Light — Science STD 7 — Question

Which mode of transfer of heat is responsible for sea breeze and land breeze in the coastal regions?

Name the salt formed when hydrochloric acid reacts with sodium hydroxide solution (a base).

If the current through the coil stops flowing. Will the coil remain an electromagnet?

How respiration does occur in plants?

Fill in the blanks with suitable words: Digestion of food starts in and gets completed in .

Name the parts of the alimentary canal where
(a) water gets absorbed from undigested food
(b) digested food gets absorbed
(c) taste of the food is perceived
(d) bile juice is produced

On which factor does the time period of a simple pendulum depends?

Whether food is made in all parts of a plant or only in certain parts?

Is lime water an acidic or basic solution?

Is the puberty age of a male and a female the same?