Which are the special proteins in muscles that contract and relax to cause movement?
Polio is caused by
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Anaemia is caused because of deficiency of which of the following?
Haemoglobin is an important component of _______.
With which of the following body organ is 'pace-maker' associated?
Which of the following is NOT a form of Monosaccharide Sugar?
Which type of permanent tissue helps the aquatic plants to float?
Which part of flower produces pollen grains that are generally yellowish in color?
.......... helps the eye to adjust the focal length of the lens.