Subject SAT (College Board) Biology: Questions 219 - 223 of 805

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Question number: 219

» Atoms and Compounds

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MCQ▾

Question

Of the options given below, which is the safest way to dispose of Na metal?

Choices

Choice (4) Response

a.

Add small amounts of Na to water

b.

Add small amounts of Na to propan-2-ol

c.

Add small amounts of Na to ethanol

d.

Add small amounts of Na to propan-1-ol

Question number: 220

» Organism and Population

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MCQ▾

Question

Phylogenetic system of classification is based on

Phylogenetic system of classification

Phylogenetic System of Classification

Phylogenetic system of classification

Choices

Choice (4) Response

a.

Quantitative assessment of similarities and differences between organisms

b.

Cytological characteristics of organisms

c.

Biochemical properties

d.

Evolutionary relationship

Question number: 221

» Cell

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MCQ▾

Question

Which of the following environmental conditions are essential for optimal growth of Mucor on a piece of bread?

  1. Temperature about 25 degree C

  2. Temperature about 5 degree C

  3. Relative humidity of about 95%

  4. A shaded place

  5. A brightly illuminated place

Image of piece of bread

Image of Piece of Bread

Image of piece of bread

Choices

Choice (4) Response

a.

2,4 and 5 only

b.

1,4 and 5 only

c.

2,3 and 5 only

d.

1,3 and 4 only

Question number: 222

» Organism and Population

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MCQ▾

Question

Rubisco content of chloroplast is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 223

» DNA and Evolution

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MCQ▾

Question

What is so true about viruses?

Choices

Choice (4) Response

a.

They can reproduce in non-living medium

b.

They are obligate intracellular parasites

c.

They cannot be crystallized and stored for years

d.

They contain both DNA as well as RNA

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