Question


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| Column I | Column II |
| (i) Neanderthal man | (a) Vestigial organ |
| (ii) Adaptive characters | (b) Darwin's theory |
| (iii) Natural selection | (c) 600 cc |
| (iv) Pinna | (d) 1400 cc |
| (e) Characters acquired during lifetime |
| Column I | Column II |
| (i) Superior vena cava | (a) Collect deoxygenated blood from the wall of the heart. |
| (ii) Inferior vena cava | (b) Carry oxygenated blood to heart muscles. |
| (iii) Pulmonary vein | (c) Collects deoxygenated blood from upper parts of the body. |
| (iv) Coronary veins | (d) Collects deoxygenated blood from lower parts of the body. |
| (e) Brings oxygenated blood from lungs. |
| I | II |
| (i) Karyokinesis | (a) Resting phase |
| (ii) Mitosis | (b) Reductional division |
| (iii) Interphase | (c) Division of cytoplasm |
| (iv) Cytokinesis | (d) Division of nucleus |
| (e) Somatic cell division |
| Column I | Column II |
| (i) Implantation | (a) Testosterone |
| (ii) Fertilisation | (b) Vasectomy |
| (iii) Contraception in males | (c) Spermatozoa |
| (iv) Leydig cells | (d) Uterus |
| (e) Fallopian tube |
| Column I | Column II |
| (i) Coronary artery | (a) Largest artery |
| (ii) Aorta | (b) Blocking of coronary arteries. |
| (iii) Heart attack | (c) Sphygmomanometer |
| (iv) Blood pressure | (d) Largest vein |
| (e) Carry oxygenated blood to heart muscles. |
| Column I | Column II |
| (viii) Blood pressure | (a) Allows blood flow from right auricle to right ventricle. |
| (ix) Tricuspid valve | (b) Cardiac cycle. |
| (x) Bicuspid valve | (c) Largest vein |
| (xi) Contraction and relaxation of heart | (d) Sphygmomanometer |
| (e) Allows blood flow from left auricle to left ventricle. |
| Column-I | Column-II |
| (A) Thrombokinase | (i) blood coagulation |
| (B) Lymphocytes | (ii) antitoxins |
| (C) Fibrinogen | (iii) calcium ions |
| (D) Antibodies | (iv) RBC |
| (v) antibodies |
| Component | Approximate number | Life Span |
| I. RBCs | (A) 7,000 | (i) 3-5 days |
| II. WBCs | (B) 2,50,000 | (ii) 100-120 days |
| III. Blood platelets | (C) 4.8-5-5 million | (iii) 2 weeks |
| Column I | Column II |
| (i) Geotropism | (a) Response to touch or physical contact |
| (ii) Phototropism | (b) Growth towards or away from water |
| (iii) Hydrotropism stimulus | (c) Growth towards or away from a chemical |
| (iv) Thigmotropism | (d) Growth in response to gravity |
| (e) Growth towards the light |