Correct Marks 2
Incorrectly Marks -0.5
Q 1. Assertion (A) : Vitamins are nutrients required in small quantities for good health.
Reason (R ) : Vitamins help to maintain a healthy body by killing harmful bacteria.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A..
A is true but R is false.
A is false but R is true.
Correct Marks 2
Incorrectly Marks -0.5
Q 2. Assertion (A) : Radio does not work in a moving train unless aerial is put outside the window.
Reason (R ) : Train compartment acts as a hollow cylinder and charge is centred which does not allows a radio to work.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A..
A is true but R is false.
A is false but R is true.
Correct Marks 2
Incorrectly Marks -0.5
Q 3. Assertion (A) : Transfer of genetic information from one generation to the next is accomplished by DNA.
Reason (R) : DNA is fundamentally an antigen antibody reaction.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Correct Marks 2
Incorrectly Marks -0.5
Q 4. Assertion (A) : Some plants flower only during spring season.
Reason (R ) : Day length affects flowering in plants.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A..
A is true but R is false.
A is false but R is true.