The place where a river flows into another body of water is called____________

• river’s mouth

• river’s nose

• river’s leg

• all of these

What do you mean by river basin?

• A river basin is the portion of land drained by a river and its tributaries.

• A river basin is the portion of Ocean drained by a river and its tributaries.

• A river basin is the portion of land drained by a sewage and its branches

Tributaries can be defined as-

• Tributaries are the small tanks that join the main sewage tank.

• Tributaries are the small ponds that join the main tank.

• Tributaries are the small rivers that join the main river.

• Tributaries are the small lakes that join the main river.

Which of the following are the worlds largest river basin?

• the Mississippi Basin

• The Amazon Basin

• the Río de la Plata basin

• the Nile Basin

How is the climate of Amazon basin characterized?

• By cold and wet

• By hot and wet

• By dry or wet

• None of these

At night the temperature goes down in the Amazon basin but the humidity

• remains same

• remains low

• remains high

• none of these

The forests are in fact so thick that the dense ‘roof is created by

• cement

• concrete

• leaves

• stones

Which kind vegetation can be seen in rainforests?

• thorny bushes

• dry vegetation

• Mangrove

• shade tolerant vegetation

Toucans are the type of

• animals

• crops

• birds

• reptiles

Manioc food belongs to the area of

• South America

• South Africa

• Amazon area

• Ganga basin