1876: On a half-moon night the angle between the moon and the sun when measured from earth is about
(a) 45°
(b) 60°
(c) 90°
(d) 180°
1877: Most of the desert plants bloom during night time because
(a) their blooming is controlled by low temperature
(b) they are sensitive to the phases of moon
(c) the desert insects eat away flowers during day time
(d) the desert insects are active during night time
1878: "Each day is more or less the same, the morning is clear and bright with a sea breeze; as the Sun climbs high in the sky, heat mounts up, dark clouds form, then rain comes with thunder and lightning. But rain is soon over." Which of the following regions is described in the above passage?
(a) Savannah
(b) Equatorial
(c) Monsoon
(d) Mediterranean
1879: Foot-and-Mouth disease in animals, a current epidemic in some parts of the world, is caused by
(a) Bacterium
(b) Fungus
(c) Protozoan
(d) Virus
1880: Malaria fever is caused
(a) Immediately after mosquito bite
(b) Upon disintegration and bursting of red blood cells
(c) When the malaria causing germs reach the liver
(d) Upon release of toxins into blood