Population - The increasing numbers and rising problems — Biology STD 10 — Question

Note the relationship between the first two words and suggest the suitable word for the fourth place.
sound : ear drum :: Dynamic balance : ……

In the flowering plants, food is transported in the form of ___________ .

The pressure by which the________________ molecules tend to cross the semipermeable membrane is called osmotic pressure.

Chromosomes are _______ material.

95% of the total transpiration takes place through ________.

______ is a disease caused by hypoparathyroidism.

A hormone which influences the ossification of bones is ______.

DPT vaccine provides immunization against ______.

The sperm is a specialised cell designed for the purpose of (i) ___________ It consists of a head, which contains the (ii) ___________ a midpiece packed with (iii) ___________ to provide energy, and a long (iv) ___________ that propels the sperm towards the egg. During (v) ___________ the sperm merges with the egg, leading to the formation of a zygote.

Wings of birds like ostrich have become weak due to disuse. ____________ used this example to explain his theory of evolution.