Friday, March 15, 2013

In which of following, diameter of stock is larger than scion


1. Agamospermy produces new plant through the formation of
(A) gamete
(B) Bulbil
(C) Bud
(D) Asexual embryo
Answer: (D)

2. Agamospermy includes
(A) Non recurrent apomixis
(B) Recurrent apomixis
(C) Adventive polyembryony
(D) All the above
Answer: (D)

3. Asexual reproduction includes
(A) Amphimixis
(B) Vegetative reproduction
(C) Agamospermy
(D) Both (B) and (C)
Answer: (D)

4. Plants identical to mother plant can be obtained through
(A) Stem cutting
(B) Seed
(C) Leaf cutting
(D) Both A and C
Answer: (D)

5. Population of genetically similar plants obtained from same invidual by vegatative method
(A) Propagule
(B) Bud
(C) Clone
(D) Callus
Answer: (C)

6. Ramet is
(A) Population of genetically similar plant
(B) Individual of clone
(C) Callus
(D) Clone
Answer: (B)

7. Which root will form a new plant?
(A) Azadiracita
(B) Dahila
(C) Ipomea
(D) Both (B) and (C)
Answer: (D)

8. The sub-aerial modification of stem for vegetative reproduction is
(A) Tuber
(B) Rhizome
(C) Bulb
(D) Runner
Answer: (D)

9. Buds develops in Bryophyllum daigremonthianum
(A) From marginal notches when leaf falls on ground
(B) From marginal notches while attached to plant
(C) From marginal notches of leaves
(D) From the place of injury
Answer: (B)

10. Which of the following is root promoting harmone?
(A) Ethylene
(B) Auxins
(C) Abscisic acid
(D) None of these
Answer: (B)

11. Stem cuttings are treated wih IAA or NAA to promote
(A) Development of buds
(B) Formation of root
(C) Formation of shoot
(D) Both (B) and (C)
Answer: (B)

12. The technique of joining together parts of two plants to form one composite plant is
(A) Budding
(B) Cutting
(C) Crafting
(D) Sowing
Answer: (C)

13. Grafting can be used only in plants having
(A) Soft system
(B) Hard tissue
(C) Buds
(D) Cambium
Answer: (D)

14. In grafting scion forms
(A) Root system
(B) Shoot system
(C) Hybrid plant
(D) New plant
Answer: (B)

15. Scion is
(A) Graft of shoot
(B) Graft of root
(C) A bud
(D) Clone
Answer: (A)

16. In which of following, diameter of stock is larger than scion
(A) Side grafting
(B) Tongue grafting
(C) Wedge grafting
(D) Crown grafting
Answer: (D)

17. More than one scion are grafted on single stock, the grafting is
(A) Crown grafting
(B) Wedge grafting
(C) Layering
(D) Bud grafting
Answer: (A)

18. Special type of grafting, in which scion unite with the stock while still attached to parent plant
(A) Approach grafting
(B) Wedge grafting
(C) Side grafting
(D) Tongue grafting
Answer: (A)

19. Grafting technique is successful between two plants having
(A) Viable seed
(B) Parenchymatous tissue
(C) Active buds
(D) Active vascular cambium
Answer: (D)

20. Sweet potato and potato are similar to each other in having
(A) Nature of stem
(B) Storage food
(C) Origin of root
(D) Modified part
Answer: (B)

21. Microsporangial initial of an anther is
(A) Archesporium
(B) Endosporium
(C) Tapetal cell
(D) Epifermis
Answer: (A)

22. Microsporogenesis occurs
(A) In ovary
(B) In ovule
(C) In anther
(D) In pollen grain
Answer: (C)

23. Pollen grain representes
(A) Male gametophyte
(B) Partly developed male gametophyte
(C) Female gametophyte
(D) Male gamete
Answer: (B)

24. Innermost layer of anther is tapetum, whose function
(A) Protection
(B) Nutrition
(C) Mechanical support
(D) Help in dehiscence
Answer: (B)

25. Typical anther is
(A) Monosporangiate
(B) Bisporangiate
(C) Trisporangiate
(D) Tetrasporangiate
Answer: (D)

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