Higher population in cities is mainly due to

1.  More opportunities for education

2.  Availability of clean drinking water

3.  Better sanitation

4.  Higher income resources

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4
Correct Answer :

Higher income resources


Explanation :
No Explanation available for this question

Conversion of a specialized cell into an unspecialized embryonic type of cell is referred to as

1.  Differentiation

2.  Dedifferentiation

3.  Transformation

4.  Convergence

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4
Correct Answer :

Dedifferentiation


Explanation :
No Explanation available for this question

Infant mortality rate is minimum in

1.  Sweden

2.  Japan

3.  England

4.  USA

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4
Correct Answer :

Japan


Explanation :
No Explanation available for this question

A lost leg cannot be regenerated by

1.  Salamander

2.  Tadpole larva

3.  Crab

4.  Adult frog

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4
Correct Answer :

Adult frog


Explanation :
No Explanation available for this question

Replacement rate is estimated to be

1.  1.8

2.  2

3.  2.1

4.  3.5

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4
Correct Answer :

2


Explanation :
No Explanation available for this question

Ageing is caused by disappearance of

1.  Thyroid

2.  Thymus

3.  Pituitary

4.  Parathyroid

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4
Correct Answer :

Thymus


Explanation :
No Explanation available for this question

The gland that shows atrophy and degenerates with the advancement of age and disappears by middle age is

1.  Thyroid

2.  Pituitary

3.  Prostate

4.  Thymus

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4
Correct Answer :

Thymus


Explanation :
No Explanation available for this question

A bud-like structure formed at the end of cut limb of salamander is

1.  Blastula

2.  Blastema

3.  Blastumela

4.  Plasma

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4
Correct Answer :

Blastema


Explanation :
No Explanation available for this question

When growth takes place only by increase in volume of existing cells,it is called

1.  Multiplicative growth

2.  Auxetic growth

3.  Accretionary growth

4.  Differential growth

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4
Correct Answer :

Auxetic growth


Explanation :
No Explanation available for this question

Reserve cells which can transform into any cell type and help to replace the dead cells of body are called

1.  Interstitial cells

2.  Basal cells

3.  Totipotent cells

4.  All of above

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4
Correct Answer :

Totipotent cells


Explanation :
No Explanation available for this question
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