Question 1. The pulse in the human wrist beats_____.
(A) Independently of the heart
(B) At the same rate as the heart
(C) Slower than the heart
(D) Faster than the heart
Question 2. The brain is responsible for_____.
(A) Regulating the heartbeat
(B) Balancing the body
(D) All of the above
Question 3. Where is the governing centre of reflex action located?
(A) In nerve cells
(B) In spinal cord
(C) In cerebellum
(D) In cerebrum
Question 4. In a human brain memory power is found in______.
(B) Brain cavity
(D) Medulla oblongata
Question 5. Where does fertilization occur?
(A) In Vagina
(B) In Ovary
(C) In Uterus
(D) In Oviduct
Question 6. In human beings, normally in which one of the following parts, does the sperm fertilize the ovum?
(A) Upper part of uterus
(B) Lower part of uterus
(C) Fallopian tube
Question 7. After reaching the female genital tract, human sperms retain their fertilizing capacity for_______.
(A) One to two days
(B) Ninety minutes
(C) Twenty minutes
(D) Two minutes
Question 8. The heart of human embryo starts beating______.
(A) In the sixth week of its development
(B) In the fourth week of its development
(C) In the third week of its development
(D) In the first week of development
Question 9. Which one of the following is a membrane that protects the developing embryo from desiccation?
(A) Yolk sac
Question 10. Mammals respire by______.
Question 11. The amount of which of the following components in the air does not change in the process of respiration?
(B) Water vapours
(D) Carbon dioxide (CO2)
Question 12. How many times, a healthy person’s average heart beats in a minute?
(A) 64 times
(B) 72 times
(C) 98 times
(D) 86 times
Question 13. When does heart rest?
(A) While doing yoga
(B) Between two beats
(C) While sleeping
Question 14. Which of the following is not a symptom of a heart attack?
(A) Pain in legs
(B) Numbness and aching of arms
(C) Nausea and sweating
(D) Chest pain
Question 15. How many chambers are there in the heart?
Question 16. Heartbeats are caused by an electrical current that originates in the______.
(A) Spinal cord
Question 17. Match List-I with List-II and select the correct answer using the code given below the lists.
|List-I (Bones)||List-II (Names)|
|(a) Breastbone||1. Clavicle|
|(b) Collarbone||2. Patella|
|(c) Knee cap||3. Scapula|
|(d) Shoulder blade||4. Sternum|
Question 18. Which of these are typical signs of heart attack?
- Severe perspiration
- Severe chest pain
Select the correct answer from the given code.
(A) 1, 2, 4
(B) 1, 3, 4
(C) 2, 3, 4
(D) 1, 2, 3