M.C.Q (1 Marks)

MCQ 11 Mark

Which of the following is responsible for muscle contraction?

✓
$Ca$ channel.
B
Potassium channel.
C
Sodium channel.
D
Magnesium channel.

Answer

Correct option: A.

$Ca$ channel.

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MCQ 21 Mark

The lower jaw in mammals is made up of:

A
Mandible
✓
Dentary
C
Maxilla
D
Angulars

Answer

Correct option: B.

Dentary

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MCQ 31 Mark

Bones formed by ossification of a tendon is called.

A
Dermal bone.
✓
Sesamoid bone.
C
Membrane bone.
D
Cartilage.

Answer

Correct option: B.

Sesamoid bone.

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MCQ 41 Mark

What happens in osteoporosis?

A
Decrease in progesterone.
B
Increase in progesterone.
✓
Decrease in estrogen.
D
Both $2$ and $3.$

Answer

Correct option: C.

Decrease in estrogen.

In osteoporosis, there is decrease in levels of estrogen.

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MCQ 51 Mark

Which one of the following is showing the correct sequential order of vertebrae in the vertebral column of human beings?

A
Cervical $—$ lumbar $—$ thoracic $—$ sacral $—$ coccygeal.
B
Cervical $—$ thoracic $—$ sacral $—$ lumbar $—$ coccygeal.
C
Cervical $—$ sacral $—$ thoracic $—$ lumbar $—$ coccygeal.
✓
Cervical $—$ thoracic $—$ lumbar $—$ sacral $—$ coccygeal.

Answer

Correct option: D.

Cervical $—$ thoracic $—$ lumbar $—$ sacral $—$ coccygeal.

Cervical vertebrae are present in neck region. Thoracic vertebrae are present in the chest region. Lumbar vertebrae are present in abdomen. Sacrum is present in hip area and coccyx is considered as vestigial tail.

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MCQ 61 Mark

What is a hydrostatic skeleton largely composed of?

A
Bone.
✓
Fluid.
C
Cartilage.
D
Connective tissue.

Answer

Correct option: B.

Fluid.

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MCQ 71 Mark

Total number of bones in the hind limb of man is:

A
$14$
✓
$30$
C
$24$
D
$21$

Answer

Correct option: B.

$30$

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MCQ 81 Mark

Joint between ribs and sternum is:

✓
Cartilagenous
B
Angular joint
C
Fibrous joint
D
Gliding joint

Answer

Correct option: A.

Cartilagenous

Cartilaginous joints are found between the ribs and sternum where the rib articulates with the sternum via costal cartilage.
This joint is connected by cartilage.

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MCQ 91 Mark

Water content of skeletal muscles is $..........\%:$

A
$25$
B
$50$
✓
$75$
D
$90$

Answer

Correct option: C.

$75$

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MCQ 101 Mark

Myofibrils are made up of:

✓
All the above components.
B
Actin and tropomyosin.
C
Myosin and actin.
D
Myosin and troponin.

Answer

Correct option: A.

All the above components.

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MCQ 111 Mark

$..........$ is used to capture prey in Hydra.

A
Cilia
B
Flagella
✓
Tentacles
D
Forelimbs

Answer

Correct option: C.

Tentacles

Hydra uses its tentacles to capture prey and for locomotion.

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MCQ 121 Mark

Match the following and mark the correct option:

	Column $I$		Column $II$
$A.$	Fast muscle fibres	$i.$	Myoglobin
$B.$	Slow muscle fibres	$ii.$	Lactic acid
$C.$	Actin filament	$iii.$	Contractile unit
$D.$	Sarcomere	$iv.$	$I-$band

Options:

A
$\text{A-i, B-ii, C-iv, D-iii}$
B
$\text{A-ii, B-i, C-iii, D-iv}$
✓
$\text{A-ii, B-i, C-iv, D-iii}$
D
$\text{A-iii, B-ii, C-iv, D-i}$

Answer

Correct option: C.

$\text{A-ii, B-i, C-iv, D-iii}$

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MCQ 131 Mark

Coris cycle operates in:

A
Cartilage.
B
Muscle.
C
Liver.
✓
Liver and muscle.

Answer

Correct option: D.

Liver and muscle.

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MCQ 141 Mark

Which of the following has involuntary muscles?

A
Legs
B
Arms
C
Neck
✓
Intestine

Answer

Correct option: D.

