Question

. A man pushes a trolley ________ energy and the trolley on which work is done, __________ energy.

1 point

Gains, loses

Loses, gains

Loses, loses

None of the above

2. The total amount of work done is numerically equal to its

1 point

Displacement

Force

Height

Energy

3. The ability to do work is due to

1 point

Motion of the body

Position of the body

Both

None of the above

4. Proton and neutron in the nucleus of an atom are called

1 point

Nucleons

Nuclear particles

Charged particles

Mass particles

5. The smallest particle of matter is

1 point

Molecule

Atom

Compound

Mixture

6. Ferrous and Ferric ions have valency

1 point

+1 and +2 respectively

+2 and +3 respectively

-2 and -3 respectively

+1 and +3 respectively

7. Meristematic tissues are found in the

1 point

Growing tips of a plant body

Root hairs

Whole stem

All the above

8. Meristematic cells are

1 point

Rich in cytoplasm

Thin walled, prominent nuclei

Lacks spaces between them

All the above

9. How dermal cells control evaporation from leaf surfaces?

1 point

By using protective function

Because it is the outermost layer

Due to waterproof coating on their thick walled surface

Due to its gas exchanging capacity

10. Permanent tissue has

1 point

Less cytoplasm

More and more cell dividing capacity

Large and prominent nucleus

None of the above​

Answer 1

Answer:

1.)loses,gains

2.) displacement

3.)both

4.)nucleons

5.)atom

6.)+2,+3 charge

7.)root hairs

8.)rich in cytoplasm

9.)due to water proof coating...

10.)more and more cell dividing capacity

Explanation:

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