A. because of low oxygen content in the air at high altitudes B. because of ratified air which puts strain on lungs to supply enough oxygen to the blood C. because at high altitude air cause asthma and lung infection D. none of ...
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A. Cerebral hemisphere B. Medulla oblongata C. Cerebellum D. Optic lobe
A. Erythrocyte B. Leucocyte C. Lymphocyte D. Monocyte
A. Blood with more RBC less WBC B. Blood without plasma C. Plasma without proteins D. Blood with no RBC but more WBC
A. More population of house flies B. Change in ‘a’ chain of haemoglobin C. Change in ‘b’ chain of haemoglobin D. Change in ‘g’ chain of haemoglobin
A. Tunica externa B. Tunica media C. Tunica intima D. None
A. Afferent arteriole is narrower than efferent arteriole B. Efferent venule is narrower than afferent venule C. Efferent arteriole is narrower than afferent arteriole D. Afferent venule is narrower than efferent venule
A. Tracheae B. Malpighian tubules C. Rectal gland D. Midgut diverticulum
A. Active transport B. Passive transport C. Osmosis D. Diffusion
A. Liver B. Intestine C. Heart D. Kidney