3191: Which one of the following is also called Stranger Gas?

(a) Argon
(b) Nitrous oxide
(c) Xenon
(d) Neon
3192: Which one of the following sets is correctly matched ?

(a) Diphtheria, Pneumonia and Leprosy : Hereditary

(b) AIDS, Syphilis and Gonorrhoea : Bacterial

(c) Colour blindness, Hemophilia and Sickle cell anaemia : Sex linked

(d) Polio, Japanese B encephalitis and plague : Viral
3193: Which of the following stream systems dissects Aravalli range?

(a) Narmada, Son

(b) Banas, Luni

(c) Betwa, Koina

(d) Ganga, Saraswati
3194: Which one of the following reflects back more sunlight as compared to other three ?

(a) Sand Desert

(b) Paddy crop land

(c) Land covered with fresh snow

(d) Prairie land

3195: Which one among the following has the largest shipyard in India?

(a) Kolkata
(b) Kochi
(c) Mumbai
(d) Visakhapatnam