EASY
Biology
IMPORTANT
Earn 100

Which of the following is not true for double fertilisation?

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Important Questions on Sexual Reproduction in Flowering Plants

MEDIUM
Biology
IMPORTANT
Biology Crash Course BITSAT>Chapter 22 - Sexual Reproduction in Flowering Plants>Exercise 1>Q 34
The pollen tube is guided to the micropyle end of the ovule by
EASY
Biology
IMPORTANT
Biology Crash Course BITSAT>Chapter 22 - Sexual Reproduction in Flowering Plants>Exercise 1>Q 35
Milky water of green coconut is
MEDIUM
Biology
IMPORTANT
Biology Crash Course BITSAT>Chapter 22 - Sexual Reproduction in Flowering Plants>Exercise 1>Q 36

Read the following statements and select the correct option.

A. Angiosperms exhibit double fertilization because two fusion events occur in the embryo sac.

B. Three gametes are involved in the process of double fertilization.

EASY
Biology
IMPORTANT
Biology Crash Course BITSAT>Chapter 22 - Sexual Reproduction in Flowering Plants>Exercise 1>Q 37

Double fertilization was first discovered in 1898 in Lilium and Fritillaria by ____

EASY
Biology
IMPORTANT
Biology Crash Course BITSAT>Chapter 22 - Sexual Reproduction in Flowering Plants>Exercise 1>Q 38
Pollen tube after reaching the ovary generally enters the ovule through the
MEDIUM
Biology
IMPORTANT
Biology Crash Course BITSAT>Chapter 22 - Sexual Reproduction in Flowering Plants>Exercise 1>Q 39

Match the Column I with Column II and select the correct option from the choice below:

Column I Column II
a. Polyembryony i. Commelina
b. Dioecious ii. Grass
c. Cleistogamous iii. Date palm
d. Apomixis iv. Citrus
EASY
Biology
IMPORTANT
Biology Crash Course BITSAT>Chapter 22 - Sexual Reproduction in Flowering Plants>Exercise 1>Q 40
An embryo may sometimes develop from any cell of the embryo sac other than the egg. It is termed as
HARD
Biology
IMPORTANT
Biology Crash Course BITSAT>Chapter 22 - Sexual Reproduction in Flowering Plants>Exercise 1>Q 41
A dandelion produces seeds without meiosis or fertilization. The adult sporophyte forms diploid, rather than haploid, megaspores that develop into ovules containing diploid, rather than haploid nuclei. One of the nuclei in each ovule becomes an egg and develops directly, without fertilization, into an embryo that is genetically identical to its parent. This type of reproduction is called