By which process, a tadpole develops into an adult frog?
1). Fertilisation
2). Metamorphosis
3). Embedding
4). Budding
2. Gunpowder consist ofa mixture of
3. The slope of a velocity time graph represents
4. Iodized salt is beneficial for
5. Bakelite is a copolymer of Phenol and
6. Which one of the following is used as preservative for foodstuff ?
7. Metal are good conductors because
8. If the diameter of a capillary is doubled then the rise of water in it will be