Free Mineral Nutrition (Daily Quiz: 3) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

"Reclamation" and "Little leaf" disease, caused by deficiency of

(a) Cu and Zn

(b) Cu and B

(c) Zn and Mo

(d) Mn and Cu

Question-2

A gardner purchases a commercial fertilizer. The label says that it is 10-20-10. This label refers to the

(a) percentage of nitrogen, carbon and oxygen.

(b) percentage of nitrogen, phosphate and potassium.

(c) rate at which nitrogen is released from the fertilizer.

(d) ratio of organic to inorganic matter in the fertilizer.

Question-3

Which is the main amino acid that is used for transamination?

(a) Proline

(b) Tyrosine

(c) Glutamic acid

(d) Alanine

Question-4

Assertion :
Nitrogen is the essential nutrient element required by plants in the greatest amount.
Reason :
Nitrogen is absorbed mainly as $NO_{3}^{-}$ though some are also taken up $NO_{2} ^{–}$ or $NH_{4} ^{+}$

(a) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.

(b) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

(c) If Assertion is true but Reason is false.

(d) If both Assertion and Reason are false.

Question-5

For its action, nitrogenase requires

(a) $MN^{2+}$

(b) Light

(c) Super oxygen radicals

(d) High input of energy