Intestine

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MCQ 151 Mark

Sacroiliac joint is:

A
Movable
✓
Immovable
C
Imperfect
D
None of the above

Answer

Correct option: B.

Immovable

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MCQ 161 Mark

The joint found between sternum and the ribs in humans is:

A
Angular joint.
B
Fibrous joint.
✓
Cartilaginous joint.
D
Gliding joint.

Answer

Correct option: C.

Cartilaginous joint.

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MCQ 171 Mark

The joints between the two vertebrae are $...........:$

✓
Cartilaginous
B
Fibrous
C
Synovial
D
There are no joints between the two vertebrae

Answer

Correct option: A.

Cartilaginous

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MCQ 181 Mark

Sprain involves:

✓
Overstretching of ligament
B
Overstretching of tendon
C
Dislodging of bone
D
Both $A$ and $B$

Answer

Correct option: A.

Overstretching of ligament

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MCQ 191 Mark

Which cavity is formed by the fusion of coxal bones?

A
Glenoid cavity.
✓
Acetabulum.
C
Acromion.
D
Scapula.

Answer

Correct option: B.

Acetabulum.

There are three coxal bones namely ilium, ischium and pubis. At the point of fusion of these, a cavity is formed called acetabulum.

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MCQ 201 Mark

What is the type of movable joint present between the atlas and axis?

✓
Pivot.
B
Saddle.
C
Hinge.
D
Gliding.

Answer

Correct option: A.

Pivot.

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MCQ 211 Mark

The over$-$stretching of tendons and ligaments is called as:

A
Tonus
B
Tetany
✓
Sprain
D
Fatigue

Answer

Correct option: C.

Sprain

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MCQ 221 Mark

Which is a part of pectoral girdle?

✓
Glenoid cavity.
B
Sternum.
C
Ilium.
D
Acetabulum.

Answer

Correct option: A.

Glenoid cavity.

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MCQ 231 Mark

The contractile protein of skeletal muscle involving $\text{ATP}$ ase activity is:

A
Myosin
✓
$\alpha -$actinin
C
Tropomyosin
D
Troponin

Answer

Correct option: B.

$\alpha -$actinin

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MCQ 241 Mark

Which of the following is an immovable joint?

A
Joint in the arm
✓
Joints between teeth
C
Joint between vertebrae
D
All of the above

Answer

Correct option: B.

Joints between teeth

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MCQ 251 Mark

What is sprain?

A
More pulling of tendon
B
Less pulling of tendon
✓
More pulling of ligament
D
Less pulling of ligament

Answer

Correct option: C.

More pulling of ligament

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MCQ 261 Mark

The major function of the intervertebral disc is to:

A
String the vertebrae together.
B
Prevent injuries.
✓
Absorb shock.
D
Prevent hyperextension.

Answer

Correct option: C.

Absorb shock.

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MCQ 271 Mark

What is sarcolemma?

A
Thin filaments of muscle.
B
Thick filaments of muscle.
✓
Lining of muscle fibres.
D
Connective tissue.

Answer

Correct option: C.

Lining of muscle fibres.

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MCQ 281 Mark

Joints showing almost no or little movement are known as $..........:$

✓
Immovable joints
B
Freely movable
C
Slightly movable
D
None of the above

Answer

Correct option: A.

Immovable joints

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MCQ 291 Mark

$\text{ATP}$ ase of the muscle is located in:

A
Actinin.
B
Troponin.
✓
Myosin.
D
Actin.

Answer

Correct option: C.

Myosin.

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MCQ 301 Mark

Largest bone in human body is:

A
Ulna
✓
Femur
C
Humerus
D
Tibia

Answer

Correct option: B.

Femur

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MCQ 311 Mark

The joint in our neck which allows us to rotate our head left to right is:

A
Saddle joint.
✓
Pivot joint.
C
Ellipsoid joint.
D
Hinge joint.

Answer

Correct option: B.

Pivot joint.

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MCQ 321 Mark

Which of the following parts of the body are not capable of movement?

A
Toes
✓
Elbow
C
Neck
D
None of the above

Answer

Correct option: B.

Elbow

Toes, neck and elbow are all capable of particular types of movements as they are all joints.

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MCQ 331 Mark

Which of the following is not a function of skeletal system?

