276: 6 equiddistant vertical lines are drawn on a board. 6 equidistant horizontal line are also drawn on the board cutting the 6 vertical lines, and the distance between any two consecutive horizontal lines is equal to that between any two consecutive vertical lines. What is maximum number of squares thus formed ?
(A) 56
(B) 44
(C) 37
(D) 55
277: Insolation refers to:
(a) Restraining the flow of electric current
(b) Restraining the flow of water
(c) Exposure to the rays of sun
(d) Exposure to the light
278: Which of the following is a living fossil?
(a) Blue green algae
(b) Green algae
(c) Fungus
(d) Ginkgo
279: Consider the following statements:
1. In tropical regions, Zika virus disease is transmitted by the same mosquito that transmits dengue.
2. Sexual transmission of Zika virus disease is possible.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
280: The following are the major oilseeds produced in India :
I. Sesamum
II. Mustard
III. Groundnut
IV. Soyabean
Which one of the following is the correct sequence of the descending order of the quantity of their production ?
(a) I, II, III, IV
(b) III, II, IV, I
(c) II, IV, III, I
(d) III, IV, II, I