AP and TS SSC biology important questions - 2022, CHAPTER 2 (RESPIRATION).

 10th Class SSC Biology Important Questions, Study Materials, Diagrams for AP     and TS Students as per New Syllabus 2022. see below

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AP/TS SSC PUBLIC BIOLOGY 2nd CHAPTER IMPORTANT QUESTIONS.

1. What is the role of epiglottis and diaphragm in respiration?

1. Epiglottis: A flap like muscular valve covers the trachea. It prevents the food from entering the trachea and sends it into oesophagus.
2. Diaphragm: The lungs themselves can neither draw in air nor push it out. Instead, the chest wall muscles and another flexible flattened muscle called diaphragm helps the lungs in moving air into and out of them.
3. When the diaphragm is relaxed, it is in the shape of a dome- with the convex side of the dome extending into the chest cavity.
4. When the diaphragm contracts it flattens out a bit or the dome moves downward. As a result, the volume of the chest cavity is increased, and air enters the lungs.

2. Why does a deep sea driver carry oxygen cylinder on her back?

1.  We take oxygen from the air which surrounds us.
2. We cannot breathe in by taking dissolved oxygen in water.
3. So the deep sea diver carry oxygen cylinder with her for breathing when she goes under the sea.

 3. Distinguish between inspiration and expiration.

A.  Inspiration and Expiration

Inspiration	Expiration
1. It is also called inhalation and is the first stage of external respiration.	1. It is also called exhalation and is the second stage of external respiration.
2. Volume of the chest cavity increases by the relaxation of diaphragm.	2.Volume of the chest cavity decreases by the contraction of diaphragm.
3. Volume of the lungs increases.	3. volume of the lungs decreases.
4. pressure inside the lungs becomes less, compared to outside of the body.	4. Pressure inside the lungs becomes high, compared to outside of the body.
5. Air is rushed into the lungs.	5. Air is rushed out the lungs.

 

4. Write the differences between photosynthesis and respiration.

A. Photosynthesis and Respiration

Photosynthesis	Respiration
1.Photosynthesis is defined as a photochemical reaction during which carbohydrates are formed from carbon dioxide and water in the chloroplasts of plants in the presence of light.	1.Oxidation of food materials especially glucose, fatty acids and amino acids to water and carbon dioxide is called respiration.
2. Occurs only in plants and some photosynthesis bacteria.	2. Occurs in all living organisms.
3. It occurs in the chloroplast and is dependent on light.	3. It takes place in cytoplasm and mitochondria dependent on light.
4. In this process light energy is fixed.	4. In this process energy is released.
5. NADP is reduced to NADPH2 using the hydrogen of water molecules.	5. NADH2 is formed from hydrogen of carbohydrates.
6. Converts light energy into bond energy.	6. Releases chemical or potential energy for several other functions.
7.	7.

5. Plants photosynthesis during daytime and respire during the night. Do you agree to this statement? why? whynot?

1.  No, I don't agree with the statement that plants photosynthesize during day and respire during night.
2. The process of respiration takes place throughout the day and night. 
3. No organism can survive without respiration even for a few minutes.
4. During respiration energy is liberated, which is necessary for all biological processes without which any organism cannot survive and plants are no exception.

Important links:

1. AP/ TS 10th class biology important questions 2022 - chapter 1 (NUTRITION)

2. AP / TS 10th class biology important questions 2022-chapter 2  (RESPIRATION)

3. AP / TS 10th class biology important questions 2022-chapter 3 (TRANSPORTATION)

4. AP / TS 10th class biology important questions 2022-chapter 4 (EXCRETION)

5. AP / TS 10th class biology important questions 2022-chapter 5 (COORDINATION)

6. AP / TS 10th class biology important questions 2022-chapter 6 (REPRODUCTION)

7. AP / TS 10th class biology important questions 2022-chapter 7 (COORDINATION IN LIFE PROCESSES)

8. AP / TS 10th class biology important questions 2022-chapter 8 (HERIDITY)

9. AP / TS 10th class biology important questions 2022-chapter 9 (OUR ENVIRONMENT)

10. AP / TS 10th class biology important questions 2022-chapter 10 (NATURAL RESOURCES)

  

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