Botany PPSC Lecturer MCQS Solved.. From Past papers for Test Preparation

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 Free BOOK https://helpnow.pk/ (i) NADH from the Krebs cycle is approximately equal to:

(a) 2 ATP 

(b) 3 ATP

(c) 4 ATP

(d) 6 ATP 

(e) None of these

(ii) In mitochondrial electron transport chains, the final c acceptor is:

(a) H2O 

(b) H2O2 

(c) NAD+

(d) FAD 

(e) None of these

(iii) The movement of water from cell to cell via plasmadesmata is called:

(a) Symplastic 

(b) Transmembrane 

(c) Apoplastic

(d) Facilitated 

(e) None of these

(iv) In maize plant, the CO2 fixation mechanism is called:

(a) C3 pathway 

(b) C4 pathway 

(c) CAM pathway

(d) C3 – C4 intermediate 

(e) None of these

(v) Salt-loving plants are known as:

(a) Glycophytes 

(b) Halophytes 

(c) Xerophytes

(d) Mesophytes 

(e) None of these

(vi) With the addition of solution to a liquid system, the water potential of the system:

(a) Increases 

(b) Decreases 

(c) Remains stable

(d) Remains variable 

(e) None of these

(vii) The conversion of pyruvate into acetyl C0. A is called:

(a) Glycolysis 

(b) Fermentation 

(c) Oxidative carboxylation

(d) B-Oxidation 

(e) None of these

(viii) Between adenine and thymine, there are:

(a) Two hydrogen bonds

(b) 3 hydrogen bonds 

(c) One hydrogen bond

(d) 4 hydrogen bonds 

(e) None of these

(ix) The stage of meiosis in which pairing of homologous chromosomes starts is called:

(a) Leptotene 

(b) Zygotene 

(c) Diplotene

(d) Pachytene 

(e) None of these

(x) The site of chromosome on which a gene is located is called:

(a) Allele 

(b) Locus 

(c) Site

(d) Trait 

(e) None of these

(xi) In a dihybrid cross, the ratio of F2 generation is:

(a) 9:3:3:1 

(b) 3:1 

(c) 1:2:1

(d) 1:1 

(e) None of these

(xii) When a single gene has multiple effects, the phenomenon is called:

(a) Codominance 

(b) Epistasis 

(c) Pleiotropy

(d) Genostasis 

(e) None of these

(xiii) Lamarck’s theory of evolution was published in:

(a) 1807 

(b) 1808 

(c) 1809

(d) 1810 

(e) None of these

(xiv) The book “Origin of Species” was written by:

(a) Linnaeus 

(b) Lamarck 

(c) Mendel

(d) Darwin 

(e) None of these

(xv) The interaction between algae and fungi to form lichen is called:

(a) Parasitism 

(b) Mutalism 

(c) Commensalism

(d) Amensalism 

(e) None of these

(xvi) The actual location or place where an organism lives is called:

(a) Habitat 

(b) Ecosystem 

(c) Niche

(d) Biome 

(e) None of these

(xvii) Which of the biomes has been increased in area by human activities?

(a) Savanna 

(b) Grassland 

(c) Desert

(d) Coniferous forest 

(e) None of these

(xviii) Which zone of the lake ecosystem consists of phyto-and zoo-planktons?

(a) Littoral zone 

(b) Limnetic zone 

(c) Profundal zone

(d) Water deep layers 

(e) None of these

(xix) Which of the following is a biotic component of an ecosystem?

(a) Producers 

(b) Consumers 

(c) Decomposers

(d) All of these 

(e) None of these

(xx) A sequence of changes in the community structure of an ecosystem over a period of time is called:

(a) Natural selection 

(b) Succession 

(c) Neo-Darwinism

(d) Lamarckism 

1. Algae have cell wall made up of

(A) pectins, cellulose and proteins

(B) cellulose, hemicellulose and pectins

(C) chitin

(D) cellulose, galactans and mannans

2. Which spore is on a club and results from the fusion of two nuclei from different strains of the same fungi?
(A) blastospore
(B) ascospore
(C) basidiospore
(D) conidiospore

3. Which algal division is divided up into three main groups consisting of the golden-brown algae, the yellow-green algae and the diatoms?
(A) chlorophyta
(B) chrysophyta
(C) phaeophyta
(D) pyyrophyta

4. In Funaria stomata are found on
(A) theca
(B) leaf
(C) apophysis
(D) stem

5. After forest fire which plants are the first to appear
(A) ferns
(B) bryophytes
(C) grass
(D) all of these

6. All of the following cellular structures are functionally important in cells of the gametophytes of both angiosperms and gymnosperms, except
(A) haploid nuclei
(B) mitochondria
(C) cell wall
(D) chloroplast

7. Cell elongation in the internodal region of green plants takes place due to
(A) ethylene
(B) cytokinins
(C) gibberellins
(D) indole acetic acid

8. Synecology deals with
(A) ecology of many species
(B) ecology of many populations
(C) ecology of community
(D) none of the above

9. Semiautonomous organelle in the cell is
(A) chloroplast
(B) vacuole
(C) peroxisomes
(D) endoplasmic reticulum

10. Which of the following statements are true regarding ‘law of segregation’
(A) alleles separate with each other during gametogenesis
(B) the segregation of factors is due to the segregation of chromosomes during meiosis
(C) law of segregation is called as law of purity of gametes
(D) all of the abov

