MCQs
Total Questions : 137
| Page 1 of 14 pages
Answer: Option B. -> (b) only
:
B
Option:(b)
:
B
Option:(b)
Answer: Option A. -> (a), (b) and (c)
:
A
Option: (a)
:
A
Option: (a)
Answer: Option C. -> 3 4 2 1
:
C
Option:(c)
:
C
Option:(c)
Question 4. A system is commonly defined as a group of interacting units or elements that have a common purpose. We call a system as a closed one, when it
(a) has no proper order
(b) exchanges materials with surroundings
(c) does not exchange materials with surroundings
(d) is constantly changing in composition
(a) has no proper order
(b) exchanges materials with surroundings
(c) does not exchange materials with surroundings
(d) is constantly changing in composition
Answer: Option B. -> (b) only
:
B
Option: (b)
:
B
Option: (b)
Answer: Option C. -> Sodium
:
C
Option: (c)
:
C
Option: (c)
Answer: Option A. -> (a) and (b)
:
A
Option: (a)
:
A
Option: (a)
Answer: Option B. -> 3 4 1 2
:
B
Option: (b)
:
B
Option: (b)
Answer: Option C. -> rocket technology
:
C
Option: (c)
:
C
Option: (c)
Question 9. Match List I and List II and select the correct answer by using the codes given below the lists.
List I List II
A. Natural gas 1. Protein found in the outer layer of the human skin
B. Mustard gas 2. Solid carbon dioxide
C. Keratin 3. Poisonous liquid used in chemical warfare
D. Dry ice 4. A mixture of gases occurring in pockets below the earth's surface
List I List II
A. Natural gas 1. Protein found in the outer layer of the human skin
B. Mustard gas 2. Solid carbon dioxide
C. Keratin 3. Poisonous liquid used in chemical warfare
D. Dry ice 4. A mixture of gases occurring in pockets below the earth's surface
Answer: Option C. -> 4 3 1 2
:
C
Option:(c)
:
C
Option:(c)
Answer: Option C. -> 4 3 2 1
:
C
Option: (c)
:
C
Option: (c)