Cell activities are controlled by :
Which of the following helps eye to adjust the focal length of the eye lens :
When pollen of a flower is transferred to the stigma of the same plant, pollination type is referred to as :
Respiration is a :
The structural and functional unit of kidneys are :
Which of the following enzymes is generally nor present in adult human :
The part of the plant which is responsible for carrying water and solutes from roots to various parts of plants is :
Widal test’ is used for susceptibility of :
Exchange of gases in plants takes place through :
Which of the following is not an electric resistant?
Which of the following is a complementary colour?
The velocity of sound increases in air by ……… for every degree Celsius increase of temperature.
Henry is a unit of
The velocity of rotation of Earth is
What is an Hubble