ANSWERS: FPSC BOTANY SAMPLE QUESTIONS
1(D) 2(C) 3(B) 4(C) 5(A)
6(D) 7(C) 8(C) 9(A) 10(D

11. All algae possess
(A) nuclei
(B) chloroplasts
(C) both a and b
(D) none of these

12. The lower Bryophytes are usually termed as
(A) mosses
(B) liverworts
(C) sporophytes
(D) ferns

13. Which fern yields antihelminthic drug
(A) adiantum
(B) pteris
(C) salvinia
(D) dryopteri

14. In addition to seeds, which of the following characteristics are unique to the seed-producing plants
(A) sporopollenin
(B) lignin present in cell walls
(C) pollen
(D) megaphylls

15. Flowering dependent on cold treatment is
(A) cryotherapy
(B) vernalization
(C) cryogenics
(D) none of these

16. The pyramid of energy in any ecosystem is
(A) always upright
(B) may be upright or invented
(C) always inverted
(D) none of these

17. Microfilaments are composed mainly of a protein called
(A) actin
(B) tubulin
(C) myosin
(D) chitin

18. Monohybrid ratio is
(A) 9:3:3:1
(B) 9:1
(C) 9:3:1
(D) 3:1

19. Homologous organs indicate the
(A) convergent evolution
(B) parallel evolution
(C) common descendent
(D) natural selection

20. Saprophytic fungi
(A) engulf their food in order to break it down
(B) secure their food from dead organic materials
(C) both (a) and (b)
(D) none of these

ANSWERS: FPSC BOTANY LECTURER TEST SAMPLE QUESTIONS
11(C) 12(B) 13(D) 14(C) 15(B)
16(A) 17(A) 18(D) 19(C) 20(B

21. Chlamydomonas and Volvox are similar because
(A) they both are motile
(B) they are members of the Chlorophyta
(C) both (a) and (b)
(D) none of these

22. Elaters of Marchantia are
(A) haploid
(B) diploid
(C) triploid
(D) polyploid

23. The number of spores produced in fern sporangium is
(A) 32
(B) 16
(C) 72
(D) 64

24. In seed plants, which part of a pollen grain has a function most like that of the seed coat
(A) sporopollenin
(B) male gametophyte
(C) sporophyll
(D) stigma

25. Rubisco content of choroplast is
(A) 20%
(B) 16%
(C) 25%
(D) 50%

26. An ecosystem must have a continuous external source of
(A) energy
(B) food
(C) minerals
(D) all of these

27. Which of the following is associated with the structure of Golgi complex
(A) cristae
(B) cisternae
(C) tonoplast
(D) none of these

28. When alleles of two contrasting characters are present together, one of the character express and the other remains hidden.This is the
(A) law of purity of gametes
(B) law of segregation
(C) law of independent assortment
(D) law of dominance

29. Coacervates were experimentally produced by
(A) Fischer and Huxley
(B) Sidney Fox and Oparin
(C) Urey and Miller
(D) Jacob and Monod

30. The amount of phagocytosis done by the Plasmodium
(A) is greater than by the water mold mycelium
(B) is lesser than by the water mold mycelium
(C) is equal to by the water mold mycelium
(D) none of the thes

ANSWERS: BOTANY LECTURER SAMPLE PAPER
21(C) 22(B) 23(D) 24(A) 25(B)
26(A) 27(B) 28(C) 29(B) 30(A

31. Which algal division never produces motile, flagellated cells among any of its members
(A) chlorophyta
(B) rhodophyta
(C) chrysophyta
(D) phaeophyta

32. During World War II which Bryophyta was used in surgical dressing
(A) sphagnum
(B) funaria
(C) pteris
(D) riccia

33. Fern plants are
(A) hydrophytes
(B) amphibious
(C) hygrophytes
(D) mesophytes

34. Which of these is most important in making the typical seed more resistant to adverse conditions than the typical spore
(A) a different type of sporopollenin
(B) an internal reservoir of liquid water
(C) integuments
(D) ability to be dispersed

35. Dichlorophenyl dimethyl urea (DCMU)
(A) inhibits oxygen evolution and non-cyclic photophosphorylation
(B) promotes oxygen evolution and non-cyclic photophosphorylation
(C) both
(D) none of these

36. Biotic potential is counteracted by
(A) competition with other organisms
(B) producer is the largest
(C) limitation of food supply
(D) none of these

37. Smooth endoplasmic reticulum is the site of
(A) protein synthesis
(B) carbohydrate synthesis
(C) amino acid synthesis
(D) lipid synthesis

38. The experimental material garden pea used by Mendel is
(A) cross fertilized crop
(B) both self and cross fertilized
(C) self fertilized crop
(D) may vary with ecotype

39. Diversification in plant life appeared
(A) due to abrupt mutations
(B) suddenly on earth
(C) by seed dispersal
(D) due to long periods of evolutionary changes

40. __________ produce basidiospores
(A) slime molds
(B) dimorphic fungi
(C) club fungi
(D) sac fungi

ANSWERS: BOTANY LECTURER SAMPLE TEST
31(B) 32(A) 33(C) 34(C) 35(A)
36(D) 37(A) 38(C) 39(D) 40(C)

41. Which is wrong in respect to bryophytes
(A) water is essential for fertilization
(B) presence of archegonia
(C) presence of ciliated sperms
(D) presence of autotrophic independent sporophyte

42. Agar, which is the solidifying agent in many bacterial culture media, is part of the cell wall of
(A) pyrrophyta
(B) chrysophyta
(C) chlorophyta
(D) rhodophyta

