Redproduction
1) In asexual reproduction, offspring are produced by
A) Meiosis B) Mitosis C)Gametes D) None of these
2) Critical day length for cocklebur is
A) 8.5 hrs B) 10-11 hrs C) 13-14 hrs D) 15.5 hrs
3) Which method is of asexual reproduction?
A) Sporulation B) Fission C) Apomixis D) All of these
4) Which is a long day plant?
A) Cucumber B) Henbane C) Soyabean D) Strawberry
5. The day neutral plant is:
A) Soyabean B) Cabbage C) Spring barley D) Cotton
6. Gametes in animals are produced by
A) Mitosis B) Meiosis C) Fission D) Fragmentation
7. Diploid parthenogensis occurs in:
A) Wasp B) Ant C) Aphid D) Bee
8. The special condition of rest, which enables an embryo to survive during the
long periods is:
A) Dominance B) vernalization C)Dormancy D) Fruiting
9. Vehicle for male gemete in land plants is:
A) Water B) Pollen tube C)Pollen grain D) Wind
10. An apomixis is a form of
A) Parthenocarpy B) Vernalization C) Parthenogenesis D) None of these
11. ________ is a quiescent form of phytochrome.
A) P630 B) P660 C) P730 D) P760
12. In parthenocarpy which levels are high in ovaries
A) Gibberellins B) Cytokinins C) Auxins D) All of these
13. Seeds are dormant in conditions of
A) Water scarcity B) Low temperature C) Harsh Winters D) All of these
14. Developing seeds are a rich source of
A) Auxins B) Gibberellins C) Cytokinins D) All of these
15. The condition in which plants are stimulated to flower by exposure to low
temperature is called:
A) Photoperiodism B) Vernalization C) Parthenogenesis D) Apomixis
16. Evolution of pollen tube is parallel to the evolution of
A) Leaf B) Plant C) Flower D) Seed
17. The internal fertilization leads to internal development of embryo which
gives birth to young one, such animals are called:
A)Oviparous B) Viviparous C) Ovoviviparous D)ovaparous
1) In asexual reproduction, offspring are produced by
A) Meiosis B) Mitosis C)Gametes D) None of these
2) Critical day length for cocklebur is
A) 8.5 hrs B) 10-11 hrs C) 13-14 hrs D) 15.5 hrs
3) Which method is of asexual reproduction?
A) Sporulation B) Fission C) Apomixis D) All of these
4) Which is a long day plant?
A) Cucumber B) Henbane C) Soyabean D) Strawberry
5. The day neutral plant is:
A) Soyabean B) Cabbage C) Spring barley D) Cotton
6. Gametes in animals are produced by
A) Mitosis B) Meiosis C) Fission D) Fragmentation
7. Diploid parthenogensis occurs in:
A) Wasp B) Ant C) Aphid D) Bee
8. The special condition of rest, which enables an embryo to survive during the
long periods is:
A) Dominance B) vernalization C)Dormancy D) Fruiting
9. Vehicle for male gemete in land plants is:
A) Water B) Pollen tube C)Pollen grain D) Wind
10. An apomixis is a form of
A) Parthenocarpy B) Vernalization C) Parthenogenesis D) None of these
11. ________ is a quiescent form of phytochrome.
A) P630 B) P660 C) P730 D) P760
12. In parthenocarpy which levels are high in ovaries
A) Gibberellins B) Cytokinins C) Auxins D) All of these
13. Seeds are dormant in conditions of
A) Water scarcity B) Low temperature C) Harsh Winters D) All of these
14. Developing seeds are a rich source of
A) Auxins B) Gibberellins C) Cytokinins D) All of these
15. The condition in which plants are stimulated to flower by exposure to low
temperature is called:
A) Photoperiodism B) Vernalization C) Parthenogenesis D) Apomixis
16. Evolution of pollen tube is parallel to the evolution of
A) Leaf B) Plant C) Flower D) Seed
17. The internal fertilization leads to internal development of embryo which
gives birth to young one, such animals are called:
A)Oviparous B) Viviparous C) Ovoviviparous D)ovaparous
