Free Mineral Nutrition (Daily Quiz: 4) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Knot like bodies known as 'nodules' are found in the roots of groundnut plant it is produced by

(a) Azotobacter

(b) Azospirillum

(c) Pseudomonas

(d) Rhizobium

Question-2

Brown heart rot of beets is due to deficiency of

(a) P

(b) Mg

(c) B

(d) Mo

Question-3

The cell of a root nodule in leguminous plant shows a rodshaped structure called _________.

(a) Infection thread

(b) Bacteroid

(c) Bacteria

(d) Ureide

Question-4

Which pigment is essential for nitrogen fixation by leguminous plants?

(a) Leghaemoglobin

(b) Phycoerythin

(c) Phycocyanin

(d) Myoglobin

Question-5

Which of the following is considered to be the elements between macronutrients and micronutrients?

(a) Nitrogen

(b) Iron

(c) Phosphorus

(d) Manganese