Correct the statements given below:
1. Silkworm feeds on the oak leaves.
2. Solar day is the SI unit of Time.
3. Crystallisation is the process used to make impure substances from the pure substances.
4. Sea breeze blows during the night time.
5. The blue pigment in the leaves is Chlorophyll.
i will give 100 point
Answers
Answer:
1.Tasar Silk is obtained from the cocoons of silkworms which are fed on leaves of Oak, Asan and Arjuna trees. Thus, Oak Tasar is a silk whose silk worm is reared on oak tree.
2.false,its seconds.
3.The principle behind the crystallisation is that the amount of solute that can be dissolved by a solvent increases with temperature. In crystallisation, the impure substance is dissolved in a suitable solvent to reach its nearly saturated solution at a temperature higher than the room temperature
4.The sea breeze strength will vary depending on the temperature difference between the land and the ocean. At night, the roles reverse. The air over the ocean is now warmer than the air over the land. The land loses heat quickly after the sun goes down and the air above it cools too.
5.Chlorophylls. The chlorophylls, a and b, are the pigments of photosynthesis. They are produced in chloroplasts in the photosynthetic tissues of the leaf. The chlorophyll molecules are very water repelling, partly because of the long phytol tail in the molecule.
Explanation:
hope this is helpful to u and i think this is so big ..sorry for long answer....