Read the following A to D statements and select the option that contains both correct statements:
A. Z-line is present in the centre of the light band.
B. Thin filaments are firmly attached to the M-line
C. The central part of thick filaments, not overlapped by thin filaments is called Z-band
D. Light band contains only thin filaments

  • A and D           

  • B and C             

  • A and C                       

  • B and D

ATPase of the muscle is located in:

  • Actinin            

  • Troponin         

  • Myosin            

  • Actin

Assertion  :       Muscle twitch is related with tetanus.

Reason    :     Tetanus is caused by many nerve impulses at a time.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion  :       Extra oxygen consumption in human body is known as oxygen debt.

Reason    :     The extra oxygen is required by the body to oxidise the accumulated lactic acid produced during strenous exercise.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Ball and socket joints are the most mobile joints.

Reason      :       Synovial fluid is present here.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Arthritis or inflammation of a joint makes the joint painful.

Reason      :       Some toxic substances are deposited at the joint.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
  • 1
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Which of the following holds all the muscle bundle together in a muscle?

  • Fascia

  • Collagenous connective tissue layer

  • Cartilage

  • Both A and B

Sarcolemma is outer plasma  membrane of

  • Muscle

  • Muscle Fibre

  • Myofibrils

  • Muscle bundle

Assertion   :       Movement of body parts serves to change the body posture.

Reason      :       Body parts move in relation to body axis.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       There are similarities between the locomotion of unicellular organisms and multicellular animal.

Reason      :       Ciliary, flagellar and amoeboid movement occur in unicellular organisms.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion  :       Triceps is said to be an extensor muscle for elbow joint.             

Reason     :     Triceps relaxes durings extension of forearm at the elbow joint.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion  :       Biceps and triceps are called antagonistic muscles.              

Reason     :     This is due to the fact that they contract and relax together.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Muscle contraction force increases with rise in strength of stimulus.

Reason      :       This is due to increased contraction of individual muscle fibres with increase in stimulus strength.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
  • 1
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Assertion   :       Muscle as a whole doesn’t obey All or None law.

Reason      :       Each muscle fibre contracts maximally whenever it contracts.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Non-striated muscles are said to be voluntary in nature.

Reason      :       Non-striated muscles can be moved according to will.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
  • 1
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  • 3
  • 4

Which of the following statements is wrong?

  • Movement is one of the significant features of living beings
  • Streaming of protoplasm in the unicellular organisms like Amoeba is a simple form of movement
  • Animals and plants exhibit a wide range of movements
  • Movement of cilia, flagella and tentacles is limited to lower organisms

Locomotion can be

  • Movement of tongue

  • Movement of eyelids

  • Movement of lower limbs

  • Movement of jaws

Cilia in paramoecium do not help in

  • Movement of food through cytopharynx

  • Locomotion

  • Movement of water in vacuole

  • Both B and C

The tantacles of Hydra do not help in

  • Capturing prey

  • Locomotion

  • Movement of water out of the body

  • Both A and C

Limbs in humans are not used for

  • Change in body postures

  • Locomotion

  • Movement of food in alimentary canal

  • Both A and C

Methods of locomotion depends on

  • Habitat

  • Demand of situation

  • Both A and B

  • Environmental factors like pH

Locomotion is not for

  • Search of food, mate, shelter

  • Search of suitable breeding grounds and siblings

  • Search of Favorable climatic conditions

  • To escape from enemies or predators

Which of the following movement is not associated with human body?

  • Amoeboid

  • Ciliary

  • Muscular

  • Tentacular

Amoeboid movement is not exhibited by

  • Macrophages

  • Leucocytes

  • Erythrocytes

  • Both B and C

Which of the cytoskeletal element was involved in Amoeboid movement?

  • Microfilaments

  • Intermediate filament

  • Microtubules

  • All of these

Amoeboid movement does not involve

  • Pseudopodia formation

  • Streaming of protoplasm

  • Involvent of cytoskeletal elements

  • Intermediate filament has special role in this

Which of the following is not an example of ciliary movement?

  • Cilia in Paramoecium

  • Cilia in male reproductive tract

  • Cilia in female reproductive tract

  • Cilia in trachea help in removing dust particles and foreign substances.

Muscular movement does not hold true with

  • Contractile property of muscles

  • Perfect coordinated activity of muscular, skeletal and neural system

  • Responsible for locomotion only

  • Both B and C

Which of the following is not correct?

  • Cilia and flagella are the outgrowths of the cell membrane

  • Flagellar movements help in the swimming of spermatozoa, maintenance of water current in the canal system of sponges

  • Locomotion of Protozoan like Euglena is also carried by cillia

  • 40-50 percentage of body weight of a human adult is contributed by muscles

Which of the following property is not associated with muscles?

  • Excitability, contractility

  • Extensibility and elasticity

  • Rigidity

  • Both B and C

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Practice Zoology Quiz Questions and Answers