141) Graphite and heavy water are two common moderators used in a nuclear reactor. The function of the moderator is to
Correct Answer - Option
(B)
No Explanation found. Add Explanation and get +2 points.
22500+ Important MCQs for NDA
22500+ MCQs for NDA are available here. You can learn these questions for your better preparation. Questions are available with its correct answer. You can check the correct answer of any questions by clicking the option or show answer button.
Have a nice day and enjoy learning NDA MCQ Questions.
Learn NDA MCQs with answers [Page 15 of Department 57]
142) Human blood contains --- percentage of plasma.
Correct Answer - Option
(D)
Explanation :
Human blood is composed of approximately 55-65% plasma, which is the liquid component of blood. Plasma consists of water, proteins, nutrients, hormones, and waste products.
Why other options are incorrect:
- (A) 40% – Too low; plasma makes up more than this.
- (B) 35% – Also too low; plasma is about 55-65% of blood.
- (C) 50% – While plasma could be around this percentage in some cases, it generally ranges from 55-65%.
143) Green plants evolve oxygen during the day rather than carbon dioxide. This means that:
Correct Answer - Option
(A)
No Explanation found. Add Explanation and get +2 points.
144) Which of the following nitrogenous excretory products can be excreted in solid form?
Correct Answer - Option
(C)
No Explanation found. Add Explanation and get +2 points.
145) For a solution of volatile liquids, the partial vapour pressure of each component in solution is directly proportional to its
Correct Answer - Option
(A)
No Explanation found. Add Explanation and get +2 points.
146) Consider the terms in lists 1 and 2 below. List I (Types of rocks) List II (Rocks)
1.Chalk A. Sendimentary
2.Granite B. Metamorphic
3.Marble C. Igneous
4.Dolomite D. Organic
Correct Codes are: A B C D
Correct Answer - Option
(C)
No Explanation found. Add Explanation and get +2 points.
147) The only movable bone in the skull is
Correct Answer - Option
(B)
No Explanation found. Add Explanation and get +2 points.
148) Summer rains in Australia broadly decreases from
Correct Answer - Option
(C)
No Explanation found. Add Explanation and get +2 points.
149) Who of the following discovered the laws of planetary orbits?
Correct Answer - Option
(C)
No Explanation found. Add Explanation and get +2 points.
150) The largest irrigated area in India is occupied by
Correct Answer - Option
(B)
No Explanation found. Add Explanation and get +2 points.
You are learning MCQ Questions of NDA Department : 57 | Page : 15
Jump to