Measurement of Time and Motion — Science STD 7 — Question

How water in an aquifer can be pumped out?

State whether the following statements are True or False. Correct the false statement: Penguins stick together to fight the cold polar climate.

Pick the odd-one-out from each of the groups given below on the basis of respiratory organs. Give reason for your answer. Snake, tadpole, crow, goat.

Name the two modes of nutrition.

Identify a spherical lens which is thicker at the Center and thinner at edges.

Name the different types of teeth found in mouth.

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

Why are earthworms called a farmer’s friend?

Name the three processes involved in treatment of wastewater.

State whether the following statements are True or False. If false, write the correct statement: Water vapour is the gaseous form of water.