51. 

The highest mountains in Africa, which is not part of any mountains chain, is

A. Mt. Aconcagua
B.

श्री किलिमंजारो

C.

माउंट कोसकीउसजको 

D.

मोंट ब्लैंक


52. 

The limit beyond which the stars suffer internal collapse is called the

A. Raman Effect
B.

चंद्रशेखर सीमा

C.

औरोरा बोरियालिस

D.

कसान  जोन


53. 

The gulf that separates Finland and Sweden in Europe is

A. the Gulf of Bothnia
B. लायंस की खाड़ी
C. जेनोआ की खाड़ी
D. वेनिस की खाड़ी

54. 

The ground water that occurs when flow of the subterranean water is not confined by the presence of impermeable layers is called

A. unconfined groundwater
B. सीमित भूजल
C. जलभृत
D. आर्टीजि़यन

55. 

The largest continent in the world is

A. Africa
B. एशिया
C. ऑस्ट्रेलिया
D. अंटार्कटिका