Who first observed the plasma membrane?
William Seifriz
Schwann
Palade
None of the above
- The two German scientists who proposed the 'cell theory' were
- Which of the following diseases are not bacterial?
- Kwashiorkar is characterised by
- What are the symptoms of retinal deficiency?
- Hormones are carried from their place of production by
- Valves are present inside
- Malaria is transmitted from one person to another by
- The equilibrium and co-ordination is looked after by which part of the brain?
- The part of the human brain concerned with sight is the
- The Green Revolution in India owes much to
- The plant cells are surrounded rigidly by
- Which of the following organelles is known as the 'power House' of the cell?
- Wallace's line is a line
- Which of the following plays an important part in photosynthesis?
- The best and easy method of control of crop pests is by
- Light compensation zone refers to
- Sterilization, as the means for the prevention of sepsis in surgery, was practised and advocated by
- Spiders can take only
- The condition in which there is abnormal decrease of white blood corpuscles is known as
- Which one is a water-soluble vitamin?
- Which of the following diseases is not caused by a virus?
- When one gene controls two or more different characters simultaneously, the phenomenon is called
- Which one of the following is not caused by bacteria?
- The grey matter of the brain is so coloured because of the concentration of
- The natural defence of our body against foreign germs is formed by
- Total number of amino acids in plants is
- The hypoglossal nerves are the pairs of the spinal nerves
- Ecology of a population is known as
- Blood clotting requires vitamin
- The artificial kidney is a