The Fundamental Unit of Life — Science STD 9 — Question

The Latin language name of an element is natrium. The English name of this element is:

1. Sodium.
2. Potassium.
3. Magnesium.
4. Sulphur.

Solid-gas colloid is:

Mass is a _______ quantity and weight is a _______ quantity:

The resultant of balanced forces is:

“Drones” in the honeybee colony are born out from;

In Rutherford's experiment, most of the alpha particles go straight through the foil because.

The atoms of which of the following pair of elements are most likely to exist in free state?

1. Hydrogen and helium.
2. Argon and carbon.
3. Neon and nitrogen.
4. Helium and neon.

A motorcycle and a car start from rest at the same place at the same time and travel in the same direction.The motorcycle accelerates uniformly at 1m/ s² up to a speed of 36km/ h and the car at  0.5m/ s² up to a speed of 54km/ h.Then the distance at which the car overtakes the cycle-

In a free fall the velocity of a stone is increasing equally ion equal intervals of time under the effect of gravitational force of the earth. Then what can you say about the motion of this stone? Whether the stone is having:

Which one of the following is cold-blodded animal?

1. Birds.
2. Monkey.
3. Rat.
4. Lizard.