43. Horsetail is the common name of
(A) equisetum
(B) marchantia
(C) marselia
(D) pteris

44. The main way that pine trees disperse their offspring is by using
(A) fruits that are eaten by animals
(B) wind blown seeds
(C) squirrels to bury cones
(D) spores

45. Species that occur in different geographical regions separated by special barrier are
(A) allopatric
(B) sympatric
(C) sibling
(D) none of these

46. The main function of centrosome is
(A) secretion
(B) osmoregulation
(C) protein synthesis
(D) formation of spindle fiber

47. In DNA, the adenine normally pairs with
(A) cytosine
(B) guanine
(C) thymine
(D) uracil

48. Chemical reactions could have converted simple organic compounds into ______ for the origin of life.
(A) micromolecules
(B) macromolecules
(C) nitrogen, oxygen and other gases
(D) cells

49. Which of the following does not represent a human disease caused by fungi
(A) ring worm
(B) cryptococcosis
(C) malaria
(D) jock itch

50. Which of the following groups of algae do not have eukaryotic organization
(A) blue green algae
(B) green algae
(C) golden brown algae
(D) red alga

ANSWERS: BOTANY LECTURER SAMPLE TEST
41(D) 42(D) 43(A) 44(B) 45(A)
46(D) 47(C) 48(B) 49(C) 50(A

11. Zooxanthellae are algal symbiont that live within coral reef animals. These algae belong to
(A) chlorophyta
(B) chrysophyta
(C) pyrrophyta
(D) rhodophyta

12. In mosses the gametophyte is
(A) monoecious
(B) dioecious
(C) both a and b
(D) heterothallic

13. Cyathaea and Celeotium are the e.g. of
(A) grass
(B) tree fern
(C) walking fern
(D) none of these

14. The seed coat’s most important function is to provide
(A) desiccation resistance
(B) a nutrient supply for the embryo
(C) dormancy
(D) the means for dispersal

15. Presence of trichomes on leaves
(A) helps in rapid gaseous exchange
(B) prevents guttation
(C) increases transpiration
(D) reduces transpiration

16. Ecotype is a type of species in which environmentally induced variations are
(A) temporary
(B) genetically fixed
(C) genetically not related
(D) none of the above

17. The membrane around the vacuole
(A) tonoplast
cytoplast
sarcolemma
none of these

18. The genotypic ratio of a monohybrid cross is
(A) 3:1
(B) 1:2:1
(C) 2:1:1
(D) 9:3:3:1

19. A baby has been born with a small tail. It is the case exhibiting
(A) mutation
(B) retrogressive evolution
(C) metamorphosis
(D) atavism

20. The bread mold Rhizopus stolonifer belongs to which of the following fungal divisions
(A) deuteromycota
(B) ascomycota
(C) zygomycota
(D) oomycot

NSWERS: FPSC BOTANY PAST TEST
11(C) 12(C) 13(B) 14(A) 15(D)
16(B) 17(A) 18(B) 19(D) 20(C)

21. Algae is a nonvalid taxinomic term that refers to
(A) eukaryotic organisms that have chlorophyll a and produce O2
(B) well developed cellular structure including a conducting system
(C) both a and b
(D) none of these

22. Sterile jacket around the sex organs is found in
(A) algae
(B) fungi
(C) bryophytes
(D) lichens

23. Which of the following most closely represents the male gametophyte of seed-bearing plants
(A) ovule
(B) microspore mother cell
(C) embryo sac
(D) pollen grain interior

24. Who suggested that the opening and closing of stomata is connected with the change on pH of guard cells
(A) Von Mohl
(B) Sayre/Scarth
(C) Levitt
(D) Lyond

25. Energy flow in ecosystem is
(A) unidirectional
(B) bidirectional
(C) multidirectional
(D) none of these

26. Experiments demonstrating the importance of nucleus in controlling the growth of cell was performed in
(A) starfish
(B) acetabularia
(C) neurospora
(D) planaria

27. The recessive character will express in
(A) F1
(B) F2
(C) both a and b
(D) F3

28. One of the important consequences of geographical isolation is
(A) random creation of new species
(B) no change in the isolated fauna
(C) preventing Speciation
(D) speciation through reproductive isolation

29. The fruiting body of a mushroom is called
(A) sorocarps
(B) ascocarps
(C) basidiocarps
(D) deuterocarp

30. In a moss the sporophyte
(A) arises from a spore produced from the gametophyte
(B) produces gametes that given rise to the gametophyte
(C) is partially parasitic on the gametophyte
(D) manufactures food for itself, as well as for the gametophyt

ANSWERS: FPSC BOTANY PAST TEST PAPERS
21(A) 22(C) 23(D) 24(B) 25(A)
26(B) 27(B) 28(D) 29(C) 30(C

1. Characteristics used to place algae into divisions include all of the following except
(A) form of storage material
(B) flagella number and location
(C) accessory pigments used in photosynthesis
(D) all of these

32. Development of gametophyte from vegetative cells of a sporophyte is called
(A) apogamy
(B) apospory
(C) parthenogenesis
(D) apomixis

33. In the sporophyll of Selaginella, sporangia are born on
(A) abaxial surface
(B) lower surface
(C) adaxial surface
(D) margins

34. In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a
(A) fern gametophyte bearing only antheridia
(B) hermaphroditic fern gametophyte
(C) fern sporophyte
(D) moss sporophyte

35. The characteristic of C4 plants is
(A) first product oxaloacetic acid
(B) carboxylating enzyme is RUBISCO
(C) Krans anatomy
(D) all of these

