1766: The heater element in an electric iron is made of:
(a) Nichrome
(b) Tungsten
(c) Copper
(d) Iron
1767: Assertion (A): Muhammad bin Tughlaq issued a new gold coin which was called Dinar by Ibn Batutah.
Reason (R) : Muhammad bin Tughlaq wanted to issue token currency in gold coins to Promote trade with West Asian and North African countries.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually 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
1768: What is the correct order of happenings of the following three events in the British rule in India?
I. Rowlatt Act
II. Hunter Report
III. Jallianwallah Bagh Tragedy
(a) I, II, III
(b) II, I, III
(c) III, II, I
(d) II, III, I
1769: Examine the following relationships among members of a family of six persons A, B, C, D, E and F.
I. The number of males equals that of females.
II. A and E are sons of F.
III. D is the mother of two, one boy and one girl.
IV. B is the son of A.
V. There is only one married couple in the family at present.
Which one of the following inferences can be drawn from the above ?
(a) A, B and C are all females
(b) A is the husband of D
(c) E and F are children of D
(d) D is the grand-daughter of F
1770: Assertion
Carbon dioxide in air is necessary for sustaining life
Reason
Carbon dioxide is assimilated in carbohydrates in photosynthesis
(a) if A and R both are correct and R is the correct explanation of A
(b) if A and R both are correct but R is not the correct explanation of A
(c) if A is correct and R is incorrect
(d) if A is incorrect and R is correct