Choose The Correct Answer
Q.5 Which one is not the basic elements of environment ?
(A) land (B) Water
(C) Irrigation
Q.6 The share of land on the surface of the earth is about-
(A) 29 percent (B) 39 percent
(C) 71 percent
Q.7 Which of the following areas are not sparsely populated ?
(A) Marshlands (B) River valleys
(C) Cold deserts
Q.8 Which of the following countries has the largest area (percentage) under the forests ?
(A) Brazil (B) Russia
(C) Canada
Q.9 The state of waterbodies on the surface of the earth is about
(A) 71 percent (B) 61 percent
(C) 29 percent
Q.10 Out of the horizons A, B, C and D of soil, which from the true soil ?
(A) A and D (B) A and C
(C) A and B
Q.11 How much percent of the earth's total water is in oceans and seas ?
(A) 97 (B) 81
(C) 79 (D) 91
Q.12 How many countries are likely to face water scarcity by 2025 ?
(A) 26 (B) 56
(C) 65 (D) 62
Q.13 In dry regions, soil erosion is checked by
(A) Shelter belts
(B) Strip cropping
(C) Plugging of gullies
(D) Contour plugging
Q.14 Soil formation is controlled by-
(A) Time
(B) Organism in the soil
(C) Neither (A) & (B)
(D) Both (A) & (B)
Q.15 What is the percent of fresh water available as ground water ?
(A) 2.7 % (B) 3.5 %
(C) 1 % (D) 2 %
Q.16 The consumption of water by human in 1975 was 3850cu km/year, how much it was raised in 2000 ?
(A) 4850cu km/year (B) 5000cu km/year
(C) 5500cu km/year (D) 6000cu km/year
Uploaded byTarun Sharma View Answer