Respiration in Plants

Respiration in Plants

11th Grade

15 Qs

quiz-placeholder

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Respiration in Plants

Respiration in Plants

Assessment

Quiz

Biology

11th Grade

Hard

Created by

Nilesh Yadav

Used 93+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During prolonged fastings, in what sequence are the following organic compounds used up by the body ?

First carbohydrates, next fats and lastly proteins

First fats, next carbohydrates and lastly proteins

First carbohydrates, next proteins and lastly lipids

First proteins, next lipids and lastly carbohydrates

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Under which condition would you expect the mitochondrial proton gradient to be highest and therefore ATP synthesis to proceed?

pyruvate (present)-oxygen (present)-ATP levels (high)

pyruvate (present)-oxygen (present)-ATP levels (low)

pyruvate (absent)-oxygen (present)-ATP levels (low)

pyruvate (present)-oxygen (absent)-ATP levels (high)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Plants can get along without respiratory organs because of all the following except:

Each plant part takes care of its own gas exchange needs

Rate of respiration in root, stem, leaves is very low, hence no great demands for gas exchange

Gas diffusion in plants occurs easily over long distances in plants

Each living cell in a plant is located quite close to the surface of plant

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sucrose is converted into glucose and fructose. The enzyme which facilitates this reaction is called :

Zymase

Maltase

Invertase

Isomerase

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following statements is incorrect?

During aerobic respiration, role of oxygen is limited to the terminal stage.

In ETC one molecule of NADH+H+gives rise to 2 ATP molecules, and one FADH2​ gives rise to 3 ATP molecules.

ATP is synthesized through complex V

Oxidation-reduction reactions produce proton gradient in respiration.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number of substrate level phosphorylations in one turn of citric acid cycle is

One

Two

Three

Zero

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pyruvate dehydrogenase activity during aerobic respiration requires:

Calcium

Iron

Cobalt

Magnesium

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