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2181. Four mineral nutrients required in large quantities by humans are

A. nitrogen, potassium, manganese and cobalt

B. potassium, copper, manganese and calcium

C. phosphorus, calcium, sodium and magnesium

D. calcium, sulphur, molybdenum and zinc

Explanation:

2182. Which of the following does not belong to the group of vitamin B complex ?

A. Thiamine

B. Retinol

C. Riboflavin

D. Folic acid

Explanation:

2183. The purest form of iron is

A. steel

B. cast iron

C. pig iron

D. wrought iron

Explanation:

2184. Which of the following vegetable proteins is considered as good as an animal protein ?

A. Soyabean protein

B. Corn protein

C. Wheat protein

D. Bengal gram protein

Explanation:

2185. The fastest growing plant is

A. Arecanut

B. Mango

C. Eucalyptus

D. Coconut

Explanation:

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