P-2 Animal Classification — Science STD 10 — Question

In which direction do electrons flow?

On what basis is a chemical equation balanced?

What is the reason for twinkling of stars ?

Name two sources of energy that you think are renewable. Give reason for your choice.

How would you show that silver is chemically less reactive than copper?

Which of the processes, sexual reproduction or asexual reproduction, brings about maximum variations in the offsprings?

Name one plant part which exhibits positive thigmotropism.

Write the full form of OTE.

What is the current in a circuit if the charge passing each point is 20C in 40s?

Which type of disaster is described in the following statements: Because of lack of crops, people from Vidarbha are migrating to other regions.