Subject SAT (College Board) Biology: Questions 146 - 150 of 830

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Question 146

Question

MCQ▾

In mollusca, nervous system is represented by

Choices

Choice (5)Response

a.

3 - 4 paired ganglia and nerve cords

b.

A pair of nerve cord

c.

Brain and spinal cord

d.

Primitive brain and nerve cord

e.

All of the above

Question 147

Question

MCQ▾

Purification of enzymes and proteins is done using

Choices

Choice (5)Response

a.

Column chromatography

b.

Liquid chromatography

c.

Thin layer chromatography

d.

Affinity chromatography

e.

Question does not provide sufficient data or is vague

Question 148

Question

MCQ▾

Identify the correct sequence of events in viral replication:

I. Eclipse

II. Maturation

III. Adsorption

IV. Assembly

V. Penetration

VI. Lysis

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question 149

Question

MCQ▾

The chromosomes in which centromere is situated at terminal end

Choices

Choice (5)Response

a.

Metacentric

b.

Sub-metacentric

c.

Acrocentric

d.

Telocentric

e.

None of the above

Question 150

Question

MCQ▾

Which of the following is not a characteristic of a chordate?

Choices

Choice (5)Response

a.

Flexible notochord at ventral side

b.

Muscular tail that lose at embryonic stage

c.

Pharyngeal gill slits allow gaseous exchange

d.

Nerve cord differentiated into brain and spinal cord

e.

Question does not provide sufficient data or is vague

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