Tissues — Science STD 9 — Question

A car is moving on a circular track of radius R covering equal distance in equal intervals of time. This shows that the car has

A body is said to be underbalanced forces when the resultant force acting on the body is:

Of the following components of phloem is non-living:

A sprinter is running along the circumference of a big sports stadium with constant speed Which of following do you think is changing in this case?

1. Magnitude of acceleration being produced.
2. Distance covered by the sprinter per second.
3. Direction in which the sprinter is running.
4. Entripetal force acting on the sprit.

'All matter is composed of very small particles called Parmanu' was first suggested by:

Which of the following represents the solubility of sugar in water at 20°C?

1. 21g
2. 204g
3. 37g
4. 164g

Which of the following statements is not true:

Jaundice is a disease of:

1. kidney.
2. Liver.
3. Pancreas.
4. Duodenum.

The growing of different crops on a piece of land in pre-planned succession is called: 

 A tissue is a: