Convex lens
Concave lens
Convex mirror
Concave mirror
Which among the following nitrogenous wastes requires the least water for its excretion?
Which among the following two gases contribute to begin the formation of stars?
Which among the following usually regulates breathing in Humans?
Which among the following Vitamins helps in clotting of Blood?
Which among the given acts as best adsorbent -
Which among the given alloy is used in making magnet -
Which among the given appeared to be with a significant potential for accumulation through food chains
Which among the given blood group is a universal reciptient
Which among the given branches deals with the interactions of same species of living organisms with their non-living environment -
Which among the given branches of science is concerned with the study of the relationship of plants to their environment?
