Respiration in Plants

Q.

How do you calculate ATP production?

Q.

One should not sleep under a tree at night because

1. Release of less oxygen

2. Release of carbon dioxide

3. Release of more oxygen

4. Release of carbon monoxide

Q.

Where does glycolysis occur in cellular respiration?

Q. What is the significance of respiration?

Q.

In the reaction $\mathrm{Mg}\left(\mathrm{s}\right)+2\mathrm{HCl}\left(\mathrm{aq}\right)\to {\mathrm{MgCl}}_2\left(\mathrm{aq}\right)+{\mathrm{H}}_2\left(\mathrm{g}\right)$, what role does Magnesium play?

Q.

Write the overall equation of aerobic respiration.

Q.

Which one of the following mammalian cells is not capable of metabolizing glucose to carbon dioxide aerobically?

1. Red blood cells

2. Liver cells

3. Unstriated muscle cells

4. White blood cells

Q. Why do different plants have different shapes of leaves although the meristem tissue is present in all plants?

Q.

Which of the following statement(s) is (are) true about respiration?

(i) During inhalation, ribs move inward and diaphragm is raised .

(ii) In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into blood and carbon dioxide from the blood into the alveolar air .

(iii) Hemoglobin has a greater affinity for carbon dioxide than oxygen.

(iv) Alveoli increase surface area for exchange of gases.

1. (i) and (iv)

2. (ii) and (iii)

3. (i) and (iii)

4. (ii) and (iv)

Q.

How does pyruvate turn into lactic acid?

Q.

What does glucose break down into in the presence and absence of oxygen? [2 MARKS]

Q.

Do the plants respire all day and all night or only at night?

Q.

Which of the following is most appropriate for aerobic respiration?

1. $\mathrm{Glucose}\stackrel{\mathrm{Mitochondria}}{\to }\mathrm{Pyruvate}\stackrel{\mathrm{Cytoplasm}}{\to }{\mathrm{CO}}_2+{\mathrm{H}}_2\mathrm{O}+\mathrm{energy}$

2. $\mathrm{Glucose}\stackrel{\mathrm{Cytoplasm}}{\to }\mathrm{Pyruvate}\stackrel{\mathrm{Mitochondria}}{\to }{\mathrm{CO}}_2+{\mathrm{H}}_2\mathrm{O}+\mathrm{energy}$

3. $\mathrm{Glucose}\stackrel{\mathrm{Cytoplasm}}{\to }\mathrm{Pyruvate}+\mathrm{energy}\stackrel{\mathrm{Mitochondria}}{\to }{\mathrm{CO}}_2+{\mathrm{H}}_2\mathrm{O}$

4. $\mathrm{Glucose}\stackrel{\mathrm{Cytoplasm}}{\to }\mathrm{Pyruvate}+\mathrm{energy}\stackrel{\mathrm{Mitochondria}}{\to }\mathrm{CO}+{\mathrm{H}}_2\mathrm{O}+\mathrm{energy}$

Q.

Which process yields the highest amount of ATP in the cell?

Q.

Lenticels are small pores present on the surface of the stems and roots that help in the exchange of gases.

1. True

2. False

Q.

What happens during glycolysis in cellular respiration?

Q.

Woody plants carry gaseous exchange through?

1. root hair

2. stem hair

3. lenticels

4. epidermal cells

Q.

Which is the site of cellular respiration?

1. Mitochondria

2. Ribosomes

3. Nucleus

4. Golgi bodies

Q.

Ploughing or tilling of the soil creates tiny air space around soil particles and provides the source of __________ for the roots.

1. carbon dioxide

2. carbon monoxide

3. nitrogen

4. oxygen

Q.

In animals the storage form of energy is______.

1. Vitamins

2. Glycogen

3. Fats

4. Carbohydrates

Q.

Why is it usually difficult to demonstrate respiration in green plants?

Q. Assertion (A): Plants help to purify air by taking in carbon dioxide.

Reason (R): Carbon dioxide is used in photosynthesis.

1. A is true and R is false.
2. A is false and R is true.
3. Both A and R are true and R is the correct explanation for A.
4. A and R both are true but R is not the correct explanation for A.

Q.

Which of the following statements are true about respiration?

(i) During inhalation, ribs move inward, and the diaphragm moves up.

(ii) The gaseous exchange takes place in the alveoli.

(iii) Hemoglobin has a greater affinity for carbon dioxide than oxygen.

(iv) Alveoli increase surface area for the exchange of gases.

1. (i) only

2. (iii) only

3. (ii) and (iv)

Q.

I am a double membraned cell organelle with no pigment. Who am I?

1. Leucoplast
2. Chromoplast
3. Chloroplast
4. Lysosome

Q.

Anaerobic respiration occurs when we sprint very fast. This means that anaerobic respiration is more efficient than aerobic respiration. Say true or false.

1. True

2. False

Q.

Glycolysis is the first phase in cellular respiration.

1. True

2. False

Q.

Name the following :

(a) Energy currency of cell.

(b) Oxidative breakdown of carbohydrates to release energy.

(c) An organism which respires throughout like anaerobically.

(d) A common phase in both aerobic and anaerobic respiration.

(e) Aerobic respiration requires ..............................

(f) A chemical which removes $C{O}_2$ from the air.,

Q. Exchange of gases in plants takes place through

पादपों में गैसों का आदान-प्रदान किसके द्वारा होता है?

1. Cork
   
   कॉर्क
   
2. Stomata
   
   रंध्र
   
3. Pits
   
   छिद्र
   
4. Lumen
   
   ल्यूमेन
   

Q. Respiration is a/an process.

1. catabolic
2. anabolic
3. endothermic

Q.

Distinguish between Tissue respiration and Cellular respiration.