Biology MCQs for NEET Chapter – Biological Classification

Here in this article, we are providing Biology MCQs for NEET. MCQ questions in NEET are designed to test the candidate’s knowledge, understanding, and application of concepts related to biology, physics, and chemistry. These questions require students to analyze the given information and choose the most appropriate answer from the list of options provided.

Here we are providing Biology MCQs for NEET Chapter- Biological Classification.

Biology MCQs for NEET Chapter – Biological Classification

Q.1. Nuclear dimorphism is shown by
(a) Paramecium
(b) Amoeba
(c) Plasmodium
(d) Trypanosoma

Show Answer Answer: (a)

Q.2. Eubacteria can be differentiated from archaebacteria on the basis of
(a) Ribosomes
(b) Gene of tRNA
(c) Cell wall
(d) Nutrition

Show Answer Answer: (c) Eubacteria can be differentiated from archaebacteria and bacteria on the basis of cell wall. Eubacteria possess true cell wall, made up of NAM and NAG i.e., Nacetyl muramic acid and N-acetyl glucoseamine. Cell wall of archaebacteria is made up of N-acetyl talosaminuric acid.

Q.3. Most common type of genetic material present in bacteriophages is
(a) ds RNA
(b) ss RNA
(c) ds DNA
(d) ss DNA

Show Answer Answer: (c) T2 phage consists of linear ds DNA.

Q.4. Which of the following processes are involved in the reproduction of protista?
(a) Binary fission and fragmentation
(b) Cell fusion and zygote formation
(c) Spore formation and fragmentation
(d) Budding and spore formation

Show Answer Answer: (b)

Q.5. Which of the following statement about Mycoplasma is true:
(a) They are smallest, disease causing thin walled organisms
(b) They differ from viruses in being cellular in organisation
(c) Insensitive to several antibiotics as they have 70S ribosomes
(d) They can survive without photosynthetic pigments and genetic material

Show Answer Answer: (b) Cell wall is absent in Mycoplasma

Q.6. Consider the following characters:
Non-motile spores, saprophytic unicellular eukaryotes, transfer of gametes by wind currents, Differentiation of plasmodium under suitable conditions.
How many of the characters given in box belong to slime moulds?
(a) Four
(b) One
(c) Three
(d) Two

Show Answer Answer: (d)

Q.7. Select the pair that consists of plant or animal bacterial diseases.
(a) Cholera and typhoid
(b) Citrus canker and crown gall
(c) Malaria and dengue
(d) Both (a) and (b)

Show Answer Answer: (d) Pathogen of cholera is Vibrio cholerae bacterium. Cholera is transmitted by contaminated water. Typhoid or enteric fever spreads through contaminated water in which bacterium Salmonella typhi is present. Citrus canker and crown gall are bacterial disease of plants caused by Xanthomonas citri and Agrobacterium tumefaciens respectively.

Q.8. In prokaryotes, the genetic material is
(a) linear DNA with histones
(b) circular DNA with histones
(c) linear DNA without histones
(d) circular DNA without histones

Show Answer Answer: (d)

Q.9. Which of the following bacteria carry out oxygenic photosynthesis by means of a photosynthetic apparatus similar to the eukaryotes?
(a) Purple sulphur bacteria
(b) Green sulphur bacteria
(c) Cyanobacteria
(d) More than one option is correct

Show Answer Answer: (c) Cyanobacteria, chlorophyll a, PS I and II.

Q.10. Bacteria is a group of prokaryotic organisms which is characterised by
(a) 70 S ribosomes
(b) Peptidoglycan cell wall
(c) Simple structure and complex behaviour
(d) All of the above.

Show Answer Answer: (d)

Q.11. What may be a ‘photosynthetic protistian’ to one biologist may be ‘a plant’ to another? Which of the given below features of slime moulds shows linkage with plant?
(a) Presence of holozoic nutrition
(b) Presence of diverse sexual reproduction
(c) Slime moulds have cellulosic spore wall
(d) Formation of fruiting bodies

Show Answer Answer: (c) Vegetative phase-animal-like and reproductive phase- plantlike.

