Free Sexual Reproduction In Flowering Plants (Daily Quiz: 14) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Which is the most common type of embryo sac in angiosperms ?

(a) Tetrasporic with one mitotic stage of divisions

(b) Monosporic with two sequential mitotic divisions

(c) Monosporic with three sequential mitotic divisions

(d) Bisporic with two sequential mitotic divisions

Question-2

Ovule is straight with funiculus, embryo sac, chalaza and micropyle lying on one straight line. It is

(a) orthotropous

(b) campylotropous

(c) anatropous

(d) amphitropous

Question-3

Development of an organism from female gamete/egg without involving fertilization is

(a) adventitive embryony

(b) parthenocarpy

(c) polyembryony

(d) parthenogenesis.

Question-4

The given figure shows the L.S. of a monocot embryo. Choose the correct labelling for A, B, C and D marked in the figure from the options given below.

(a) A – Coleoptile; B – Scutellum; C – Epiblast; D – Coleorhiza

(b) A – Scutellum; B – Epiblast; C – Coleoptile; D – Coleorhiza

(c) A – Scutellum; B – Coleoptile; C – Coleorhiza; D – Epiblast

(d) A – Scutellum; B – Coleoptile; C – Epiblast; D – Coleorhiza

Question-5

While planning for an artificial hybridization programme if the female parent have unisexual flowers, then which of the following steps would not be relevant?

(a) Bagging of female flower.

(b) Emasculation.

(c) Dusting of pollen on stigma.

(d) Collection of pollen.