NDA GENERAL SCIENCE QUIZ

Question 1:

What is the pressure exerted by a column of mercury 760 mm high at 0°C?

1 atm

1 pascal

1 bar

1 poise

Question 2:

The value for the speed of light in vacuum is

$3 \times 10^{8} \mathrm{~km} / \mathrm{s}$

$3 \times 10^{5} \mathrm{~km} / \mathrm{s}$

$3 \times 10^{11} \mathrm{~km} / \mathrm{s}$

$9 \times 10^{8} \mathrm{~km} / \mathrm{s}$

Question 3:

If the value of a fuse is 8A, then:

Fuse will start working only when the current is more than 8A.

The fuse will have a magnetic induction of more than 8A.

The fuse will melt if the current exceeds 8A.

Fuse will work only when current is exactly 8A.

Question 4:

The focal length of a convex mirror is _______.?

zero

infinite

negative

positive

Question 5:

Urea is a nitrogen-release fertilizer. It contains

50% nitrogen

46% nitrogen

35% nitrogen

50% nitrogen

Question 6:

Which of the following was the first organic compound synthesized in laboratory?

Sulphuric acid

Urea

Vinegar

Ammonium chloride

Question 7:

In saturated hydrocarbons:

There is a triple bond between two carbon atoms.

There is a double bond between two carbon atoms.

There is a single bond between the carbon atoms.

There is an ionic bond between two carbon atoms.

Question 8:

The vaccine of which of the following diseases was not included in the Expanded Programme on Immunization (EPI) initiated by the Government of India?

Polio

Diphtheria

Measles

Tuberculosis

Question 9:

Haemophilia is a genetic disorder, which of the following factors is responsible for this disorder ?

Sex chromosome

Thromboplastin

Chromosome 21

Chromosome 18

Question 10:

Which theory of evolution is based on the idea that all species gradually change over time?

Darwinism

Lamarckism

Mutationism

None of these