Topics

Assertion (A) : Some birds eat small stones with the grains.
Reason (R ) : The stones eaten by birds accumulate in the gizzard and facilitate the grinding process and thus help digestion.


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

B) Both A and R are true but R is not the correct explanation of A..

C) A is true but R is false.

D) A is false but R is true.

Correct Answer:
A) Both A and R are true and R is the correct explanation of A.


Part of solved Assertions and Reasons questions and answers : >> General Science >> Assertions and Reasons




Comments
No comments available




Similar Questions
1). Assertion (A) : If the earth did not have an atmosphere, its average surface temperature would be lower than what it is.
Reason (R ) : The ozone layer in the atmosphere absorbs the ultraviolet radiation.
A). Both A and R are true and R is the correct explanation of A.
B). Both A and R are true but R is not the correct explanation of A..
C). A is true but R is false.
D). A is false but R is true.
-- View Answer
2). Assertion (A) : A gas thermo0meteer is more sensitive than a liquid thermometer.
Reason (R ) : Gases can be heated to high temperatures whereas liquids vaporise at a particular temperature.
A). Both A and R are true and R is the correct explanation of A.
B). Both A and R are true but R is not the correct explanation of A..
C). A is true but R is false.
D). A is false but R is true.
-- View Answer
3). Assertion (A) : When light travels from a denser to a rarer medium, it loses speed but not energy.
Reason (R ) : Energy carried by a wave depends on the amplitude and not the speed of wave propagation.
A). Both A and R are true and R is the correct explanation of A.
B). Both A and R are true but R is not the correct explanation of A..
C). A is true but R is false.
D). A is false but R is true.
-- View Answer
4). Assertion (A) : It is easier to start a car engine one a warm day that on a chilly day.
Reason (R ) : The internal resistance of a car battery increases with increase in temperature.
A). Both A and R are true and R is the correct explanation of A.
B). Both A and R are true but R is not the correct explanation of A..
C). A is true but R is false.
D). A is false but R is true.
-- View Answer
5). Assertion (A) : Catalytic convertors are specifically for use in automobiles using leaded petrol.
Reason (R ) : Catalytic converters convert harmful exhaust gases into carbon dioxide, steam and nitrogen.
A). Both A and R are true and R is the correct explanation of A.
B). Both A and R are true but R is not the correct explanation of A..
C). A is true but R is false.
D). A is false but R is true.
-- View Answer


6). Assertion (A) : The growth of rice plant is better when it is cultivated along with blue-green algae.
Reason (R ) : Blue-green algae increase the soil fertility through nitrogen fixation.
A). Both A and R are true and R is the correct explanation of A.
B). Both A and R are true but R is not the correct explanation of A..
C). A is true but R is false.
D). A is false but R is true.
-- View Answer
7). Assertion (A) : The nucleus is the central dense part of an atom.
Reason (R ) : The nucleus is composed of positively charged protons and negatively charged electrons.
A). Both A and R are true and R is the correct explanation of A.
B). Both A and R are true but R is not the correct explanation of A..
C). A is true but R is false.
D). A is false but R is true.
-- View Answer
8). Assertion (A) : Woollens keep us warm.
Reason (R ) : Wool fibres are made of a particular protein which is a bad conductor of heat.
A). Both A and R are true and R is the correct explanation of A.
B). Both A and R are true but R is not the correct explanation of A..
C). A is true but R is false.
D). A is false but R is true.
-- View Answer
9). 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). Both A and R are true and R is the correct explanation of A.
B). Both A and R are true but R is not the correct explanation of A..
C). A is true but R is false.
D). A is false but R is true.
-- View Answer
10). Assertion (A) : Natural selection maintains and propagates the beneficial genes while limiting harmful ones in a particular environment.
Reason (R ) : There are genes which are responsible for the production of beneficial characters while others are harmful.
A). Both A and R are true and R is the correct explanation of A.
B). Both A and R are true but R is not the correct explanation of A..
C). A is true but R is false.
D). A is false but R is true.
-- View Answer
Home About Us Terms and Conditions Privacy Policy Contact us