Improvement in Food Resources — Science STD 9 — Question

Name the bacteria found in root nodules of leguminous plants.

Give one advantage of artificial insemination.

Which organ is affected if a person is suffering from jaundice?

1. Take 2ml of food extract.
2. Grind 3-5g of dal and prepare solution.
3. Add 2-3 drops of concentrated H₂SO₄.
4. Fitter the contents and collect the filter.

What is nomenclature?

_______ and _______ climate is more congenial for infestation of weeds, insect-pests and diseases.

Name the largest phylum of Invertebrata.

Weed management techniques aim at keeping the land weed free.