Quiz 477 – GS Practice Paper (Science and Tech)

1. Assertion (A): Fatty acids should be a part of the balanced human diet.

Reason (R): The cells of the human body cannot synthesize any fatty acids.

(a) A and R are true and R is the correct explanation of A.

(b) A and R are true but R is the not correct explanation of A.

(c) A is true but R is false.

(d) A is false but R is true.


 

2. Which of the following pairs is not correctly matched?

(a) Godfrey Hounsfield – CT Scan

(b) Gregor Mendel – Hereditary Theory

(c) Harlow Shapley – Astronomy

(d) Messner – Computer Technology


 

3. Consider the following statements:

  1. ‘Athlete’s foot’ is a disease caused by virus.
  2. Cholera is a disease caused by bacteria.
  3. Femur is the longest bone in the human body.

Which of the statements given above are correct?

(a) Only 1

(b) Both 1 and 2

(c) Both 1 and 3

(d) All of these


 

4. Which one of the following statement is not correct?

(a) Vitamin-A (retinol) deficiency leads to dry and scaly skin

(b) Vitamin-B1 (thiamine) deficiency can lead to heart failure.

(c) Milk contains none of the B-vitamins.

(d) One of the symptoms of scurvy is pain in the joints.


 

5. Assertion (A): Human diet should compulsorily contain Glycine, Serine and Tyrosine.

Reason (R): Essential amino acids cannot be synthesized in the human body.

(a) A and R are true and R is the correct explanation of A.

(b) A and R are true but R is the not correct explanation of A.

(c) A is true but R is false.

(d) A is false but R is true.


 

6. Assertion (A): With the increase of temperature, the viscosity of glycerin increases.

Reason (R): Rise of temperature increases kinetic energy of the molecules.

(a) A and R are true and R is the correct explanation of A.

(b) A and R are true but R is the not correct explanation of A.

(c) A is true but R is false.

(d) A is false but R is true.


 

7. Most of the explosions in mines occur due to the mixing of

(a) Carbon dioxide with ethane

(b) Methane with air

(c) Oxygen with acetylene

(d) Hydrogen with oxygen


 

8. The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by

(a) The accumulation of lactic acids

(b) The depletion of glucose

(c) Minor wear and tear of muscle fibres

(d) A decrease in the supply of oxygen


 

9. Which of the following pairs of metals constitute the lightest metal and the heaviest metal, respectively?

(a) Aluminium and Mercury

(b) Aluminium and Osmium

(c) Lithium and Osmium

(d) Lithium and Mercury


 

10. Consider the following factors:

  1. Conversion
  2. Eutrophication
  3. Encroachment
  4. Fragmentation

Which of the above factors are responsible for wetland degradation?

(a) Both 1 and 3

(b) 1, 3 and 4

(c) 2, 3 and 4

(d) All of these


 

Answers:

  1. (c)
  2. (d)
  3. (c)
  4. (b)
  5. (d)
  6. (c)
  7. (b)
  8. (a)
  9. (c)
  10. (d)

Also Read:

Quiz 476 – GS Practice Paper (Polity)

Quiz 475 – GS Practice Paper (History)

Quiz 473 – Practice Paper (Indian Polity)

Quiz 472 – Practice Paper (Science)

3 COMMENTS

  1. A lot of thanks sir. U are doing very good. Keep it up. And please provide answers along with single question instead of end of the quiz. It will save time wasted in scrolling up and down.
    Again a lot of thanks.

  2. Question 3. all the options (a),(b),(c),(d) are wrong and there is no currect answer.
    (1) is wrong (athlete’s foot medically known as tenia pedis is caused by fungus and not bacteria.
    (2)is correct.
    (3)is correct.

Comments are closed.