A
Production of eythrocytes
B
Storage of minerals
✓
Production of body heat
D
Locomotion

Answer

Correct option: C.

Production of body heat

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MCQ 341 Mark

Which part of our body has a pivotal joint?

A
Shoulder
B
Knees
C
Ribs
✓
Neck

Answer

Correct option: D.

Neck

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MCQ 351 Mark

What is sarcomere?

A
Part between two $H-$lines.
B
Part between two $A-$lines.
C
Part between two $I-$bands.
✓
Part between two $Z-$lines.

Answer

Correct option: D.

Part between two $Z-$lines.

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MCQ 361 Mark

How many legs of cockroach move at the time of walking?

A
6
✓
3
C
4
D
Answer required

Answer

Correct option: B.

b. 3

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MCQ 371 Mark

The largest bone in our body is:

A
Humerus.
✓
Femur.
C
Radius.
D
Ulna.

Answer

Correct option: B.

Femur.

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MCQ 381 Mark

Which one of the following is not a disorder of bone?

A
Arthritis.
B
Osteoporosis.
C
Rickets.
✓
Atherosclerosis.

Answer

Correct option: D.

Atherosclerosis.

Atherosclerosis is the deposition of cholesterol in artery.

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MCQ 391 Mark

$\text{ATP}$ ase enzyme needed form muscle contraction is located in:

A
Actinin
✓
Troperiin
C
Myosin
D
Actin

Answer

Correct option: B.

Troperiin

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MCQ 401 Mark

Ciliary muscles are found in:

A
Diaphragm of a mammal
✓
Eyes of vertebrates
C
Heart of vertebrates
D
Stomach of frog

Answer

Correct option: B.

Eyes of vertebrates

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MCQ 411 Mark

The elements associated with muscle contraction are:

A
$Mg$ and $Ca$
B
$Mg$ and $Cl$
✓
$Na$ and $Ca$
D
$Ca$ and $K$

Answer

Correct option: C.

$Na$ and $Ca$

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MCQ 421 Mark

Which of the following would ensure healthy joints?

✓
Playing outdoor games
B
Playing indoor games
C
Eating more red meat
D
Use of massage oil

Answer

Correct option: A.

Playing outdoor games

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MCQ 431 Mark

Number of cervical vertebrae in camel is:

A
More than that of rabbit.
B
Less than that of rabbit.
✓
Same as that of whale.
D
More than that of horse.

Answer

Correct option: C.

Same as that of whale.

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MCQ 441 Mark

The impulse for voluntary muscles for forced breathing starts in $...........:$

A
Medulla
B
Vagus nerve
✓
Cerebrum
D
Cerebellum

Answer

Correct option: C.

Cerebrum

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MCQ 451 Mark

Long bones function in:

A
Support.
✓
Support, erythrocyte and leucocyte synthesis.
C
Support and erythrocyte synthesis.
D
Erythrocyte formation.

Answer

Correct option: B.

Support, erythrocyte and leucocyte synthesis.

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MCQ 461 Mark

Transverse ligament is found in:

A
Axis
✓
Atlas
C
Sacrum
D
Thoracic vertebra

Answer

Correct option: B.

Atlas

A transverse ligament divides the neural foramen of atlas into a smaller anterior antacid fossa and a posterior larger vertebral foramen.

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MCQ 471 Mark

Bones of the pelvic girdle form a cavity into which the head of femur articulates; the bones are:

✓
Ilium, ischium, pubis.
B
Ilium and ischium.
C
Ischium and pubis.
D
Ilium and pubis.

Answer

Correct option: A.

Ilium, ischium, pubis.

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MCQ 481 Mark

Which type of joints is present between atlas and axis?

A
Hinge joint.
B
Sliding joint.
C
Ball and socket joint.
✓
Pivot joint.

Answer

Correct option: D.

Pivot joint.

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MCQ 491 Mark

An example of synovial joint is found between:

A
Two vertebrae
B
Two skull bones
✓
Humerus and ulna
D
Tail vertebrae

Answer

Correct option: C.

Humerus and ulna

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MCQ 501 Mark

Angular joints are present in between:

A
Two skull bones
✓
Metacarpal and a phalange
C
Rib and a vertebrae
D
The atlas and axis vertebrae

Answer

Correct option: B.

Metacarpal and a phalange

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BIOLOGY M.C.Q (1 Marks)

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