During formation of which of the following free nuclear division occurs?

(1) Flower

(2) Endosperm

(3) Gametes

(4) Fruit

The mature seeds of plants such as gram and peas, posses no endosperm, because

1. These plants are not angiosperms

2. There is no double fertilization in them

3. Endosperm is not formed in them

4. Endosperm gets used up by the developing embryo during seed development

The coconut water from tender coconut represents

(1) fleshy mesocarp

(2) free-nuclear proembryo

(3) free-nuclear endosperm

(4) endocarp

In angiosperms, triple fusion is required for the formation of:-

1. Fruit wall

2. Seed coat

3. Embryo sac

4. Endosperm

Primary endosperm nucleus (PEN) is formed by the fusion of

1. 2 polar nuclei + 1 synergid cell nucleus

2. 1 polar nucleus + 1 antipodal cell nucleus + 1 synergid cell nucleus

3. 2 polar nuclei + 1 male gamete nucleus

4. 2 antipodal cell nuclei + 1 male gamete nucleus

The morphological nature of the edible part of coconut is

(1) perisperm

(2) cotyledon

(3) endosperm

(4) pericarp

Endosperm development precedes embryo development because

1. It is  a product of triple fusiony

2. It provides nutrition to developing embryo

3. It is larger than embryo

4. Its development mostly occurs by free nuclear division in PEN

Which of the following is false?

(1) I and II only   

(2) III only           

(3) V only             

(4) II only

In flowering plants, endosperm

1. Is pre-fertilizing tissue

2. Development rarely involves free nuclear divisions

3. Development precedes embryo development

4. Is triploid tissue always

Match the following and choose correct option
          Group A                        Group B
A. Aleurone layer               i. without fertilization

B. Parthenocarpic fruit       ii. Nutrition fruit

C. Ovule                           iii. Double fertilization

D. Endosperm                   iv. Seed

1. A-i, B-ii, C-iii, D-iv

2. A-ii, B-i, C-iv, D-iii

3. A-iv, B-ii, C-i, D-iii

4. A-ii, B-iv, C-i, D-iii