Free Mineral Nutrition (Daily Quiz: 9) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

In 1860, ___________ for the first time demonstrated the concept of hydroponics.

(a) Von Sachs

(b) Van Neil

(c) Arnon

(d) Lundergarth

Question-2

Which of the following statements about nitrification is not correct ?

(a) Nitrosomonas and Nitrosococcus convert ammonium ions to nitrite. Mineral Nutrition 105

(b) Nitrobacter oxidizes nitrite to nitrate.

(c) Nitrification reactions are energy-producing (exergonic) reactions.

(d) Heterotrophic plants are more directly dependent on the nitrifying bacteria for usable nitrogen than autotrophic plants.

Question-3

Which one of the following is an amide involved in nitrogen assimilation by plants?

(a) Alanine

(b) Asparagine

(c) Glutamate

(d) Serine

Question-4

Mineral known to be required in large amounts for plant growth include:

(a) Calcium, magnesium, manganese, copper

(b) Phosphorus, potassium, sulphur, calcium

(c) Potassium, phosphorus, selenium, boron

(d) Magnesium, sulphur, iron, zinc

Question-5

Which aquatic fern performs nitrogen fixation?

(a) Nostoc

(b) Salvia

(c) Azolla

(d) Salvinia