Atoms and Molecules — Science STD 9 — Question

Distance is:

Who has proposed two kingdom classification?

1. R.Whittaker.
2. Carolus Linnaeus.
3. Schimper.
4. Eichler.

Large schools of fishes in open sea are located with the help of:

Which of the following are covered by a single membrane?

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

Crossing between genetically dissimilar plants to obtain crops having useful characteristics:

Grass stem elongates by the activity of:

1. Primary meristem.
2. Secondary meristem.
3. Intercalary meristem.
4. Apical meristem.

Plant cells are rigid due to the presence of:

Endothelium of the inner surface of blood vessels in vertebrates is formed:

What will be the correct sequence of temperature when 25°C and 45°C are converted to Kelvin scale and Fahrenheit scale?