Improvement in Food Resources — Science STD 9 — Question

Which type of tissues are more common in plants.

What are boutons?

It is suggested to wear socks and full sleeves to prevent the attack from dengue. Why?

1. Puccinia causes ________ disease in wheat.
2. Blast is a _________ disease of paddy.
3. Chemical used to kill weeds are called ________.
4. Pesticides are ________ chemicals.

1. rust, fungal, weedicides, toxic.
2. fungal, rust weedicides, toxic.
3. rust, viral, pesticides, toxic.
4. rust, bacterial, weedicides, toxic.

What is pest?

How many categories are there in hierarchy classification?

Name the cell which causes phagocytosis.

What are macronutrients of the plants?