Question 1:
What is required by seeds to sprout ?
Answer:
Air, water and soil is required by a seed to sprout.
Question 2:
Why Chana swells up on soaking ?
Answer:
Chana absorbs water on soaking and swells up.
Question 3:
Why we should eat sprouted pulses and chana ?
Answer:
Sprouted chana and pulses are more nutritious than normal chana (not sprouted). Therefore, we should eat sprouted pulses and chana.
Question 4:
How the seeds of plant spread ?
Answer:
1. Seeds of some plants spread by air.
2. Seeds of some plants have hooks, with the help of these hooks they stick to the clothes of man and hair of animals.
3. Some plants themselves spread their seed.
4. Man also knowingly or unknowingly take the seeds from one place to other.
Question 5:
How did the idea of velcro came to the Mestral of Switzerland ?
Answer:
One day george Mestral came from a walk with his dog. He was amazed to find seeds sticking all over his clothes and on his dog’s fur. He observed that these seeds had many tiny hooks which got stuck to clothes or fur. This gave Mestral an idea of making velcro. He made a material with similar tiny hooks that would stick. Velcro is used to stick together many things—clothes, shoes, bags, belts and many more.
Question 6:
Do you know from where chillies came to our country ?
Answer:
These were brought to India by traders coming from South America. Now it is grown in the whole India.
Question 7:
Write the names of seeds which are used in spices.
Answer:
Dhania, Illaichi, Saunf, Zeera and black pepper are used in spices.
Question 8:
Have you ever seen any seed flying ?
Answer:
Yes, seeds of some plants fly in the air. These seeds are light, they have small hairs.