36. Trophic levels are formed by
(A) only plants
(B) only animals
(C) only carnivores
(D) organisms linked in food chain

37. Plant cell wall mainly composed of
(A) cellulose
(B) starch
(C) protein
(D) lipid

38. Mendel emasculated garden pea plant.Emasculation is the
(A) removal of flower buds
(B) removal of anthers before dehiscence
(C) removal of carpels before dehiscence
(D) removal of mature flowers

39. What is meant by the term Darwin fitness
(A) the ability to survive and reproduce
(B) high aggressiveness
(C) healthy appearance
(D) none of these

40. Water molds belong to which division
(A) ascomycota
(B) basidiomycota
(C) deuteromycota
(D) oomycot

NSWERS: BOTANY LECTURER PAST PAPERS
31(D) 32(B) 33(C) 34(A) 35(D)
36(D) 37(A) 38(B) 39(A) 40(D

1. The algae Chlamydomonas demonstrates a complex life cycle that switches between haploid and diploid forms. This life cycle is called
(A) the sexual-asexual exchange
(B) the transposition cycle
(C) an alternation of generations
(D) algal transformation

42. The only positive evidence of aquatic ancestry of bryophyte is
(A) thread like protonema
(B) green colour
(C) some forms are still aquatic
(D) ciliated sperms

43. False indusium is found in
(A) dryopteris
(B) pteris
(C) funaria
(D) all of these

44. Gymnosperms differ from both extinct and extant ferns because they
(A) are woody
(B) have macrophylls
(C) have pollen
(D) have sporophylls

45. Indole 3-acetic acid is chemically similar to be amino acid
(A) methionine
(B) valine
(C) proline
(D) tryptophan

46. In a food chain of grassland ecosystem the top consumers are
(A) herbivores
(B) carnivores
(C) bacteria
(D) none of these

47. In higher plants the shape of chloroplast is
(A) girdle shape
(B) discoid
(C) ribbon shaped
(D) cup shaped

48. A gene showing codominance
(A) has one allele dominant to the other
(B) has both alleles independently expressed in the heterozygote
(C) has alleles tightly linked on the same chromosome
(D) has alleles expressed at the same time in development

49. De Vries gave his mutation theory on organic evolution while working on
(A) Oenothera lamarckiana
(B) Drosophila melanogaster
(C) Pisum sativum
(D) Althea rosea

50. Which of these spores are characteristic of the black bread mold Rhizopus
(A) ascospore and zygospore
(B) arthrospore and blastospore
(C) sporangiospore and zygospore
(D) arthrospore and ascospore

ANSWERS: BOTANY LECTURER TEST PAST PAPERS
41(C) 42(D) 43(B) 44(C) 45(D)
46(A) 47(B) 48(B) 49(A) 50(C

1. Bioluminescence is a phenomenon associated with
(A) pyrrophyta
(B) chlorophyta
(C) chrysophyta
(D) phaeophyta

2. Antheridia of Funaria are
(A) rounded
(B) cylindrical
(C) club shaped
(D) oval

3. Which of the following is called Walking Fern?
(A) dryopteris
(B) adiantum
(C) aspidium
(D) pteris

4. Which of the following is an ongoing trend in the evolution of land plants
(A) decrease in the size of the leaf
(B) elimination of sperm cells or sperm nuclei
(C) replacement of roots by rhizoids
(D) reduction of the gametophyte phase of the life cycle

5. What causes a green plant to bend towards light as it grows
(A) because green plants are phototropic
(B) light stimulates plant cells on the lighted side to grow faster
(C) auxins accumulates on shaded side resulting greater cell elongation
(D) naturally plant grows towards light

6. Autoecology deals with
(A) ecology of species
(B) ecology of many species
(C) ecology of community
(D) all of these

7. Which one is the non-membranous organelle
(A) endoplasmic reticulum
(B) ribosome
(C) chloroplast
(D) nucleus

8. The crossing of F1 to any one of the parents is called
(A) test cross
(B) F1 cross
(C) back cross
(D) none of these

9. The tendency of population to remain in genetic equilibrium may be disturbed by
(A) random mating
(B) lack of random mating
(C) lack of mutations
(D) lack of migration

10. Which spore is on a club and results from the fusion of two nuclei from different strains of the same fungi
(A) conidiospore
(B) blastospore
(C) ascospore
(D) basidiospor

