Assertion(A): Double fertilization is an event unique to angiosperms.
Reason(R): There is an occurrence of two fusions i.e., syngamy and triple fusion.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.

Which of the following is without exception in Angiosperms:
1. Presence of vessels
2. Double fertilisation
3. Secondary growth
4. Autotrophic nutrition

Angiosperms have dominated the land flora primarily because of their:

1. Property of producing a large number of seeds
2. Nature of self-pollination
3. Domestication by man
4. Power of adaptability in diverse habitat 

Embryo of sunflowers have:
1.  Two cotyledons
2.  One cotyledons
3.  Eight cotyledons
4.  Cotyledons absent

In angiosperm, characters of flowers are used in classification because:
1.  Characters of flowers are conservative
2.  Flowers are large
3.  Flowers are attractive
4.  None of the above

Consider the following four statements:
 

The two wrong statements together are:
1. Statements (A) and (B)
2. Statements (A) and (C)
3. Statements (A) and (D)
4. Statements (B) and (C)

Male and female gametophytes do not have an independent free-living existence in:

1. Pteridophytes

2. Algae

3. Angiosperms

4. Bryophytes

If the diploid number of a flowering plant is 36. What would be the chromosome number in its endosperm?

1. 36

2. 18

3. 54

4. 72

The embryo sac of an angiosperm is made up of

1.  8 cells

2.  7 cells and 8 nuclei

3.  8 nuclei

4.  7 cells and 7 nuclei