Download App

Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
Which one is a biofertilizer?
  • A
    VAM
  • B
    Sporeine
  • C
    Devine
  • D
    Agent Orange
✓

Answer

  1. VAM

Explanation:

VAM (Vesicular-arbuscular mycorrhizae) is formed by the symbiotic association between certain phycomycetous fungi and angiosperm roots. The fungus absorbs the water and nutrients from the soil and provides them to the plant while the angiosperms provide the prepared food to the fungi.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q [1M]" from Microbes in Human Welfare→Microbes in Human Welfare — all question types→BIOLOGY STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

$Statement 1$: Use of condoms is a safeguard against $AIDS$ and sexual diseases besides checking pregnancy

$Statement 2$: Certain contraceptives are planted under the skin of the upper arm to prevent pregnancy

→
During PCR technique the pairing of primers to ssDNA segment is called:
→
In $40\;\%$ angiosperms, the pollen grains are shed at
→
The phenomenon of using a predator for controlling a pest is:
→
Endosulphan is a
→
Formation of additional embryo from part of the same embryo or embryo sac is:
→
Which one of the following statements is correct?
→
Density of human population is determined predominatly by
→
Territoriality occurs as a result of:
→
Match the following list of bacteria and their commercially important products:
 
Bacterium
 
Product
i.
Aspergillus niger
a.
Lactic acid
ii.
Acetobacter aceti
b.
Butyric acid
iii.
Clostridium butylicum
c.
Acetic acid
iv.
Lactobacillus
d.
Citric acid
Choose the correct match:
→