3166: Khaira is a plant disease caused due to the deficiency of:
(a) Iron
(b) Carbon
(c) Zinc
(d) None of the above
3167: In the context of the Indian freedom struggle, 16th October 1905 is well known for which one of the following reasons?
(a) The formal proclamation of Swadeshi Movement was made in Calcutta town hall
(b) Partition of Bengal took effect
(c) Dadabhai Naoroji declared that the goal of Indian National Congress was Swaraj
(d) Lokmanya Tilak started Swadeshi Movement in Poona
3168: Assertion (A):
According to statistics, more female children, are born each year than male children in India.
Reason (R):
In India, the death rate of a male child is higher than that of the female child.
(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 a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
3169: Which one of the following laser types is used in a laser printer ?
(a) Dye laser
(b) Gas laser
(c) Excimer laser
(d) Semiconductor laser
3170: The colour of a star is an indication of its
(a) distance from the sun
(b) luminosity
(c) distance from the earth
(d) temperature