Subject SAT (College Board) Biology: Questions 258 - 261 of 824

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Question number: 258

» Organism and Population

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MCQ▾

Question

Consider the statements with respect to fungi

  1. They show a great diversity in morphology and habitat

  2. The cell walls of fungi are made up of chitin and polysaccharide.

  3. They prefer to grow in moist, cold and humid places

  4. White spots on mustard leaves are due to saprophytic fungus

Choices

Choice (5)Response

a.

1 and 2 are correct

b.

1 and 3 are correct

c.

2 and 3 are correct

d.

2 and 4 are correct

e.

All of the above

Question number: 259

» Organism and Population

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MCQ▾

Question

In which of the following forms, glucose is stored in plants?

Choices

Choice (5)Response

a.

Cellulose

b.

Glycogen

c.

Starch

d.

Dextrin

e.

All of the above

Question number: 260

» Cell

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MCQ▾

Question

Proteins (export proteins) that are to be used outside the cell are synthesized.

Choices

Choice (5)Response

a.

On SER

b.

On RER

c.

On free ribosomes

d.

In mitochondria

e.

Question does not provide sufficient data or is vague

Question number: 261

» DNA and Evolution

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MCQ▾

Question

The restriction endonuclease is having a defence mechanism in bacterial system against foreign DNA such as viruses. But how it is able to protect its own DNA?

Choices

Choice (5)Response

a.

By phosphorylation of foreign DNA by restriction enzyme

b.

By methylation of bacterial DNA by restriction enzyme

c.

By phosphorylation of bacterial DNA by restriction enzyme

d.

By methylation of foreign DNA by restriction enzyme

e.

Question does not provide sufficient data or is vague

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