Nutritive requirement MCQ Advance Level

Nutritive requirement -Advance Level

Dear Readers,

Compared to other sections, Zoology is considered to be the most scoring section. If prepared thoroughly, Zoology can help students to secure a position in the exam. These questions are very important in achieving your success in Exams after 12th.

Q1. Which one is associated with vitamin D

•  Tocopherol
•   Ergosterol
•  Cholesterol
•  Both (b) and (c)

No Exlpaination.

Q2. Vitamin D is synthesised in skin by the action of sunlight on

•  Cholesterol
•  7-hydroxy cholesterol
•  Cephalo-cholesterol
•  All of these

Vitamin D3 (cholecalciferol) is synthesized in the skin by the reaction of 7-dehydrocholesterol with UVB radiation, present in sunlight with an UV index of three or more. Vitamin D4 is an analog scientifically known as 22-dihydroergocalciferol.

Q3. Which is not available from plants

•   Riboflavin
•  Vitamin B12
•  Niacin
•  Vitamin C

No Explaination

Q4. Main cation of extracellular fluid is

•  Iron
•  Potassium
•  Calcium
•   Sodium

Within the extracellular fluid, the major cation is sodium and the major anion is chloride. The major cation in the intracellular fluid is potassium. These electrolytes play an important role in maintaining homeostasis.

Q5. Which one is rich in Magnesium

•  Milk
•  Meat
•   Soyabean
•  Apple

In general rich sources of magnesium are greens, nuts, seeds, dry beans, whole grains and low-fat dairy products. The recommended dietary allowance for magnesium for adult men is 400-420mg per day.

Q6. Cyanocobalamine is required for the formation of

•  RBC
•  WBC
•  Lymph
•  Platelets

Cyanocobalamin is a manufactured form of vitamin B12 used to treat vitamin B12 deficiency

Q7. Vitamin nicotinamide can be synthesised in our body from

•   Tyrosine
•   Tryptophan
•  Valine
•  Phenylalanine

Tryptophan is an amino acid. Nicotinamide is a vitamin. Nicotinamide can be synthesized in the human body from tryptophan.

Q8. Which one is essential for DNA replication and cell division

•  Vit. E
•   Folic acid
•  Vit. K
•  Vit. D

Folic acid is a water-soluble vitamin that is important for DNA synthesis and cell division, especially in tissues with high rates of cell multiplication, such as the bone marrow and intestine.

Q9.  Which one is a nitrogenous polysaccharide

•  Chitin
•  Cellulose
•  Glycogen
•  Starch

Chitin is an important component of the cell wall of fungi. It is a long chain polymer of N-acetylglucosamine. It is derived from glucose by the addition of an acetyl group to a nitrogen atom bonded to glucose.

Q10. Enzymes which acts similarly are called as

•  Isoenzymes
•  Cofactor
•  Coenzymes
•  All of these

Isoenzymes are enzymes that catalyze identical chemical reactions but are composed of different amino acid sequences. They are sometimes referred to as isozymes