Assertion : Dope test is used to estimate the level of blood alcohol by analysing the breath of persons drinking alcohol. Reason : A drunken person usually feels tense and less talkative

1.  If both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion.

2.  If both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion.

3.  If the Assertion is true but the Reason is false.

4.  If both the Assertion and the Reason are false.

5.  If Assertion is false but Reason is true.

View Answer  
5
Correct Answer :

If both the Assertion and the Reason are false.


Explanation :
No Explanation available for this question

The role of bacteria in carbon cycle is :

1.  photosynthesis

2.  chemosynthesis

3.  decomposition of organic compounds

4.  evolution of O2

View Answer  
4
Correct Answer :

decomposition of organic compounds


Explanation :
No Explanation available for this question

Food chain starts with :

1.  autotrophs

2.   herbivores

3.   carnivores

4.  decomposers

View Answer  
4
Correct Answer :

autotrophs


Explanation :
No Explanation available for this question

Assertion : The honey bee queen copulates only once in her life time Reason : The honey bee queen can lay fertilized as well as unfertilized eggs

1.  If both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion.

2.  If both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion.

3.  If the Assertion is true but the Reason is false.

4.  If both the Assertion and the Reason are false.

5.  If Assertion is false but Reason is true.

View Answer  
5
Correct Answer :

If both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion.


Explanation :
No Explanation available for this question

Which of the following substances is at it lowest level in fish food

1.  Acting

2.  Myosin

3.  Cholesterol

4.  Tissue fluid

View Answer  
4
Correct Answer :

Cholesterol


Explanation :
No Explanation available for this question

Birds are :

1.  cold blooded

2.  homeothermal

3.  poikilothermal

4.  homeopoiesis

View Answer  
4
Correct Answer :

homeothermal


Explanation :
No Explanation available for this question

Assertion : From evolutionary point of view, human gestation period is believed to be shortening. Reason : One major evolutionary trend in humans has been the larger head undergoing relatively faster growth rate in the foetal stage

1.  If both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion.

2.  If both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion.

3.  If the Assertion is true but the Reason is false.

4.  If both the Assertion and the Reason are false.

5.  If Assertion is false but Reason is true.

View Answer  
5
Correct Answer :

If Assertion is false but Reason is true.


Explanation :
No Explanation available for this question

Assertion : Ginger has a prostrate growing rhizome. Reason : Shoot growth is not effected by gravity.

1.  If both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion.

2.  If both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion.

3.  If the Assertion is true but the Reason is false.

4.  If both the Assertion and the Reason are false.

5.  If Assertion is false but Reason is true.

View Answer  
5
Correct Answer :

If both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion.


Explanation :
No Explanation available for this question

Flora and fauna in lake or ponds is :

1.  lentic biota

2.  biotic biota

3.  abiotic biota

4.  field layer

View Answer  
4
Correct Answer :

lentic biota


Explanation :
No Explanation available for this question

Assertion : Natural selection is the outcome of differences in survival and reproduction among individuals that show variation in one or more traits. Reason : Adaptive forms of a given trait tend to become more common; less adaptive ones becomes less common or disappear

1.  If both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion.

2.  If both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion.

3.  If the Assertion is true but the Reason is false.

4.  If both the Assertion and the Reason are false.

5.  If Assertion is false but Reason is true.

View Answer  
5
Correct Answer :

If both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion.


Explanation :
No Explanation available for this question
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