F. Endocrine System-2

43. The largest organ of human body is– (A) Heart (B) Brain (C) Liver D) Kidney Ans. (C) . 44. Which one of the following is the smallest endocrine gland in human

F. Endocrine System-1

1. Which of the following release sex hormone– (A) Adrenal gland (B) Thyroid gland (C) Pituitary gland (D) Sebaceous gland Ans. (A) 2. Lactation hormone release from the– (A) Mammary gland (B)

E. Skeletal System-2

45. Which of these joints is a hinge joint? (A) Hip (B) Elbow (C) Shoulder (D) Wrist Ans. (B) 46. Wh ich of the fol low ing is the hardest substance in

E. Skeletal System-1

1. How many bones found in human skeletal or body? (A) 212 (B) 206 (C) 202 (D) 200 Ans. (B) 2. In human body total bones are– (A) 187 (B) 287 C)

D. Excretory System

1. The functional unit of Kidney is– (A) Aron (B) Nephron (C) Nephron (D) Arteries Ans. (C) 2. Which of the following is responsible for water balance in human body? (A) Heart

C. Circulatory system and blood-2

37. The scientist who explained about blood circulation for the first time was– (A) Anton Van Leeuwenhoek (B) William Harvey (C) Gregor Mendel (D) Ronald Ross Ans. (B) 38. When nitrogenous waste

C. Circulatory system and blood-1

1. Which of the following are warm blooded animals? (A) Whales (B) Whale sharks (C) Alytes (D) Draco Ans. (A) 2. To which group of blood a universal recipient belongs? (A) A

B. Respiratory System

1. Cockroach cannot survive in the water because its respiratory organ is– (A) Gill (B) Trachea (C) Book lung (D) Pulmonary sac Ans. (B) 2. Among the following set of salient feature,

Human body system

1. Vegetable are spoil because they contain rich amount of (A) Carbohydrate (B) Water (C) Vitamin (D) Enzyme Ans. (B) 2. Which of the following organs convert glycogen into glucose and purifiers