The arrangement of the nuclei in a normal embryo sac in the dicot plant is :

(1) 2+4+2

(2) 3+2+3

(3) 2+3+3

(4) 3+3+2

Subtopic:  Pistil: Female Gametophyte |
 86%
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In angiosperms, microsporogenesis and megasporogenesis

(1) occur in anther

(2) form gametes without further divisions

(3) involve meiosis

(4) occur in ovule

Subtopic:  Stamen: Microsporangium | Pistil: Female Gametophyte |
 84%
From NCERT
NEET - 2015
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Flowers are unisexual in

(1) pea

(2) cucumber

(3) china rose

(4) onion

Subtopic:  Sexual Reproduction | Events during Sexual reproduction |
 55%
From NCERT
NEET - 2015
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Coconut water from a tender coconut is

1. Immature embryo

2. Free nuclear endosperm

3. Innermost layers of the seed coat

4. degenerated nucellus

Subtopic:  Endosperm |
 97%
From NCERT
NEET - 2015
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Which of of the following fruits is parthenocarpic?

1. Brinjal

2. Apple

3. Jackfruit

4. Banana

Subtopic:  Fruit |
 87%
From NCERT
NEET - 2015
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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

Subtopic:  Stamen: Male Gametophyte |
 80%
From NCERT
NEET - 2015
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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

Subtopic:  Seed |
 51%
NEET - 2013
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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

Subtopic:  Pollination & Outbreeding Devices |
 86%
From NCERT
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Which of these is a diploid structure ?

(1) Pollen grains

(2) Egg

(3) Megaspore

(4) MMC

Subtopic:  Stamen: Microsporangium |
 79%
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False fruit in an apple is formed from

(1) receptacle

(2) thalamus

(3) peduncle

(4) petals.

Subtopic:  Fruit |
 96%
From NCERT
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