Reproduction in Angiosperms Questions: Paper - 02

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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)