Living World NEET Questions

Preparing for NEET exam 2025 requires a solid understanding of every topic, and the living world NEET questions play a vital role. Resources such as living world NEET questions and answers PDF free download provide easy access to critical questions, helping students prepare thoroughly.

The topic of human reproduction is crucial for NEET preparation. Understanding this area is essential, as questions frequently appear in the exam, testing both conceptual clarity and application-based knowledge. By practicing living world NEET questions mock test and quizzes, students can strengthen their understanding of human reproduction within the broader context of the living world.

Living World NEET Questions with Answers

Top 10 Important Living World NEET Questions and Answers

Question 1: Which of the following is an example of a unicellular organism?

1. Dog
2. Fungi
3. Paramecium
4. Tree

Answer: The correct answer is c) Paramecium.

Explanation: Paramecium is a single-celled organism belonging to the group of protozoans. Dogs, fungi, and trees are all multicellular organisms.

Question 2: Taxonomy is the branch of biology that deals with:

1. Study of genes
2. Study of inheritance
3. Classification of organisms
4. Study of ecosystems

Answer: The correct answer is c) Classification of organisms.

Explanation: Taxonomy is the science of naming, defining, and classifying organisms into groups based on their characteristics and relationships.

Question 3: The process by which green plants convert sunlight into chemical energy is called:

1. Respiration
2. Photosynthesis
3. Reproduction
4. Digestion

Answer: The correct answer is b) Photosynthesis.

Explanation: Photosynthesis is the process where plants use sunlight to convert carbon dioxide and water into glucose and oxygen, producing energy.

Question 4: Which of the following is a characteristic of all living organisms?

1. Ability to grow and develop
2. Ability to reproduce
3. Ability to respond to stimuli
4. All of the above

Answer: The correct answer is d) All of the above.

Explanation: All living organisms have the ability to grow, reproduce, and respond to environmental stimuli. These are fundamental characteristics of life.

Question 5: The branch of biology that deals with the study of fossils is called:

1. Paleontology
2. Genetics
3. Biotechnology
4. Ecology

Answer: The correct answer is a) Paleontology.

Explanation: Paleontology is the scientific study of fossils, which helps us understand the history of life on Earth.

Question 6: Which of the following is an example of an autotrophic organism?

1. Lion
2. Human
3. Algae
4. Fungus

Answer: The correct answer is c) Algae.

Explanation: Autotrophic organisms, like algae, can produce their own food through photosynthesis. Lions, humans, and fungi are heterotrophic and rely on other organisms for nutrition.

Question 7: Which of the following is not a kingdom in the five-kingdom classification system?

1. Plantae
2. Animalia
3. Fungi
4. Protista

Answer: The correct answer is d) Protista.

Explanation: Protista is indeed a kingdom in the five-kingdom system. The error in the question likely refers to an outdated or different classification. However, Plantae, Animalia, and Fungi are valid kingdoms.

Question 8: The study of the structure and function of cells is called:

1. Genetics
2. Anatomy
3. Physiology
4. Cytology

Answer: The correct answer is d) Cytology.

Explanation: Cytology is the branch of biology that focuses on the structure, function, and behavior of cells.

Question 9: Which of the following is not a characteristic of living organisms?

1. Reproduction
2. Metabolism
3. Inorganic composition
4. Growth

Answer: The correct answer is c) Inorganic composition.

Explanation: Living organisms are composed of organic molecules. Inorganic composition refers to non-living matter, which is not a characteristic of living organisms.

Question 10: The process of converting complex food substances into simpler forms to release energy is known as:

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

Answer: The correct answer is a) Digestion.

Explanation: Digestion is the process by which food is broken down into simpler substances so that the body can absorb and use the nutrients for energy.

Living World NEET Questions PYQ for 2025

Question 1: Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature? (NEET-I 2016)

1. First word in a biological name represents the genus name and the second is a specific epithet
2. Biological names can be written in any language
3. When written by hand, the names are to be underlined
4. Names are written in Latin and are italicized

Answer: The correct answer is B) Biological names can be written in any language.

