In the earthworm, the diffusion of oxygen into cells is carried out by
In the earthworm, the diffusion of oxygen into cells is carried out by
MCQs
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The diaphragm becomes dome shaped when
The diaphragm becomes dome shaped when
The movement of which of the following ions regulates the opening of the stomata?
The movement of which of the following ions regulates the opening of the stomata?
Which of the following is TRUE about open circulatory system?
Which of the following is TRUE about open circulatory system?
Which of the following components of blood is increased during blood leukaemia?
Which of the following components of blood is increased during blood leukaemia?
Which of the following shows the CORRECT order of levels of organisation from complex to simple?
Which of the following shows the CORRECT order of levels of organisation from complex to simple?
A molecule of phospholipids stores more energy than a molecule of maltose due to
A molecule of phospholipids stores more energy than a molecule of maltose due to
Feedback inhibition of an enzyme is influenced by
Feedback inhibition of an enzyme is influenced by
Cell wall is composed of three main layers; primary wall, secondary wall and middle lamella. The primary wall is considered as ‘true wall’ because
Cell wall is composed of three main layers; primary wall, secondary wall and middle lamella. The primary wall is considered as ‘true wall’ because
One of the symptoms of Tobacco Mosaic Disease in plants is
One of the symptoms of Tobacco Mosaic Disease in plants is