The aphotic zone means that light is
always present
present during day
always absent
present during night
- The pathogenic organisms of an infected person are destroyed by the action of
- The protoplasm of a child is exactly the same as that of its
- Plants growing in saline marsh habitats are called
- The bacteria that gets into our body is consumed by
- Leafy trees help in preventing
- Loss of blood is minimized due to blood
- Pulse rate is measured in the wrist by observing the jerks of blood In the
- Whale reproduces by
- The country's first 'brain bank' that can store up to 300 human brains has been opened at
- The disease Goitre is caused in persons who do not have in their diet sufficient
- The cavities of the brain are filled with
- The olfactory area is concerned with
- When the earth was formed it had an atmosphere with
- The stones formed in human kidney consist mostly of
- The development of new organs is termed
- Fishes send out their nitrogenous waste as
- The hypoglossal nerves are the pairs of the spinal nerves
- Organisms that depend only on raw plant products are said to be
- Injection of insulin causes
- The cell theory of Schleiden and Schwann states that
- Who discovered the electron microscope?
- The rate of heartbeat is accelerated by the hormone
- Geotropism is reaction of plants to the stimulus of
- Man is warm-blooded, frog is cold-blooded, Which one of the following is cold-blooded?
- Human blood is oxygenated and purified in the
- Carbohydrates are mainly needed for
- Vitamin D is manufactured in a healthy human being by the action of _______ on the skin and absorbed…
- The larva of the housefly is called
- What are oncogenes?
- Nephantis is popularly called