Chromosome and DNA — Biology MCQs (Class 12) Free Online

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Page 7 of 7

#49
The number of chromosomes in Down's syndrome is

A) 2n-1

B) 2n+2

C) 2n+1

D) n+1

Answer: C

Comments:

#50
In mitochondria UGA condon specify

A) Arginine

B) Valine

C) Tryptophan

D) None of these

Answer: C

Comments:

#51
Which one of the following disorder is not due to non-disjunction of chromosomes?

A) PKU

B) Down's syndrome

C) Turner's syndrome

D) Klinefelter's syndrome

Answer: A

Comments:

Page 7 of 7

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Chromosome and DNA — Biology MCQs (Class 12)

#49
The number of chromosomes in Down's syndrome is

A) 2n-1

B) 2n+2

C) 2n+1

D) n+1

Comments:

#50
In mitochondria UGA condon specify

A) Arginine

B) Valine

C) Tryptophan

D) None of these

Comments:

#51
Which one of the following disorder is not due to non-disjunction of chromosomes?

A) PKU

B) Down's syndrome

C) Turner's syndrome

D) Klinefelter's syndrome

Comments:

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Chromosome and DNA — Biology MCQs (Class 12)

#49 The number of chromosomes in Down's syndrome is

A) 2n-1 B) 2n+2 C) 2n+1 D) n+1

Comments:

#50 In mitochondria UGA condon specify

A) Arginine B) Valine C) Tryptophan D) None of these

Comments:

#51 Which one of the following disorder is not due to non-disjunction of chromosomes?

A) PKU B) Down's syndrome C) Turner's syndrome D) Klinefelter's syndrome

Comments:

Quick Links

Quick Subject Links

#49
The number of chromosomes in Down's syndrome is

A) 2n-1

B) 2n+2

C) 2n+1

D) n+1

#50
In mitochondria UGA condon specify

A) Arginine

B) Valine

C) Tryptophan

D) None of these

#51
Which one of the following disorder is not due to non-disjunction of chromosomes?

A) PKU

B) Down's syndrome

C) Turner's syndrome

D) Klinefelter's syndrome