Structure and Function [Subject SAT (College Board) Biology]: Questions 29 - 32 of 82

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Question 29

Structure and Function
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Question

MCQ▾

Respiratory center is located in the ________.

Choices

Choice (5)Response

a.

Cerebellum

b.

Pneumotaxic centre

c.

Alveoli

d.

Medulla oblongata

e.

Question does not provide sufficient data or is vague

Question 30

Structure and Function
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Question

MCQ▾

Smooth muscles are found in

Choices

Choice (5)Response

a.

Walls of urinary bladder

b.

Walls of blood vessels

c.

Walls of alimentary canal

d.

All a. , b. and c. are correct

e.

None of the above

Question 31

Structure and Function
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Question

MCQ▾

Which of the following statements regarding the testes are correct?

  1. Leydig cells secrete testosterone.

  2. Sertoli cells respond to testosterone by synthesizing androgen binding protein.

  3. Testosterone inhibits the secretion of LH by negative feedback regulation.

  4. Sertoli cells prevent free diffusion of water-soluble substances between the seminiferous tubules and the blood

  5. Sertoli cells line the seminiferous tubules and directly give rise to the developing sperm.

Choices

Choice (5)Response

a.

2,3

b.

1,3, 4

c.

1,4, 5

d.

1,2, 3

e.

Question does not provide sufficient data or is vague

Question 32

Structure and Function
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Question

MCQ▾

A correct systemic circulation pathway is

Choices

Choice (5)Response

a.

Left auricle Left ventricle Aorta Arteries Tissues Vein Right atrium

b.

Right auricle Left Ventricle Aorta Tissues Veins

c.

Right auricle Pulmonary aorta Tissue Pulmonary vein Left auricle

d.

Left auricle Left ventricle Pulmonary aorta Tissues Right auricle

e.

Question does not provide sufficient data or is vague