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Practice each question, then open the answer or worked solution.
Differentiate between pisciculture and aquaculture.
Pisciculture is the culture of just fishes to obtain products of fish whereas aquaculture is the culture of all aquatic plants and animals.
Give two important contributions of Dr M. S. Swaminathan.
i. Dr M. S. Swaminathan is known as the ‘Father of Green Revolution’ in India. He developed high-yielding varieties of wheat in India.
ii. He is an advocate of moving India to sustainable development.
The term ‘desirable trait’ can mean different things for different plants. Justify the statement with suitable examples.
If the character of height is taken into consideration, tallness can be desirable for one plant whereas undesirable for another plant. The same is the case with dwarfness.