Schleiden proposed that cell is the structural and functional unit of life. His idea was a

1.  Hypothesis

2.  Assumption

3.  Generalization

4.  Observationa

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4
Correct Answer :

Hypothesis


Explanation :
No Explanation available for this question

Organelles which are regarded as ‘power house’ of the cell and in which oxidative reaction of the respiratory process take place are

1.  Chloroplasts

2.  Ribosomes

3.  Mitochondria

4.  Endoplasmic reticulum

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4
Correct Answer :

Mitochondria


Explanation :
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lack of independent assortment of two genes A and B in fruit fly drosophila is due to

1.  repulsion

2.  recombination

3.  linkage

4.  crossing over

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4
Correct Answer :

linkage


Explanation :
No Explanation available for this question

Stroma is the ground substance of

1.  Endoplasmic reticulum

2.  Nucleus

3.  Chloroplast

4.  Mitochondria

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4
Correct Answer :

Chloroplast


Explanation :
No Explanation available for this question

extranuclear inheritance is the consequence of presence of genes in

1.  mitochondria and chloroplasts

2.  endoplasmic reticulum and mitochondria

3.  ribosomes and chloroplasts

4.   lysosomes andribosomes

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4
Correct Answer :

mitochondria and chloroplasts


Explanation :
No Explanation available for this question

Foldings of inner membrane of mitochondria are called

1.  Grana

2.  Calcium oxalate crystals

3.  Cristae

4.  Sacs

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4
Correct Answer :

Cristae


Explanation :
No Explanation available for this question

the recessive genes located on X-chromosomes of humans are always

1.  lethal

2.  sub-lethal

3.  expressed in males

4.  expressed in females

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4
Correct Answer :

expressed in males


Explanation :
No Explanation available for this question

In a plant cell, vacuole contains

1.  Water and dissolved substances

2.  Only air    

3.  Water

4.  Cytoplasm

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4
Correct Answer :

Water and dissolved substances


Explanation :
No Explanation available for this question

crossing over that results in generic recombinaton in higher organisms occurs between

1.  sister chromatids of a bivalent

2.  nonsister chromatids of a bivalent

3.  two daughter nuclei

4.  two different bivalents

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4
Correct Answer :

nonsister chromatids of a bivalent


Explanation :
No Explanation available for this question

Plasma protein performs

1.  Nutritive functions

2.  Physiochemical function

3.  Transport function

4.  All the above

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4
Correct Answer :

All the above


Explanation :
No Explanation available for this question
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