Free Sexual Reproduction In Flowering Plants (Daily Quiz: 12) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

The stalk attaching ovule to placenta is

(a) Hilum

(b) Funiculus

(c) Raphe

(d) Chalaza

Question-2

Which of the following statements is not true about somatic embryogenesis?

(a) A somatic embryo develops from a somatic cell

(b) Somatic embryos can develop from microspores

(c) The pattern of development of a somatic embryo is comparable to that of a zygotic embryo

(d) Somatic embryo is induced usually by an auxin such as2, 4-D

Question-3

In the given fertilised embryo sac, identify A to E.

(a) A–Synergid cell, B–Antipodal cell, C–Zygote, D–Endosperm cell, E–Chalazal cell

(b) A–Degenerating antipodal cell, B–Primary endosperm nucleus, C–Primary endosperm cell, D–Synergid cell, E–Zygote

(c) A–Degenerating synergids, B–Zygote, C–Primary endosperm cell, D–Primary endosperm nucleus, E–Degenerating antipodal cell

(d) A–Zygote, B–Synergid, C–Primary endosperm cell, D–Primary endosperm nucleus, E–Degenerating antipodal cell

Question-4

The point at which funiculus touches the ovule is

(a) chalaza

(b) raphe

(c) hilum

(d) endothelium

Question-5

A typical angiospermous ovule is attached to the placenta by means of a stalk called X. Body of the ovule fuses with X in the region called Y. Identify X and Y. X Y

	X	Y
(a)	Funicle	Hilum
(b)	Hilum	Funicle
(c)	Funicle	Micropyle
Hilum	Chalaza

(a) (a)

(b) (b)

(c) (c)

(d) (d)