Question: Define germination.
Answer: The process by which a seed forms into a new plant is called germination.
Question: Name any three things that a seed requires to germinate.
Answer: The three things that a seed requires to germinate are –
Question: Why do plants scatter their seeds?
Answer: Plants scatter their seeds in order to insure that they don’t grow to close to each other.
Question: Name any three parts of the plant other than the seed from which the a new plant can grow?
Answer: The three plants other than the seed from which a new plant can grow are –
Question: What is step farming?
Answer: In hilly areas people grow crops by cutting steps into the mountains known as step farming.
Question: Describe the process of germination.
Answer: The process by which a seed grows into a new plant is called germination.
Question: Define dispersal. Describe the different ways of seed dispersal.
Answer: The process by which seed are scattered away from the mother plant is called dispersal. The different ways by which the seeds can by dispersed are –
Question: Explain, with examples, the different parts of a plant from which new plants can grow.
Answer: The different parts of the plants from which a new plant can grow are the following –
1. Crops grown from November to April are called rabi crops.
1. Crop grown from June to October are known as kharif crops.
2. These crops do not depend on the monsoon rains.
2.These crops depend largely on the monsoon rains.
3. E.g. – Wheat and legumes.
3. E.g. – rice and maize.
Question: What is the importance of cotyledons for a plant?
Answer: Cotyledons provide food for the baby plant in the early stages of germination.
Question: Define agriculture. Write different stages of agriculture.
Answer: The practice of growing plants on a large scale for food or other purposes is called agriculture. The different stages are –
Question: What is negetative reproduction?
Answer: The process in which new plants are grown from the parts of the plant other than seed is called negetative reproduction.