Top 100 Important Everyday Science Mcqs Set-4 41- The largest gland in the human body is: A. LiverB. HeartC. BrainD. Kidney View Answer Answer : A. Liver Description 42- The most important function of perspiration is to: A. Lubricate the skin B. Get rid of the body wastes C. Regulate body wastesD. Regulate body temperature View Answer Answer : D. Regulate body temperature Description 43- Which of the following is a universal blood donor? A. AB. BC. ABD. O View Answer Answer : D. O Description 44- A heart beat requires approximately: A. 0.5 second B. 0.8 secondC. 0.5 minute D. 1 minute View Answer Answer : B. 0.8 second Description 45- Which of the following glands in human body is popularly called 'Adam's apple'? A. AdrenalB. PituitaryC. ThyroidD. Thymus View Answer Answer : C. Thyroid Description 46- Human body needs a constant supply of proteins to survive. The first part of the digestive system to begin digesting proteins is: A. MouthB. StomachC. Small intestine D. Large intestine View Answer Answer : B. Stomach Description 47- Ultra filtering unit of kidney is known as: A. NephronB. GlomerulusC. TubuleD. Vena cava View Answer Answer : A. Nephron Description 48- In human body, the leg bones are: A. TubuleB. Vena cavaC. Fibula & TibiaD. Humerus & femur View Answer Answer : C. Fibula & Tibia Description 49- All the veins carry deoxygenated blood, except: A. Hepatic vein B. SubclavianC. Pulmonary veinD. Portal vein View Answer Answer : D. Pulmonary vein Description 50- Insulin is secreted in: A. LiverB. PituitaryC. ParathyroidD. Pancreas View Answer Answer : D. Pancreas Description 51- The organ in the body which accumulates iodine is: A. ParathyroidB. ThymusC. Pituitary gland D. Thyroid gland View Answer Answer : D. Thyroid gland Description 52- In metabolism, enzymes act as: A. CatalystB. PromoterC. OxidantD. Reactant View Answer Answer : A. Catalyst Description 53- Life of RBC in human blood is of: A. 30 days B. 60 days C. 120 daysD. 15 hours View Answer Answer : C. 120 days Description 54- Which of the following correctly explains the phenomenon of "Test Tube Baby"? A. When the embryo develops in a test tube B. When every process of embryo formation is in the test tube C. When the fertilization is external and development is internalD. When the fertilization is internal and development is external View Answer Answer : C. When the fertilization is external and development is internal Description 55- Red blood corpuscles are formed in: A. LiverB. Small intestine C. KidneysD. Bone marrow View Answer Answer : D. Bone marrow Description 56- If father has blood group A and mother has blood group O, then which one of the following blood groups may be found in their son? A. BB. ABC. OD. B, AB or O View Answer Answer : C. O Description 57- What is the average pH of human blood? A. 7.0B. 7.4C. 6.5D. 8.0 View Answer Answer : B. 7.4 Description 58- The thyroid gland is situated near which of the following organs? A. LarynxB. KidneyC. LiverD. Spleen View Answer Answer : A. Larynx Description 59- The salivary glands secrete saliva which contains the enzyme: A. PepsinB. RenninC. PtyalinD. Lipase View Answer Answer : C. Ptyalin Description 60- Convex lenses are used for the correction of: A. AstigmatismB. Short sightedness C. CataractD. Long sightedness View Answer Answer : D. Long sightedness Description 1 2 3 4 5
