Nutrients

Q.

Nitrogen, Phosphorus, Potassium are examples of

1. micro-nutrients

2. macronutrients

3. fertilizer

4. both (a) and (b)

Q. Cereals such as wheat, rice, maize, millets and sorghum are the sources of:

1. Carbohydrates
2. Fats
3. Vitamins
4. Proteins

Q.

Nitrogen, phosphorus, and potassium are examples of:

1. Micro-nutrients

2. Macronutrients

3. Fertilizers

4. Both (a) and (b)

Q.

Do plants require zinc as a micronutrient?

Q.

Question 1
What are the macronutrients and why are they called macronutrients?

Q. The macronutrient, ______ is important for the opening and closing of stomata.

1. manganese
2. magnesium
3. iron
4. potassium

Q. Haemoglobin is formed from an iron-containing part called .......................... and a protein called............................ .

Q. Choose the word/phrase which is opposite in meaning to the italicized bold word/phrase in the sentence.
He is always hungry for wealth.

1. satiated
2. greedy
3. ravenous
4. famished

Q. Which of the following fertilizer is used for the increased production of coffee, corn and soybeans?

1. Phosphatic fertilizer
2. Nitrogenous fertilizer
3. Potassium fertilizer
4. Nitrogen and potassium combined fertlizer

Q. State whether the following statements are
true or false:

• Dietary fibres are also called roughages.
  
• Humans can survive without water for a few weeks.

Q. The most common monomer of carbohydrates a molecule of

1. glucose
2. maltose
3. amino acid
4. phospholipid

Q. Which of the following is a protein deficiency disease?

1. Hypocalcemia
2. Marasmus
3. Pellagra
4. Osteomalacia

Q.

___ are the substances required by an organism as food for body activities.

Q. Select odd one out.

1. Kwashiorkor
2. Amoebiasis
3. Goitre
4. Night blindness

Q. Select odd one out.

1. Night blindness
2. Goitre
3. Kwashiorkor
4. Amoebiasis