Important MCQs on Sexual reproduction in flowering plants for NEET
Before we discuss about these Sexual reproduction in flowering plants questions & Answers, we have to know Sexual reproduction in flowering plants is the most important topic in biology so kindly do check it. our live learns team prepared these questions for NEET, AIIMS,JIPMER and others medical or competitive exams.
Sexual Reproduction in Flowering Plants
1. Exine layer of pollen grain is made up of _____________?
A. Sporo pollenin
B. Pectin
C. Cellulose
D. Chitin
Ans: A
2. Pollination by insect is called:
A. Hydrophily
B. Entemophily
C. Anemophily
D. Ornithophily
Ans: B
3. Removal of anther is called
A. Emasculation
B. Bagging
C. Artificial hybridisation
D. Pollination
Ans: A
4. Occurance of more than one embryo in a seed is called:
A. Polyembrony
B. Parthenocarpy
C. Apomixis
D. Embryogeny
Ans: A
5. A typical angiospermic anther is:
A. Bilobed
B. Unilobed
C. Trilobed
D. Tetra Bed
Ans: A
6. In angiosperm female gametophyte is:
A. Embryo
B. Egg apparatus
C. Embryo sac
D. Synergid
Ans: C
7. Megasporangium along with its protective integument is called:
A. Ovary
B. Ovule
C. Funicle
D. Chalaza
Ans: B
8. Which of these is a condition that makes flowers invariably autogamous:
A. Dioecy
B. Self incompatibility
C. Cleistogamy
D. Xenogamy
Ans: A
9. The total number of nuclei involved in double fertilisation in angiosperm is;
A. 2
B. 3
C. 4
D. 5
Ans: D
10. 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