Sexual Reproduction in Flowering plants MCQs

Sexual Reproduction in Flowering plants MCQs

Sexual Reproduction in Flowering plants MCQs are very important for every Aspirant because Sexual Reproduction in Flowering plants is the most important role play in biology, so if you want to ace your competitive exam like NEET, AIIMS and others, then make sure you read the Sexual Reproduction in Flowering plants chapter properly. these Sexual Reproduction in Flowering plants multiple choice questions are prepared by our live learns team, these questions has been taken from various books including NCERT, Previous year’s question papers, and model papers. 

Sexual Reproduction in Flowering plants Part 01

1. Which of the following represents female gametophyte in angiosperms?

A. Embryo

B. Embryo sac

C. Synergid

D. Endosperm

Ans:B

2. The development of fruits without fertilisation of the ovary, is called:

A. Parthenogenesis

B. Agamospermy

C. Parthenocarpy

D. Apomixis

Ans: B

3. The number of meiotic divisions, required to produce 400 seeds in a pea plant is:

A. 100

B. 200

C. 400

D. 500

Ans: D

4. In an embryo sac, the cells that degenerate after fertilisation are:

A. Synergids and primary endosperm cell

B. Synergids and antipodals

C. Antipodals and primary endosperm cell

D. Egg and antipodals

Ans: b

5. Which of the following floral parts forms the pericarp after fertilisation?

A. Nucellus

B. Outer integument

C. Ovary wall

D. Inner integument

Ans: C

6. The female gametophyte of a typical dicot at the time of fertilisation is:

A. 8_ celled

B. 7_ celled

C. 6_ celled

D. 5_ celled

Ans: B

7. Both chasmogamous and cleistogamous flowers are present in:

A. Helianthus

B. Rosa

C. Commelina

D. Gossypium

And: C

8. Plants with ovaries having only one or a few ovules are generally pollinated by:

A. Bees

B. Butterfly

C. Birds

D. Wind

Ans: D

9. Which of the following is not a water pollinated plant;

A. Zostera

B. Vallisneria

C. Hydrilla

D. Cannabis

Ans: D

10. An embryo may sometimes develop from any cell of embryo sac other than egg. It is termed as :

A. Apsopory

B. Apogamy

C. Parthenogenesis

D. Parthenocarpy

Ans: B

Sexual Reproduction in Flowering plants BIOLOGY Part 02

11. Exine layer of pollen grain is made up of _____________?

A. Sporo pollenin

B. Pectin

C. Cellulose

D. Chitin

Ans: A

12. Pollination by insect is called:

A. Hydrophily

B. Entemophily

C. Anemophily

D. Ornithophily

Ans: B

13. Removal of anther is called

A. Emasculation

B. Bagging

C. Artificial hybridisation

D. Pollination

Ans: A

14. Occurance of more than one embryo in a seed is called:

A. Polyembrony

B. Parthenocarpy

C. Apomixis

D. Embryogeny

Ans: A

15. A typical angiospermic anther is:

A. Bilobed

B. Unilobed

C. Trilobed

D. Tetra Bed

Ans: A

16. In angiosperm female gametophyte is:

A. Embryo

B. Egg apparatus

C. Embryo sac

D. Synergid

Ans: C

17. Megasporangium along with its protective integument is called:

A. Ovary

B. Ovule

C. Funicle

D. Chalaza

Ans: B

18. Which of these is a condition that makes flowers invariably autogamous:

A. Dioecy

B. Self incompatibility

C. Cleistogamy

D. Xenogamy

Ans: A

19. The total number of nuclei involved in double fertilisation in angiosperm is;

A. 2

B. 3

C. 4

D. 5

Ans: D

20. Choose the correct statement:

A. Cleistogamous flowers always exhibit autogamy

B. Chasmogamous flowers always exhibit geitonogamy

C. Cleistogamous flowers always exhibit both autogamy and geitonogamy

D. Chasmogamous flowers never exhibit autogamy

Ans: A

Sexual Reproduction in Flowering plants Biology Part 03

21. The outermost and innermost wall layers of microsporangium in an anther are respectively:

A. Endothelium and tapetum

B. Epidermis and endodermis

C. Epidermis and middle layer

D. Epidermis and tapetum

Ans: D

22. During microsporogenesis, meiosis occurs in;

A. Endothelium 

B. Microspore mother cell

C. Microspore tetrads

D. Pollen grains

Ans: B

23. Non essential floral organs in a flower are:

A. Sepals and Petals

B. Anther and ovary

C. Stigma and filament

D. Petals only

Ans: A

24. Anther is generally:

A. Monosporangiate

B. Bisporangiate

C. Tetrasporangiate

D. Tetrasporangiate

Ans: C

25. Tapetum’s function is;

A. Dehiscence

B. Mechanical

C. Nutrition

D. Protection

Ans: C

26. In angiosperm various stages of reductional division can best be studied in:

A. Young anthers

B. Mature anthers

C. Young ovules

D. Endosperm cell

Ans: A

27. Triple fusion in capsella bursa pastoris is fusion of male gamete with;

A. Egg

B. Synergid

C. Secondary nucleus

D. Antipodals

Ans. C. Secondary nucleus

28. Father of Indian embryology is:

A. P. Maheswari

B. Swaminathan

C. R. Mishra

D. Butler

Ans: A

29. ______________ is not an endospermic seed:

A. Pea 

B. Castor

C. Maize

D. Wheat

Ans: A

30. What is the function of germ pore?

A. Emergence of radicle

B. Absorption of water for seed germination

C. Initiation of pollen tube

D. All of these

Ans: C