Transportation in Animals and Plants — Science STD 7 — Question

Fill in the blanks: In photosynthesis solar energy is absorbed by the pigment called ___________.

Fill in the blanks: Production of new individuals from the vegetative part of parent is called _____________.

What kind of roots are the food storage tanks for the plants?

State the nature of lemon juice.

Out of the two given clocks, a pendulum clock or a quartz clock. Mention which of the clock between the given ones requires an electric cell for its working?

What is fragmentation?

What is the purpose of using a cell holder in a circuit?

State whether the following statements are True or False. If false, give the correct statement:
Snow and ice both are solid form of water.

Name the scientist who discovered the magnetic effect of electric current.

Explain cellular respiration.