NSWERS: FPSC BOTANY PAST PAPERS
1(A) 2(C) 3(B) 4(D) 5(C)
6(A) 7(B) 8(C) 9(B) 10(D

(1) The spores in bryophytic plant represent the first cell of the:
(a) Gametophytic generation
(b) Sporophytic generation
(c) Asexual generation
(d) All of these
(e) None of these
(2) Algal members of classes Euglenophyceae and chlorophyceae are similar in the:
(a) Cell wall structure
(b) Reserve food
(c) Pigment composition
(d) Structure of flagella
(e) None of these
(3) Crystocarp is a structure developed after fertilization in:
(a) Blue green algae
(b) Actinomycetes
(c) Bryophetes
(d) Red algae
(e) None of these
(4) Rice belongs to family:
(a) Malvaceae
(b) Fabiaceae
(c) Solonaceae
(d) Poaceae
(e) None of these
(5) Gametophyte of fern is called:
(a) Prothallus
(b) Protocorm
(c) Thallus
(d) Gametangia
(e) None of these
(6) The sieve elements are major component of:
(a) Cambium
(b) Apical meristem
(c) Xylem
(d) Phloem
(e) None of these
(7) Which one of these is a parasite:
(a) Sunflower
(b) Begonia
(c) Biden
(d) Brasica
(e) None of these
(8) Sporophytic generation is borne upon gametophyte and is dependent on it. This feature is present in:
(a) Cycas
(b) Adiantam
(c) Equisetum
(d) All of these
(e) None of these
(9) Double fertilization is a typical characteristic of:
(a) Algae
(b) Fungi
(c) Bryophytes
(d) Angiosperm
(e) All of these
(10) Marchantia reproduces vegetatively by:
(a) Apospory
(b) Gemma Cup
(c) Budding
(d) All of these
(e) None of these
(11) Plant cell wall is composed of:
(a) Cellulose
(b) Polypeptides
(c) Phospholipids
(d) Starch
(e) None of these
(12) Stele in which primary vascular tissues are arranged in discrete strands around a pit is called:
(a) Prostele
(b) Radial stele
(c) Centric stele
(d) Eustele
(e) None of these
(13) In which the following edible part is obtained from the Rhizome:
(a) Potato
(b) Ginger
(c) Sugar beet
(d) Onion
(e) None of these
(14) Fertilization within an unopened flower is called:
(a) Cleistogramy
(b) Cleistocary
(c) Isogamy
(d) Oogamy
(e) None of these
(15) Meiosis takes place during:
(a) Gamete formation
(b) Zygote formation
(c) Cambium formation
(d) All of these
(e) None of these
(16) Edible fungus is:
(a) Penicillium
(b) Agaricus
(c) Aspergillus
(d) Phythium
(e) None of these
(17) Speciation is:
(a) Origin of species
(b) Evolution of species
(c) Identification of species
(d) Preservation of species
(e) None of these
(18) Collective name given to sporangia in fern is:
(a) Sorus
(b) Sporangium
(c) Spathe
(d) Sporangiophore
(e) None of these
(19) Small, spherical protein bodies surrounded by starch deposits in chloroplasts of many algae are:
(a) Lecoplasts
(b) Ribosomes
(c) Microsomes
(d) Pyenidium
(e) None of these
(20) Heterocysts are present in:
(a) Volvox
(b) Clostridium
(c) Cycas
(d) E-Coli
(e) None of these
(21) Enzyme Fumarase convert fumaric acid into:
(a) Citric acid
(b) Isocitric acid
(c) lactic acid
(d) Glutamic acid
(e) None of these
(22) Plants growing under saline conditions are:
(a) Holophytes
(b) Mesophytes
(c) Hygrophytes
(d) Halophytes
(e) None of these
(23) The first product of CO2 fixation in C3 plants is:
(a) Phosphoglyceric acid
(b) Glycolic acid
(c) Citric acid
(d) Glutamic acid
(e) None of these
(24) Mutations are most likely to be caused by:
(a) 1AA
(b) CO2
(c) Dextrose
(d) Glycine
(e) None of these
(25) Most of the water absorption in plants takes place through:
(a) Root caps
(b) Root hairs
(c) Stomata
(d) All of these
(e) None of these
(26) Oxygen produced during photosynthesis comes from:
(a) CO2
(b) Carboxylic acid
(c) Glucose
(d) Protein
(e) None of these
(27) Chloroplasts in bundle sheath cells of C4 plants do not contain:
(a) Grana
(b) Stroma
(c) Thylakoids
(d) All of these
(e) None of these
(28) A group of major biotic communities occupying a climatic region of earth is called:
(a) Biome
(b) Biosphere
(c) Biotype
(d) Phenotype
(e) None of these
(29) In which group of plants stomata open during night:
(a) C3 plants
(b) C4 plants
(c) Halophytes
(d) CAM plants
(e) None of these
(30) The occurrence of vegetation in layers is known as:
(a) Scarification
(b) Stratification
(c) Physiognomy
(d) Pattern
(e) None of these
(31) A plasmid is a:
(a) DNA
(b) RAN
(c) Protein
(d) Microsome
(e) None of these
(32) The total Genetic material within a cell is:
(a) Gene bank
(b) Genetic load
(c) Genome
(d) Genetic Marker
(e) None of these
(33) Ribsomal RNA helps in:
(a) Replication
(b) Transcription
(c) Translation
(d) Translocation
(e) None of these
(34) Which one of the following ions plays most important role in stomatal movement?
(a) K+
(b) Ca++ (c) Cl–
(d) Na+
(e) None of these
(35) Dormancy in seeds may be due to:
(a) Hard seed coat
(b) Chemical Inhibitors
(c) Immature embryo
(d) All of these
(e) None of these
(36) How many ATP molecules are produced when one hexose sugar molecule is converted into two molecules of pyruvic acid during glycolysis?
(a) 15
(b) 26
(c) 28
(d) 36
(e) None of these
(37) Open sea constituting about 90% of total ocean surface is called:
(a) Pelgaic zone
(b) Littoral zone
(c) Intertida zone
(d) Neritic zone
(e) None of these
(38) Which one of the following RNAs is non-genetic and brings amino acids to the site of protein synthesis?
(a) m RNA
(b) t RNA
(c) hn RNA
(d) pre-r RNA
(e) None of these
(39) Transfer of material , from higher concentration to lower concentration across semipermeable membrane is called:
(a) Mass flow
(b) Osmosis
(c) Ascent of Sap
(d) Diffusion
(e) None of these
(40) Optimum phosphorus uptake by roots takes place at:
(a) Neutral pH
(b) Acidic pH
(c) Alkaline pH
(d) All of these
(e) None of these
(41) The Green Algae belongs to:
(a) Cyanochloranta
(b) Chlorophycophyta
(c) Charophyta
(d) Cryptophycophyta
(e) None of these
(42) If the gametes and gametangia in Fungi are of unequal size, they are termed as:
(a) Heterothallic
(b) Homothallic
(c) Isogametes
(d) Anisogametes
(e) None of these
(43) Chlorophyll ‘d’ exists in:
(a) Pyrrophyta
(b) Phaeophyta
(c) Cryptophyta
(d) Rhodophyta
(e) None of these
(44) Which of the type of chlorophyll is rare in Xanthophyceae and has been determined in only two of its genera:
(a) chlorophyll ‘a’
(b) chlorophyll ‘e’
(c) chlorophyll ‘b’
(d) chlorophyll ‘d’
(e) None of these
(45) The Axoneme in an algal filament is composed of ____________ fibrils:
(a) five
(b) seven
(c) eleven
(d) one
(e) None of these
(46) An antibiotic called “Chlorellin” is derived from:
(a) Chara
(b) Spirogyra
(c) Volvox
(d) Chlorella
(e) None of these
(47) In Pakistan, Volvox is found abundantly in water ponds during the months of:
(a) March and April
(b) May and June
(c) November and December
(d) January and February
(e) None of these
(48) B
ecause of extracting ______ from water and depositing it in their walls different species of Chara are referred to as “Stone Worts:
(a) Sodium chloride
(b) Calcium carbonate
(c) Potassium sulphate
(d) Potassium nitrate
(e) None of these
(49) Puccinia graminis causes _______ in wheat:
(a) Yellow or stripe rust
(b) Brown or orange leaf rust
(c) Black or stem rust
(d) Loose green smut
(e) None of these
(50) The zero and one stages of Puccinia graminis are produced on:
(a) Triticum aestivum
(b) Hordeum Vulgare
(c) Sorghum Vulgare
(d) Barberis Vulgaris
(e) None of these

