NEET PYQs – Chapter: The Living World (Part 2 – Questions 21 to 44 with Detailed Solutions)

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 🔥 NEET PYQs – Chapter: The Living World (Part 2 – Questions 21 to 44 with Detailed Solutions)


Certainly! Continuing with questions 21 to 50 for the Living World chapter NEET PYQs with detailed solutions:

21. Question:

Which of the following is characteristic of the kingdom Animalia?

  • A) Organisms are multicellular, autotrophic, and eukaryotic.

  • B) Organisms are unicellular, heterotrophic, and prokaryotic.

  • C) Organisms are multicellular, heterotrophic, and eukaryotic.

  • D) Organisms are multicellular, autotrophic, and prokaryotic.

Answer:
C) Organisms are multicellular, heterotrophic, and eukaryotic.

Explanation:
Animalia consists of multicellular, heterotrophic (consuming other organisms for nutrition), eukaryotic organisms. They lack a cell wall and have complex body structures.

22. Question:

Which of the following is not a mode of reproduction in living organisms?

  • A) Binary fission

  • B) Budding

  • C) Fragmentation

  • D) Distillation

Answer:
D) Distillation

Explanation:
Distillation is a physical separation technique used to separate liquids based on differences in boiling points, not a form of reproduction in living organisms.

23. Question:

Which one of the following is an example of a prokaryotic organism?

  • A) Amoeba

  • B) Bacterium

  • C) Yeast

  • D) Paramecium

Answer:
B) Bacterium

Explanation:
Bacteria are prokaryotic organisms, meaning their cells lack a membrane-bound nucleus. They belong to the kingdom Monera.

24. Question:

Which of the following is the correct definition of a species?

  • A) A group of individuals capable of interbreeding and producing fertile offspring.

  • B) A group of organisms that look alike.

  • C) A group of organisms of the same family.

  • D) A group of organisms found in the same habitat.

Answer:
A) A group of individuals capable of interbreeding and producing fertile offspring.

Explanation:
A species is a group of organisms that can interbreed and produce fertile offspring. This is a key concept in biological classification.

25. Question:

Which of the following kingdoms contains organisms that are unicellular and have a simple structure?

  • A) Animalia

  • B) Plantae

  • C) Monera

  • D) Fungi

Answer:
C) Monera

Explanation:
The kingdom Monera consists of unicellular organisms like bacteria, which have simple structures (prokaryotic cells).

26. Question:

Which of the following is a feature of the kingdom Protista?

  • A) Organisms are unicellular and autotrophic.

  • B) Organisms are multicellular and heterotrophic.

  • C) Organisms can be unicellular or multicellular and can be autotrophic or heterotrophic.

  • D) Organisms are prokaryotic and unicellular.

Answer:
C) Organisms can be unicellular or multicellular and can be autotrophic or heterotrophic.

Explanation:
The kingdom Protista is highly diverse, containing both autotrophic and heterotrophic organisms, and both unicellular and multicellular forms.

27. Question:

Which of the following kingdoms contains organisms that can be both autotrophic and heterotrophic?

  • A) Monera

  • B) Plantae

  • C) Animalia

  • D) Protista

Answer:
D) Protista

Explanation:
Some protists, like Euglena, can photosynthesize (autotrophic) while others, like Amoeba, consume other organisms (heterotrophic).

28. Question:

Which of the following terms refers to the study of evolutionary relationships among organisms?

  • A) Morphology

  • B) Physiology

  • C) Taxonomy

  • D) Systematics

Answer:
D) Systematics

Explanation:
Systematics is the branch of biology that deals with the study of the evolutionary relationships and classification of organisms.

29. Question:

Which of the following is a characteristic of the kingdom Fungi?

  • A) They are autotrophic and eukaryotic.

  • B) They are heterotrophic and eukaryotic.

  • C) They are prokaryotic and autotrophic.

  • D) They are multicellular, prokaryotic, and autotrophic.

Answer:
B) They are heterotrophic and eukaryotic.

Explanation:
Fungi are heterotrophic organisms that absorb nutrients from organic material. They are eukaryotic, meaning their cells have a nucleus.

30. Question:

Which of the following is true about viruses?

  • A) They can be classified in any of the five kingdoms.

  • B) They are living organisms outside the host cell.

  • C) They cannot reproduce on their own and require a host cell.

  • D) They are made of prokaryotic cells.

Answer:
C) They cannot reproduce on their own and require a host cell.

Explanation:
Viruses are considered non-living outside a host cell and cannot reproduce on their own. They must infect a host cell to replicate.

