Question

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Answer 1

Answer:

Question 1: Flu, Cold etc.

Question 2: Rabies used to be known as hydrophobia because it appears to cause a fear of water.

Question 3: Viruses.

Question 4: Tuberculosis(TB).

Question 5: Vector is any organism that is not a disease causing agent but a carrier of disease causing agent . For eg: Mosquitoes are the vector for malarial parasites and many other infection.

Question 6: Lignin deposition is so thick that the cell walls become strong, rigid and impermeable to water.

Question 7: Cutin is an insoluble, water-repellent polymer present in the waxy substance forming cuticle of plants.

Question 8: Epithelial tissue.

Question 9: Cartilage is another type of connective tissue which has widely spaced cells. The solid matrix of this tissue is composed of proteins and sugars.

Question 10: ATP is responsible for contraction and relaxation in muscles and plays a major role in the muscular system of our body.

Question 11: Symptoms are abnormalities that can indicate a potential medical condition.

Question 12: A natural or artificial place where water is collected and stored for use, especially water for supplying a community, irrigating land, furnishing power, etc.

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Answer 2

Answer:

1.communicable infectious diseases

2.hydrophobia means fear of water, rabies causes strong spasms in the throat while swallowing, it makes fear of drinking water that can cause spasms. therefore, rabies is also hydrophobia

3.virus.

4.tuberculosis.

5.A vector is any vehicle, often a virus or a plasmid that is used to ferry a desired DNA sequence into a host cell as part of a molecular cloning procedure.

6.Lignin is an important organic polymer which is abundant in cell walls of some specific cells. It has many biological functions such as water transport, mechanical support and resistance to various stresses.

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Explanation: