Plate tectonics Physical Geography and Environment

1. Which of the following evidences were proposed by Alfred Wegener in support of the theory of Continental Drift?

1. Matching of the shorelines of continents.
2. Ancient rocks of Brazil coast matches with those from western Africa.
3. Presence of Tillite and placer deposits across continents.
4. Distribution of fossils.

Select the correct answer using the codes given below:-
(A) 1, 3 and 4 only
(B) 1, 2 and 3 only
(C) 2 and 3 only
(D) 1, 2, 3 and 4

Ans 


2.Which of the following is/are the evidences of sea floor spreading?

1. Volcanic activity along the mid-oceanic ridges.

2. Increasing age of rocks away from the oceanic ridges.

3. Similarities of magnetic properties on either side of oceanic ridges.

Select the correct answer using the codes given below:

(A) 1 and 2 only

(B) 3 only

(C) 2 and 3 only

(D) 1, 2 and 3

Ans


3.Pangaea was divided into Gondwana and Laurasia in

(A) Mesozoic Era

(B) Laurasia

(C) Gondwana

(D) None of these

Ans


4The word 'lithospheric plates' denote their-

(A) Mobile character

(B) Activity

(C) Rigidity

(D) None of these

Ans.


5. The largest of all plates is

(A) Eurasian

(B) North American

( C) Pacific

(D) None of these

Ans


6. The movement of denser plate inwards towards the interior of earth during collision is called

(A) Subduction

(B) Lateral displacement

(C) Cocos plate

(D) None of these

Ans


7. Sea floor spreading results from

(A) Convergence

(B) Lateral displacement

(C) Divergence

(D) None of these

Ans

8. Cocos Plate lies between-

(A) Central America and Pacific Plate

(B) South America and Pacific Plate

(C) Red Sea and Persian Gulf

(D) Asiatic Plate and Pacific Plate

Ans

9. English passage

Economic liberalization in India was shaped largely by the economic problems of the government than by the economic priorities of the people or by the long-term development objectives. Thus, there were limitations in conception and design which have been subsequently validated by experience. Jobless growth, persistent poverty and rising inequality have mounted as problems since economic liberalization began. And all these years later, four quiet crises confront the economy: agriculture, infrastructure, industrialization and education as constraints on the country's future prospects. These problems must be resolved if economic growth has to be sustained and transformed into meaningful development.

Which of the following is/are the most rational and logical inference / inferences that can be made from the passage?

1. It is essential to rethink and redefine the economic role of the state in the quest for development.

2. India has not made effective implementation of its policies in social sectors nor made sufficient investments in them.

Select the correct answer using the code given below.

(A) 1 only

(B) Both 1 and 2

(C) 2 only

(D) Neither 1 nor 2

Ans.

(c)


Answers
1D , 2D, 3A. 4A, 5C, 6A, 7C, 8A, 9B



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