NCERT NEET Biology Hints | Chapter 1: The Living World (English Version)

1. THE LIVING WORLD

> What is Living?

Features	Defining or Characteristics	Seen In
Growth Increase in mass and increase in number	Characteristic	Both living (intrinsic) and non living objects (Extrinsic)
Reproduction Production of progeny of same kind	Characteristic	Living organisms but some exceptions are seen such as infertile human couples, mules and sterile worker bees
Metabolism Sum total of all the chemical reactions occuring in body.	Defining	Seen in all unicellular as well as multicellular organisms.
Consciousness Ability to respond to external stimulus	Defining	Seen in all unicellular as well as multicellular organisms. Only human is self-conscious
Cellular Organisation	Defining	Seen in all unicellular and multicellular organisms.

• Fragmentation : Fungi, Filamentous algae, Protonema of mosses
• Fungi : Spores
• Budding : Hydra, Yeast
• Planaria : Regeneration

	Mango	Wheat	Housefly	Man
Kingdom	Plant	Plant	animal	animal
Phylum/Division	Angiosperm	Angiosperm	Arthropoda	Chordata
Class	Dicot	Monocot	Insecta	Mammalia
Order	Sapindales	Poales	Diptera	Primata
Family	Anacardiaceae	Poaceae	Muscidae	Hominidae
Genus	Mangifera	Triticum	Musca	Homo
Species	Mangifera indica	Triticum aestivum	Musca domestica	Homo sapiens

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100 MCQs

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Question 1. What are the twin characteristics of growth according to the provided source?

1. Increase in mass and increase in volume.
2. Increase in mass and increase in number.
3. Increase in height and increase in weight.
4. Increase in cell size and increase in complexity.

Answer: b.

Question 2. Is growth considered a defining property of living organisms?

1. Yes, because only living organisms grow.
2. No, it is a characteristic but not a defining property.
3. Yes, because it occurs intrinsically.
4. No, because growth does not occur in plants.

Answer: b.

Question 3. How does the growth of living organisms differ from that of non-living objects?

1. Living organisms grow extrinsically.
2. Living organisms grow intrinsically.
3. Non-living objects grow intrinsically.
4. There is no difference.

Answer: b.

Question 4. Which of the following non-living objects can exhibit extrinsic growth?

1. Mountains.
2. Boulders.
3. Sand mounds.
4. All of the above.

Answer: d.

Question 5. Reproduction in living organisms is defined as the production of?

1. Identical clones only.
2. Progeny of the same kind.
3. Unrelated species.
4. Energy molecules.

Answer: b.

Question 6. Why is reproduction not considered a defining feature of living organisms?

1. Because all living organisms reproduce.
2. Because non-living things can also reproduce.
3. Because some living organisms do not reproduce.
4. Because it requires two parents.

Answer: c.

Question 7. Which of the following is an example of a living organism that cannot reproduce?

1. Yeast.
2. Hydra.
3. Mules.
4. Planaria.

Answer: c.

Question 8. Sterile worker bees are an exception to which characteristic of living beings?

1. Growth.
2. Metabolism.
3. Reproduction.
4. Consciousness.

Answer: c.

Question 9. Apart from mules and worker bees, which human condition is cited as an exception to reproduction?

1. Genetic mutation.
2. Infertile human couples.
3. Old age.
4. Teenage phase.

Answer: b.

Question 10. The sum total of all the chemical reactions occurring in the body is termed as?

1. Digestion.
2. Respiration.
3. Metabolism.
4. Excretion.

Answer: c.

Question 11. Is metabolism a defining feature of living organisms?

1. Yes, without any exception.
2. No, it is only a characteristic feature.
3. Yes, but only in multicellular organisms.
4. No, because non-living things also metabolize.

Answer: a.

Question 12. In which type of organisms is metabolism observed?

1. Only in unicellular organisms.
2. Only in multicellular organisms.
3. In all unicellular as well as multicellular organisms.
4. Only in animals.

Answer: c.

Question 13. The ability to respond to external stimuli is known as?

1. Adaptation.
2. Consciousness.
3. Evolution.
4. Reproduction.

Answer: b.

Question 14. Which property allows organisms to sense their environment and respond to it?

1. Metabolism.
2. Consciousness.
3. Growth.
4. Cellular organisation.

Answer: b.

Question 15. Which of the following is a defining feature of all living organisms?

1. Reproduction.
2. Extrinsic growth.
3. Consciousness.
4. Spore formation.

Answer: c.

Question 16. Which organism is strictly aware of itself, i.e., has self-consciousness?

1. Dog.
2. Tiger.
3. Human.
4. Housefly.

Answer: c.

