Reproduction in Flowering Plants MCQ Questions and Answers for Practice

1. A callose covering is present over

1. egg
2. pollen grain
3. male gamete
4. microspore mother cell

2. A diploid female plant is crossed with tetraploid male. The ploidy of endosperm will be

1. Tetraploidy
2. Triploidy
3. Pentaploidy
4. Diploidy

3. An advantage of cleistogamy is

1. it leads to 2rversity
2. seed dispersal is more efficient and widespread
3. each visit of pollinator brings hundered of pollen grains
4. seed set is not dependent on pollinators

4. Anemophily occurs in

1. Salvia
2. Vallisnaria
3. Coconut
4. Bottle brush

5. Anther represents

1. male gametophyte
2. male sporophyll
3. spermatogonia
4. female gametophyte

6. Anthesis is

1. formation of pollen
2. development of anther
3. reception of pollen by stigmas
4. opening of floral bud

7. Arrangement of nuclei in normal dicot embryo sac is

1. 3+3+2
2. 2+4+2+
3. 3+2+3
4. 2+3+3

8. Bicarpeliary gynaecium and oblique ovary occurs in

1. Banana
2. Brinjal
3. Pisum
4. Mustard

9. Bird pollination is

1. chiropterophily
2. ornithophily
3. malacophily
4. myrmecophily.

10. Cleistbgamous flowers are

1. self pollinated
2. insect pollinated
3. bird pollinated
4. wind pollinated

11. Device for self pollination is

1. heterostyly
2. dicliny
3. unisexuality
4. none of the above

12. Double fertilization involves

1. fertilization of an egg by two male gametes
2. fertilization of two eggs in the same embryo sac by two sperms brought by one pollen tube
3. fertilization of egg and central cell by two sperms brought by two different pollen tubes
4. Fertilization of egg and central cell by two sperms brought by same pollen tube

13. Effect of pollen on character of pericarp and seed coat is

1. xenia
2. metaxenia
3. chimera
4. ruminate endosperm

14. Egg apparatus consists of

1. egg and antipodals
2. polar nuclei
3. egg and synergids
4. egg

15. Embryo sac is

1. microgametophyte
2. microsporangium
3. megagametophyte
4. megasporangium