Nutrient Substances — 7 Chemistry PYQs with Answers | UKPSC PYQ Hub

Question 1

Coprophagy is seen in:

Accepted Answer

Rabbits. Coprophagy (From the Greek "to eat dung") is a behavior where an animal ingests its own excreted feces. It has been observed in rabbits, mouse, hamster, guinea pigs and chinchillas. This behaviour is more accurately called cecotrophy, in herbivorous animals the rabbits..

Question 2

The levels of which Vitamins are kept high in the poultry feeds?

Accepted Answer

Vitamin A and Vitamin K. Vitamin A and K are kept high in the poultry feeds. Vitamin A supports growth, vision and fertility. Vitamin-K is important for blood clotting and bone health.

Question 3

Proteins are made up of

Accepted Answer

Amino acids. Proteins are made up of amino acids. Proteins are complex organic compounds composed of Carbon, hydrogen, oxygen and nitrogen. Amino acids are the building blocks of proteins and they are essential for growth, tissue repair and various biological functions.

Question 4

The Chemical name of Vitamin C is

Accepted Answer

Ascorbic Acid. Vitamin-C or L-ascorbic acid is an essential nutrient for humans and various other animal species. It acts as a vitamin. It is crucial for many metabolic reactions in both plants and animals.

Question 5

In which of the following, 'Vitamin C' is found in highest quantity?

Accepted Answer

Guava. Guava is the fruit with the highest concentration of Vitamin-C. Plant Vitamin C concentration in mg (100 g) Guava 100 Carrot 14 Mango 28 Orange 50

Question 6

Enzyme is a

Accepted Answer

Bio-catalyst. Enzymes are natural bio-catalysts which are highly efficient and versatile biocatalysts that have vital roles in living organisms. Most enzymes are proteins, which are complex, large, well-defined.

Question 7

In which of the following cereals is the protein quantity highest?

Accepted Answer

Soybean. Among the given options, Soybean has the highest protein content. Soybean has roughly 37 grams of protein per 100 grams. It can be consumed as tofu, soya nuggets, roasted soya, soya milk etc. The other pulses that have high protein content are: