Respiration in Organisms (CBSE (Central Board of Secondary Education- Board Exam) Class-7 Science): Questions 1 - 7 of 17

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Question number: 1

» Respiration in Organisms » Respiration » Anaerobic Respiration

MCQ▾

Question

Anaerobic respiration takes place in our:

Choices

Choice (4) Response

a.

Anaerobes

b.

Muscles

c.

Yeast

d.

All a. , b. and c. are correct

Question number: 2

» Respiration in Organisms » How Do We Breathe? » Organs Involved in Breathing

MCQ▾

Question

Organs involved in breathing are:

Choices

Choice (4) Response

a.

Nose, wind pipe or trachea, bronchi lungs

b.

Nose, Wind pipe, bronchi, lungs

c.

Nose, trachea, bronchi, lungs

d.

Question does not provide sufficient data or is vague

Question number: 3

» Respiration in Organisms » How Do We Breathe? » Mechanism of Breathing

MCQ▾

Question

In respiration two steps are involved these are:

Choices

Choice (4) Response

a.

Inhalation and exhalation

b.

Breathing and cellular respiration

c.

Aerobic and anaerobic respiration

d.

None of the above

Question number: 4

» Respiration in Organisms » How Do We Breathe? » Sneezing

MCQ▾

Question

Sudden involuntary expulsion of air from the nose and mouth due to irritation of one’s nostrils is called as:

Choices

Choice (4) Response

a.

Exhalation

b.

Inhalation

c.

Sneezing

d.

All of the above

Question number: 5

» Respiration in Organisms » Do Plants Also Respire? » Process of Respiration in Plants

MCQ▾

Question

Respiration in plants differs from that in animals in three aspects:

Choices

Choice (4) Response

a.

Little transport of gases occurs in plants

b.

All parts of a plants perform respiration individually

c.

Plant respiration occurs at much slower rate

d.

All a. , b. and c. are correct

Question number: 6

» Respiration in Organisms » Do Plants Also Respire? » Plant Parts Involved in Respiration

MCQ▾

Question

Plant parts involved in respiration are:

Choices

Choice (4) Response

a.

Stems

b.

Roots

c.

Leaves

d.

All a. , b. and c. are correct

Question number: 7

» Respiration in Organisms » Respiration » Anaerobic Respiration

MCQ▾

Question

We get muscle cramps after a race in school because:

Choices

Choice (4) Response

a.

Muscle cells respire aerobically

b.

Accumulation of lactic acid in muscles lead to muscle cramps

c.

Muscle cells respire anaerobically

d.

Both b. and c. are correct

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