Economic Biology - Study Mode

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[#41] Tulsi plant has medicinal values due to the presence of the following.

(A) Inorganic Acid

(B) Organic Acid

(C) Phenols and Flavonoids

(D) None of the above

Correct Answer

(C) Phenols and Flavonoids

[#42] The hybrid between horse and donkey is called

(A) pony

(B) colt

(C) mule

(D) zebra

Correct Answer

(C) mule

[#43] With reference to Neem tree, consider the following statements. 1. Neem oil can be used as a pesticide to control the proliferation of some species of insects and mites. 2. Neem seeds are used in the manufacture of bio-fuels and hospital detergents. 3. Neem oil has applications in pharmaceutical industry. Which of the statements given above is/are correct?

(A) 1 and 2 only

(B) Only 3

(C) 1 and 3 only

(D) 1, 2 and 3

Correct Answer

(D) 1, 2 and 3

[#44] The application of fertilisers through the irrigation water is known to be as

(A) chemigation

(B) fertigation

(C) microgation

(D) None of the above

Correct Answer

(B) fertigation

[#45] Select the biofertiliser in the following.

(A) Compost

(B) Ammonium sulphate

(C) Cattle dung

(D) Algae and blue-green algae

Correct Answer

(D) Algae and blue-green algae