Zoology - Digestion and Absorption Book Back Questions

11th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Biology

Time : 00:45:00 Hrs
Total Marks : 30
    11 x 1 = 11
  1. Choose the incorrect sentence from the following:

    (a)

    Bile juice emulsifies the fat.

    (b)

    Chyme is a digestive acidic food in the stomach.

    (c)

    Pancreatic juice converts lipid into fatty acid and glycerol.

    (d)

    Enterokinase stimulates the secretion of pancreatic juice.

  2. What is chyme__________ ?

    (a)

    The process of conversion of fat into small droplets.

    (b)

    The process of conversion of micelles substances of glycerol into fatty droplet.

    (c)

    The process of preparation of incompletely digested acidic food through gastric juice.

    (d)

    The process of preparation of completely digested liquid food in midgut.

  3. Which of the following hormones stimulate the production of pancreatic juice and bicarbonate?

    (a)

    Angiotensin and epinephrine

    (b)

    Gastrin and insulin

    (c)

    Cholecystokinin and secretin

    (d)

    Insulin and glucagon

  4. Which one is incorrectly matched?

    (a)

    Pepsin - Stomach

    (b)

    Renin -Liver

    (c)

    Trypsin - Intestine

    (d)

    Ptyalin - Mouth

  5. Absorption of glycerol, fatty acids and monoglycerides takes place by

    (a)

    Lymph vessels within villi

    (b)

    Walls of stomach

    (c)

    Colon

    (d)

    Capillaries within villi

  6. Which of the following combinations are not matched?

    (a)
    Column I Column II
    (a) Bilirubin and biliverdin i) Intestinal juice
    (b)
    Column I Column II
    (b) Hydrolysis of starch ii) Amylases
    (c)
    Column I Column II
    (c) Digestion of fat iii) Lipases
    (d)
    Column I Column II
    (d) Salivary gland iv) Parotid
  7. Match column I with column II and choose the correct option

    Column I Column II
    (P) Small intestine i) 23 cm
    (Q) Large intestine ii) 4 meter
    (R) Oesophagus iii) 12.5 cm
    (S) Pharynx iv) 1.5 meter
    (a)
    P Q R S
    iv ii i iii
    (b)
    P Q R S
    ii iv i iii
    (c)
    P Q R S
    i iii ii iv
    (d)
    P Q R S
    iii i ii iv
  8. Match column I with column II and choose the correct option

    Column I Column II
    (P) Lipase i) Starch
    (Q) Pepsin ii) Cassein
    (R) Renin iii) Protein
    (S) Ptyalin iv) Lipid
    (a)
    P Q R S
    iv ii i iii
    (b)
    P Q R S
    iii iv ii i
    (c)
    P Q R S
    iv iii ii i
    (d)
    P Q R S
    iii ii iv i
  9. Which of the following is not the function of liver?

    (a)

    Production of insulin

    (b)

    Detoxification

    (c)

    Storage of glycogen

    (d)

    Production of bile

  10. Assertion : (A) Large intestine also shows the presence of villi like small intestine.
    Reason : (B) Absorption of water takes place in large intestine.

    (a)

    Both A and B are true and B is the correct explanation of A

    (b)

    Both A and B are true but B is not the correct explanation of A

    (c)

    A is true but B is false

    (d)

    A is false but B is true

  11. Which of the following is not true regarding intestinal villi?

    (a)

    They possess microvilli.

    (b)

    They increase the surface area.

    (c)

    They are supplied with capillaries and the lacteal vessels.

    (d)

    They only participate in the digestion of fats.

  12. 1 x 2 = 2
  13. Why are villi present in the intestine and not in the stomach?

  14. 4 x 3 = 12
  15. Bile juice contains no digestive enzymes, yet it is important for digestion. Why?

  16. List the chemical changes that starch molecule undergoes from the time it reaches the small intestine.

  17. How do proteins differ from fats in their energy value and their role in the body?

  18. Digestive secretions are secreted only when needed. Discuss.

  19. 1 x 5 = 5
  20. Label the given diagram.

*****************************************

TN 11th Standard Biology free Online practice tests

Reviews & Comments about 11th Standard Zoology - Digestion and Absorption Book Back Questions

Write your Comment