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an auxin
a cytokinin
ethylene
gibberelic acid
The plants which grow well, only in light are known as
The plants, which grow under water stress conditions of deserts are:
The polio virus enters the body through
The pollination of maize takes place by
The presence of air bubble in blood stream is dangerous to life as
The presence of air cavities is an adaptation of
The presence or absence of hydroxyl group at which ring carbon atom of the sugar moiety differentiates RNA and DNA?
The pressure variations inside the inner ear are turned into electrical signals by the
The primary goal of conservation biology is to
The primary producer in an ecosystem are;
