3836: During a thunderstorm, the thunder in the skies is produced by the
1. meeting of cumulonimbus clouds in the sky
2. lightning that separates the nimbus clouds
3. violent upward movement of air and water particles
Select the correct answer using the codes given below.
(a) 1 only
(b) 2 and 3
(C) 1 and 3
(d) None of the above produces the thunder
3837: Which of the following is not a feature of Gandhara School of Art ?
(a) It was patronised by Sakas and Kushanas
(b) It has Indian and Greek influence
(c) It resulted in the origination of Hinayanism
(d) It portrayed human figures exactly
3838: Which one of the following pairs is not correctly matched?
(a) Milton Friedman : Economic
(b) Eric R. Kandel : Literature
(c) Anna Freud : Child psychiatry
(d) Sigmund Freud : Psychoanalysis
3839: The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs
(a) the water vapour of the air and retains its heat
(b) the ultraviolet part of the solar radiation
(c) all the solar radiations
(d) the infrared part of the solar radiation
3840: Sex of a child is determined by the:
(a) Chromosomes of father
(b) Chromosomes of mother
(c) Rh factor of parents
(d) None of these