Vitamins

Q.

Which of the following B group vitamins can be stored in our body?
(a) $Vitamin{B}_1$ (b) Vitamin $B_2$ (c) Vitamin $B_6$ (d) Vitamin $B_{12}$

Q. Which vitamin deficiency causes 'Cheilosis' and 'Digestive disorders'?

1. Thiamine
2. Ascorbic acid
3. Riboflavin
4. Pyridoxine

Q. Why cannot vitaminC be stored in our body?

Q. Which one of the following statements is not true about enzymes ?

1. Enzymes are non-specific for a reaction and substrate
2. The action of enzymes is temperature and $pH$ specific
3. Almost all enzymes are proteins
4. Enzymes work as catalysts by lowering the activation energy of a biochemical reaction

Q. The chemical name of vitamin C is

1. Ascorbic acid
2. Citric acid
3. Folic acid
4. Nicotinic acid

Q.

How are vitamins classified ? Name the vitamin responsible for the coagulation of blood.

Q.

Name the fat soluble and water soluble vitamins.

Q.

Which one of the following is a water soluble vitamin?

1. K

2. A

3. D

4. B

Q.

Why are vitamin A and vitamin C essential to us? Given their important sources.

Q.

In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct answer out of the following choices.
(a) Assertion and reason both are correct statements and reason explains the assertion.
(b) Both assertion and reason are wrong statements.
(c) Assertion is correct statement and reason is wrong statement.
(d) Assertion is wrong statement and reason is correct statement.
(e) Assertion and reason both are correct statements but reason does not explain assertion.
Assertion (A) Vitamin D can be stored in our body.
Reason (R) Vitamin D is fat soluble vitamin.

Q.

Which of the following is not a target molecule for drug function in the body?

(a) Carbohydrates
(b) Lipids
(c) Vitamins
(d) Proteins

Q.

Why is it important to get enough vitamins?

Q. Which of the following statements is not true about enzyme inhibitors?

1. Inhibitors can be competitive or non-competitive.
2. Generally, a strong covalent bond is formed between an inhibitor and an enzyme.
3. Prevent the binding of the substrate.
4. Inhibit the catalytic activity of the enzyme

Q.

How are vitamins classified? Name the vitamin responsible for the coagulation of blood.

Q.

Which of the following acids is a vitamin?
(a) Aspartic and (b) Ascorbic acid (c) Adipic acid (d) Saccharic acid

Q.

Match the vitamins given in Column I with the deficiency disease they cause given in Column II.
$\begin{array}{cc}ColumnI& ColumnII\\ \left(Vitamins\right)& \left(Diseases\right)\\ A.VitaminA& 1.Perniciousanaemia\\ B.Vitamin{B}_1& 2.Increasedbloodclottingtime\\ C.Vitamin{B}_{12}& 3.Xerophthalmia\\ D.VitaminC& 4.Rickets\\ E.VitaminD& 5.Muscularweakness\\ F.VitaminE& 6.Nightblindness\\ G.VitaminK& 7.Beri-beri\\ & 8.Bleedinggums\\ & 9.Osteomalacia\end{array}$

Q.

Why must vitamin C be supplied regularly in diet?

Q. Which of the vitamins given below is water soluble?
(JEE Main, 2015)

1. Vitamin C
2. Vitamin D
3. Vitamin E
4. Vitamin K

Q. Pick out the wrong combination.

1. Haemoglobin
2. Kreb Cycle
3. Mg⁺² Photosynthesis
4. Vitamin B-12

Q. Match the vitamins with their functions in our body

1. Enzyme cofactor
2. Hormone function
3. Cell growth
4. Antioxidants

Q.

Choose the correct option of a fat soluble vitamin from the following:

1. B, C, D, K

2. A, D, E, K

3. A, B, D, K

4. A, B, C, D

Q. The vitamin which is neither soluble in water nor in fat is:

1. Biotin
2. Pyridoxine
3. Phylloquinone
4. Thiamine

Q.

Match the following:

$\begin{array}{cc}\text{List I}& \text{List II}\\ \text{i) Riboflavin}& \text{p) Beri beri}\\ \text{ii) Thiamine}& \text{q) Scurvy}\\ \text{iii) Pyridoxine}& \text{r) Cheilosis}\\ \text{iv) Ascorbic acid}& \text{s) Convulsions}\end{array}$

1. $i\to s,ii\to q,iii\to p,iv\to r$
2. $i\to p,ii\to s,iii\to r,iv\to q$
3. $i\to r,ii\to s,iii\to p,iv\to q$
4. $i\to r,ii\to p,iii\to s,iv\to q$

Q. Which of the following B-group vitamins can be stored in our body?

1. Vitamin $B_1$
2. Vitamin $B_2$
3. Vitamin $B_6$
4. Vitamin $B_{12}$

Q. Assertion :Vitamin D cannot be stored in our body. Reason: Vitamin D is fat soluble vitamin and is excreted out of the body with urine.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Which of the following statements is not true about enzyme inhibitors?

1. Inhibitors can be competitive or non-competitive.
2. Generally, a strong covalent bond is formed between an inhibitor and an enzyme.
3. Inhibit the catalytic activity of the enzyme
4. Prevent the binding of the substrate.

Q.

Why cannot vitamin C be stored in our body?

Q. The common term used for water soluble proteins is:

1. glutamin
2. globulin
3. albumin
4. conjugated proteins

Q.

What are the side effects of using peptides?

Q. Vitamin E is also called as

1. Ascorbic Acid
2. Cyanocobalamin
3. Tocopherol
4. Lactoflavin