Questions

Q:

A sarcomere is best described as a

 

A) fixed structural unit within a myofibril bounded by Z lines. B) moveable structural unit within a myofibril bounded by H zones.
C) moveable structural unit within a myofibril bounded by Z lines. D) fixed structural unit within a myofibril bounded by A bands.
 
Answer & Explanation Answer: C) moveable structural unit within a myofibril bounded by Z lines.

Explanation:
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Q:

Country completely surrounded by South Africa?

 

A) Kingdom of Lesotho B) Nagoya
C) Republic of Korea D) Osaka
 
Answer & Explanation Answer: A) Kingdom of Lesotho

Explanation:
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Q:

Which one of the following organisms is dependent on saprophytic mode of nutrition?

 

A) Agaricus B) Ulothrix
C) Riccia D) Cladophora
 
Answer & Explanation Answer: A) Agaricus

Explanation:

Saprophytic fungi feed on dead plant and animal remains. Many are extremely beneficial, breaking down this organic material into humus, minerals and nutrients that can be utilised by plants. Agaricus is one among them.

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Q:

The primary motor cortex is located in the

 

A) frontal lobe B) temporal lobe
C) occipital lobe D) Parietal lobe
 
Answer & Explanation Answer: A) frontal lobe

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Q:

Which of the following statement(s) is/are INCORRECT?

I. Alkenes are fairly unreactive.

II. Alkenes burn with blue flame.

III. Alkanes burn with yellow flame.

 

A) Only I and II B) Only I and III
C) Only II and III D) All I, II and III
 
Answer & Explanation Answer: D) All I, II and III

Explanation:
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Q:

Tripping is associates with

 

A) Snooker B) Volleyball
C) Football D) Cricket
 
Answer & Explanation Answer: C) Football

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Q:

Arrange the following ina proper sequence.

A. Mutation

B. Reproductive isolation

C. Natural selection

D. Evolution

 

A) D,C,B,A B) C,B,A,D
C) A,C,D,B D) A,B,C,D
 
Answer & Explanation Answer: D) A,B,C,D

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Q:

Which of the following group does NOT follow Newlands Law of Octaves?

 

A) Li, Na B) Be, Mg  
C) C, Si   D) Mn, Hg
 
Answer & Explanation Answer: D) Mn, Hg

Explanation:
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