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Assertion: Ex-albuminous seeds do not possess any residual end
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Assertion: Ex-albuminous seeds do not possess any residual endosperm, as it is completely consumed during embryo development.
Reason: Wheat, castor, pea and groundnut are all the examples of ex-albuminous seeds.

A
If both Assertion and Reason are true and Reason is the correct explanation of Assertion

B
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

C
If Assertion is true but Reason is false.

D
If both Assertion and Reason are false.

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Book:

NEET Question Bank i Biology for AIIMS (Disha)

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Assertion: Ex-albuminous seeds do not possess any residual endosperm, as it is completely consumed during embryo development.
Reason: Wheat, castor, pea and groundnut are all the examples of ex-albuminous seeds.
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Text SolutionText solutionverified iconVerified

In some seeds, the endosperm persists in the seed as food storage tissue. Such seeds are called endospermic or albuminous, e.g., Castor, Maize, Wheat, Barley, rubber, coconut. In others, the endosperm is completely eaten up by the growing embryo. The food for later development of embryo is then stored in cotyledons which become massive. Such seeds are non-endospermic or ex-albuminous, e.g., Pea, Gram, Bean, Groundnut. 
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Practice questions from NEET Question Bank i Biology for AIIMS (Disha)

Question 1
Easy
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Views: 5,725

Assertion: Endosperm development proceeds embryo development.
Reason: It assures nutrition to developing embryo. 
  1. If both Assertion and Reason are true and Reason is the correct explanation of Assertion
  2. If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
  3. If Assertion is true but Reason is false.
  4. If both Assertion and Reason are false.
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

NEET Question Bank i Biology for AIIMS (Disha)

View solution

Question 2
Easy
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Assertion: The largest cell of the embryo sac is central cell.
Reason: It consists of a fused nuclei.
  1. If both Assertion and Reason are true and Reason is the correct explanation of Assertion
  2. If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
  3. If Assertion is true but Reason is false.
  4. If both Assertion and Reason are false.
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

NEET Question Bank i Biology for AIIMS (Disha)

View solution

Question 3
Easy
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Assertion: Pollen grains from male parent are mostly transferred to the stigma in the female parent by some external agency.
Reason: This is because the male flowers or male organs have no internal device to reach the female organs in another flower. 
  1. If both Assertion and Reason are true and Reason is the correct explanation of Assertion
  2. If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
  3. If Assertion is true but Reason is false.
  4. If both Assertion and Reason are false.
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

NEET Question Bank i Biology for AIIMS (Disha)

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Question 4
Easy
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Assertion : The two cotyledons in seed are embryonic leaves.
Reason : The embryo contains radicle and plumule.
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  2. If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
  3. If Assertion is true but Reason is false.
  4. If both Assertion and Reason are false.
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

NEET Question Bank i Biology for AIIMS (Disha)

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Question Text
Assertion: Ex-albuminous seeds do not possess any residual endosperm, as it is completely consumed during embryo development.
Reason: Wheat, castor, pea and groundnut are all the examples of ex-albuminous seeds.
TopicSexual Reproduction in Flowering Plants
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes81