1. Groin is

2. Assertion (A) : Explosive type of volcanic eruptions are associated with the destructive or convergent plate boundaries in which the heavier plate is subducted beneath the lighter plate. Reason (R) : Materials of the upper mantle lying below the mid-oceanic ridges are melted and move upward in the form of lava during volcanic eruptions. Codes

3. The bottoms of trenches lie

4. Match List-I (Ocean Deposit of Organic Remain) with List-II (Origin of Organic Remain) and select the correct answer using the code given below the lists: List-I List-II
A. Neritic remains
1. Shells of Planktonic mollusks
B. Pelagic remains
2. Microscopic plant shells
C. Pteropod ooze
3. Dead skeletons of marine animals and plants
D. Diatom ooze
4. A type of algae
5. Shells of various Codes A B C D

5. Assertion (A) : The continents are considered as floating on the denser layers of rocks. Reason (R) : The continents are made up of lighter rocks. Codes

6. Seamounts may be

7. Which one of the following plate movements is responsible for the formation of mid-ocean ridge?

8. Fiord originate as a result of

9. Drift plain are formed by

10. The marked slope from the edge of continental shelf to the deep sea or Abyssal plain is known as

11. Delta shoreline is

12. Abyssal plains are

13. Consider the following by statement:
1. The Rhine rift valley stretches for more than 800 km.
2. The floor of Dead Sea is more than 1100 m below sea level. Which of the statement(s) given above is/are correct?

14. What is a coastal plains?