RRB NTPC EXAM Study Notes General Awareness Part 6 #RRB #NTPC

1. A cricketer lowers his hands while catching the ball which saves him from injury because of

A. conservation of momentum B. conservation of energy C. Newton’s third law of motion

D. Newton’s second law of motion

ANS:A. conservation of momentum

2. Which one of the following properties of glass is used in green house to trap heat on a sunny day?

A. it obstruct the short wave infrared radiation emitted by very hot objects.

B. it is transparent to short wave radiation but obstruct long wave infrared radiation.

C. it obstruct the short wave infrared radiation emitted by very hot objects. D. None of the above

ANS:B. it is transparent to short wave radiation but obstruct long wave infrared radiation

3. Which of the following is the unit of Pressure?

A. Pascal B. Lux C. Joule D. Newton

ANS:A. Pascal

4. The length of the pendulum that takes 1 sec too swing in each direction is about

A. 69 cm B. 99 cm C. 112 cm D. 137 cm

ANS:B. 99 cm

5. The process of removing calcium and magnesium from hard water is known as

A. Water softening B. Sedimentation C. Filtration D. Flocculation

ANS:A. Water softening

6. The instrument used to see the distant objects on the Earth is

A. Terrestrial telescope

B. Astronomical telescope

C. Compound microscope

D. Simple microscope

ANS:A. Terrestrial telescope

7. Which one of the following pairs is correct matched

A. Duodenum – Pancreas

C. Mouth – Salivary glands

B. Stomach – Gastric glands

D. All of the above

ANS:D. All of the above

8. The swing of a spinning cricket ball in the air can be explained on the basis of

A. Bernoulli’s theorem B. buoyancy of air C. turbulence caused by wind D. sudden change in wind direction

ANS:A. Bernoulli’s theorem

9. The study of the interaction of antigens and anti-bodies is called

A. hematology B. argiolgy C. cryobiology D. serology

ANS:D. serology

10. Which of the following statements are NOT true about proteins

1. Protein is a complex organic compound of carbon hydrogen, oxygen and nitrogen.

2. It is a long chain molecule composed of amino acids joined by peptide bonds.

3. Proteins does not provide energy.

4. Vegetables proteins are found in cheese, eggs, fish, meat and milk.

A. 1,2

B. 3,4

C. 1,

3 D.

All are true

ANS:B. 3,4