Free Printable Animal Physiology - I Quiz (19.02.2025)

1.

The food source that provides roughage to diet is

a)

a. Proteins

b)

b. carbohydrates

c)

c. Lipids

d)

d. Minerals

2.

Milk and milk products are the main source of

a)

a. Zinc

b)

b. Potassium

c)

c. Calcium

d)

d. Iron

3.

Assertion (A): Water is called a universal solvent.
Reason (R): Water can dissolve a large number of substances due to its polar nature.

a)

a) Both A and R are true, and R is the correct explanation of A

b)

b) Both A and R are true, but R is not the correct explanation of A

c)

c) A is true, but R is false

d)

d) A is false, but R is true

4.

The end product of carbohydrate digestion is --------------------.

a)

a. Glucose

b)

b. Amino acid

c)

c. Glycerol

d)

d. Fatty acid

5.

Which type of muscle is involuntary and striated?

a)

a) Skeletal muscle

b)

b) Cardiac muscle

c)

c) Smooth muscle

d)

d) Striated muscle

6.

Which protein binds calcium ions during muscle contraction?

a)

a) Actin

b)

b) Tropomyosin

c)

c) Troponin

d)

d) Myosin

7.

The region where actin and myosin do not overlap in a sarcomere is the _______.

a)

H Zone

b)

I Zone

c)

Z Zone

d)

P Zone

8.

The sliding filament theory explains the process of movement in muscles.

a)

True

b)

False

9.

The sarcoplasmic reticulum releases Potassium ions during contraction. True/ False

a)

true

b)

false

10.

Assertion (A): ATP is essential for muscle contraction.
Reason (R): ATP binds to troponin to initiate the sliding filament mechanism.

a)

a) Statement ‘A’ is correct and ‘R’ is wrong.

b)

b) Statement ‘A’ is wrong and ‘R’ is correct.

c)

c) Both statements ‘A’ and ‘R’ is wrong.

d)

d) Both statements ‘A’ and ‘R’ is correct.

11.

Match and choose the correct answer

A. Myosin 1) Stores calcium ions

B. Actin 2) Functional unit of muscle

C. Sarcoplasmic reticulum 3) Thin filament

D. Sarcomere 4) Thick filament

5) Neurotransmitter

a)

a) 2 1 4 5

b)

b) 3 4 2 1

c)

c) 4 3 1 2

d)

d) 4 2 3 1

12.

Rigor mortis occurs after death due to lack of _______ ion release from sarcoplasmic reticulum.

a)

Calcium

b)

Potassium

c)

Sodium

d)

Magnesium

13.

Which of the following is NOT a respiratory organ?

a)

a) Lungs

b)

b) Gills

c)

c) Nephrons

d)

d) Tracheae

14.

The respiratory pigment in vertebrates is:

a)

a) Hemocyanin

b)

b) Hemoglobin

c)

c) Chlorocruorin

d)

d) Myoglobin

15.

Hemocyanin is found in:

a)

a) Insects

b)

b) Mollusks and arthropods

c)

c) Fish

d)

d) Amphibians

16.

The function of respiratory pigments is to:

a)

a) Transport oxygen and carbon dioxide

b)

b) Produce ATP

c)

c) Regulate body temperature

d)

d) Act as enzymes

17.

The majority of oxygen in blood is transported as:

a)

a) Dissolved in plasma

b)

b) Bound to hemoglobin

c)

c) As bicarbonate ions

d)

d) As carbaminohemoglobin

18.

The Chloride Shift occurs due to:

a)

a) Exchange of chloride ions (Cl⁻) with bicarbonate ions (HCO₃⁻)

b)

b) Exchange of oxygen and carbon dioxide

c)

c) Conversion of oxyhemoglobin to deoxyhemoglobin

d)

d) Release of hydrogen ions

19.

The Bohr’s Effect is:

a)

a) The ability of hemoglobin to bind more oxygen at low CO₂ levels

b)

b) Increased oxygen release due to high CO₂ and low pH

c)

c) The exchange of chloride and bicarbonate ions

d)

d) The conversion of CO₂ to carbonic acid

20.

The Haldane Effect explains that:

a)

a) High oxygen levels promote CO₂ release from hemoglobin

b)

b) High CO₂ levels promote oxygen release

c)

c) pH has no role in gas transport

d)

d) Oxygen binds more strongly to deoxygenated hemoglobin

Animal Physiology - I Quiz (19.02.2025)

Total questions: 20

Worksheet time: 10mins

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