KVPY Government Jobs Exams

When a person is suffering from high fever, it is sometimes observed that the skin has a reddish tinge. Why
does this happen ?
(A) Red colour of the skin radiates more heat
(B) Fever causes the release of a red pigment in the skin
(C) There is more blood circulation to the skin to keep the body warm
(D) There is more blood circulation to the skin to release heat from the body

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KVPY Other Question
Fruit wrapped in paper ripens faster than when kept in open air because-
(A) Heat of respiration is retained better
(B) A chemical in the paper helps fruit ripening
(C) A volatile substance produced by the fruit is retained better and helps in ripening
(D) The fruit is cut off from the ambient oxygen which is an inhibitor to fruit repening Bacteriochlorophylls are photosynthetic pigments found in phototrophic bacteria. Their function is distinct
from the plant chlorophylls in that they-
(A) do not produce oxygen (B) do not conduct photosynthesis
(C) absorb only blue light (D) function without a light source