Question
Match the items in Column I with those in Column II:
Match the items in Column I with those in Column II: Column I Column II Leydig cells Lack of thyroxine in children…
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Pick the odd one out and name the category to which the remaining three belong:
Pick the odd one out and name the category to which the remaining three belong: (a) Prothrombin, Thrombin, Fibrinogen, Albumin (b) Tonsils,…
Question
Study the diagram given below and fill in the blanks with suitable words:
Study the diagram given below and fill in the blanks with suitable words: In order to prove that carbon dioxide is necessary…
Question
Arrange the following in a logical sequence:
Arrange the following in a logical sequence: (a) Australopithecus, Cro-Magnon, Homo erectus, Neanderthal man. (b) Pupil, Aqueous humour, Retina, Vitreous humour. (c)…
Question
Name the following:
Name the following: (a) Unicellular outgrowths of the epidermis of roots. (b) The defect of the eye in which some parts of…
Question
Industrial melanism was observed in:
Industrial melanism was observed in: (a) Mice (b) Peppered Moth (c) House Flies (d) Crow
Question
Birth rate is the number of live births per thousand persons in:
Birth rate is the number of live births per thousand persons in: (a) 1 year (b) 2 years (c) 10 years (d)…
Question
Assertion: The sympathetic nervous system prepares the body for violent action. Reason: The sympathetic nervous system accelerates the heartbeat.
Assertion: The sympathetic nervous system prepares the body for violent action. Reason: The sympathetic nervous system accelerates the heartbeat. (a) Both Assertion…
Question
A male gorilla has 48 chromosomes in each body cell. How many chromosomes will be present in each of its sperms?
A male gorilla has 48 chromosomes in each body cell. How many chromosomes will be present in each of its sperms? (a)…
Question
Osmosis involves the movement of water molecules through a:
Osmosis involves the movement of water molecules through a: (a) Freely permeable membrane (b) Cell wall (c) Selectively permeable membrane (d) Impermeable…