Explanation: Biological names must be written in Latin or Latinized forms, not in any language.

Question 2: Match Column I and II for housefly classification and select the correct option using codes provided below: (NEET-II 2016)

Column I:

• a. Family
• b. Order
• c. Class
• d. Phylum

Column II:

• i. Diptera
• ii. Arthropoda
• iii. Muscidae
• iv. Insecta

1. a-i, b-ii, c-i, d-iii
2. a-iv, b-iii, c-ii, d-i
3. a-iii, b-ii, c-iv, d-i
4. a-iii, b-i, c-iv, d-ii

Answer: The correct answer is D) a-iii, b-i, c-iv, d-ii.

Explanation: This matches the correct classification for houseflies based on their family, order, class, and phylum.

Question 3: This is an incorrect statement (NEET 2013)

1. Botanical gardens have a collection of living plants for reference
2. Herbarium houses dried, pressed and preserved plant specimens
3. Key is a taxonomic aid for identification of specimens
4. A museum has a collection of photographs of animals and plants

Answer: The correct answer is D) A museum has a collection of photographs of animals and plants.

Explanation: Museums house preserved specimens, not just photographs, for study and reference.

Question 4: This entity is scientifically correctly named, correctly printed as per the International Rules of Nomenclature and correctly described (Mains 2012)

1. E-coli – full name Entamoeba coli, a commonly occurring bacterium in human intestine
2. Felis tigris – the Indian tiger, well protected in Gir forests
3. Plasmodium falciparum – a protozoan pathogen causing the most serious type of malaria
4. Musca domestica – the common house lizard, a reptile

Answer: The correct answer is C) Plasmodium falciparum – a protozoan pathogen causing the most serious type of malaria.

Explanation: Plasmodium falciparum is correctly described as a protozoan pathogen responsible for the most dangerous form of malaria.

Question 5: The common characteristics between potato and tomato will be maximum at the level of their (NEET 2013)

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

Answer: The correct answer is B) Family.

Explanation: Both potato and tomato belong to the same family, Solanaceae, so they share the most characteristics at that level.

Question 6: This animal is correctly matched with its particular taxonomic category (2011)

1. Housefly – Musca, order
2. Humans – primata, family
3. Cuttlefish – mollusca, class
4. Tiger – Tigris, species

Answer: The correct answer is D) Tiger – Tigris, species.

Explanation: The correct species name for a tiger is Panthera tigris. Tigris refers to the species level.

Question 7: This aspect is an exclusive characteristic of living things (Mains 2011)

1. Increase in mass by the accumulation of material both on the surface as well as internally
2. Perception of events happening in the environment and their memory
3. Increase in mass from inside only
4. Isolated metabolic reactions occur in vitro

Answer: The correct answer is B) Perception of events happening in the environment and their memory.

Explanation: The ability to perceive and respond to environmental stimuli is a characteristic unique to living organisms.

Question 8: Species are considered as (2003)

1. Real units of classification devised by taxonomists
2. Artificial concept of the human mind which cannot be defined in absolute terms
3. Real basic units of classification
4. None of these

Answer: The correct answer is C) Real basic units of classification.

Explanation: Species are the most fundamental units of biological classification, used to group organisms that can interbreed and produce fertile offspring.

Question 9: Biosystematics aims at (2003)

1. The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies
2. The classification of organisms based on broad morphological characters
3. Identification and arrangement of organisms on the basis of their cytological characteristics
4. Delimiting various taxa of organisms and establishing their relationships

Answer: The correct answer is A) The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies.

Explanation: Biosystematics focuses on understanding the evolutionary relationships between organisms using various scientific parameters.

Question 10: Label of a herbarium sheet does not carry information on (NEET-II 2016)

1. Height of the plant
2. Name of the collector
3. Local names
4. Date of collection

Answer: The correct answer is A) Height of the plant.

Explanation: Herbarium sheets include information such as the name of the collector, local names, and date of collection but do not include the plant’s height.