PRACTICE QUESTIONS

Which of the following statements are incorrect regarding the disorders associated with deficiency of nutrients?

Consider the following statements about carbohydrates.

I. They are chemical compounds made up of carbon, hydrogen and oxygen.

II. They release energy on oxidation.

III. They are weak sources of energy.

IV. They yield energy at the rate of 5 KJ/g.

Which of the following statements are correct?

Which of the following statements are not true?

I. Autotrophs are capable of producing their own food from simple organic substances using light and energy.

II. Carnivores eat only animals while omnivores eat both plants and animals.

III. Heterotrophs depend on plants for food as they cannot synthesise their own food.

IV. Saprotrophs take their nutrients in solid form from dead and decaying matter.

Which of the following defines the term 'balanced diet' correctly?

Which of the following methods is generally used by farmers to separate lighter husk particles from heavier grains of wheat?

A doctor tells the following to the mother of a child:

I. The bones of her child have become soft.

II. The child is suffering from a deficiency of vitamin D.

III. The child's body needs minerals like calcium and phosphorous.

IV. Calcium comes from milk and its products.

The child may be suffering from _____ .

Which of the following sentences are false?

I. Vitamin C from cut fruits gets washed away as it is a water soluble nutrients.

II. Fats are also known as the structural components of the body.

III. Vitamin K that plays a major role in blood clotting is a water soluble nutrient.

IV. Salt contributes an important mineral called sodium to our diet.

Which of the following is not true regarding the implications of climate change on water resources?