Exams


Q:

Photosynthesis fulfills which of the following requirements of the autotrophic organisms?

I. Carbon

II. Water

III. Energy

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

Explanation:
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Filed Under: Biology
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Q:

The APGAR scale measures the

the apgar scale measures the

A) heart rate B) muscle tone
C) respiration D) all the above
 
Answer & Explanation Answer: D) all the above

Explanation:

The Apgar score is a measure of a baby's condition after birth. Elements of the Apgar score include color, heart rate, reflexes, muscle tone, and respiration.

 

 

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Filed Under: Biology
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Q:

Seismography : Earthquake :: Taseometer : ?

A) Landslides B) Strains
C) Resistances D) Volcanoes
 
Answer & Explanation Answer: B) Strains

Explanation:

Seismography is an instrument to measure the intensity of an earthquake.

Similarly, taseometer is an instrument to measure strains.

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Filed Under: Analogy
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Q:

What enables an electric current to flow in a circuit?

 

A) The motion of electrons B) The motion of neutrons
C) The motion of positrons D) The motion of protons
 
Answer & Explanation Answer: A) The motion of electrons

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Filed Under: Chemistry
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Q:

Statement :

The byproducts obtained from animals such as hairs, skins, horns, etc. contain at least 45 per cent food protein. Indian scientists have developed methods to segregate 50 per cent of this protein. They have used an enzyme developed in Russia for destruction of soya-proteins.

Conclusions:

A. Indian scientists cannot develop enzymes.

B. If a suitable method involving less cost is developed then many more food protein would be obtained.

A) Only A follows B) Only B follows
C) Neither A nor B follows D) Both A & B follows
 
Answer & Explanation Answer: C) Neither A nor B follows

Explanation:

There is no indication that Indian scientists are incapable of developing enzymes. There could be any number of reasons why Indian scientists used Russian enzymes.

So conclusion A does not follow.

In addition, cost is not discussed in the passage at all. There is no mention of a correlation between cost and extraction of proteins.

Thus, conclusion B does not follow either.

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Filed Under: Statement and Conclusions
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Q:

Transpiration in plants does helps in which of the following?

 

A) Absorption and upward movement of water B) Absorption and upward movement of minerals dissolved in water  
C) Temperature regulation D) All options are correct
 
Answer & Explanation Answer: D) All options are correct

Explanation:
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Filed Under: General Science
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Q:

Which animal gives both milk and eggs?

A) Echidna B) Platypus
C) Wombat D) All of the above
 
Answer & Explanation Answer: B) Platypus

Explanation:

Platypus is the animal that gives both milk and eggs.

Which_animal_gives_both_milk_and_eggs1548849490.jpg image

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Filed Under: General Awareness
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Q:

Calculate the area (in sq.cm) of a circle whose diameter is 14 cm.

 

A) 154 B) 308
C) 224 D) 448
 
Answer & Explanation Answer: A) 154

Explanation:
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Filed Under: Area
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