2521: 12 constellations referred to as zodiac are:
(a) Imaginary region that encompass the path of the planets.
(b) Signs of Roman gods.
(c) A group of stars.
(d) None of the above
2522: Consider the following statements regarding the earthquakes :
I. The intensity of earthquake is measured on Mercalli scale.
II. The magnitude of an earthquake is a measure of energy released.
III. Earthquake magnitudes are based on direct measurements of the amplitude of seismic waves.
IV. In the Richter scale, each whole number demonstrates a hundredfold increase in the amount of energy released.
Which of these statements are correct ?
(a) I, II and III
(b) II, III and IV
(c) I and IV
(d) I and III
2523: Given :
Humidity : H
High : A
Wind Velocity : W
Low : B
Temperature : T
The desert cooler is an appropriate cooling device for regions where
(a) HAWATB
(b) HBWBTA
(c) HAWBTB
(d) HAWATA
2524: Other than India and China, which of the following groups of countries border Myanmar ?
(a) Bangladesh, Thailand and Vietnam
(b) Thailand, Laos and Bangladesh
(c) Cambodia, Laos and Malaysia
(d) Thailand, Vietnam and Malaysia
2525: If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because
(a) Propagules of the trees in a rain forest have poor viability
(b) The soil of rain forest is deficient in nutrients
(c) The rain forest species are slow growing
(d) Exotic species invade the fertile soil of rain forest