Question 17. Cellular organisation is considered a:?

1. Defining feature of living organisms.
2. Non-defining characteristic.
3. Feature of animals only.
4. Feature of non-living things.

Answer: a.

Question 18. Fungi primarily multiply and spread easily due to the production of?

1. Seeds.
2. Spores.
3. Buds.
4. Gametes.

Answer: b.

Question 19. Which of the following organisms reproduces by fragmentation?

1. Filamentous algae.
2. Protonema of mosses.
3. Fungi.
4. All of the above.

Answer: d.

Question 20. Budding is observed as a mode of reproduction in?

1. Planaria and Fungi.
2. Hydra and Yeast.
3. Protonema of mosses and Algae.
4. Humans and Mules.

Answer: b.

Question 21. True regeneration is uniquely observed in which of the following organisms?

1. Planaria.
2. Mango.
3. Wheat.
4. Housefly.

Answer: a.

Question 22. What kingdom does the Mango tree belong to?

1. Animalia.
2. Fungi.
3. Plant.
4. Monera.

Answer: c.

Question 23. The Division (Phylum) for Mango is?

1. Gymnosperm.
2. Angiosperm.
3. Bryophyta.
4. Pteridophyta.

Answer: b.

Question 24. Mango belongs to which Class?

1. Monocot.
2. Dicot.
3. Mammalia.
4. Insecta.

Answer: b.

Question 25. The Order of Mango is?

1. Poales.
2. Sapindales.
3. Diptera.
4. Primata.

Answer: b.

Question 26. To which Family does the Mango plant belong?

1. Poaceae.
2. Muscidae.
3. Anacardiaceae.
4. Hominidae.

Answer: c.

Question 27. What is the Genus of Mango?

1. Triticum.
2. Musca.
3. Mangifera.
4. Homo.

Answer: c.

Question 28. The scientific species name for Mango is?

1. Triticum aestivum.
2. Musca domestica.
3. Homo sapiens.
4. Mangifera indica.

Answer: d.

Question 29. Wheat belongs to which Kingdom?

1. Animal.
2. Plant.
3. Fungi.
4. Protista.

Answer: b.

Question 30. The Division of Wheat in taxonomic hierarchy is?

1. Angiosperm.
2. Chordata.
3. Arthropoda.
4. Gymnosperm.

Answer: a.

Question 31. Wheat belongs to the Class?

1. Dicot.
2. Monocot.
3. Mammalia.
4. Insecta.

Answer: b.

Question 32. The Order corresponding to Wheat is?

1. Sapindales.
2. Poales.
3. Diptera.
4. Carnivora.

Answer: b.

Question 33. Wheat belongs to which Family?

1. Anacardiaceae.
2. Poaceae.
3. Muscidae.
4. Solanaceae.

Answer: b.

Question 34. What is the Genus name for Wheat?

1. Mangifera.
2. Triticum.
3. Solanum.
4. Canis.

Answer: b.

Question 35. The specific epithet (species) for Wheat is?

1. aestivum.
2. indica.
3. domestica.
4. sapiens.

Answer: a.

Question 36. Housefly belongs to which Kingdom?

1. Plant.
2. Fungi.
3. Animal.
4. Monera.

Answer: c.

Question 37. The Phylum of the Housefly is?

1. Angiosperm.
2. Arthropoda.
3. Chordata.
4. Mollusca.

Answer: b.

Question 38. Housefly belongs to which Class?

1. Mammalia.
2. Insecta.
3. Dicot.
4. Monocot.

Answer: b.

Question 39. The Order of the Housefly is?

1. Sapindales.
2. Poales.
3. Diptera.
4. Primata.

Answer: c.

Question 40. Housefly is placed under the Family?

1. Anacardiaceae.
2. Poaceae.
3. Muscidae.
4. Hominidae.

Answer: c.

Question 41. What is the Genus of the Housefly?

1. Musca.
2. Homo.
3. Panthera.
4. Felis.

Answer: a.

Question 42. The biological species name for Housefly is?

1. Mangifera indica.
2. Triticum aestivum.
3. Musca domestica.
4. Homo sapiens.

Answer: c.

Question 43. Man belongs to which Kingdom?

1. Plant.
2. Animal.
3. Fungi.
4. Protista.

Answer: b.

Question 44. The Phylum of Man is?

1. Arthropoda.
2. Chordata.
3. Angiosperm.
4. Echinodermata.

Answer: b.

Question 45. To which Class does Man belong?

1. Insecta.
2. Mammalia.
3. Dicot.
4. Monocot.

Answer: b.

Question 46. The Order of Man is?

1. Diptera.
2. Primata.
3. Carnivora.
4. Sapindales.

Answer: b.