Q.12. Cyanobacteria are classified under which of the following kingdoms?
(a) Monera
(b) Protista
(c) Algae
(d) Plantae

Show Answer Answer: (a) Cyanobacteria or blue-green algae are Gram + photosynthetic prokaryotes which perform oxygenic photosynthesis. Photosynthetic pigments include chlorophyll a, carotenoids and phycobilins. Cyanobacteria are classified under kingdom Monera. Cyanobacterial cell structure is typically prokaryotic – one envelope organisation with peptidogolycan wall, naked DNA, 70S ribosomes and absence of membrane bound structure like endoplasmic reticulum, mitochondria, golgi bodies, plastids, lysosomes, sap vacuoles. The outer part of the protoplast, called chromoplasm, contains a number of photosynthetic thylakoids.

Q.13. ______________are important decomposers that cause decay and decomposition of dead bodies of plants and animals.
(a) Saprotrophic bacteria
(b) Saprotrophic fungi
(c) Plants, like Sarracenia
(d) Both (a) and (b)

Show Answer Answer: (d) Saprophytic bacteria are free living bacteria which obtain their food from organic remains, plant and animal origin. Aerobic breakdown of organic compounds is known as decay. In nature saprophytic bacteria along with saprotrophic fungi are the decomposers of organic remains.

Q.14. Choose the correct match
(a) Gonyaulax – Red sea
(b) Euglena – Chlorophyll a & c
(c) Desmids – Chrysophytes
(d) Gymnodinium – Hemicellulosic plates in wall

Show Answer Answer: (c) Desmids i.e., golden algae belong to group chrysophytes. These are found in freshwater as well as marine environment.

Q.15. Chrysophytes are
(a) planktons
(b) nektons
(c) benthic organisms
(d) rooted submerged.

Show Answer Answer: (a) Diatoms are very important photosynthesizers. About half of all the organic matter synthesized in the world is believed to be produced by them. Diatoms are probably the most numerous of all plants like protists. Because of this abundance, they are one of the most important primary producers of the sea. There are about 5,500 species of diatoms, mainly marine. The diatoms constitute an important phytoplankton component of the oceans.

Q.16. Eukaryotic, achlorophyllous and heterotrophic organisms are grouped under which of the following kingdoms?
(a) Monera
(b) Protista
(c) Fungi
(d) Plantae

Show Answer Answer: (c) Fungi is a large kingdom of over 100,000 species. They are achlorophyllous, heterotrophic, spore-forming, non-vascular, eukaryotic organisms which often contain chitin or fungal cellulose in their walls and possess glycogen as food reserve. They are cosmopolitan in occurrence being present in air, water, soil, over and inside animals and plants.

Q.17. In the five-kingdom system of classification, which single kingdom out of the following can include blue, green algae, nitrogen-fixing bacteria and methanogenic archaebacteria?
(a) Fungi
(b) Plantae
(c) Protista
(d) Monera

Show Answer Answer: (d) Monera is the kingdom of all prokaryotes and includes bacteria, blue green algae (cyanobacteria) and archae- bacteriaa group of ancient bacteria kingdom. Protista includes slime unicellular and colonial eukaryotes. The important members are diatoms, dinoflagellates, euglenoids, alone moulds and protozoans. Fungi the kingdom of multicellular or multinucleate heterophyllous and spore producing eukaryotic organisms like Rhizopus mildews, mushroom etc. Kingdom plantae includes all coloured multicellular photosynthetic organisms (plants).

Q.18. Virion is
(a) nulceic acid of virus
(b) antiviral agent
(c) protein of virus
(d) completely assembled virus outside host.

Show Answer Answer: (d) Virus is an obligate parasite and is inert outside the host cell. An inert virus outside host is called virion.

Q.19. Phenetic classification of organisms is based on
(a) Observable characteristics of existing organisms
(b) The ancestral lineage of existing organisms
(c) Dendogram based on DNA characteristics
(d) Sexual characteristics

Show Answer Answer: (a) Phenetic classification is purely based on appearances. Phylogenetic classifiaction is based on ancestral lineage. Karyotaxonomy is based on DNA characteristics. Morphotaxonomy involves morphological characters.

Q.20. Viruses that infect bacteria, multiply and cause their lysis, are called
(a) Lysozymes
(b) Lipolytic
(c) Lytic
(d) Lysogenic

Show Answer Answer: (c) Viruses that get integrated with the bacterial host genome are called Lysogenic. Lysozymes are present in the saliva and are antibacterial agents. Lipolytic enzymes are the enzymes which catalyse breakdown (lysis) of fats (Lipids).

