[4 marks Questions] - Science STD 10 Questions - Vidyadip

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[4 marks Questions]

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2 questions · timed · auto-graded

Question 14 Marks

Distinguish between :
Producer organisms and Consumer organisms

Answer

Producer organisms	Consumer organisms
1. These are autotrophic organisms.	1. These are heterotrophic organisms.
2. They transform solar energy into chemical energy and prepare food through photosynthesis for themselves as well as for other organisms.	2. They consume other organisms or their products for their food.
3. Green plants in terrestrial ecosystem and various types of algae in aquatic ecosystem are producers.	3. Animals are consumers in any ecosystem.
4. Producers are not divided in any specific category.	4. Consumers are divided as herbivores, carnivores, omnivores and parasites categories.

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Question 24 Marks

Distinguish between :
Biodegradable wastes and Non-biodegradable wastes

Answer

Biodegradable wastes	Non-biodegradable wastes
1. The waste materials which can be broken down by biological processes are called biodegradable wastes.	1. The waste materials which cannot broken down by biological processes are called non-biodegradable wastes.
2. Disposal of these can be done by the activity of decomposers.	2. Disposal of these cannot be done by the activity of decomposers.
3. Biodegradable wastes are organic substances which are the products of living organisms.	3. Synthetic man-made substances are there in non- biodegradable wastes.
4. Decaying vegetables and fruits, peels, scales, dead bodies, etc. are biodegradable wastes.	4. Glass, plastics, polythenes, chemical pesticides, etc. are non-biodegradable wastes.

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