Previous year MCQs

General science UPPSC 1996 GS-I
Question

What are enzymes basically?

Answer & Solution

Answer: (Detailed Solution Below)

Option C: Proteins

Detailed Solution:

The correct answer is “Proteins”.
Enzymes are specialized proteins that act as biological catalysts, speeding up chemical reactions in living organisms.

Similar Questions:

Which one of the following is associated with 'Albedo'?
  1. A) Transmitting power
  2. B) Absorbing power
  3. C) Emissive power
  4. D) Reflecting power
Sleep apnea IS a serious sleep disorder, in which people:
  1. A) Walk during sleep without knowing what he or she is doing.
  2. B) Sleep with eyelids half open.
  3. C) Briefly and repeatedly stop breathing during sleep.
  4. D) Make loud snoring sound while a sleep.
The substance used as moderator and coolant both, in nuclear reactors is:
  1. A) Ordinary water
  2. B) Heavy water
  3. C) Liquid Ammonia
  4. D) Liquid Hydrogen
Match list-I with list-II and select the correct answer using the code given below:
List-I (Radioisotope) - List-II (Diagnostic use)

A. Arsenic - 74 - 1. Activity of thyroid gland
B. Cobalt - 60 - 2. Blood disorder
C. Iodine-131 - 3. Tumor
D. Sodium-24 - 4. Cancer

Code:
A B C D
  1. A) 1 2 3 4
  2. B) 4 3 1 2
  3. C) 3 4 1 2
  4. D) 4 3 2 1
Which one of the following is a secretion from the body of an insect?
  1. A) Pearl
  2. B) Coral
  3. C) Lac
  4. D) Gum
Which of the following is not a greenhouse gas?
  1. A) Carbon dioxide
  2. B) Methane
  3. C) Oxygen
  4. D) Water vapor
Consider the following statements:

Assertion (A): Space Based Solar Power (SBSP) is considered to be made a national goal.
Reason (R): Supply of SBSP is 99% uninterrupted throughout the year, besides the enormity of energy availability.

Select the correct answers from the codes given below:
Codes:
  1. A) Both A and R are true and R is the correct explanation of A.
  2. B) Both A and R are true, but R is not the correct explanation of A.
  3. C) A is true, but R is false.
  4. D) A is false, but R is true.
Cyanocobalamin is:
  1. A) Vitamin C
  2. B) Vitamin B-2
  3. C) Vitamin B-6
  4. D) Vitamin B-12
Hazrat Muhammad, the prophet, was born in the year:
  1. A) 570 AD
  2. B) 622 AD
  3. C) 642 AD
  4. D) 670 AD
Which of the following is/are used as bio-fertilisers? Select the correct answer from the codes given below:

1. Azolla
2. Blue Green Algae
3. Alfalfa
4. Nitrolim

Codes:
  1. A) 1 and 2
  2. B) 1, 2 and 4
  3. C) 2, 3 and 4
  4. D) 1, 2 and 3
Which of the following is not correctly matched ?
  1. A) Vitramin B6 - Rice Bran
  2. B) Vitamin B2 - Cod-liver oil
  3. C) Vitamin E - Wheat Germ Oil
  4. D) Vitamin K - Alfalafa
Consider the following statement about haemoglobin and select the correct answer from the code given below:

1. It contains iron.
2. It imparts red colour to the blood.
3. It provides immunity against certain diseases.
4. It is a career of oxygen in the blood.

Code:
  1. A) 1, 2 and 3
  2. B) 2, 3 and 4
  3. C) 1, 3 and 4
  4. D) 1, 2 and 4