Download App

Improvement in Food Resources — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceImprovement in Food Resources2 Marks
Question
Define:
Bio fertilizer.
✓

Answer

Biofertiliser are living organism used as fertiliser to supply the nutrients to crop plants. g., nitrogen fixing blue green algae, nitrogen fixing bacteria, which fix atmospheric nitrogen in soil, rice fields, are called as biofertiliser.

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 "Answer the questions.[Bio-2M]" from Improvement in Food Resources→Improvement in Food Resources — all question types→Science STD 9 question papers→CBSE Board STD 9 question papers→CBSE Board question paper generator→

Similar questions

Give one example of an Indian and foreign poultry breed which when crossed produce an improved variety. List any one desirable trait expected from such cross breeding.
→

Name the following:

  1. Multinucleate muscle fibre.
  2. Spindle shape muscle fibre.
→

What is the function of ciliated epithelium?

→

Describe functions of squamous epithelial tissue.

→

Write one main function of:

  1. Apical meristem.
  2. Lateral meristem.
→
What are the genes? Where are they located in the cell?
→
Name the two organelles in a plant cell that contain their own genetic material and ribosomes.
→

Name the plant tissue found in the husk of coconut and also identify the chemical which is responsible for its stiffness.

→
How are diseases transmitted in crops?
→

What is the importance of tissues?

→