1) Decrease in number of erythrocytes is called a) Thrombocytopenia b) Anaemia c) Monocytes d) Leukopenia 2) Arteries are thick and elastic vessels a) True b) False 3) Closed circulatory system was discovered by a) William Harvey b) Wilson 4) Leeches have ear a) True b) False 5) Neuroglia is also called as a) Nerve fibres b) Axon c) Nerve cells d) Glial cells 6) The innermost layer of cortex in root is called epidermis a) True b) False 7) Leech is metamerically segmented and has ____ segments a) 26 b) 55 c) 45 d) 33 e) 56 f) 22 8) Leech is a hermaphrodite a) True b) False 9) Blood is the main Circulatory medium in the Human body a) True b) False 10) Heart is a ____ pumping organ a) Lungs b) Veins c) Muscular 11) During transpiration there is loss of a) Carbon dioxide b) Oxygen c) Water d) None of the above 12) Canine teeth are present in rabbit a) True b) False  13) Rabbit is a coelomate animal a) True b) False 14) Animals possess two types of circulatory system. They are : a) Open type and Closed type b) Open type c) Closed type d) None of the above 15) The Human heart is myogenic in nature  a) True b) False 

Biology

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