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CBSE Class 11 (Science) The Living World & Biological Classification — practice questions — page 4

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 91–120 of 242.

The alternation of haploid and diploid phases in plants is called:Read the answer and worked solution →Animals store their food reserve as:Read the answer and worked solution →The mode of nutrition of animals is described as:Read the answer and worked solution →Who first recognised the microbe of tobacco mosaic disease?Read the answer and worked solution →Who showed that viruses could be crystallised?Read the answer and worked solution →The genetic material of a virus can be:Read the answer and worked solution →Viruses that infect plants usually carry:Read the answer and worked solution →The protein coat that protects viral nucleic acid is the:Read the answer and worked solution →A viroid differs from a virus in having no:Read the answer and worked solution →Mad cow disease is caused by an agent called a:Read the answer and worked solution →A lichen is a partnership between a fungus and an:Read the answer and worked solution →Lichens are useful because they act as indicators of:Read the answer and worked solution →Biological classification was first proposed by:Read the answer and worked solution →Sort each organism into its kingdomRead the answer and worked solution →Match the organism to what it doesRead the answer and worked solution →Order the fungal sexual cycleRead the answer and worked solution →True or false about the five kingdomsRead the answer and worked solution →Prokaryote or eukaryote?Read the answer and worked solution →Fill the gaps on classificationRead the answer and worked solution →Spot the one that does not fitRead the answer and worked solution →Pick the right answer, quicklyRead the answer and worked solution →A mountain gets bigger as material piles on its surface. Living things differ because their growth is:Read the answer and worked solution →Increase in mass and increase in number of individuals are the twin marks of:Read the answer and worked solution →A pine tree keeps growing all its life while a dog stops at a certain age. Growth by cell division is continuous in:Read the answer and worked solution →A dead organism:Read the answer and worked solution →A mould spreads across bread using millions of asexual:Read the answer and worked solution →Yeast and hydra reproduce by:Read the answer and worked solution →A cut Planaria regrows the missing part into a whole new worm. This is true:Read the answer and worked solution →For an Amoeba, reproduction is the same thing as:Read the answer and worked solution →Mules and sterile worker bees never reproduce. This shows reproduction is not:Read the answer and worked solution →

Worked practice questions

The alternation of haploid and diploid phases in plants is called:

  1. Alternation of germinations
  2. Alteration of generations
  3. Alteration of germinations
  4. Alternation of generations
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Correct answer: D. Alternation of generations

1. A plant life cycle has a sporophytic diploid phase. 2. It also has a gametophytic haploid phase. 3. Their alternation is called alternation of generations. _Source: syllabus Biology, Ch 2 'Biological Classification'_

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Animals store their food reserve as:

  1. Glycogen
  2. Glycerol
  3. Glucagon
  4. Glutamate
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Correct answer: A. Glycogen

1. Animals digest food in an internal cavity. 2. The reserve is laid down as fat or a carbohydrate. 3. That carbohydrate is glycogen. _Source: syllabus Biology, Ch 2 'Biological Classification'_

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The mode of nutrition of animals is described as:

  1. Heliotropic
  2. Holozoic
  3. Halophytic
  4. Holophytic
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Correct answer: B. Holozoic

1. Animals take food in whole and then digest it. 2. They do not absorb it from a substrate. 3. This ingestion is holozoic nutrition. _Source: syllabus Biology, Ch 2 'Biological Classification'_

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More Biology topics

Morphology and Anatomy of Flowering PlantsNeural Control and Chemical CoordinationCell: The Unit of LifeExcretory Products and their EliminationPhotosynthesis in Higher PlantsCell Cycle and Cell DivisionBiomoleculesPlant Kingdom