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CBSE Class 11 (Science) The Living World & Biological Classification — practice questions — page 5

Explore 242 free The Living World & Biological Classification questions in CBSE Class 11 (Science) Biology. Open each question or exercise to read its content, reference answers and available explanation.

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The Living World & Biological Classification questions and exercises with answers

Showing questions 121–150 of 242.

The sum total of all chemical reactions in the body is:Read the answer and worked solution →Which of these shows metabolism?Read the answer and worked solution →A metabolic reaction run in a test tube is:Read the answer and worked solution →The defining feature of life forms is said to be:Read the answer and worked solution →A sunflower turns towards light. This shows living things can:Read the answer and worked solution →Seasonal breeders time their reproduction by day length, that is by the:Read the answer and worked solution →The only organism said to be aware of itself is the:Read the answer and worked solution →Properties of a tissue that its single cells lack arise from interactions. Such properties are:Read the answer and worked solution →Dried, pressed plant specimens preserved on sheets are stored in a:Read the answer and worked solution →Living plants grown and labelled for reference are kept in a:Read the answer and worked solution →In a museum, insects are preserved in boxes after collecting, killing and:Read the answer and worked solution →Wild animals kept under human care in near-natural conditions are in a:Read the answer and worked solution →Each statement in a taxonomic key is called a:Read the answer and worked solution →Catch the taxonomic aidsRead the answer and worked solution →Pop the living featuresRead the answer and worked solution →Steer into the life laneRead the answer and worked solution →Slice the taxonomy wordsRead the answer and worked solution →Living or non-livingRead the answer and worked solution →Which aid keeps itRead the answer and worked solution →One word is wrongRead the answer and worked solution →Living world bingoRead the answer and worked solution →About how many species have been known and described so far?Read the answer and worked solution →What is the standardised naming of living organisms called?Read the answer and worked solution →Knowing exactly which organism a name is attached to is called what?Read the answer and worked solution →The ICBN lays down the principles for naming which group?Read the answer and worked solution →How many components does a scientific name have in binomial nomenclature?Read the answer and worked solution →Who gave the two-word system of naming organisms used worldwide today?Read the answer and worked solution →In Mangifera indica, which word is the specific epithet?Read the answer and worked solution →In a biological name, which part begins with a small letter?Read the answer and worked solution →How are the two words of a biological name shown when handwritten?Read the answer and worked solution →

Worked practice questions

The sum total of all chemical reactions in the body is:

  1. Body growth
  2. Reproduction
  3. Awareness
  4. Metabolism
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Correct answer: D. Metabolism

1. Thousands of reactions run at once in a body. 2. Together they have one name. 3. That is metabolism. _Source: syllabus Biology, Chapter 1, The Living World._

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Which of these shows metabolism?

  1. All living organisms
  2. Only the animals
  3. Only green plants
  4. Rocks and rivers
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Correct answer: A. All living organisms

1. Plants, animals, fungi and microbes all run chemical reactions. 2. No non-living object does. 3. So all living organisms show metabolism. _Source: syllabus Biology, Chapter 1, The Living World._

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A metabolic reaction run in a test tube is:

  1. Impossible to ever carry out
  2. Living reaction, not a living thing
  3. A complete living organism
  4. A reaction that is fully dead
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Correct answer: B. Living reaction, not a living thing

1. Metabolic reactions can run in cell-free systems. 2. Such a reaction is neither an organism nor dead matter. 3. It is a living reaction but not a living thing. _Source: syllabus Biology, Chapter 1, The Living World._

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