Download App

Improvement in Food Resources — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceImprovement in Food Resources1 Mark
Question
Pesticides are _________ chemicals.
✓

Answer

Pesticides are toxic chemicals.
Explanation:
Pesticides are the only toxic substances released intentionally into our environment to kill living things. This includes substances that kill weeds (herbicides), insects (insecticides), fungus (fungicides), rodents (rodenticides), and others.

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 "Do as directed; [Bio-1 M]" 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

Mention one criterion for selection of mixed crops.
→
Where are smooth muscle tissues located in the body?
→

Nutrients can be provided to crops by fertilizers only.

→
Explain the various factors which are responsible for the loss of stored food grains.
→

Mention one advantage of crop rotation.

→

Give one disadvantage of fertilizers.

→

Why it is difficult to develop vaccines for some diseases?

→
Worm castings in the vermicompost have nutrients that are 97% utilizable by the crop plants.
→

What is the name of excretory structure of flatworms?

→

What is full form of BCG?

→