-tiny plants with silicon cells are:
diatoms
-withania somnifera belongs to the family:
solanaceae
-the 1st root of seed plant develops from the radical is called:
tap root
-mycorrhiza is the symbiotic association between:
algae & fungi
-new ulva plant after undergoing meiosis produces —zoospores:
4-flagellated
-alternation of generation in moss is:
heteromorphic
-most primitive family is:
magnoliaceae
-laminaria is the example of:
brown algae
-the chief component of cell wall in fungi is:
chitin
-formation of fruit without fertilization:
parthenocarpy
-national flower of pakistanis:
jasminum
-zygomycetes have their common name:
conjugating fungi
-filament of algae are composed either of distinct cell:
heterocytes
-the bryophytes are also called:
amphibians
-the 1st plant which develop true leaves & roots are:
lycopsids(not sure)
-an ivule is:
fertilized seed
-an angiosperm the female gametophyte contain:
1-several cells
-sporophyte of bryophyte is called as:
prothallus
-one of the example of crustose lichen is:
(nonone of theset sure)
-the scientific name of bringal is:
solanum melanogena

The spores in bryophytic plant represent the first cell of the:
(a) Gametophytic generation 
(b) Sporophytic generation 
(c) Asexual generation
(d) All of these 
(e) None of these

(ii) Algal members of classes Euglenophyceae and chlorophyceae are similar in the:
(a) Cell wall structure 
(b) Reserve food 
(c) Pigment composition
(d) Structure of flagella 
(e) None of these

(iii) Crystocarp is a structure developed after fertilization in:
(a) Blue green algae 
(b) Actinomycetes 
(c) Bryophetes
(d) Red algae 
(e) None of these

(iv) Rice belongs to family:
(a) Malvaceae 
(b) Fabiaceae 
(c) Solonaceae
(d) Poaceae 
(e) None of these

(v) Gametophyte of fern is called:
(a) Prothallus 
(b) Protocorm 
(c) Thallus
(d) Gametangia 
(e) None of these

(vi) The sieve elements are major component of:
(a) Cambium 
(b) Apical meristem 
(c) Xylem
(d) Phloem 
(e) None of these

(vii) Which one of these is a parasite:
(a) Sunflower 
(b) Begonia 
(c) Biden
(d) Brasica 
(e) None of these

(viii) Sporophytic generation is borne upon gametophyte and is dependent on it. This feature is present in:
(a) Cycas 
(b) Adiantam 
(c) Equisetum
(d) All of these 
(e) None of these

(ix) Double fertilization is a typical characteristic of:
(a) Algae 
(b) Fungi 
(c) Bryophytes
(d) Angiosperm 
(e) All of these

(x) Marchantia reproduces vegetatively by:
(a) Apospory 
(b) Gemma Cup 
(c) Budding
(d) All of these 
(e) None of these

(xi) Plant cell wall is composed of:
(a) Cellulose 
(b) Polypeptides 
(c) Phospholipids
(d) Starch 
(e) None of these

(xii) Stele in which primary vascular tissues are arranged in discrete strands around a pit is called:
(a) Prostele 
(b) Radial stele 
(c) Centric stele
(d) Eustele 
(e) None of these

(xiii) In which the following edible part is obtained from the Rhizome:
(a) Potato 
(b) Ginger 
(c) Sugar beet
(d) Onion 
(e) None of these

(xiv) Fertilization within an unopened flower is called:
(a) Cleistogramy 
(b) Cleistocary 
(c) Isogamy
(d) Oogamy 
(e) None of these