31. Question:

What is the main difference between prokaryotic and eukaryotic cells?

  • A) Prokaryotic cells have a defined nucleus, while eukaryotic cells do not.

  • B) Prokaryotic cells are larger than eukaryotic cells.

  • C) Eukaryotic cells have a membrane-bound nucleus, while prokaryotic cells do not.

  • D) Prokaryotic cells are multicellular, while eukaryotic cells are unicellular.

Answer:
C) Eukaryotic cells have a membrane-bound nucleus, while prokaryotic cells do not.

Explanation:
Eukaryotic cells contain a well-defined, membrane-bound nucleus, while prokaryotic cells lack a membrane-bound nucleus.

32. Question:

What is the primary source of energy for plants?

  • A) Oxygen

  • B) Sunlight

  • C) Glucose

  • D) Water

Answer:
B) Sunlight

Explanation:
Plants obtain energy primarily from sunlight through the process of photosynthesis.

33. Question:

Which of the following kingdoms includes organisms that are capable of both sexual and asexual reproduction?

  • A) Monera

  • B) Plantae

  • C) Protista

  • D) Fungi

Answer:
C) Protista

Explanation:
Many protists are capable of both sexual and asexual reproduction, depending on environmental conditions.

34. Question:

Which kingdom includes organisms with a chitinous cell wall?

  • A) Plantae

  • B) Fungi

  • C) Animalia

  • D) Protista

Answer:
B) Fungi

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

35. Question:

Which of the following organisms is classified under the kingdom Plantae?

  • A) Euglena

  • B) Algae

  • C) Amoeba

  • D) Yeast

Answer:
B) Algae

Explanation:
Algae are autotrophic organisms that belong to the kingdom Plantae and can perform photosynthesis.

36. Question:

Which of the following is true about multicellular organisms?

  • A) They consist of many cells that work together to perform various functions.

  • B) They consist of a single cell.

  • C) They do not require energy to survive.

  • D) They cannot reproduce.

Answer:
A) They consist of many cells that work together to perform various functions.

Explanation:
Multicellular organisms have specialized cells that work together to perform the various functions necessary for life.

37. Question:

What is the main function of the nucleus in a cell?

  • A) Producing energy

  • B) Controlling cellular activities and storing genetic material

  • C) Synthesizing proteins

  • D) Transporting molecules

Answer:
B) Controlling cellular activities and storing genetic material

Explanation:
The nucleus contains the cell’s genetic material (DNA) and is responsible for controlling cell activities and cell division.

38. Question:

Which of the following best defines the term "taxonomy"?

  • A) The study of animal behavior

  • B) The study of plant classification

  • C) The classification of organisms based on their features and evolutionary relationships

  • D) The study of genetic disorders

Answer:
C) The classification of organisms based on their features and evolutionary relationships

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

39. Question:

Which of the following kingdoms contains organisms that are autotrophic, multicellular, and have a cell wall?

  • A) Plantae

  • B) Fungi

  • C) Monera

  • D) Protista

Answer:
A) Plantae

Explanation:
Plants are autotrophic (produce their own food), multicellular, and have a cell wall made of cellulose.

40. Question:

Which kingdom includes both unicellular and multicellular organisms that can be autotrophic or heterotrophic?

  • A) Monera

  • B) Protista

  • C) Fungi

  • D) Plantae

Answer:
B) Protista

Explanation:
Protista is a diverse kingdom that includes both autotrophic and heterotrophic organisms, and both unicellular and multicellular forms.

41. Question:

Which of the following is an example of an organism in the kingdom Monera?

  • A) Bacterium

  • B) Mushroom

  • C) Amoeba

  • D) Algae

Answer:
A) Bacterium

Explanation:
Bacteria are unicellular prokaryotic organisms classified under the kingdom Monera.

42. Question:

Which group of organisms is capable of producing their own food through photosynthesis?

  • A) Animals

  • B) Fungi

  • C) Plants

  • D) Bacteria

Answer:
C) Plants

Explanation:
Plants are autotrophic organisms capable of photosynthesis, producing their own food using sunlight, water, and carbon dioxide.

43. Question:

Which kingdom includes organisms that are primarily heterotrophic and lack a cell wall?

  • A) Plantae

  • B) Fungi

  • C) Animalia

  • D) Monera

Answer:
C) Animalia

Explanation:
Animals are heterotrophic, multicellular organisms that lack a cell wall, distinguishing them from plants and fungi.

44. Question:

Which of the following is the largest taxonomic unit?

  • A) Family

  • B) Class

  • C) Kingdom

  • D) Genus

Answer:
**

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