Natural Resources — Science STD 9 — Question

Cells regulate their activity through:

............... takes part in the formation of lysosomes:

Which is the following is known as “physical basis of life”?

In higher chordates, notochord is transformed into:

1. Cranium.
2. Limbs.
3. Vertebral column.
4. Both (b) and (c).

Liquids can be poured easily whereas solids cannot be pour because of:

Major constituent of bone is:

Phloem in the plants perform the function of:

he numerical ratio of displacement to distance for a moving object is:

1. Always less than 1
2. Equal to 1 or more than 1
3. Always more than 1
4. Equal to 1 or less than 1

Which of the following can produce longitudinal waves as well as transverse waves under different conditions?

1. Water.
2. TV transmitter.
3. Slinky.
4. Tuning fork.

‘Taxa’ differs from “taxon” due to:

1. This being a higher taxonomic category than taxon.
2. This being the lower taxonomic category than taxon.
3. This being the singular of taxon.
4. This being the singular of taxon.