(xv) Meiosis takes place during:
(a) Gamete formation 
(b) Zygote formation 
(c) Cambium formation
(d) All of these 
(e) None of these

(xvi) Edible fungus is:
(a) Penicillium 
(b) Agaricus 
(c) Aspergillus
(d) Phythium 
(e) None of these

(xvii) Speciation is:
(a) Origin of species 
(b) Evolution of species 
(c) Identification of species
(d) Preservation of species 
(e) None of these

(xviii) Collective name given to sporangia in fern is:
(a) Sorus 
(b) Sporangium 
(c) Spathe
(d) Sporangiophore 
(e) None of these

(xix) Small, spherical protein bodies surrounded by starch deposits in chloroplasts of many algae are:
(a) Lecoplasts 
(b) Ribosomes 
(c) Microsomes
(d) Pyenidium 
(e) None of these

(xx) Heterocysts are present in:
(a) Volvox 
(b) Clostridium 
(c) Cycas
(d) E-Coli 
(e) None of these

(1) The spores in bryophytic plant represent the first cell of the:
(a) Gametophytic generation
(b) Sporophytic generation
(c) Asexual generation
(d) All of these
(e) None of these
(2) Algal members of classes Euglenophyceae and chlorophyceae are similar in the:
(a) Cell wall structure
(b) Reserve food
(c) Pigment composition
(d) Structure of flagella
(e) None of these
(3) Crystocarp is a structure developed after fertilization in:
(a) Blue green algae
(b) Actinomycetes
(c) Bryophetes
(d) Red algae
(e) None of these
(4) Rice belongs to family:
(a) Malvaceae
(b) Fabiaceae
(c) Solonaceae
(d) Poaceae
(e) None of these
(5) Gametophyte of fern is called:
(a) Prothallus
(b) Protocorm
(c) Thallus
(d) Gametangia
(e) None of these
(6) The sieve elements are major component of:
(a) Cambium
(b) Apical meristem
(c) Xylem
(d) Phloem
(e) None of these
(7) Which one of these is a parasite:
(a) Sunflower
(b) Begonia
(c) Biden
(d) Brasica
(e) None of these
(8) Sporophytic generation is borne upon gametophyte and is dependent on it. This feature is present in:
(a) Cycas
(b) Adiantam
(c) Equisetum
(d) All of these
(e) None of these
(9) Double fertilization is a typical characteristic of:
(a) Algae
(b) Fungi
(c) Bryophytes
(d) Angiosperm
(e) All of these
(10) Marchantia reproduces vegetatively by:
(a) Apospory
(b) Gemma Cup
(c) Budding
(d) All of these
(e) None of these
(11) Plant cell wall is composed of:
(a) Cellulose
(b) Polypeptides
(c) Phospholipids
(d) Starch
(e) None of these
(12) Stele in which primary vascular tissues are arranged in discrete strands around a pit is called:
(a) Prostele
(b) Radial stele
(c) Centric stele
(d) Eustele
(e) None of these
(13) In which the following edible part is obtained from the Rhizome:
(a) Potato
(b) Ginger
(c) Sugar beet
(d) Onion
(e) None of these
(14) Fertilization within an unopened flower is called:
(a) Cleistogramy
(b) Cleistocary
(c) Isogamy
(d) Oogamy
(e) None of these
(15) Meiosis takes place during:
(a) Gamete formation
(b) Zygote formation
(c) Cambium formation
(d) All of these
(e) None of these
(16) Edible fungus is:
(a) Penicillium
(b) Agaricus
(c) Aspergillus
(d) Phythium
(e) None of these
(17) Speciation is:
(a) Origin of species
(b) Evolution of species
(c) Identification of species
(d) Preservation of species
(e) None of these
(18) Collective name given to sporangia in fern is:
(a) Sorus
(b) Sporangium
(c) Spathe
(d) Sporangiophore
(e) None of these
(19) Small, spherical protein bodies surrounded by starch deposits in chloroplasts of many algae are:
(a) Lecoplasts
(b) Ribosomes
(c) Microsomes
(d) Pyenidium
(e) None of these
(20) Heterocysts are present in:
(a) Volvox
(b) Clostridium
(c) Cycas
(d) E-Coli
(e) None of these
(21) Enzyme Fumarase convert fumaric acid into:
(a) Citric acid
(b) Isocitric acid
(c) lactic acid
(d) Glutamic acid
(e) None of these
(22) Plants growing under saline conditions are:
(a) Holophytes
(b) Mesophytes
(c) Hygrophytes
(d) Halophytes
(e) None of these
(23) The first product of CO2 fixation in C3 plants is:
(a) Phosphoglyceric acid
(b) Glycolic acid
(c) Citric acid
(d) Glutamic acid
(e) None of these
(24) Mutations are most likely to be caused by:
(a) 1AA
(b) CO2
(c) Dextrose
(d) Glycine
(e) None of these
(25) Most of the water absorption in plants takes place through:
(a) Root caps
(b) Root hairs
(c) Stomata
(d) All of these
(e) None of these
(26) Oxygen produced during photosynthesis comes from:
(a) CO2
(b) Carboxylic acid
(c) Glucose
(d) Protein
(e) None of these
(27) Chloroplasts in bundle sheath cells of C4 plants do not contain:
(a) Grana
(b) Stroma
(c) Thylakoids
(d) All of these
(e) None of these
(28) A group of major biotic communities occupying a climatic region of earth is called:
(a) Biome
(b) Biosphere
(c) Biotype
(d) Phenotype
(e) None of these
(29) In which group of plants stomata open during night:
(a) C3 plants
(b) C4 plants
(c) Halophytes
(d) CAM plants
(e) None of these
(30) The occurrence of vegetation in layers is known as:
(a) Scarification
(b) Stratification
(c) Physiognomy
(d) Pattern
(e) None of these
(31) A plasmid is a:
(a) DNA
(b) RAN
(c) Protein
(d) Microsome
(e) None of these
(32) The total Genetic material within a cell is:
(a) Gene bank
(b) Genetic load
(c) Genome
(d) Genetic Marker
(e) None of these
(33) Ribsomal RNA helps in:
(a) Replication
(b) Transcription
(c) Translation
(d) Translocation
(e) None of these
(34) Which one of the following ions plays most important role in stomatal movement?
(a) K+
(b) Ca++ (c) Cl–
(d) Na+
(e) None of these
(35) Dormancy in seeds may be due to:
(a) Hard seed coat
(b) Chemical Inhibitors
(c) Immature embryo
(d) All of these
(e) None of these
(36) How many ATP molecules are produced when one hexose sugar molecule is converted into two molecules of pyruvic acid during glycolysis?
(a) 15
(b) 26
(c) 28
(d) 36
(e) None of these
(37) Open sea constituting about 90% of total ocean surface is called:
(a) Pelgaic zone
(b) Littoral zone
(c) Intertida zone
(d) Neritic zone
(e) None of these
(38) Which one of the following RNAs is non-genetic and brings amino acids to the site of protein synthesis?
(a) m RNA
(b) t RNA
(c) hn RNA
(d) pre-r RNA
(e) None of these
(39) Transfer of material , from higher concentration to lower concentration across semipermeable membrane is called:
(a) Mass flow
(b) Osmosis
(c) Ascent of Sap
(d) Diffusion
(e) None of these
(40) Optimum phosphorus uptake by roots takes place at:
(a) Neutral pH
(b) Acidic pH
(c) Alkaline pH
(d) All of these
(e) None of these
(41) The Green Algae belongs to:
(a) Cyanochloranta
(b) Chlorophycophyta
(c) Charophyta
(d) Cryptophycophyta
(e) None of these
(42) If the gametes and gametangia in Fungi are of unequal size, they are termed as:
(a) Heterothallic
(b) Homothallic
(c) Isogametes
(d) Anisogametes
(e) None of these
(43) Chlorophyll ‘d’ exists in:
(a) Pyrrophyta
(b) Phaeophyta
(c) Cryptophyta
(d) Rhodophyta
(e) None of these
(44) Which of the type of chlorophyll is rare in Xanthophyceae and has been determined in only two of its genera:
(a) chlorophyll ‘a’
(b) chlorophyll ‘e’
(c) chlorophyll ‘b’
(d) chlorophyll ‘d’
(e) None of these
(45) The Axoneme in an algal filament is composed of ____________ fibrils:
(a) five
(b) seven
(c) eleven
(d) one
(e) None of these
(46) An antibiotic called “Chlorellin” is derived from:
(a) Chara
(b) Spirogyra
(c) Volvox
(d) Chlorella
(e) None of these
(47) In Pakistan, Volvox is found abundantly in water ponds during the months of:
(a) March and April
(b) May and June
(c) November and December
(d) January and February
(e) None of these
(48) B
ecause of extracting ______ from water and depositing it in their walls different species of Chara are referred to as “Stone Worts:
(a) Sodium chloride
(b) Calcium carbonate
(c) Potassium sulphate
(d) Potassium nitrate
(e) None of these
(49) Puccinia graminis causes _______ in wheat:
(a) Yellow or stripe rust
(b) Brown or orange leaf rust
(c) Black or stem rust
(d) Loose green smut
(e) None of these
(50) The zero and one stages of Puccinia graminis are produced on:
(a) Triticum aestivum
(b) Hordeum Vulgare
(c) Sorghum Vulgare
(d) Barberis Vulgaris
(e) None of these

