11: Consider the following statements :
1. In equatorial regions, the year is divided into four main seasons
2. In Mediterranean region, summer receives more rain
3. In China type climate, rainfall occurs throughout the year
4. Tropical highlands exhibit vertical zonation of different climates
Which of these statements are correct ?
(a) 1, 2, 3 and 4
(b) 1, 2 and 3
(c) 1, 2 and 4
(d) 3 and 4
Explanation:
Only 3, 4 are correct. Because - in equatorial regions there is no clear distinction of main seasons. In Mediterranean area there is rainfall during the winter but not in summer.
12: The standard time of the following countries is ahead or behind Greenwich Mean Time depending on whether they are east or west of the longitude passing through Greenwich :
I. Cuba
II. Greece
III. Iraq
IV. Costa Rica
V. Japan
Which one of the following sequential orders gives the correct arrangement of the countries according to their standard time from ahead to behind GMT?
(a) V, III, II, I, IV
(b) II, IV, I, III, V
(c) IV, I, III, II, V
(d) III, V, IV, I, II
Explanation:
The Greenwich line which passes through London is called Prime Meridian. It is 0 degree longitude. The countries which lies east of the Prime Meridian has their standard time ahead of the Greenwich Mean Time, and which lies west of the Prime Meridian has their standard time behind the Greenwich Mean Time. Accordingly from East to West, the order of the given countries is Japan, Iraq Greece, Cuba and Costa Rica.
13: Which of the following pairs is incorrect?
(a) Nagarjunasagar : Andhra Pradesh
(b) Tungabhadra : Andhra Pradesh and Karnataka
(c) Farakka : West Bengal
(d) Kosi : Gujarat
14: Which of the following statements is true?
(a) Both salinity and density of sea increase with depth
(b) Both salinity and density of sea decrease with depth
(c) Salinity increases but density of sea decreases with depth
(d) Salinity decreases but density of sea increases with depth
15: Consider the following statements
1. India is the original home of the cotton plant.
2. India is the first country in the world to develop hybrid cotton variety leading to increased production.
Which of these statements is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2