Chapter-wise MCQ Questions

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Question-1. Which of the following is the main circulatory fluid in our body ?

  1. Plasma
  2. Lymph
  3. Blood
  4. None of these
Answer-1

Question-2. Which one of the following contains haemoglobin?

  1. RBC
  2. WBC
  3. Platelets
  4. None of these
Answer-2

Question-3. ____________failure can be treated by the method of Dialysis.

  1. Heart
  2. Eye
  3. Kidney
  4. Liver
Answer-3

Question-4. A kidney, ureter and urinary bladder together are called-

  1. Respiratory system
  2. Excretory system
  3. Circulatory system
  4. Reproductive system
Answer-4

Question-5. A resting person usually has a pulse rate between

  1. 72 and 80 beats per minute
  2. 82 and 90 beats per minute
  3. 62 and 70 beats per minute
  4. 52 and 60 beats per minute
Answer-5

Question-6. All Organisms need food, water and…................for survival

  1. Carbon dioxide
  2. Oxygen
  3. Nitrogen
  4. Argon
Answer-6

Question-7. Any two substances that are transported by blood:

  1. water, air
  2. water and oxygen
  3. oxygen, food
  4. none of these
Answer-7

Question-8. Aquatic animals excrete cell waste mostly as

  1. ammonia
  2. oxygen
  3. carbon dioxide
  4. nitrogen
Answer-8

Question-9. Blood carries….................from lungs to the cells of the body

  1. Argon
  2. Neon
  3. Carbon dioxide
  4. Nitrogen
Answer-9

Question-10. During transpiration water is lost from the plant in the form of:

  1. water vapour
  2. liquid
  3. hydrogen and oxygen gas
  4. steam
Answer-10

Question-11. Heart rate increases during

  1. Bathing and eating
  2. Sleep and eating
  3. Exercise and fever
  4. Rest and indigestion
Answer-11

Question-12. In case of Hydra…....................brings the food and oxygen as the organism moves inside the water.

  1. Water in which the organism moves
  2. The air that is taken by the organism
  3. The food taken by the organism
  4. The air that is taken by the organism
Answer-12

Question-13. Insects excrete uric acid in form of:

  1. liquid
  2. gases
  3. both a and b
  4. solids
Answer-13

Question-14. Name an instrumental device used to amplify the sound of heart.

  1. Stethoscope
  2. UV machine
  3. Both (a) and (b)
  4. Ultrasound machine
Answer-14

Question-15. Red pigment in Red Blood Cells is

  1. haemoglobin
  2. plasma
  3. arteries
  4. veins
Answer-15

Question-16. The Arteries have thick elastic walls because

  1. Rapid blood flows at high pressure
  2. slow blood flows at low pressure
  3. Rapid blood flows at low pressure
  4. slow blood flows at high pressure
Answer-16

Question-17. The blood vessels which carry oxygen rich blood from the heart to all parts of the body are called ( )

  1. Arteries
  2. Veins
  3. RBC
  4. WBC
Answer-17

Question-18. The device used by the doctor to check up the heart beat is called

  1. anemometer
  2. thermometer
  3. barometer
  4. stethoscope
Answer-18

Question-19. The effect of sweat on the human body is

  1. It causes cooling
  2. it causes heating
  3. it causes freezing
  4. It causes melting
Answer-19

Question-20. The formation of clot when bleeding is stopped from a wound in a human body is due to

  1. RBC
  2. WBC
  3. Platelets
  4. Haemoglobin
Answer-20

Question-21. The function of the Blood is to transport

  1. The digested food from the small intestine to the other parts of the body
  2. Digested food from the parts of the body to the large intestine
  3. digested food from small intestine to the large intestine
  4. Digested food from small intestine to the large intestine
Answer-21

