Coconut water from a tender coconut is

1. Immature embryo

2. Free nuclear endosperm

3. Innermost layers of the seed coat

4. degenerated nucellus

False fruit in an apple is formed from

(1) receptacle

(2) thalamus

(3) peduncle

(4) petals.

Which of of the following fruits is parthenocarpic?

1. Brinjal

2. Apple

3. Jackfruit

4. Banana

Pollen grains are shed at which stage?

(1) 2 celled 

(2) 3 celled

(3) Usually at 2-celled, but sometimes 3-celled

(4) Single celled stage

Identify the different parts of a typical dicot embryo labeled as A, B and C and select the correct option.

Male gametophyte in angiosperms produces 

1. two sperms and a vegetative cell

2. single sperm and a vegetative cell

3. single sperm and two vegetative cells

4. three sperms

Which one of the following statements is not true?

1. Pollen grains are rich in nutrients and they are used in the form of tablets and syrups

2. Pollen grains of some plants cause severe allergies and bronchial afflictions in some

people 

3. The flowers pollinated by flies and beetles secrete foul odour to attract them

4. Honey is made by bees by digesting pollen collected from flowers

Which of these is a diploid structure ?

(1) Pollen grains

(2) Egg

(3) Megaspore

(4) MMC

Cross pollination in true genetic sense is 

(1) allogamy

(2) cleistogamy

(3) geitonogamy

(4) autogamy

Perisperm differs from endosperm in

1. being a haploid tissue

2. having no reserve food

3. being a diploid tissue

4. its formation by fusion of secondary nucleus with several sperms