MEDIUM
NEET
IMPORTANT
Earn 100

Read the following statements.

A. Wind pollination is quite common in grasses.

B. Hydrophily is linked to about 30 genera-mostly monocots.

C. Both wind and water-pollinated flowers are not very colourful and do not produce nectar.

50% studentsanswered this correctly

Important Questions on Sexual Reproduction in Flowering Plants

MEDIUM
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 1>Q 76

Go through the following points:

I. Dicliny

II. Dichogamy

III. Self–incompatibility

IV. Heterostyly

The above contrivances prevent

EASY
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 1>Q 77
Both autogamy and geitonogamy can be prevented in ________
MEDIUM
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 1>Q 78
Identify the incorrect match:
EASY
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 1>Q 80
An embryo may sometimes develop from any cell of the embryo sac other than the egg. It is termed as
HARD
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 1>Q 81
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
EASY
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 1>Q 82
In a flower, if the megaspore mother cell forms megaspores without undergoing meiosis and if one of the megaspores develops into an embryo sac, its nuclei would be
EASY
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 1>Q 83
In which of the following polyembryony commonly occurs?
EASY
NEET
IMPORTANT
Biology Crash Course NEET>Chapter 24 - Sexual Reproduction in Flowering Plants>Level 1>Q 85
Select the odd one out with respect to dioecy.