Free Sexual Reproduction In Flowering Plants (Daily Quiz: 11) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

In which one of the following pollination is autogamous?

(a) Geitonogamy

(b) Chasmogamy

(c) Xenogamy

(d) Cleistogamy

Question-2

Pollen grains can be preserved as fossil because

(a) They have variety of architecture

(b) They vary from species to species

(c) They are made up of sporopollenin

(d) They exhibit a fascinating array of pattern and design

Question-3

An advantage of cleistogamy is that

(a) it leads to greater genetic diversity.

(b) each visit of pollinator brings hundreds of pollen grains.

(c) seed dispersal is more efficient and widespread.

(d) seed set is not dependent upon pollinators.

Question-4

Ovules contain many embryo in

(a) apple

(b) Citrus

(c) mango

(d) Both (b) and (c)

Question-5

Double fertilization and triple fusion were discovered by

(a) Hofmeister

(b) Leeuwenhoek

(c) Nawaschin and Guignard

(d) Strasburger.