Which of the following is an aquatic plant ?

1. Rice
2. Mango
3. Vallisneria
4. Cactus

Which of the following categories of animals have a streamlined body shape ?

1. Birds and Reptiles
2. Fish and Amphibians
3. Fish and Birds
4. Birds and Mammals

The animal which has a thick skin covered with fur is :

1. Whale
2. Cat
3. Camel
4. Yak

Fill in the blanks with a suitable word :

1. In birds, …………… are modified into wings.
2. The mountain goat has strong …………… for running up on rocky slopes of the mountains.
3. The hump of a camel is full of …………… which serves as the reserved food.
4. Whales are …………… mammals.
5. The kind of flowers in which pollination occurs with the help of water is termed as …………… flower.