Download App

Improvement in Food Resources — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceImprovement in Food Resources2 Marks
Question
Explain advantages of irrigation.
✓

Answer

Advantages of irrigation:
  1. It is necessary to provide sufficient moisture for the germination of seeds.
  2. Irrigation of crop plants is essential for the growth and elongation of roots of the crop plants.
  3. It is necessary to increase the number of aerial branches in crop plants.
  4. It is essential for the absorption of nutrient elements by the crop plants from the soil.

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

Define enterocoelom.

→

What is alternation of generation?

→
Which of the following conditions will give the most benefits? Why?
  1. Farmers use high-quality seeds, do not adopt irrigation or use fertilizers.
  2. Farmers use ordinary seeds, adopt irrigation and use fertilizer.
  3. Farmers use quality seeds, adopt irrigation, use fertilizer and use crop protection measures.
→
Which molecules are present in chromatin.
→
Do you agree that “A cell is a building unit of an organism”. If yes, explain why?
→
Tabulate differences between plants and animal tissues.
→

What is the name of sheath of nerve fibre?

→

Define artificial insemination. Write down two advantages of it.

→
Why is endocytosis found in animals only?
→
Give one word for:
  1. Zig-zag thickenings in cardiac muscles.
  2. Thickening present in sclerenchyme cell.
→