Sources of Energy — Science STD 10 — Question

Which of the following statements is not true with respect to variation?

Select from the following the correct statement about tropic movement in plants:

Find odd one out :

The defect of vision in which the person is able to see distant object distinctly but cannot see nearby objects clearly is called :

Sodium carbonate is a basic salt because it is a salt of a :

Which of the following groups contain only biodegradable items?
a. Grass, flowers and leather
b. Grass, wood and plastic
c. Fruit peels, cake and lime-juice
d. Cake, wood and grass

Characters that are transmitted from parents to offspring during reproduction show:

An ecosystem includes :

The angle between the two refracting surface of a prism is called angle of :