Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness?
Held on 30 Apr 2005 · Verified 9 Jul 2026.
morphine
valium
amphetamines
hashish
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Neoplastic characteristics of cells refer to : A. A mass of proliferating cell B. Rapid growth of cells C. Invasion and damage to the surrounding tissue D. Those confined to original location Choose the correct answer from the options given below:
Which are correct: A. Computed tomography and magnetic resonance imaging detect cancers of internal organs. B. Chemotherapeutics drugs are used to kill non-cancerous cells. C. $\alpha$-interferon activate the cancer patients' immune system and helps in destroying the tumour. D. Chemotherapeutic drugs are biological response modifiers. E. In the case of leukaemia blood cell counts are decreased. Choose the correct answer from the options given below:
Identify the statement that is NOT correct.
After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s) / tissue(s) like A. thymus B. bone marrow C. spleen D. lymph nodes E. Peyer's patches Choose the correct answer from the options given below
Which of the following type of immunity is present at the time of birth and is a non-specific type of defence in the human body?
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