Motion — Science STD 9 — Question

The inertia of a moving body makes it:

Multicellular eukaryotes with cell walls come under the group ?

Stomata are enclosed by:

Name the change of state in which naphthalene changes into vapour:

Which material did you use in the laboratory to observe vacuoles?

Naked seeds are present in:

1. Pinus.
2. Mango.
3. Mustard.
4. Lemon.

Identify the organelle present only in animal cells:

Active divisions take place in the cells of:

Green plants in an ecosystem are called:

1. Producers.
2. Consumers.
3. Decomposers.
4. None of the above.

Bohr's atomic model can explain the spectrum of: