616.  Which type of microorganism is most widely used in industries?

Answer & Explanation
Bacteria,                   microalgae and fungi.

617.  The improper function of which results in condition 'Myxedema' in human beings?

Answer & Explanation
Thyroid gland

618.  Which can be used for biological control of mosquitoes?

Answer & Explanation
Gambusia

619.  Which vitamin is considered to be a hormone?

Answer & Explanation
D

620.  Through which Translocation of food materials in plants takes place?

Answer & Explanation
Phloem

621.  In which is 'Foot and Mouth Disease' found?

Answer & Explanation
Cattle

622.  Foot-and-Mouth disease in animals, a current epidemic in some parts of the world, By which is this caused?

Answer & Explanation
Bacterium

623.  In which animal is respiration done by skin?

Answer & Explanation
Frog

624.  Due to bite of mad dog the disease hydrophobia is caused by which virus?

Answer & Explanation
Rabies virus

625.  Medicine for epilepsy is obtain from which lichen?

Answer & Explanation
Parmelia

626.  What percentage of water is lost during transpiration?

Answer & Explanation
99%

627.  What is Study of growth and development of embryo?

Answer & Explanation
Embryology

628.  What is the Study of pulse and arterial blood pressure called?

Answer & Explanation
Sphygmology

629.  What is considered as the easily digestable source of protein?

Answer & Explanation
Soyabean