1. Bioluminescence is a phenomenon associated with
(A) pyrrophyta
(B) chlorophyta
(C) chrysophyta
(D) phaeophyta

2. Antheridia of Funaria are
(A) rounded
(B) cylindrical
(C) club shaped
(D) oval

3. Which of the following is called Walking Fern?
(A) dryopteris
(B) adiantum
(C) aspidium
(D) pteris

4. Which of the following is an ongoing trend in the evolution of land plants
(A) decrease in the size of the leaf
(B) elimination of sperm cells or sperm nuclei
(C) replacement of roots by rhizoids
(D) reduction of the gametophyte phase of the life cycle

5. What causes a green plant to bend towards light as it grows
(A) because green plants are phototropic
(B) light stimulates plant cells on the lighted side to grow faster
(C) auxins accumulates on shaded side resulting greater cell elongation
(D) naturally plant grows towards light

6. Autoecology deals with
(A) ecology of species
(B) ecology of many species
(C) ecology of community
(D) all of these

7. Which one is the non-membranous organelle
(A) endoplasmic reticulum
(B) ribosome
(C) chloroplast
(D) nucleus

8. The crossing of F1 to any one of the parents is called
(A) test cross
(B) F1 cross
(C) back cross
(D) none of these

9. The tendency of population to remain in genetic equilibrium may be disturbed by
(A) random mating
(B) lack of random mating
(C) lack of mutations
(D) lack of migration

10. Which spore is on a club and results from the fusion of two nuclei from different strains of the same fungi
(A) conidiospore
(B) blastospore
(C) ascospore
(D) basidiospore