State PCS PYQPrelims 2019

UPPCS · Question 46

Nitrogen fixing bacteria make combination with cells of the roots of

  1. Pulses
  2. Rice
  3. Wheat
  4. Sugarcane
Show answer & explanation

Answer: (A) Pulses

Explanation

Rhizobium bacteria form symbiotic nodules on the roots of leguminous plants (pulses) and fix atmospheric nitrogen.