Explore topic-wise MCQs in Biochemistry.

This section includes 27 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following mineral is involved in protein metabolism and oxidation reactions?

A. Molybdenum
B. Manganese
C. Magnesium
D. calcium
Answer» B. Manganese
2.

Which of the following carbohydrate is effective in promoting the calcium absorption?

A. Lactose
B. Maltose
C. Sucrose
D. Xylose
Answer» B. Maltose
3.

What transports copper from the intestinal cells to the liver?

A. Ceruloplasmin
B. Secretin
C. Acrolein
D. Albumin
Answer» B. Secretin
4.

Which group is most often affected with copper deficiency?

A. Elderly woman
B. Alcoholics
C. Active toddlers with limited
D. Preterm infants food variety
Answer» B. Alcoholics
5.

What condition is caused by iodine deficiency during pregnancy and is characterized by stunted growth, deafness, and mental retardation?

A. Cretinism
B. Keshan disease
C. Multiple sclerosis
D. Crohn's disease
Answer» B. Keshan disease
6.

Iodine is a part of thyroid hormone and is essential for the prevention of

A. goiter
B. osteoporosis
C. muscle weakness
D. diarrhea
Answer» B. osteoporosis
7.

What is the main source of natural fluoride?

A. Mushrooms
B. Potatoes
C. Meat
D. Water
Answer» E.
8.

Which of the following mineral is involved in the enzyme -controlled energy yielding reactions of metabolism?

A. Calcium
B. Phosphorus
C. Iron
D. Copper
Answer» C. Iron
9.

The mineral which aids in the utilization of iron and in hemoglobin synthesis is

A. calcium
B. phosphorus
C. cobalt
D. copper
Answer» E.
10.

The mineral which is considered important in maintaining electrical potential in nerves and membranes is

A. magnesium
B. manganese
C. calcium
D. iron
Answer» B. manganese
11.

Wilson's disease is an example of __________ and Menkes' syndrome is an example of __________ .

A. zinc deficiency; zinc toxicity
B. zinc toxicity; zinc deficiency
C. copper deficiency; copper toxicity
D. copper toxicity; copper deficiency
Answer» E.
12.

Examples of goitrogenic foods are __________ and __________ .

A. turnips and corn
B. rutabagas and okra
C. raw cabbage and turnips
D. cassava and lettuce
Answer» D. cassava and lettuce
13.

Which of the following mineral deficiency may result into impaired growth and development, skin lesions and loss of appetite?

A. Zinc
B. Cobalt
C. Iron
D. Magnesium
Answer» B. Cobalt
14.

Which of the following is not a function of iron?

A. Oxygen transport
B. Immune function
C. Brain function
D. Gene regulation
Answer» E.
15.

Consumption of which nutrient leads to the multiplication of oral bacteria?

A. Fat
B. Carbohydrate
C. Protein
D. Fluoride
Answer» C. Protein
16.

Which trace mineral is a component of the enzyme that activates vitamin A in the eye?

A. Zinc
B. Iron
C. Iodine
D. Chromium
Answer» B. Iron
17.

Chronic consumption of excess selenium can lead to

A. brittle hair and nails.
B. muscle weakness,
C. TPN
D. diarrhea.
Answer» C. TPN
18.

An endemic disease of cardiomyopathy in children is attributed to

A. low Se in the environment
B. low intake of iron
C. high Se in the environment
D. high intake of iron
Answer» B. low intake of iron
19.

Normal glucose metabolism requires

A. chromium
B. manganese
C. magnesium
D. calcium
Answer» B. manganese
20.

Manganese is needed for

A. normal bone structure
B. reproduction and functioning of central nervous system
C. both (a) and (b)
D. muscle strengthening
Answer» D. muscle strengthening
21.

Which of the following is required as a component of blood hemoglobin?

A. Iron
B. Magnesium
C. Calcium
D. Copper
Answer» B. Magnesium
22.

Adding __________ to a breakfast of cereal will help your body absorb iron.

A. milk
B. orange juice
C. coffee
D. water
Answer» C. coffee
23.

Which of the following ion is required for the development of sound teeth with resistance to tooth decay?

A. Fluoride ion
B. Sodium ion
C. Chloride ion
D. Magnesium ion
Answer» B. Sodium ion
24.

Which of the following two beverages contribute 20 to 30 percent of our daily manganese intake?

A. Milk or tea
B. Cola or coffee
C. Tea or orange juice
D. Milk or orange juice
Answer» B. Cola or coffee
25.

Manganese is a key component of all of the following enzymes except

A. arginase
B. pyruvate carboxylase
C. ceruloplasmin
D. Mn-superoxide dismutase
Answer» D. Mn-superoxide dismutase
26.

Which of the following is necessary for the clotting of blood, functions of certain enzymes and control of fluids through cell membranes?

A. Calcium
B. Magnesium
C. Copper
D. Cobalt
Answer» B. Magnesium
27.

Selenium deficiency leads to

A. liver necrosis
B. diarrhea
C. multiple sclerosis
D. Crohn's disease
Answer» B. diarrhea