CBSE Class 11 Biology Digestion and Absorption Quiz 1

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CBSE › Class 11 › Biology › Digestion and Absorption

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1. Which part of brain causes nausea?

A Pons B Hypothalamus C Parietal lobe D Medulla

2. Correct enzyme-substrate pair is

A Maltose-lactase B Protein-amylase C Carbohydrate-lipase D Casein-rennin

3. Peyers patches found in the small intestine are

A Epithelial tissue B Glandular tissue C Lymphatic tissue D Haemopoietic tissue

4. During prolonged fasting, in what sequence are the following organic compounds used up by the body?

A First carbohydrates, next proteins and lastly lipids B First carbohydrates, next fats and lastly proteins C First fats, next carbohydrates and lastly proteins D First proteins next lipids and lastly carbohydrates

5. In glycolysis ultimately

A starch is converted into glucose B glucose is converted into fructose C protein is converted into glucose D glucose is converted into pyruric acid

6. If for some reason our goblet cells are non-functional this will adversely affect

A Smooth movement of food down the intestine B Production of somatostatin C Secretion of sebum from the sebaceous glands D Maturation of sperms

7. The HCl in gastric juice converts:

A Disaccharide to monosaccharide B Pepsinogen to pepsin C Prorennin to rennin D Polypeptide to peptide

8. Which enzyme is used in alcoholic fermentation of yeast?

A Maltase B Invertase C Sucrase D Zymase

9. Assimilation means

A utilising the water taken by body B accumulating the food for digestion C utilisation of absorbed substances D collecting wastes left after the absorption of required nutrients

10. The pH scale is used to measure

A Electric charge on ion B Speed with which ions form C Size of ions D Concentration of hydrogen ions in a solution

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