CBSE Class 12 Sexual Reproduction in Flowering Plants Multiple Choice Questions with Answers. MCQ Questions Class 12 Sexual Reproduction in Flowering Plants with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT MCQ questions Class 12 Sexual Reproduction in Flowering Plants with Answers to know their preparation level.
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MCQ Questions Class 12 Sexual Reproduction in Flowering Plants with Answers - Set - 5
Question 1:
From among the sets of terms given below, identify those that are associated with the gynoecium.
(a) Stigma, ovule, embryo sac, placenta
(b) Thalamus, pistil, style, ovule
(c) Ovule, ovary, embryo sac, tapetum
(d) Ovule, stamen, ovary, embryo sac
Correct Answer – (A)
Question 2:
Female gametophyte of angiosperms is represented by
(a) ovule
(b) megaspore mother cell
(c) embryo sac
(d) nucellus.
Correct Answer – (C)
Question 3:
Double fertilisation was first discovered in 1898 by _______ in Fritillaria and Lilium.
(a) Nawaschin
(b) Strasburger
(c) Amici
(d) Focke
Correct Answer – (A)
Question 4:
In angiosperm, all the four microspores of tetrad are covered by a layer which is formed by
(a) pectocellulose
(b) callose
(c) cellulose
(d) sporopollenin
Correct Answer – (A)
Question 5:
In an angiosperm, how many microspore mother cells are required to produce 100 pollen grains?
(a) 75
(b) 100
(c) 25
(d) 50
Correct Answer – (C)
MCQ Questions Class 12 Sexual Reproduction in Flowering Plants With Answers
Question 6:
The role of double fertilisation in angiosperms is to produce
(a) cotyledons
(b) endocarp
(c) endosperm
(d) integuments
Correct Answer – (C)
Question 7:
Ploidy of ovum of angiosperms is
(a) haploid
(b) diploid
(c) triploid
(d) polyploid
Correct Answer – (A)
Question 8:
Functional megaspore in an angiosperm develops into an
(a) endosperm
(b) embryo sac
(c) embryo
(d) ovule.
Correct Answer – (B)
Question 9:
In angiosperm, the endosperm is
(a) diploid
(b) triploid
(c) haploid
(d) polyploid
Correct Answer – (B)
Question 10:
Formation of gametophyte directly from sporophyte without meiosis is
(a) apospory
(b) apogamy
(c) parthenogenesis
(d) amphimixis.
Correct Answer – (A)
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