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Science True-False

Heredity · Tamil Nadu Board STD 10 (Tamil - English Medium). 5 questions.

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True-False

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5 questions · timed · auto-graded

Question 11 Mark
Adenine always links with Guanine with three hydrogen bonds and cytosine always links with thymine with two hydrogen bonds.
Answer
False
Correct statement: Adenine always links with thymine with two hydrogen bonds. Cytosine always links with Guanine with three hydrogen bonds.
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Question 31 Mark
The mother is responsible for determining the sex of the child. The sperm produced by the father does not determine the sex of the child.
Answer
False
Correct statement: The mother is not responsible for determining the sex of the child. The sperm produced by the father determines the sex of the child.
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Question 41 Mark
The chromosomes of body cells of an organism are haploid in condition and the single set of chromosomes in gametes are diploid in condition.
Answer
False
Correct statement: The chromosomes of body cells of an organism are diploid in condition and the single set of chromosomes in gametes are haploid in condition.
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Question 51 Mark
The character which expresses itself is called the dominant condition and that which is masked is called recessive condition. 
Answer
true
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True-False - Science STD 10 Questions - Vidyadip