Question 47. Man belongs to the Family?

1. Hominidae.
2. Muscidae.
3. Felidae.
4. Canidae.

Answer: a.

Question 48. What is the Genus name for Man?

1. Musca.
2. Panthera.
3. Homo.
4. Triticum.

Answer: c.

Question 49. The scientific name for Man is?

1. Homo sapiens.
2. Musca domestica.
3. Mangifera indica.
4. Triticum aestivum.

Answer: a.

Question 50. Which Family is mentioned for animals like Cats?

1. Canidae.
2. Felidae.
3. Solanaceae.
4. Hominidae.

Answer: b.

Question 51. Dogs and wolves belong to which Family?

1. Felidae.
2. Canidae.
3. Muscidae.
4. Anacardiaceae.

Answer: b.

Question 52. Potato and Brinjal belong to which plant Family?

1. Poaceae.
2. Solanaceae.
3. Anacardiaceae.
4. Felidae.

Answer: b.

Question 53. The Genus 'Panthera' belongs to which Family?

1. Canidae.
2. Felidae.
3. Hominidae.
4. Muscidae.

Answer: b.

Question 54. The Genus 'Felis' includes which animal?

1. Tiger.
2. Dog.
3. Cat.
4. Lion.

Answer: c.

Question 55. Which of the following species belongs to the Genus Panthera?

1. Tiger.
2. Lion.
3. Panther.
4. All of the above.

Answer: d.

Question 56. The Genus 'Canis' includes?

1. Cat.
2. Tiger.
3. Dog and Wolf.
4. Lion.

Answer: c.

Question 57. The Genus 'Solanum' includes which of the following?

1. Potato.
2. Brinjal.
3. Both a and b.
4. Mango.

Answer: c.

Question 58. Carnivora represents which taxonomic category in the hierarchy chart?

1. Class.
2. Order.
3. Family.
4. Genus.

Answer: b.

Question 59. Polymoniales is an example of which taxonomic category?

1. Kingdom.
2. Phylum.
3. Order.
4. Family.

Answer: c.

Question 60. According to the taxonomic hierarchy, Animalia is a?

1. Phylum.
2. Kingdom.
3. Class.
4. Order.

Answer: b.

Question 61. Which characteristic is common between both living and non-living entities?

1. Reproduction.
2. Metabolism.
3. Extrinsic growth.
4. Cellular organisation.

Answer: c.

Question 62. Which of the following combinations correctly matches the organism with its reproductive method?

1. Hydra - Fragmentation.
2. Fungi - Spores.
3. Planaria - Budding.
4. Yeast - Regeneration.

Answer: b.

Question 63. Among the following, which is a defining property of living beings?

1. Intrinsic Growth.
2. Reproduction.
3. Cellular Organisation.
4. Both a and c.

Answer: c.

Question 64. Protonema of mosses multiply predominantly through?

1. Budding.
2. Fragmentation.
3. True regeneration.
4. Spore formation.

Answer: b.

Question 65. The term 'Consciousness' as a defining feature implies?

1. The ability to synthesize food.
2. The ability to respond to external stimulus.
3. The ability to increase in mass.
4. The ability to produce clones.

Answer: b.

Question 66. Which taxonomic level is shared by Man and Housefly?

1. Phylum.
2. Kingdom.
3. Class.
4. Order.

Answer: b.

Question 67. The highest taxonomic category provided in the hierarchy diagram is?

1. Species.
2. Genus.
3. Kingdom.
4. Phylum.

Answer: c.

Question 68. The lowest taxonomic category provided in the tables and hierarchy is?

1. Species.
2. Genus.
3. Family.
4. Order.

Answer: a.

Question 69. Which of the following shares the same Class as Mango?

1. Wheat.
2. None, Wheat is a Monocot and Mango is a Dicot.
3. Housefly.
4. Man.

Answer: b.

Question 70. Both Mango and Wheat share which common Division?

1. Dicot.
2. Monocot.
3. Angiosperm.
4. Arthropoda.

Answer: c.

Question 71. Triticum aestivum is commonly known as?

1. Mango.
2. Wheat.
3. Housefly.
4. Man.

Answer: b.

Question 72. Musca domestica is classified under the Order?

1. Primata.
2. Sapindales.
3. Diptera.
4. Poales.

Answer: c.

Question 73. Which of the following families falls under the Order Carnivora?

1. Felidae.
2. Canidae.
3. Both a and b.
4. Hominidae.

Answer: c.

Question 74. Solanaceae is a taxonomic Family that includes?

1. Cats.
2. Dogs.
3. Solanum.
4. Mangoes.

Answer: c.

