The basic unit of classification is :

1.  genus

2.   species

3.   variety

4.  subspecies

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4
Correct Answer :

species


Explanation :
No Explanation available for this question

The enzyme responsible for the reduction of molecular nitrogen to the level of ammonia in the leguminous root nodule :

1.  nitrogenase

2.  nitrate reductase

3.   nitrite reductase

4.  amminase

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4
Correct Answer :

nitrogenase


Explanation :
No Explanation available for this question

10% law of energy transfer was given by :

1.  Lindmann

2.   Tansley

3.  Stanely

4.  Darwin

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4
Correct Answer :

Lindmann


Explanation :
No Explanation available for this question

Malignant tertain malaria is caused by :

1.  P. vivax

2.  P. malariae

3.  P. ovale

4.  P. falciparum

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4
Correct Answer :

P. falciparum


Explanation :
No Explanation available for this question

Which of the following is a fungus

1.  Nostoc

2.   E.coli

3.  Yeast

4.  Chara

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4
Correct Answer :

Yeast


Explanation :
No Explanation available for this question

Assertion : In collateral vascular bundles phloem is situated towards inner side. Reason : In monocot stem, cambium is present.

1.  A

2.  B

3.  C

4.  D

5.  E

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5
Correct Answer :

D


Explanation :
No Explanation available for this question

Assertion : Ginkgo biloga is living fossil. Reason : Organism which have persisted and remain unchanged for the past several million years while their relatives disappeared.

1.  A

2.  B

3.  C

4.  D

5.  E

View Answer  
5
Correct Answer :

A


Explanation :
No Explanation available for this question

Assertion : Saline water is not given to patients of hypertension. Reason : Saline water can cause vomiting and may drop blood pressure suddenly causing cardiac arrest.

1.  A

2.  B

3.  C

4.  D

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4
Correct Answer :

C


Explanation :
No Explanation available for this question

Assertion : Histones are basic proteins of major importance in packaging of eukaryotic DNA, DNA and histones comprise chromatin forming the bulk of eukaryotic chromosomes. Reason : Histones are five major types H1, H2A, H2B, H3and H4

1.  A

2.  B

3.  C

4.  D

5.  E

View Answer  
5
Correct Answer :

B


Explanation :
No Explanation available for this question

Assertion : Bacteria have three basic shapes, i.e., round, rod, spiral. Reason : Cocci and bacilli may form clusters or chain of a definite length.

1.  A

2.  B

3.  C

4.  D

5.  E

View Answer  
5
Correct Answer :

B


Explanation :
No Explanation available for this question
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