Name the single land mass from which different continents have originated.

Name the plant from which commercial cork is obtained.

Name a single wild rice species from India.

Name two animals from which fibres are obtained?

Name the plants from which we obtain vegetables.

Name the raw material from which gin is obtained.

Name a single celled organism which can change its shape.

Name the physical quantity which is same different in all bulbs when three bulbs are of different wattage are connected in series.