Question 75. Mangifera indica and Homo sapiens both represent which taxonomic rank?

1. Order.
2. Family.
3. Genus.
4. Species.

Answer: d.

Question 76. The Class Mammalia includes which of the following Orders?

1. Diptera.
2. Primata and Carnivora.
3. Sapindales.
4. Polymoniales.

Answer: b.

Question 77. Which of these is an example of an organism that reproduces by Budding?

1. Yeast.
2. Fungi.
3. Filamentous algae.
4. Planaria.

Answer: a.

Question 78. Which of the following reproduces via true regeneration?

1. Hydra.
2. Yeast.
3. Planaria.
4. Protonema of mosses.

Answer: c.

Question 79. The sum of all chemical reactions is Metabolism. Does any non-living object exhibit this?

1. Yes, in rare cases.
2. No, non-living objects do not exhibit metabolism.
3. Yes, machines exhibit metabolism.
4. Yes, viruses outside host cells exhibit metabolism.

Answer: b.

Question 80. Identify the mismatched pair from the following:

1. Mango - Dicot.
2. Wheat - Monocot.
3. Man - Primata.
4. Housefly - Chordata.

Answer: d.

Question 81. The correct Family for Wheat is?

1. Poaceae.
2. Anacardiaceae.
3. Hominidae.
4. Muscidae.

Answer: a.

Question 82. Which taxonomic category is immediate to Genus in the ascending hierarchy?

1. Species.
2. Family.
3. Order.
4. Class.

Answer: b.

Question 83. The term 'Intrinsic growth' is characteristic of?

1. Living organisms.
2. Non-living objects.
3. Dead organisms.
4. Mountains.

Answer: a.

Question 84. Which of the following is considered a non-defining characteristic of living things?

1. Metabolism.
2. Consciousness.
3. Growth.
4. Cellular organisation.

Answer: c.

Question 85. The Genus 'Homo' falls under which Family?

1. Hominidae.
2. Felidae.
3. Muscidae.
4. Poaceae.

Answer: a.

Question 86. Which of these organisms does not reproduce at all?

1. Hydra.
2. Planaria.
3. Sterile worker bees.
4. Fungi.

Answer: c.

Question 87. Reproduction in living organisms means the production of progeny that are?

1. Exactly identical in all aspects always.
2. Of the same kind.
3. Of different species.
4. Always sterile.

Answer: b.

Question 88. Is reproduction seen in non-living things?

1. Yes, sand dunes reproduce.
2. No, non-living things cannot reproduce.
3. Yes, crystals reproduce.
4. Yes, machines can reproduce.

Answer: b.

Question 89. What distinguishes human consciousness from other organisms?

1. Lack of response to stimuli.
2. Presence of self-consciousness.
3. Slower reaction time.
4. Inability to sense the environment.

Answer: b.

Question 90. Identify the taxonomic class of the animal Panthera tigris (Tiger).

1. Amphibia.
2. Reptilia.
3. Mammalia.
4. Aves.

Answer: c.

Question 91. The Class 'Insecta' is categorized under which Phylum?

1. Chordata.
2. Angiosperm.
3. Arthropoda.
4. Mollusca.

Answer: c.

Question 92. Which of the following sets of animals belongs to Family Canidae?

1. Dog and Cat.
2. Lion and Tiger.
3. Dog and Wolf.
4. Panther and Cat.

Answer: c.

Question 93. Based on the taxonomic hierarchy table, what is the order for Wheat?

1. Sapindales.
2. Poales.
3. Diptera.
4. Primata.

Answer: b.

Question 94. The order Sapindales is associated with which plant?

1. Wheat.
2. Mango.
3. Potato.
4. Brinjal.

Answer: b.

Question 95. Brinjal is scientifically classified under which Genus?

1. Panthera.
2. Canis.
3. Solanum.
4. Felis.

Answer: c.

Question 96. Which feature is defined as the increase in mass and increase in number?

1. Growth.
2. Metabolism.
3. Consciousness.
4. Cellular organisation.

Answer: a.

Question 97. The biological hierarchy classifies 'Chordata' as a?

1. Kingdom.
2. Phylum.
3. Class.
4. Order.

Answer: b.

Question 98. Which of the following is not included in the Family Felidae?

1. Tiger.
2. Lion.
3. Wolf.
4. Cat.

Answer: c.

Question 99. The taxon 'Dicot' is a rank corresponding to?

1. Kingdom.
2. Division.
3. Class.
4. Family.

Answer: c.

Question 100. Which of these properties is completely absent in non-living entities?

1. Increase in mass.
2. Increase in size.
3. Metabolism.
4. Accumulation of material on the surface.

Answer: c.

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