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TN 11th Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set A

11th Standard English Medium Biology (Botany) Subject Tissue and Tissue System Creative 3 Mark Questions with Solution Part - I

Published on: 26/06/2021

QB365 provides detailed and simple solution for every Creative Questions in class 11 Biology Subject. It will helps to get more idea about question pattern in every Creative questions with solution.

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Std: 11th Standard - Biology

chapter: - Creative Questions

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Questions:

Generic 3

4 x 3 = 12

Distinguish between Neurons and Neuroglia

An overweight high school student is overheard telling her friend that she is going to research how she can transform some of her white fat to brown fat. What is her rationale here (assuming it is possible)?

Distinguish Bone and Cartilage.

What is tissue fluid?

Generic 2

1 x 2 = 2

What is Alzheimer's disease?

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Answers Key:

Generic 3

4 x 3 = 12

Neuron	Neuroglia
1. They have two types of process - axon and dendron	They have only one process
2. They have synapse	Do not have synapse
3. No power of division	Have power of division
4. conduct nerve impulses.	They are nutritive and defensive in function and serve as packing cells.

1. White fat is said to be 'Bad fat' since it hoards calories and contributes to obesity.
2. Brown fat is said to be 'good fat' which helps burn calories.
3. Research has proved that this conversion of white fat to brown fat is possible, so that calories will be burnt and accumulation of fat leading to obesity and related health issues can be avoided.

Bone	Cartilage
1. It is hard and inflexible.	It is comparatively soft and flexible.
2. Bone cells called osteocytes are present in spaces called Lacunae	Cells called chondrocytes are enclosed in small cavities within the matrix secreted by them.
3. Marrow is present.	Marrow is absent.

The Areolar connective tissue beneath the skin acts as a support framework for epithelium and acts as a reservoir of water and salts for the surrounding body tissues, hence aptly called tissue fluid. It contains fibroblasts, macrophages, and mast cells.

Generic 2

1 x 2 = 2

(i) It is a chronic neurodegenerative disease.
(ii) It causes loss of remembering recent events.
(iii) It is responsible for the problems with language, disorientation and mood swings.