Biology - Study Mode

[#851] Which one of the following organisms is dependent on saprophytic mode of nutrition?
Correct Answer

(A) Agaricus

Explanation

Solution: Saprophytic fungi feed on dead plant and animal remains. Many are extremely beneficial, breaking down this organic material into humus, minerals and nutrients that can be utilised by plants. Agaricus is one among them.

[#852] Deficiency of which of the following causes non-clotting of blood?
Correct Answer

(B) Vitamin K

Explanation

Solution: Deficiency of vitamin K causes non-clotting of blood.

[#853] Organisms need nutrients in order to
Correct Answer

(A) Breaking down food

Explanation

Solution: They are necessary to the lives of people, plants, animals, and all other organisms. Nutrients help break down food to give organisms energy. They are used in every process of an organism's body. Some of the processes are growth (building cells), repair (healing a wound), and maintaining life (breathing).

[#854] Sugar is a component of which of the following?
Correct Answer

(C) Carbohydrates

Explanation

Solution: Sugar is a component of carbohydrates.

[#855] The main protein found in milk is ________
Correct Answer

(D) Casein

Explanation

Solution: Casein and whey protein are the major proteins of milk.