Q:

What type of macromolecule is an enzyme?

A) Proteins	B) Saturated fats
C) Phospholipids	D) Lipids

Answer & Explanation Answer: A) Proteins

Explanation:

Enzymes are protein macromolecules. Enzymes are almost always made of proteins only. Proteins are large biopolymer molecules that are made up of repeating monomer units called amino acids. There are 20 different common amino acids that make up proteins like enzymes. Of these, nine amino acids are essential, which means you must get them from your diet.

Enzymes catalyze chemical reactions in biological systems. This means that they speed up the rate of the reaction.

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Q:

A supertype/subtype hierarchy has which of the following features?

A) Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype.	B) Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype.
C) Attributes are assigned at the highest logical level.	D) Attributes are assigned at the lowest logical level.

Answer & Explanation Answer: C) Attributes are assigned at the highest logical level.

Explanation:

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Q:

Guess the Hiding Letter ?

19113839_1330685610371873_3858733463247627315_n1499402539.jpg image

A) D	B) K
C) L	D) G

Answer & Explanation Answer: D) G

Explanation:

Starting from letter 'S' add 5 in the clock wise direction to get the next letter in English alphabets.

Here S + 5 => 19 + 5 = 24 => X

X + 5 = 24 + 5 = 3 => C

Similarly,

B + 5 = G

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Q:

Alloy of copper and zinc is called

A) Bronze	B) Gold
C) Silver	D) Brass

Answer & Explanation Answer: D) Brass

Explanation:

alloy_of_copper_and_zinc_is_called1556100441.jpg image

Alloy of copper and zinc is called as Brass.

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Q:

ICRA Refers to

A) Indian Credit Rating Agency	B) Investment Creation Rationing Authority
C) Investment Credit Rating Agency	D) Indian Cricket Renaissance Association

Answer & Explanation Answer: C) Investment Credit Rating Agency

Explanation:

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Q:

A cyclist leans inwards when he is negotiating a curve so that

A) he may increase his speed	B) his weight may be reduced
C) necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion.	D) no frictional force may be produced between the wheels and the axle

Answer & Explanation Answer: C) necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion.

Explanation:

No circular or curved motion is possible without providing the necessary centripetal force. (C) provides this and so is the answer.

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Q:

Cellular respiration is best associated with the

A) microtubule	B) ribosome
C) Golgi apparatus	D) mitochondrion

Answer & Explanation Answer: D) mitochondrion

Explanation:

Cellular respiration is best associated with the organelle Mitochondrion.

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Q:

The neighouring country of India which has the smallest area is

A) Bhutan	B) Nepal
C) Sri Lanka	D) Bangladesh

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