Q1. Increase in the vegetation cover is an effective way to arrest ____________ disaster.
Q2. Mosses and lichens are part of____________ kinds of vegetation.
Q3. The International convention CITES, prohibits the trade of ___________ .
Q4. ____________country with the highest percentage of land under cropland.
Q5. ____________are included in wild life.
Q6. Animals are poached for illegal trading for their ____________,_________ and __________ .
Q7. ______________irrigation is highly effective in the dry region.
Q8. _______________ method of farming can reduce soil erosion caused due to wind.
Q9. Explain how contour barriers are built?
Q10. Explain any four methods to conserve soil.
Q11. ‘Water is a renewable resource as it moves within the hydrological cycle’. Explain the statement.
Q12. What is the difference between private land and community land? What are community lands also known as?
Q13.A Case Stu
Answers
Answer:
. The valleys which drain in the same direction as the original consequent drainage but at the lower topographic levels and have developed with respect to new base levels are known as
(A) Resequent
(B) Obsequent
(C) Insequent
(D) Subsequent
Answer: (A)
2. The concept of ‘base level erosion’ was proposed by
(A) Davis
(B) Malott
(C) Johnson
(D) Powell
Answer: (D)
3. Given below are the two statements, one labelled as Assertion (A) and the other labelled as Reason (R).
Assertion (A): The velocity of moving ice increases with steepness of slope of the area and thickness of glacial ice.
Reason (R): The velocity decreases to the sides owing to lesser depth of ice and friction against the valley walls and the bottom floor.
In the context of the above two statements, which one of the following is correct?
(A) Both (A) and (R) are true and (R) is the correct explanation of (A).
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(C) (A) is true, but (R) is false.
(D) (A) is false, but (R) is true.
Answer: (B)
4. The normal cycle of erosion is associated with
(A) Marine erosion
(B) Wind erosion
(C) River erosion
(D) Glacial erosion
Answer: (C)
5. Which of the following groups of scholars stressed the role of lateral erosion by streams in the formation of pediments?
(A) Mc. Gee, Paige, Blackwelder
(B) Mc Gee, Blackwelder, Johnson
(C) Paige, Blackwelder, Johnson
(D) Paige, Johnson, Lawson
Answer: (C)
6. Which of the following is not a topographic evidence of rejuvenation in landscape?
(A) Incised meanders
(B) Structural benches
(C) Paired valley terraces
(D) Multi-cyclic valley
Answer: (B)
7. Match list-I with list-II and select the correct answer from the codes given below:
List – I List – II
(a) Loess (i) river deposit
(b) Moraines (ii) glacial deposit
(c) Gravels (iii) wind deposit
(d) Silt (iv) marine deposit
Codes :
(a) (b) (c) (d)
(A) (i) (ii) (iv) (iii)
(B) (iii) (ii) (iv) (i)
(C) (iv) (i) (iii) (ii)
(D) (iii) (iv) (i) (ii)
Answer: (B)
8. Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R).
Assertion (A): Ozone hole is observed only over Antartica.
Reason (R): Ozone depleting gases are present throughout the stratosphere.
In the context of the above two statements, which one of the following is correct?
(A) Both (A) and (R) are true.
(B) (A) is true and (R) is wrong.
(C) Both (A) and (R) are wrong.
(D) (A) is wrong, but (R) is true.
Answer: (D)
9. Which of the following types of clouds appears at the highest level in the sky?
(A) Alto – cumulus
(B) Cirro-cumulus
(C) Cumulo-nimbus
(D) Strato-cumulus
Answer: (B)
10. Atmospheric temperature decreases with height in the troposphere because
(A) Air at higher altitude is less dense
(B) Solar radiation is less at higher level
(C) There are more atmospheric gases at higher altitudes
(D) The atmosphere is heated by radiation from the surface
Answer: (D)
11. Which one of the following pairs is not correctly matched?
(A) Foehn : Warm dry winds moving down the Alps
(B) Mistral : Cold wind blowing from Alps over France
(C) Santa Ana : Warm dry wind moving down Appalachian
(D) Bora : Cold winds experienced along the eastern coast of the Adriatic sea
Answer: (C)
12. Which one of the following gases is not a natural element of the atmosphere?
(A) Krepton
(B) Argon
(C) Chloroflurocarbon
(D) Water vapour
Answer: (C)
Answer:
10 answer)
the best way to conserve soil:
i. should increase area under forests
ii. indiscriminate felling of trees should be stopped
iii. efforts should be made to plant trees in new areas
Explanation:
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