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

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

1. Pteridophytes

2. Algae

3. Angiosperms

4. Bryophytes

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)

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

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

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 

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

Select the correct statement(s)

1. Only a few bryophytes are heterosporous

2. Double fertilization is unique to angiosperms

3. Strobili are found in Selaginella & Salvinia

4. Female gametophytes of gymnosperm have an independent free-living existance

Which of the following feature(s) is/are exclusive in angiosperms :-

a. Presence of fruit

b. Double fertilization

c. Female gametophyte

d. Presence of flowers

e. Formation of endosperm

f. Presence of vessels and companion cells

Tick the right one :-

1. a, b, c, e

2. b, c, d, e

3. b, d, e, f

4. a, b, d, f