Subject SAT (College Board) Biology: Questions 449 - 455 of 805

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Question number: 449

» DNA and Evolution

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

Severe Acute Respiratory Syndrome (SARS) originated in China.

Reason (Ꭱ)

China is the most populated country in the world.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 450

» Atoms and Compounds

Edit
MCQ▾

Question

Which one of the following is not showing a covalent non-polar interaction?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 451

» Behavior and Ecology

Edit
MCQ▾

Question

Which of the following biomes is characterized by the driest conditions?

Choices

Choice (4) Response

a.

Taiga

b.

Tropical rain forest

c.

Tundra

d.

Grasslands

Question number: 452

» Cell

Edit
MCQ▾

Question

Distinction of prokaryotes and eukaryotes is mainly based on

Choices

Choice (4) Response

a.

Cell organelles only

b.

Nucleus only

c.

Chromosomes only

d.

All a. , b. and c. are correct

Question number: 453

» Cell

Edit
MCQ▾

Question

Largest macromolecule in cell is

Choices

Choice (4) Response

a.

Cellulose

b.

Glycogen

c.

Chitin

d.

DNA

Question number: 454

» Atoms and Compounds

Edit
MCQ▾

Question

A fatty acid with carbon atoms and four double bonds are

Choices

Choice (4) Response

a.

Arachidonic acid

b.

Timnodonic acid

c.

Nervonic acid

d.

Clupanodonic acid

Question number: 455

» Cell

Edit
MCQ▾

Question

Archaea differ from eubacteria in one of the following features

Choices

Choice (4) Response

a.

They are very ancient

b.

They have a rigid cell wall

c.

Their cell wall lack peptidoglycan component

d.

They have 16 SRNA

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