Human Physiology (NEET Biology): Questions 78 - 83 of 152

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Question number: 78

» Human Physiology » Locomotion » Skeletal System and Its Functions

MCQ▾

Question

The last two pairs of ribs are called floating ribs because

Choices

Choice (4) Response

a.

Their sternal parts remain free and do not even reach the sternum.

b.

Their sternal parts are attached to the sternum directly

c.

They float in the body cavity.

d.

Their sternal parts are attached on the 7th pair of ribs.

Question number: 79

» Human Physiology » Locomotion » Skeletal Muscle- Contractile Proteins and Muscle Contraction

MCQ▾

Question

Which one of the following events is thought to be most closely related to the sliding process between the two types of filaments which bring about contraction of the fibril?

Choices

Choice (4) Response

a.

Splitting of an ATP myosin complex.

b.

The liberation of acetyl choline at the motor end plates.

c.

The influx of sodium ions through the secrolemma.

d.

Binding of calcium ions.

Question number: 80

» Human Physiology » Locomotion » Skeletal System and Its Functions

MCQ▾

Question

Vertebral formula for human beings is

Choices

Choice (4) Response

a.

C7T10L5S5C3 - 5 = 33

b.

C7T12L5S5C3 - 5 = 33 – 35

c.

C5T12L7S5C3 - 5 = 33 - 55

d.

C5T10L5S5C3 - 5 = 33

Question number: 81

» Human Physiology » Locomotion » Skeletal System and Its Functions

MCQ▾

Question

Smallest muscle in the human body is

Choices

Choice (4) Response

a.

Spnial muscle

b.

Stapedius

c.

Sartorius

d.

Stapes

Question number: 82

» Human Physiology » Excretory Products and Their Elimination » Modes of Excretion- Ammonotelism, Ureotelism, Uricotelism

MCQ▾

Question

Aquatic reptiles are

Choices

Choice (4) Response

a.

Uricotelic

b.

Ureotelic

c.

Ammonotelic

d.

None of the above

Question number: 83

» Human Physiology » Neural Control and Coordination » Neuron and Nerves

MCQ▾

Question

Each spinal nerve in a mammal arises from the spinal cord by two roots, a dorsal and a ventral. Of these the ventral root is composed of

Choices

Choice (4) Response

a.

Somatic sensory and visceral motor fibres.

b.

Somatic sensory and visceral sensory fibres.

c.

Somatic motor and visceral sensory fibres

d.

Somatic motor and visceral motor fibres.

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