PMT Sample questions

PMT Sample questions
PMT Sample Paper:Botany
Free Pmt Online Practice Test
1. Green-house gases include:
(a) CO2, CFC, CH4 and NO2
(b) CO2, O2, N2, NO2 and NH3
(c) CH4, N2, CO2 and NH3
(d) CFC, CO2, NH3 and N2
Ans. (a)

2. Best source of renewable energy is:
(a) cattle
(b) petroleum
(c) coal
(d) trees
Ans.(d)

3. Histone protein synthesis occurs during:
(a) G1-phase
(b) G2-phase
d) S-phase
(d) Prophase
Ans. (c)

4. Multicellular fragment of a blue-green alga capable of growth into new plant is:
(a) hormocyst
(b) trichome
(c) trichogyne
(d) hormogonium
Ans. (d)


5. Karyokinesis differs from cytokinesis as it involves division of:
(a) cytoplasm
(b) nucleus
(c) both (a) and (b)
(d) cell
Ans. (b)

6. Which of the following cannot be grown on artificial culture medium?
(a) Escherichia coil
(b) TMV
(c) Aspergillus
(d) Yeast
Ans. (b)

7. Common features between lenticels and hydathodes are:
(a) allow exchange of gases
(b) always remain closed
(c) there is no regulation of their opening and closing
(d) they occur on the same organ of the plant
Ans. (c)

8. Which one of the following is a saprophytic bryophyte?
(a) Riccia fluitans
(b) Buxbaunia aphylla
(c) Funaria hygrometrica
(d) Sphagnum
Ans.(b)

9. The waxy substance associated with the walls of cork or the wall of cork cells are mostly impregnated with:
(a) cutin
(b) suberin
(c) lignin
(d) hemicellulose
Ans. (b)

10. Coenocytic mycelium occurs in:
(a) deuteromycetes
(b) ascomycetes
(c) phycomycetes
(d) basidiomycetes
Ans. (c)

11. Lignin occurs in the cell wall of:
(a) phloem
(b) cork
(c) woody tissue/xylem cells
(d) parenchyma/epidermal cells
Ans. (c)

12. External water is not required for fertilization in:
(a) fern/Selaginella
(b) moss/Riccia
(c) Ulothrix
(d) gymnosperms/maize
Ans. (d)

13. Night jasmine, the shrub that emits fragrance during night is:
(a) Cestrum nocturnum
(b) Solanum surattense
(C) Brunfelsia hopaena
(d) Datura strainonium
Ans. (a)
14. Which one has maximum biomass?
(a) Pond ecosystem
(b) Lake ecosystem
(c) Grassland ecosystem
(d) Forest ecosystem
Ans. (d)

15. Pulses are obtained from:
(a) Fabaceae
(b) Asteraceae
(c) Poaceae
(d) Solaneceae
Ans. (a)

16. The wing of Pinus seed is derived from:
(a) testa
(b) testa and tegman
(c) surface of ovuliferous scales
(d) all of the above
Ans.(c)

17. Enzyme used in joining DNA fragments is:
(a) DNA ligase
(b) DNA polymerase
(c) DNA gyrase
(d) Topoisomerase
Ans. (a)

18. Amount of water a soil can hold against pull of gravity is called:
(a) field capacity
(b) gravitational water
(c) storage water
(d) hygroscopic water
Ans.(a)

19. The leaves develop from:
(a) nodes
(b) intemodes
(c) epidermis
(d) endodermis
Ans. (a)

20. Ochreate stipules occur in the family:
(a) Cruciferae
(b) Solanaceae
(c) Compositae
(d) Polygonaceae
Ans. (d)

21. Double fertilization and triple fusion were discovered by:
(a) Hofmeister
(b) Nawaschin and Guignard
(c) Leeuwenhoek
(d) Strasburger
Ans.(b)

22. Hexaploid or modem wheat developed through:
(a) hybridomas
(b) chromosome doubling
(c) hybridization
(d) hybridization and chromosome doubling
Ans.(d)

23. Pneumatophores are useful in:
(a) respiration
(b) transpiration
(c) guttation
(d) protein synthesis
Ans. (a)

24. Lever mechanism or turn-pipe mechanism of pollination is found in:
(a) Antirrhinum
(b) Ficus
(c) Wheat
(d) Salvia
Ans.(d)

25. Mendel did not propose:
(a) dominence
(b) incomplete dominence
(c) segregation
(d) independent assortment
Ans.(b)