Question

Assertion and Reason Type Questions
Directions (Q.17 to Q. 20): In the following questions, a statement of assertion (A) is followed by
of reason (R). Mark the correct choice as
(a) If, Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of
(b) It. Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of
(A)
(C) It Assertion (A) is true but reason (R) is false,
(d) II. Assertion (A) is false but reason (R) is true.
17. Assertion : Exocrine glands secrete their products into a duct.
Reason: Thyroid, adrenal, and pituitary are examples of exocrine glands.
18. Assertion : Character which can be observed or which is visible is called a phenotype.
Reason: If we consider the height of an organism, the phenotype may be tall or dwarf (shor
19. Assertion : Metals are good conductors of electricity.
Reason: Metals have low resistivity and have free electrons.
20. Assertion : Coliform is a group of bacteria found in human stomach.
Reason: Presence of coliform in water indicates contamination by disease causing me
organisms​

Answer 1

17. ( c ) Assertion is true , but reason is false because the are expels of endocrine glands .

18. ( a ) Both are correct.

19. ( a ) Both are correct

20. ( b ) Both are correct but the reason is not the correct explanation of assertion .

Answer 2

ur answer

17. c)

18.a)

19.a)

20.b)