Biology
Name the following.
(a) The layer of the eyeball that is sensitive to the light.
(b) One harmful effect of ozone layer depletion.
(c) A disc-like structure, which plays a role in nutrition, respiration and excretion of embryo.
(d) The point of attachment of non-sister chromatids of homologous chromosomes where crossing over takes place.
(e) Name the organism studied for industrial melanism.
Sense Organs
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Answer
(a) Retina
(b) Skin cancer
(c) Placenta
(d) Chiasma
(e) Biston bitularia (Peppered moth)
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