Apart from the nucles, which of the two cell organells have independent DNA?

Name two cell-organelles that are double membrane bound. What are the characteristeics of these two organelles? State their functions and draw labelled diagrams of both.

The number of litres of petrol you buy to fill a car's petrol tank will decide the amount you have to pay. Which is the independent variable here? Think about it.

Describe the structure of one cell organelle, which is considered as semiautonomous organelle and also called powerhouse of cell.

Which of the two C-CI bond shown below will have more dipole moment and why?

The K.E of two different masses are equal.Which of the masses,lighter or heavier will have greater momentum?

Speeds of two identical cars are v and 4v at a specific instant. The ratio of respective distances in which the two cars are stopped from that instant is

A ball is projected horizontally from certain height. At the same time another ball is dropped? Which of the two will land on the ground first? Why?

Torques of equal magnitude are applied to a hollow cylinder and a solid sphere, both having the same mass and radius. The cylinder is free to rotate about its standard axis of symmetry, and the sphere is free to rotate about an axis passing through its centre. Which of the two will acquire a greater angular speed after a given time?