Class 5 EVS Chapter 5 Question Answers - Chapter 5 - Seeds and Seeds

Q1: Why do seeds swell up when soaked in water?
Ans: Seeds swell up when soaked in water because water enters the seeds and makes them expand.

Q2: What is a sprout?
Ans: A sprout is a germinated seed in which the stem and root have emerged. It is nutritious and can be eaten.

Q3: How can you make sprouts?
Ans: Take some chana or moong in a bowl, fill it with water, and let it soak overnight. Drain the water the next day, tie the seeds in a wet cloth, and hang them somewhere. Keep the cloth damp by wetting it regularly. After 2 days, the seeds will sprout.

Q4: What are the conditions necessary for sprout formation?
Ans: Both water and air are necessary for sprout formation. If seeds are kept soaked in water only, they will not sprout. If they are kept in the air only, they will not sprout.

Q5: Which plant traps and eats insects?
Ans: The Pitcher plant (Nepenthes) is a plant that traps and eats insects. It has a pitcher-like shape, and when an insect lands on the mouth of the plant, it slips into the pitcher and cannot escape.

Q6: What are the different shapes, colors, and textures of seeds?
Ans: Seeds can have different shapes, colors, and textures. They come in various sizes, colors, and can be smooth, rough, or bumpy.

Q7: How do seeds travel from one place to another?
Ans: Seeds can travel from one place to another through different methods such as being carried by air, water, or animals and birds.

Q8: How did the idea of making Velcro come about?
Ans: The idea of making Velcro came about when George Mestral observed seeds sticking to his clothes and his dog's fur after a walk. He discovered that the seeds had tiny hooks that stuck to surfaces, which inspired him to create Velcro.

Q9: What is Velcro used for?
Ans: Velcro is used to stick together many things like clothes, shoes, bags, belts, and more. It provides a convenient and reusable fastening solution.

Q10: Where did some common fruits and vegetables in India come from?
Ans: Some common fruits and vegetables in India came from different countries. The table provided in the chapter notes shows the origin of some of these fruits and vegetables.