Which of the following statements are correct?
1. Scratching birds have strong legs with three toes in front and one toe at the back.
2. Perching birds have two toes in front and two at the back. 3. Climbing birds have three toes pointed upwards and one pointed downwards.
4. Wading birds have long legs with spread out toes.
A1 and 4
B2 and 3
C1 and 3
D2 and 4
Clothes are made from X which in turn is made from Y . We get Y from Z .
|C||Fabric||Fibre||Plants and animals|
|D||Fibre||Fabric||Plants and animals|
Three glasses P, Q and R having equal amount of water were taken at room temperature and equal amount of salt was added to each one of them. After that, P was cooled, Q was heated and R was left undisturbed. Water in which glass will now taste most salty?
D All will taste the same.