946: In which one of the following kinds of organisms is the phenomenon found wherein the female kills the male after copulation?
(a) Spider
(b) Honeybee
(c) Dragonfly
(d) Pit viper
947: Genetically modified "golden rice" has been engineered to meet human nutritional requirements. Which one of the following statements best qualifies golden rice ?
(a) Its modified genes cause the fortification of its grains with vitamin D grains have been fortified with genes to provide three times higher grain yield per
(b) Its modified genes cause the synthesis of all the nine essential amino acids
(c) The grains have been fortified with genes to provide three times higher grain yield per acre than other high yielding varieties
(d) Its grains contain pro-vitamin A which upon ingestion is converted to vitamin A in the human body
948: Stainless steel contains which of the following?
(a) Aluminium and Zinc
(b) Chromium and Carbon
(c) Zinc and Mercury
(d) Copper and Cadmium
949: Assertion (A):
The thickness of the atmosphere is maximum over the Equator.
Reason (R):
High insolation and strong convection currents occur over the Equator.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
950: 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