CBSE Class 11 Biology Questionbank

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16 of 16

Question 1 · 16 total

easy+1

The basic unit of classification is:

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Question 2 · 16 total

easy+1

Bacteria are placed in which kingdom in the five-kingdom classification?

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Question 3 · 16 total

medium+1

Bryophytes are often called the amphibians of the plant kingdom because:

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Question 4 · 16 total

medium+1

Stinging cells (cnidoblasts) are characteristic of:

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Question 5 · 16 total

easy+1

A fibrous root system is characteristic of:

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Question 6 · 16 total

medium+1

Vascular bundles in a monocot stem are:

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Question 7 · 16 total

medium+1

Assertion: Mitochondria are called semi-autonomous organelles.

Reason: Mitochondria possess their own circular DNA and ribosomes and can synthesise some of their proteins.

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Question 8 · 16 total

medium+1

Two amino acids are joined in a protein by which bond?

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Question 9 · 16 total

hard+1

Crossing over between homologous chromosomes occurs during which sub-stage of meiosis I?

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Question 10 · 16 total

medium+1

How many ATP molecules are required to fix one molecule of $CO_2$ in the Calvin cycle?

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Question 11 · 16 total

easy+1

Glycolysis takes place in the:

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Question 12 · 16 total

medium+1

The plant hormone known as the stress hormone that promotes stomatal closure is:

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Question 13 · 16 total

hard+1

Most carbon dioxide in human blood is transported as:

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Question 14 · 16 total

medium+1

The cells embedded in the matrix of cartilage are called:

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Question 15 · 16 total

easy+1

DNA replication in a eukaryotic cell occurs during:

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Question 16 · 16 total

hard+1

The respiratory quotient (RQ) of fats is about 0.7. What volume of $O_2$ (in mL) is consumed when 5 mL of $CO_2$ is released during fat respiration? [RQ = $CO_2$ released / $O_2$ consumed]

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