Q. Which of the following is a non-flowering plant? (2020)
A.
Rose
B.
Pine
C.
Sunflower
D.
Tulip
Show solution
Solution
Pine trees are gymnosperms and are considered non-flowering plants as they do not produce flowers.
Correct Answer:
B
— Pine
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Q. Which of the following is a non-living component of an ecosystem? (2022)
A.
Plants
B.
Animals
C.
Water
D.
Bacteria
Show solution
Solution
Water is a non-living component of an ecosystem, while plants, animals, and bacteria are living components.
Correct Answer:
C
— Water
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Q. Which of the following is a non-living component of the ecosystem? (2022)
A.
Plants
B.
Animals
C.
Bacteria
D.
Water
Show solution
Solution
Water is a non-living component of the ecosystem, while plants, animals, and bacteria are living components.
Correct Answer:
D
— Water
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Q. Which of the following is a non-vascular plant? (2019)
A.
Fern
B.
Moss
C.
Pine tree
D.
Flowering plant
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Solution
Mosses are non-vascular plants, meaning they do not have specialized tissues for transporting water and nutrients.
Correct Answer:
B
— Moss
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Q. Which of the following is a permanent method of contraception? (2022)
A.
Condoms
B.
IUD
C.
Tubal ligation
D.
Birth control pills
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Solution
Tubal ligation is a surgical procedure that permanently prevents pregnancy by blocking the fallopian tubes.
Correct Answer:
C
— Tubal ligation
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Q. Which of the following is a postzygotic barrier to reproduction? (1980)
A.
Temporal isolation
B.
Behavioral isolation
C.
Hybrid inviability
D.
Mechanical isolation
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Solution
Hybrid inviability is a postzygotic barrier that occurs when hybrid offspring do not develop properly or die before reaching reproductive maturity.
Correct Answer:
C
— Hybrid inviability
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Q. Which of the following is a potential application of biotechnology in agriculture?
A.
Production of biofuels
B.
Development of pest-resistant crops
C.
Creation of synthetic hormones
D.
All of the above
Show solution
Solution
Biotechnology has various applications in agriculture, including the development of pest-resistant crops, production of biofuels, and creation of synthetic hormones.
Correct Answer:
D
— All of the above
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Q. Which of the following is a potential risk associated with genetically modified crops? (2021)
A.
Increased biodiversity
B.
Development of resistant pests
C.
Higher nutritional value
D.
Lower production costs
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Solution
One potential risk of genetically modified crops is the development of resistant pests, which can lead to increased agricultural challenges.
Correct Answer:
B
— Development of resistant pests
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Q. Which of the following is a potential risk associated with the use of biotechnology in agriculture? (2022)
A.
Increased food production
B.
Development of resistant pests
C.
Improved nutritional value
D.
Lower environmental impact
Show solution
Solution
One potential risk is the development of resistant pests, which can lead to increased pesticide use.
Correct Answer:
B
— Development of resistant pests
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Q. Which of the following is a potential risk associated with the use of GMOs? (2019)
A.
Increased biodiversity
B.
Development of resistant pests
C.
Higher nutritional value
D.
Lower environmental impact
Show solution
Solution
A potential risk associated with the use of GMOs is the development of resistant pests, which can lead to increased pesticide use.
Correct Answer:
B
— Development of resistant pests
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Q. Which of the following is a primary function of the phloem? (2023)
A.
Transport of water
B.
Transport of nutrients
C.
Transport of food
D.
Storage of water
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Solution
Phloem is responsible for the transport of food, primarily in the form of sucrose, from the leaves to other parts of the plant.
Correct Answer:
C
— Transport of food
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Q. Which of the following is a primary producer in an ecosystem? (2022)
A.
Herbivores
B.
Carnivores
C.
Plants
D.
Decomposers
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Solution
Primary producers, such as plants, convert solar energy into chemical energy through photosynthesis.
Correct Answer:
C
— Plants
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Q. Which of the following is a product of biotechnology used in agriculture? (2019)
A.
Insulin
B.
Bt cotton
C.
Human growth hormone
D.
Vaccines
Show solution
Solution
Bt cotton is a genetically modified organism (GMO) that has been engineered to express a bacterial toxin, making it resistant to certain pests.
Correct Answer:
B
— Bt cotton
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Q. Which of the following is a product of microbial fermentation? (2022)
A.
Antibiotics
B.
Vitamins
C.
Alcohol
D.
All of the above
Show solution
Solution
Microbial fermentation can produce antibiotics, vitamins, and alcohol, among other products.
Correct Answer:
D
— All of the above
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Q. Which of the following is a prokaryotic cell? (2022)
A.
Plant cell
B.
Animal cell
C.
Bacterial cell
D.
Fungal cell
Show solution
Solution
Bacterial cells are prokaryotic, meaning they lack a defined nucleus and membrane-bound organelles.
Correct Answer:
C
— Bacterial cell
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Q. Which of the following is a prokaryotic organism? (2022)
A.
Fungi
B.
Bacteria
C.
Plants
D.
Animals
Show solution
Solution
Bacteria are prokaryotic organisms, which means they lack a defined nucleus and membrane-bound organelles.
Correct Answer:
B
— Bacteria
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Q. Which of the following is a purine? (2019)
A.
Cytosine
B.
Thymine
C.
Adenine
D.
Uracil
Show solution
Solution
Adenine is a purine, which is one of the two types of nitrogenous bases in nucleic acids.
Correct Answer:
C
— Adenine
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Q. Which of the following is a role of microbes in agriculture? (2021)
A.
Nitrogen fixation
B.
Soil erosion
C.
Pest infestation
D.
