Download App

STD 12 - 8. microbes in human welfare — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 8. microbes in human welfare1 Mark
MCQ
Biofertilizers include
  • A
    Cowdung manure and farmyard waste
  • B
    A quick growing crop ploughed back
  • ✓
    $BGA$/Anabaena and Azolla
  • D
    All the above
✓

Answer

Correct option: C.
$BGA$/Anabaena and Azolla
c
It’s obvious.

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 STD 12 - 8. microbes in human welfare→STD 12 - 8. 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

Formation of additional embryo from part of the same embryo or embryo sac is:
→
Growth curve is normally:
→
Golden rice is a transgenic crop of the future with the following improved trait.
→
Yeast have been used for the commercialproduction of

$I.$ ethanol                 $II.$ bread

$III.$ Toddy drink         $IV.$ Biogas

Choose the correct option

→
Examples of chemicals produced by plants as a defense against grazers and browsers

$I.$ Nicotine

$II.$ Caffeine

$III.$ Quinine

$IV.$ Strychnine

$V.$ Opium

Choose the correct combination

→
In order to find out the different types of gametes produced by a pea plant having the genotype $AaBb$, it should be crossed to a plant with the genotype
→
The primitive type of stamens are found in which of the following family?
→
Chromosome $1$ has most genes $Y$ has the fewest .......
→
Avicennia, Rhizophora and Atriplex are :
→
............. deals with techniques of using liveorganisms or enzymes from organisms to produce products and processes useful to humans
→