Free Mineral Nutrition (Daily Quiz: 11) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Assertion:
Some prokaryotes can fix atmospheric nitrogen.
Reason:
Nitrogenase is exclusively present in some prokaryotes.

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

(b) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.

(c) If the assertion is true but the reason is false.

(d) If both the assertion and reason are false.

Question-2

'Hunger signs' in plants are :

(a) Sympotms due to poor photosynthesis in plants

(b) Deficiency symptoms of particular mineral nutrients

(c) Symptoms due to lesser water absorption in plants

(d) None of the above

Question-3

In which of the following all three are macronutrients?

(a) Nitrogen, potassium, phosphorus

(b) Boron, zinc, manganese

(c) Molybdenum, magnesium, manganese

(d) Iron, copper, molybdenum

Question-4

Which of the following is not caused by deficiency of mineral nutrition?

(a) Chlorosis

(b) Necrosis

(c) Etiolation

(d) Shortening of internodes

Question-5

Which of the following pigments is essential for the nitrogen fixation by leguminous plants?

(a) Phycocyanin

(b) Anthocyanin

(c) Phycoerythrin

(d) Leghaemoglobin