Subject SAT (College Board) Biology: Questions 309 - 313 of 830

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Question 309

Question

MCQ▾

In hot summers and cold winters, the number of malaria cases as well as Anopheles declines. Reappearance of malaria in humid warm conditions is due to

Choices

Choice (5)Response

a.

Monkeys

b.

Mosquito larvae in permanent waters

c.

Surviving as sporozoits in surviving mosquitoes

d.

Surviving as malarial parasites in human carriers

e.

Question does not provide sufficient data or is vague

Question 310

Question

MCQ▾

Cuvierian glands are connected with

Choices

Choice (5)Response

a.

Aboreal surface of Sea Lily

b.

Eversible stomach of star Fish

c.

Aristotle՚s lantern

d.

Respiratory tree of Sea cucumber

e.

Question does not provide sufficient data or is vague

Question 311

Question

MCQ▾

If Uranium՚s atomic number is and it has neutrons, how many protons does it have?

Choices

Choice (5)Response

a.

82

b.

102

c.

92

d.

86

e.

All of the above

Question 312

Question

MCQ▾

Which of the following has the greatest covalent character?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question 313

Question

MCQ▾

In a lipid bilayer the lipids have

Choices

Choice (5)Response

a.

Their water repelling tails facing inward

b.

Their water repelling heads facing inward

c.

No relationship to water

d.

Their hydrogen bond forming heads facing inward

e.

None of the above

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