FPSC Botany Past Test

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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) oomycota

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