Q1. Answer the following:-
1. Mention the role of chlorophyll in photosynthesis.
2. Where is bill product? Which component of food does it digest?
3. Why are the silk Lustrous?
4. What is pendulum? What for a pendulum is used?
Answers
Answer:
1. Chlorophyll's job in a plant is to absorb light usually sunlight. The energy absorbed from light is transferred to two kinds of energy-storing molecules. Through photosynthesis, the plant uses the stored energy to convert carbon dioxide (absorbed from the air) and water into glucose, a type of sugar.
2. Bile is a fluid that is made and released by the liver and stored in the gallbladder. Bile helps with digestion. It breaks down fats into fatty acids, which can be taken into the body by the digestive tract.
3.Silk is a protein fiber produced by silkworms. Silkworms have a characteristic triangular arrangement, which gives silk a lustrous appearance. Besides, the weaving method of silk fabric can enhance its luster.
4.Pendulum, body suspended from a fixed point so that it can swing back and forth under the influence of gravity. Pendulums are used to regulate the movement of clocks because the interval of time for each complete oscillation, called the period, is constant.
Answer:
1. Helps in photosynthesis
makes the plant look green
2. Bile is produced in liver and stored in gall bladder.
it breaks down fats
3. The shimmering appearance of silk is due to the triangular prism-like structure of the silk fibre, which allows silk cloth to refract incoming light at different angles, thus producing different colors.
4. a weight hung from a fixed point so that it can swing freely, especially a rod with a weight at the end that regulates the mechanism of a clock.
Pendulums are used to regulate the movement of clocks because the interval of time for each complete oscillation, called the period