What used to be described as Nissl granules in a nerve cell are now identified as

1.  Ribosomes

2.  Mitochondria

3.  Cell metabolites

4.  Fat granules

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4
Correct Answer :

Ribosomes


Explanation :
No Explanation available for this question

Which one of the following contains the largest quantity of extracellular material

1.  Stratified epithelium

2.  Myelinated nerve fibres

3.  Striated muscle

4.  Areolar tissue

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4
Correct Answer :

Areolar tissue


Explanation :
No Explanation available for this question

Which endangered animal is the source of the world's finest, lightest, warmest and most expensive wool — the shahtoosh

1.  Kashmiri goat

2.  Chiru

3.  Nilgai

4.  Cheetal

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4
Correct Answer :

Chiru


Explanation :
No Explanation available for this question

In the genetic code dictionary, how many codons are used to code for all the 20 essential amino acids

1.  61

2.  60

3.  20

4.  64

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4
Correct Answer :

61


Explanation :
No Explanation available for this question

Degeneration of a genetic code is attributed to the :

1.  entire codon

2.  third member of a codon

3.  first member of a codon

4.  second member of a codon

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4
Correct Answer :

third member of a codon


Explanation :
No Explanation available for this question

Which one of the following concerns photophosphorylation

1.  ADP + Inorganic PO4 → ATP

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

Two 220 V, 100 W bulbs are connected first in series and then in parallel. Each time the combination is connected to a 220 V AC supply line. The power drawn by the combination in each case respectively will be

1.  200 W, 50 W

2.  50 W, 200 W

3.  50 W, 150W

4.  150 W, 50 W

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4
Correct Answer :

50 W, 200 W


Explanation :
No Explanation available for this question

In a Wheatstone's bridge all the four arms have equal resistance R. If the resistance of the galvanometer arm is also R, the equivalent resistance of the combination as seen by the battery is

1.  R

2.  2R

3.  4R

4.  R/2

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4
Correct Answer :

R


Explanation :
No Explanation available for this question

An electric kettle has two heating coils. When one of the coils is connected to an AC source, the water in the kettle boils in 10 min. When the other coil is used the water boils in 40 min. If both the coils are connected in parallel, the time taken by the same quantity of water to boil will be

1.  2 min

2.  4 min

3.  8 min

4.  16 min

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4
Correct Answer :

8 min


Explanation :
No Explanation available for this question

An electron is moving round the nucleus of a hydrogen atom in a circular orbit of radius r. The coulomb force between the two is : (where k = (1/4πε0))

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question
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