Tamil Nadu Board of Secondary EducationHSC Science Class 11th
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Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Biology-Zoology Answers Guide chapter 5 - Digestion and Absorption [Latest edition]

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Class 11th Biology-Zoology Answers Guide - Shaalaa.com
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Chapter 5: Digestion and Absorption

Evaluation
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Evaluation [Pages 88 - 89]

Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Biology-Zoology Answers Guide Chapter 5 Digestion and AbsorptionEvaluation [Pages 88 - 89]

Evaluation | Q 1. | Page 88

Choose the incorrect sentence from the following:

  • Bile juice emulsifies the fat.

  • Chyme is a digestive acidic food in stomach.

  • Pancreatic juice converts lipid into fatty acid and glycerol.

  • Enterokinase stimulates the secretion of pancreatic juice.

Evaluation | Q 2. | Page 88

What is chyme?

  • The process of conversion of fat into small droplets.

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

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

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

Evaluation | Q 3. | Page 88

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

  • Angiotensin and epinephrine

  • Gastrin and insulin

  • Cholecystokinin and secretin

  • Insulin and glucagon

Evaluation | Q 4. | Page 88

The sphincter of Oddi guards ______.

  • Hepatopancreatic duct

  • Common bile duct

  • Pancreatic duct

  • Cystic duct

Evaluation | Q I. 5. | Page 88

In small intestine, active absorption occurs in case of

  • Glucose

  • Amino acids

  • Na+

  • All the above

Evaluation | Q 6. | Page 88

Which one is incorrectly matched?

  • Pepsin – stomach

  • Renin – liver

  • Trypsin – intestine

  • Ptyalin – mouth

Evaluation | Q 7. | Page 88

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

  • Lymph vessels within villi

  • Walls of stomach

  • Colon

  • Capillaries within villi

Evaluation | Q 8. | Page 88

First step in digestion of fat is ______.

  • Emulsification

  • Enzyme action  

  • Absorption by lacteals

  • Storage in adipose tissue

Evaluation | Q 9. | Page 88

Enterokinase takes part in the conversion of ______.

  • Pepsinogen into pepsin

  • Trypsinogen into trypsin 

  • Protein Caseinogen into caseinpolypetide

  • Caseinogen into casein

Evaluation | Q 10. | Page 88

Which of the following combinations are not matched?

  • Bilirubin and biliverdin - intestinal juice

  • Hydrolysis of starch - Amylases

  • Digestion of fat - Lipases

  • Salivary gland - Parotid

Evaluation | Q 11. | Page 88

Match column I with column II and choose the correct option

Column – I Column – II
(P) Small intestine (i) Largest factory
(Q) Pancreas (ii) Absorption of Water
(R) Liver (iii) Carrying electrolytic solution
(S) Colon (iv) Digestion and absorption
  • (P-iv) (Q -iii) (R- i) (S – ii)

  • (P-iii) (Q -i ) (R- i) (S – iv)

  • (P-iv) (Q -iii) (R- ii) (S – i)

  • (P-ii) (Q -iv) (R- iii) (S – i)

Evaluation | Q 12. | Page 89

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
  • (P-iv) (Q -ii) (R- i) (S – iii)

  • (P-ii) (Q -iv) (R- i) (S – iii)

  • (P-i) (Q -iii) (R- ii) (S – iv)

  • (P-iii) (Q -i) (R- ii) (S – iv)

Evaluation | Q 13. | Page 88

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
  • (P - iv) (Q - ii) (R - i) (S - iii)

  • (P - iii) (Q - iv) (R- ii) (S - i)

  • (P - iv) (Q - iii) (R - ii) (S - i )

  • (P-iii) (Q -ii) (R- iv) (S - i)

Evaluation | Q 14. | Page 89

Which of the following is not the function of liver?

  • Production of insulin

  • Detoxification

  • Storage of glycogen

  • Production of bile

Evaluation | Q 15. | Page 89

Assertion: (A) Large intestine also shows the presence of villi like small intestine.

Reason: (B) Absorption of water takes place in large intestine.

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

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

  • A is true but B is false

  • A is false but B is true

Evaluation | Q 16. | Page 89

Which of the following is not true regarding intestinal villi?

  • They possess microvilli.

  • They increase the surface area.

  • They are supplied with capillaries and the lacteal vessels.

  • They only participate in digestion of fats.

Evaluation | Q 17. | Page 89

Why are villi present in the intestine and not in the stomach?

Evaluation | Q 18. | Page 89

Bile juice contains no digestive enzymes, yet it is important for digestion. Why?

Evaluation | Q 19. | Page 89

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

Evaluation | Q 20. | Page 89

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

Evaluation | Q 21. | Page 89

Digestive secretions are secreted only when needed. Discuss.

Chapter 5: Digestion and Absorption

Evaluation
Class 11th Biology-Zoology Answers Guide - Shaalaa.com

Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Biology-Zoology Answers Guide chapter 5 - Digestion and Absorption

Tamil Nadu Board Samacheer Kalvi solutions for Class 11th Biology-Zoology Answers Guide chapter 5 (Digestion and Absorption) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Tamil Nadu Board of Secondary Education Class 11th Biology-Zoology Answers Guide solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 11th Biology-Zoology Answers Guide chapter 5 Digestion and Absorption are Digestive System, Digestion of Food and Role of Digestive Enzymes, Peristalsis, Digestion, Absorption and Assimilation of Proteins, Carbohydrates and Fats, Egestion of Food, Caloric Value of Carbohydrates, Proteins and Fats, Nutritional and Digestive Disorders.

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