Cellular Respiration

Q.

Why is respiration important for organisms?

Q.

What type of reaction is the digestion of food in our body?

Q.

What is Pulmonary Ventilation - Inspiration?

Q. The process of breakdown of food in the cell with the release of energy is:

1. Cellular respiration
2. Cellular breakdown
3. Cellular precipitation
4. Cellular sedimentation

Q. Why does our body need oxygen?

1. To store energy in the form of food

2. To destroy dead cells

3. To convert water into usable form

4. To break down food and release energy

Q.

What is the difference between internal and external respiration ?

Q.

Discuss the importance of transportation of various materials in human body?

Q.

What is the difference between cellular respiration and oxidation????

Q.

Short note on inhalation

Q.

I am a process in which food is broken down to release energy. I am a necessary process in all the cells. Who am I?

1. Cellular precipitation

2. Cellular breakdown

3. Cellular respiration

4. Cellular sedimentation

Q. During respiration , energy is released in the form of heat and light in a single step. State TRUE or FALSE.

Q. The end products of respiration in plants are

1. Starch and O₂
2. H₂O and energy
3. CO₂ , H₂O and energy
4. Sugar and O₂

Q.

Whenever we feel drowsy or sleepy, we start yawning. Does yawning help us in anyway?

Q.

The cellular process of breaking down food to release energy is known as _____ .

1. Cellular preparation

2. Cellular digestion

3. Cellular respiration

4. Cellular excretion

Q. The process of _______ releases energy stored in food.

1. digestion
2. cellular respiration
3. excretion
4. circulation

Q.

Respiration in living things and burning are the important uses of _____ gas.

Q. Why is glucose broken down in the cells?

Q.

What is cellular respiration? What are 2 types of cellular respiration?[3 MARKS]

Q.

The process of respiration involves ________ of gases.

Q. How many molecules of ATP are produced respectively, when a molecule of NADH and a molecule of $FAD{H}_2$ donate their electrons to the electron transport chain?

1. 1, 2
2. 2, 1
3. 2, 3
4. 3, 2

Q. why the body needs oxygen ?

Q.

Explain the process of cellular respiration.

Q.

Why do we require oxygen?

1. To break down food and release energy

2. To store energy in the form of food

3. To convert water into usable form

4. To destroy dead cells

Q.

During heavy exercise, the breathing rate of a person slows down.

1. True
2. False

Q.

What is the normal respiratory quotient?

Q.

Expand the term ADP.

Q.

Can ATP be used to produce electricity?

Q.

Why do we feel hungry after heavy physical activity?

Q. Which among the following statements are correct with respect to anaerobic respiration?

1. End products can be lactic acid and energy
2. Takes place in the presence of oxygen
3. Takes place in the absence of oxygen
4. End products can be ${\mathrm{CO}}_2$, water and energy

Q.

The following diagram depicts inhalation process. Identify the parts labeled in the image.

1. (i) Trachea (ii) Lungs (iii) Ribs (iv) Diaphragm

2. (i) Diaphragm (ii) Trachea (iii) Ribs (iv) Lungs

3. (i) Lungs (ii) Diaphragm (iii) Ribs (iv) Trachea

4. (i) Lungs (ii) Trachea (iii) Diaphragm (iv) Rib