Test: Food and its Components - Class 6 MCQ

X could be a carnivore that feeds on Z but not on Y.

Both X and Y could be herbivores and Z could be a carnivore whose population declines as it does not prey on both X and Y.

If X and Y are herbivores, then X has higher reproductive potential than Y.

None of these

Deficiency of X and Y causes night blindness and scurvy respectively.

X helps in building strong bones and teeth while Y helps in keeping eyes and skin healthy.

Deficiency of Z causes pellagra.

V is a group of several vitamins which forms vitamin complex.

X is formed in leaves of plants during photosynthesis.

Z is essential for the normal functioning of thyroid gland.

Consumption of excess of Y can cause marasmus.

 Z helps in formation of haemoglobin in the body.

P - (iii) - (b); Q - (i) - (c); R - (iv) - (a); S - (ii) - (d)

P - (ii) - (c); Q - (i) - (d); R - (iii) - (a); S - (iv) - (b)

P - (iv) - (a); Q - (ii) - (c); R - (i) - (b); S- (iii) -(d)

P - (i) - (b); Q - (iv) - (a); R - (iii) - (c); S - (ii) - (d)

Q could be glucose which is instant source of energy.

Deficiency of S causes anaemia which is characterised by pale body colour, body fatigue, etc.

Deficiency of R causes beriberi while deficiency of S causes goitre.

P could be butter which gives an oily patch on the filter paper.