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 |
NEET - 2013
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Identify the different parts of a typical dicot embryo labeled as A, B and C and select the correct option.

      A        B       C

(1)

Plumule

Cotyledons

Radicle

(2)

Radicle

Cotyledons

Plumule

(3)

Cotyledons

Plumule

Radicle

(4)

Cotyledons

Radicle

Plumule

Subtopic:  Embryo |
 83%
From NCERT
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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 |
 78%
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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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Cross pollination in true genetic sense is 

(1) allogamy

(2) cleistogamy

(3) geitonogamy

(4) autogamy

Subtopic:  Pollination & Outbreeding Devices |
 64%
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Seed of castor is

(1) non-endospermic, exalbuminous

(2) endospermic albuminous

(3) endospermic exalbuminous

(4) non-endospermic albuminous.

Subtopic:  Seed |
 73%
From NCERT
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Ubisch bodies are secreted from

(1) ovule

(2) tapetum

(3) both of these

(4) none of these

Subtopic:  Stamen: Anther |
 74%
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Aleurone layer is

(1) haploid

(2) diploid

(3) triploid

(4) tetraploid

Subtopic:  Seed |
 74%
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Edible part of apple is the

(1) thalamus

(2) mesocarp

(3) epicarp

(4) endocarp

Subtopic:  Fruit |
 83%
From NCERT
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