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(iii) They occur in ocean beds.
(iv) They are found in sands of the valley floors and the base of hills.

(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (i) and (iv)

Q.8: Large occurrences of minerals in cracks, crevices, faults in igneous and
metamorphic rocks are called:

(a) Layers
(b) Veins
(c) Lodes
(d) Chamber

Q.9: Identify the mistakes and rewrite the sentence correctly.

Geographer study minerals as part of the earth’s crust for a better understanding of landforms.

Q.10: Match the following items given in column A with those in column B. Choose the
correct answer from the options given below:

COLUMNA COLUMN B

A. Abrasive mineral 1. Jowai and Cherapunjee
B. Geologist 2. Silica
C. Horizontal strata 3. Coal
D. Rat-Hole Mining. 4. the formation of minerals, their age and
physical and chemical composition.

a) A-1,B-2,C-3,D-4
b) A-3,B-4,C-1,D-2
c) A-2,B-4,C-3,D-1
d) A-4,B-3,C-2,D-1

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