Plant diseases
Show solution
Solution
Microbes, particularly certain bacteria, play a vital role in nitrogen fixation, which is essential for plant growth.
Correct Answer:
A
— Nitrogen fixation
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Q. Which of the following is a role of yeast in human welfare? (2020)
A.
Causing infections
B.
Producing alcohol
C.
Decomposing waste
D.
None of the above
Show solution
Solution
Yeast, particularly Saccharomyces cerevisiae, is used in the production of alcohol through fermentation.
Correct Answer:
B
— Producing alcohol
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Q. Which of the following is a sign of potassium deficiency in plants? (2023)
A.
Stunted growth
B.
Leaf curling
C.
Chlorosis
D.
Necrosis
Show solution
Solution
Potassium deficiency often results in leaf curling and marginal leaf scorch, indicating poor water regulation.
Correct Answer:
B
— Leaf curling
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Q. Which of the following is a source of genetic variation in a population? (2000)
A.
Mutation
B.
Natural selection
C.
Gene flow
D.
Both mutation and gene flow
Show solution
Solution
Both mutation and gene flow contribute to genetic variation in a population, providing the raw material for evolution.
Correct Answer:
D
— Both mutation and gene flow
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Q. Which of the following is a source of genetic variation? (1937)
A.
Mutation
B.
Gene Flow
C.
Sexual Reproduction
D.
All of the above
Show solution
Solution
All of the options listed (mutation, gene flow, and sexual reproduction) are sources of genetic variation in populations.
Correct Answer:
D
— All of the above
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Q. Which of the following is a sustainable practice? (2021)
A.
Overfishing
B.
Monoculture farming
C.
Organic farming
D.
Deforestation
Show solution
Solution
Organic farming is considered a sustainable practice as it promotes biodiversity and reduces chemical inputs.
Correct Answer:
C
— Organic farming
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Q. Which of the following is a symptom of diabetes? (2020)
A.
Frequent urination
B.
High fever
C.
Coughing
D.
Skin rash
Show solution
Solution
Frequent urination is a common symptom of diabetes due to high blood sugar levels.
Correct Answer:
A
— Frequent urination
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Q. Which of the following is a symptom of malaria? (2018)
A.
High fever
B.
Cough
C.
Rash
D.
Nausea
Show solution
Solution
High fever is a common symptom of malaria, caused by Plasmodium parasites.
Correct Answer:
A
— High fever
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Q. Which of the following is a symptom of potassium deficiency in plants? (2022)
A.
Stunted growth
B.
Leaf curling
C.
Necrosis of leaf tips
D.
Yellowing of leaves
Show solution
Solution
Necrosis of leaf tips is a common symptom of potassium deficiency, as potassium is vital for various physiological processes.
Correct Answer:
C
— Necrosis of leaf tips
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Q. Which of the following is a symptom of tuberculosis? (2019)
A.
High fever
B.
Persistent cough
C.
Skin rash
D.
Joint pain
Show solution
Solution
A persistent cough is a common symptom of tuberculosis, along with other respiratory issues.
Correct Answer:
B
— Persistent cough
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Q. Which of the following is a technique used for DNA sequencing? (2019)
A.
Sanger method
B.
Southern blotting
C.
Western blotting
D.
Northern blotting
Show solution
Solution
The Sanger method is a widely used technique for DNA sequencing, allowing for the determination of the nucleotide sequence of DNA.
Correct Answer:
A
— Sanger method
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Q. Which of the following is a type of connective tissue? (2022)
A.
Epithelial tissue
B.
Muscle tissue
C.
Nervous tissue
D.
Adipose tissue
Show solution
Solution
Adipose tissue is a type of connective tissue that stores fat and provides insulation and cushioning.
Correct Answer:
D
— Adipose tissue
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Q. Which of the following is a type of gymnosperm? (2023)
A.
Pine
B.
Rose
C.
Mango
D.
Coconut
Show solution
Solution
Pine is a type of gymnosperm, known for its needle-like leaves and cones.
Correct Answer:
A
— Pine
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Showing 991 to 1020 of 1387 (47 Pages)
Biology (NEET) MCQ & Objective Questions
Biology is a crucial subject for students preparing for the NEET exam, as it covers essential concepts that form the foundation of life sciences. Practicing MCQs and objective questions in Biology not only enhances your understanding but also boosts your confidence during exams. Regular practice with important questions helps in identifying key areas and improves your overall exam preparation.
What You Will Practise Here
Cell Structure and Function
Genetics and Evolution
Human Physiology and Anatomy
Plant Physiology and Morphology
Ecology and Environment
Biotechnology and its Applications
Reproduction and Development in Organisms
Exam Relevance
The topics covered in Biology are integral to various examinations, including CBSE, State Boards, NEET, and JEE. In NEET, Biology constitutes a significant portion of the question paper, often comprising around 50% of the total marks. Common question patterns include multiple-choice questions that test both conceptual understanding and factual knowledge, making it essential to be well-prepared with objective questions.
Common Mistakes Students Make
Confusing similar terms, such as mitosis and meiosis.
Overlooking diagrams and their labels, which are often crucial for answering questions.
Neglecting the application of concepts in real-life scenarios.
Rushing through questions without fully understanding what is being asked.
FAQs
Question: What are the best ways to prepare for Biology (NEET) MCQs?Answer: Regularly practice MCQs, review important concepts, and focus on understanding diagrams and processes.
Question: How can I improve my accuracy in answering objective questions?Answer: Take timed quizzes, analyze your mistakes, and revisit challenging topics to strengthen your grasp.
Start solving practice MCQs today to enhance your understanding and readiness for the NEET exam. Every question you tackle brings you one step closer to your goal!