Importance of Practicing MCQ Questions for NEET Biology

Practicing Multiple Choice Questions (MCQs) is an important part of preparing for the NEET Biology exam. Here are some reasons why practicing MCQs is essential for NEET Biology preparation:

  1. Enhances knowledge retention: MCQs require you to recall information, which helps improve your memory and knowledge retention.
  2. Increases speed and accuracy: Regular practice of MCQs helps you become faster and more accurate in answering questions, which is essential for the NEET Biology exam.
  3. Familiarizes with the exam pattern: Practicing MCQs gives you an idea of the type of questions that can be asked in the exam, helping you prepare better.
  4. Improves test-taking skills: MCQs require you to analyze information and choose the best answer from a given set of options. This helps improve your test-taking skills.
  5. Helps identify knowledge gaps: Practicing MCQs can help you identify areas where you need to improve your understanding or clarify your concepts.
  6. Boosts confidence: Regular practice of MCQs can help boost your confidence, making you feel more prepared and less anxious about the exam.

Therefore, it is important to practice MCQs as part of your NEET Biology exam preparation to increase your chances of success.

Best Ways to Prepare for NEET Biology

Preparing for NEET biology requires a combination of a strong foundation in fundamental concepts and consistent practice. Here are some tips on how to prepare for NEET biology:

  1. Understand the Syllabus: NEET biology syllabus covers a vast range of topics, so it’s essential to have a clear understanding of the syllabus. Refer to the NEET biology syllabus and mark the topics that you need to focus on.
  2. Strengthen the Fundamentals: NEET biology tests your understanding of basic concepts, so it’s crucial to have a strong foundation in fundamental concepts. Start with the basics and build on them. Use textbooks and other study materials to revise the basics.
  3. Practice Diagrams: Biology has a lot of diagrams that need to be labeled and explained. Practice drawing and labeling diagrams regularly to ensure that you are comfortable with it.
  4. Practice MCQs: NEET biology consists mainly of multiple-choice questions (MCQs). Practice MCQs regularly to improve your speed and accuracy.
  5. Take Mock Tests: Take mock tests regularly to get an idea of the exam pattern, time management, and to identify your strengths and weaknesses. Analyze your performance in the mock tests and work on improving your weak areas.
  6. Revision: Revision is crucial to retain what you have studied. Set aside time for regular revision and ensure that you revise all the topics at least once.
  7. Stay Motivated: NEET biology requires consistent effort and hard work. Stay motivated and focused on your goals and maintain a positive attitude towards your preparation.

So, preparing for NEET biology requires a combination of strong fundamentals, consistent practice, and regular revision. With proper planning and dedicated effort, you can score well in NEET biology.

Chapters Covered in NEET Biology

NEET Biology covers a vast range of topics from both Botany and Zoology. The NEET Biology syllabus is divided into two parts – Class 11 and Class 12. Here is an overview of the chapters covered in NEET Biology:

Class 11 Biology:

  1. The Living World
  2. Biological Classification
  3. Plant Kingdom
  4. Animal Kingdom
  5. Morphology of Flowering Plants
  6. Anatomy of Flowering Plants
  7. Structural Organisation in Animals
  8. Cell: The Unit of Life
  9. Biomolecules
  10. Cell Cycle and Cell Division
  11. Transport in Plants
  12. Mineral Nutrition
  13. Photosynthesis in Higher Plants
  14. Respiration in Plants
  15. Plant Growth and Development

Class 12 Biology:

  1. Reproduction in Organisms
  2. Sexual Reproduction in Flowering Plants
  3. Human Reproduction
  4. Reproductive Health
  5. Principles of Inheritance and Variation
  6. Molecular Basis of Inheritance
  7. Evolution
  8. Human Health and Disease
  9. Strategies for Enhancement in Food Production
  10. Microbes in Human Welfare
  11. Biotechnology: Principles and Processes
  12. Biotechnology and its Applications
  13. Organisms and Populations
  14. Ecosystem
  15. Biodiversity and Conservation
  16. Environmental Issues

The NEET Biology syllabus covers a diverse range of topics, and it is essential to have a clear understanding of each topic to score well in the exam. It is recommended to refer to the NCERT textbooks and other standard reference books for NEET Biology preparation.

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