Question-22. The heart is located in the

  1. Chest cavity
  2. kidney cavity
  3. Brain cavity
  4. muscle cavity
Answer-22

Question-23. The number of heart beats per minute is called

  1. pulse rate
  2. throbbing
  3. beating
  4. none of these
Answer-23

Question-24. The Organism that does not have circulatory system

  1. Dog
  2. Frog
  3. Human
  4. Hydra
Answer-24

Question-25. The process by which a plant loses water through the stomata is called:

  1. excretion
  2. transpiration
  3. respiration
  4. sweating
Answer-25

Question-26. The processes of removal of waste materials from the body is called

  1. Digestion
  2. Excretion
  3. Respiration
  4. Inhalation
Answer-26

Question-27. The throbbing movements of the blood flow in the Arteries is called

  1. Pulse
  2. Crest
  3. Peak
  4. Nest
Answer-27

Question-28. The uric acid excreted by lizards is

  1. White in colour
  2. Red in colour
  3. Brown in Colour
  4. Black in colour
Answer-28

Question-29. The urine from kidneys passes to urinary bladder through

  1. Ureter
  2. Urinary tubules
  3. Urethra
  4. Fallopian tube
Answer-29

Question-30. The vascular tissue for the transport of water and nutrients in the plant is called

  1. Xylem
  2. Phloem
  3. Tissue
  4. Plasma
Answer-30

Question-31. The vessels that transport water and minerals are called

  1. Stomata
  2. Vacuoles
  3. Phloem
  4. Xylem
Answer-31

Question-32. Veins allow blood to flow only

  1. Towards the heart
  2. Away from the heart
  3. Towards lungs
  4. Away from the lungs
Answer-32

Question-33. What is the state of the blood?

  1. Solid
  2. Fluid
  3. Gas
  4. None of these
Answer-33

Question-34. Which blood group is called as universal donor?

  1. O
  2. A
  3. B
  4. AB
Answer-34

Question-35. Which chamber of heart receives oxygenated blood from pulmonary circulation?

  1. Left atrium
  2. Right ventricle
  3. Left ventricle
  4. Right atrium
Answer-35

Question-36. Which of the following is the main circulatory fluid in our body ?

  1. Plasma
  2. Lymph
  3. Blood
  4. None of these
Answer-36

Question-37. Which of the following mechanisms is not used by human beings for excretion of waste materials from their bodies?

  1. Exhalation
  2. Perspiration
  3. Defecation
  4. Transfusion
Answer-37

Question-38. White patches formed in areas like underarms are due to

  1. Salts present in the sweat
  2. sugars present in the sweat
  3. Acids present in the sweat
  4. Bases present in the sweat
Answer-38

Question-39. Aquatic animals like fish excrete their wastes in gaseous form as

  1. Oxygen
  2. Hydrogen
  3. Ammonia
  4. Nitrogen
Answer-39

Question-40. Blood platelets help in

  1. formation of urine
  2. excretion of urine
  3. sweating
  4. blood clotting
Answer-40

Question-41. In a tall tree, which force is responsible for pulling water and minerals from the soil?

  1. Gravitational force
  2. Transportation force
  3. Suction force
  4. Conduction force
Answer-41

Question-42. In which of the following parts of human body are sweat glands absent?

  1. Scalp
  2. Armpits
  3. Lips
  4. Palms
Answer-42

Question-43. The absorption of nutrients and exchange of respiratory gases between blood and tissues takes place in:

  1. veins
  2. arteries
  3. heart
  4. capillaries
Answer-43

Question-44. The muscular tube through which stored urine is passed out of the body is called:

  1. kidney
  2. ureter
  3. urethra
  4. urinary bladder
Answer-44

Question-45. They are pipe-like, consisting of a group of specialised cells. They transport substances and form a two-way traffic in plants. Which of the following terms qualify for the features mentioned above?

  1. Xylem tissue
  2. Vascular tissue
  3. Root hairs
  4. Phloem tissue
Answer-45

Question-46. What is the function of WBCs?

  1. Transport of oxygen
  2. Fight against germs
  3. Involved in blood clotting
  4. All of these
Answer-46



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