Soil — Science STD 7 — Question

Why did my cat have trouble chewing its food?

State an experiment to show that air exerts pressure.

Which type of teeth are used for chewing and grinding?

Boojho had the following parts of a rose plant-a leaf, roots, a branch, a flower, a bud and pollen grains. Which of them can be used to grow a new rose plant?

What is the motion of a child in a merry-go-round?

We should not eat hurriedly. Give reason.

Mention the mode of reproduction in the following organisms.
(i) Spirogyra
(ii) Yeast
(iii) Money plants

You are given the following materials. Classify them into metals and non-metals.
Iron, Coal, Sulphur, Gold, Nitrogen, Aluminium and Copper.

Name the gas used in photosynthesis.

If the filament of the bulb is broken, would the circuit be complete? Would the bulb still glow?