AIIMS (All India Institute of Medical Sciences) Biology: Questions 42 - 45 of 467

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Question number: 42

» Biology and Human Welfare » Health and Disease

Appeared in Year: 2012

MCQ▾

Question

Typhoid fever is caused by a species of-

Choices

Choice (4) Response

a.

Staphylococcus

b.

Mycobacterium

c.

Streptococcus

d.

Salmonella

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Question number: 43

» Genetics and Evolution » Heredity and Variation » Pleiotropy

Appeared in Year: 2007

Assertion-Reason▾

Question

Assertion (Ꭺ)

Phenylketonuria is a recessive hereditary disease caused by failure of the body to oxidize an amino acid phenylalanine to tyrosine because of defective enzyme.

Reason (Ꭱ)

It results in presence of phenylalanine in urine

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are false

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

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Question number: 44

» Structural Organization in Animals and Plants » Plant Tissues - Morphology, Anatomy and Functions » Flower

Appeared in Year: 2005

MCQ▾

Question

The family containing mustard and its main characters are:

Choices

Choice (4) Response

a.

Poaceae — Trimerous flowers, three stamens, monocarpellary gynoecium, caryopsis type of fruit

b.

Solanaceae — Pentamerous flowers, five stamens, bicarpellary gynoecium berry type fruit

c.

Brassicaceae — Pentamerous flowers, many stamens, pentacarpellary gynoecium, capsule type fruit

d.

Brassicaceae — Tetramerous flowers, six stamens, bicarpellary gynoecium, siliqua type fruit

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Question number: 45

» Genetics and Evolution » Molecular Basis of Inheritance » Structure of DNA and RNA

Appeared in Year: 2006

MCQ▾

Question

Thymine is -

Choices

Choice (4) Response

a.

4-Methyl uracil

b.

5-Methyl uracil

c.

1-Methyl uracil

d.

3-Methyl uracil

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