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