Practice Test Paper Digestion and Absorption part 3 by Teaching Care online tuition and coaching classes

Practice Test Paper Digestion and Absorption part 3 by Teaching Care online tuition and coaching classes

Practice Test paper  

Digestion and Absorption part 3

1. Which one is associated with vitamin D

(a) Tocopherol (b) Ergosterol (c) Cholesterol (d) Both (b) and (c)

2. Vitamin D is synthesised in skin by the action of sunlight on

(a) Cholesterol (b) 7-hydroxy cholesterol (c) Cephalo-cholesterol (d) All of these

3. Main cation of extracellular fluid is

(a) Iron (b) Potassium (c) Calcium (d) Sodium

4. Which one is rich in Magnesium

(a) Milk (b) Meat (c) Soyabean (d) Apple

5. Cyanocobalamine is required for the formation of

(a) RBC (b) WBC (c) Lymph (d) Platelets

6. Vitamin nicotinamide can be synthesised in our body from

(a) Tyrosine (b) Tryptophan (c) Valine (d) Phenylalanine

7. Which one is essential for DNA replication and cell division

(a) Vit. E (b) Folic acid (c) Vit. K (d) Vit. D

8. Which one is a nitrogenous polysaccharide

(a) Chitin (b) Cellulose (c) Glycogen (d) Starch

9. Enzymes which acts similarly are called as

(a) Isoenzymes (b) Cofactor (c) Coenzymes (d) All of these

10. Disaccharide which gives two molecules of glucose is

(a) Lactose (b) Sucrose (c) Maltose (d) Galactose

11. Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of them

(a) Are proteins (b) Enhance the oxidative metabolism (c) Aid the regulating mechanism (d) Are synthesised within the body of an organism

12. The essential mineral for the formation of body protein is

(a) Sodium (b) Iron (c) Sulphur (d) Potassium

13. The amount of energy liberated by oxidation in body is termed

(a) Basal metabolic rate (b) Caloric value (c) Physiological fuel value (d) Metabolic rate

14. Deficiency of copper causes

(a) Pellagra (b) Anaemia and damages to CNS (c) Influenza (d) Xerophthalmia

15. Which of the following is related with vitamin B₂

(a) FMN/FAD (b) NAD (c) NADH (d) None of these

16. Consider the following statements :

Assertion : Polypeptidase acts on the peptide linkages of proteins and breaks them into smaller molecules. Water molecules are necessary for this reaction.

Reason : All digestive enzymes belong to hydrolase class. Now select your answer from the answer code given below:                                                                                            

 (a) Both (A) and (R) are true and (R) is the correct explanation of (A) (b) Both (A) and (R) are true but (R) is not the correct explanation of (A) (c) (A) is true but (R) is wrong (d) (A) and (R) both are wrong

17. Deficiency of folic acid and vitaminleads to B₁₂

(a) Xeropthalmia (b) Megaloblastic anaemia (c) Sickle cell anaemia (d) Microcytic anaemia

18. Castle’s intrinsic factor is connected with internal absorption of

(a) Pyridoxine (b) Riboflavin (c) Thiamine (d) Cobalamine

19. A nucleotide connected with coenzyme formation is

(a) Nicotinamide (b) Purine (c) Pyrimidine (d) None of these

20. Which amino acid is denoted by symbol F

(a) Phenyl alanine (b) Proline (c) Tryptophan (d) Methionine