AIIMS Biology: Questions 53 - 58 of 405

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Question number: 53

» Biology and Human Welfare » Health and Disease

Appeared in Year: 2013

MCQ▾

Question

Spirochaetes is/are:

Choices

Choice (4) Response

a.

ricrhittsias

b.

a class of viruses

c.

myxobacterie

d.

spiral-shaped bacteria

Question number: 54

» Genetics and Evolution » Molecular Basis of Inheritance » Transcription

Appeared in Year: 2006

MCQ▾

Question

During protein synthesis in an organism, at one point the process comes to a halt. Select the group of the three codons from the following from which any one of the three could bring about this halt

Choices

Choice (4) Response

a.

UUG, UCA, UCG

b.

UUU, UCC, UAU

c.

UAG, UGA, UAA

d.

UUC, IIA, UAC

Question number: 55

» Human Physiology » Digestion and Absorption » Alimentary Canal and Digestive Glands

Appeared in Year: 2001

MCQ▾

Question

The toxic substance are detoxicated in the human body by:

Choices

Choice (4) Response

a.

Liver

b.

Kidneys

c.

Lungs

d.

Stomach

Question number: 56

» Ecology and Environment » Ecosystem » Energy Flow

Appeared in Year: 2012

MCQ▾

Question

Energy flow in an ecosystem is

Choices

Choice (4) Response

a.

Multidirectional

b.

Unidirectional

c.

Bidirectional

d.

None of the above

Question number: 57

» Genetics and Evolution » Molecular Basis of Inheritance » Transcription

Appeared in Year: 1985

MCQ▾

Question

The function of non-sense codons is-

Choices

Choice (4) Response

a.

To convert a sense DNA into non sense DNA

b.

To form an unspecified amino acid

c.

To terminate the message of a gene controlled protein synthesis

d.

To release polypeptide chain from t-RNA

Question number: 58

» Genetics and Evolution » Molecular Basis of Inheritance » Transcription

Appeared in Year: 1986

MCQ▾

Question

Which codon gives signal for the start of polypeptide (protein) chain synthesis-

Choices

Choice (4) Response

a.

UAG

b.

UGA

c.

GUA

d.

AUG

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