Q.5 Brief:
1. A plastic cube is released in water. Will it sink or come to the surface of water?
2. How much pressure do we carry on our heads? Why don't we feel it?
3. what criteria was considered by Whittaker to classify the living organisms?
4. Classification of MICROBES.
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Answer:
1.The plastic cube is going to float on the surface of water as its density is less than that of water.
2.We carry atmospheric pressure of about 105 Pa on our heads. We don't feel it because this atmospheric pressure is balanced by the pressure created by the air and blood inside our body.
3.Whittaker proposed an elaborate five kingdom classification – Monera, Protista, Fungi, Plantae and Animalia. The main criteria of the five kingdom classification were cell structure, body organisation, mode of nutrition and reproduction, and phylogenetic relationships.
4.There are different types of microbes:
bacteria.
fungi.
algae.
protozoa.
viruses.
Explanation:
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