Q. Which of the following organisms reproduces sexually? (2023)
A.
Bacteria
B.
Fungi
C.
Mammals
D.
All of the above
Show solution
Solution
Mammals reproduce sexually, while bacteria typically reproduce asexually, and fungi can reproduce both sexually and asexually.
Correct Answer:
C
— Mammals
Learn More →
Q. Which of the following organisms reproduces through parthenogenesis? (2020)
A.
Honeybee
B.
Frog
C.
Human
D.
Goldfish
Show solution
Solution
Honeybees can reproduce through parthenogenesis, where unfertilized eggs develop into new individuals.
Correct Answer:
A
— Honeybee
Learn More →
Q. Which of the following organisms reproduces through vegetative propagation? (2020)
A.
Mango
B.
Frog
C.
Human
D.
Fish
Show solution
Solution
Mango trees can reproduce through vegetative propagation, which is a form of asexual reproduction.
Correct Answer:
A
— Mango
Learn More →
Q. Which of the following plant groups is known for having a life cycle that includes alternation of generations? (2022)
A.
Angiosperms
B.
Gymnosperms
C.
Pteridophytes
D.
All of the above
Show solution
Solution
All of the mentioned groups (Angiosperms, Gymnosperms, and Pteridophytes) exhibit alternation of generations in their life cycles.
Correct Answer:
D
— All of the above
Learn More →
Q. Which of the following plant groups is known for having a life cycle that includes both gametophyte and sporophyte generations? (2021)
A.
Angiosperms
B.
Gymnosperms
C.
Pteridophytes
D.
All of the above
Show solution
Solution
Pteridophytes, like ferns, exhibit an alternation of generations with both gametophyte and sporophyte stages.
Correct Answer:
C
— Pteridophytes
Learn More →
Q. Which of the following practices can help conserve biodiversity? (2021)
A.
Deforestation
B.
Overfishing
C.
Sustainable tourism
D.
Pollution
Show solution
Solution
Sustainable tourism can help conserve biodiversity by promoting responsible travel that does not harm ecosystems.
Correct Answer:
C
— Sustainable tourism
Learn More →
Q. Which of the following practices can help in conserving biodiversity? (2021)
A.
Monoculture farming
B.
Deforestation
C.
Sustainable agriculture
D.
Urbanization
Show solution
Solution
Sustainable agriculture practices help in conserving biodiversity by maintaining healthy ecosystems.
Correct Answer:
C
— Sustainable agriculture
Learn More →
Q. Which of the following practices can help reduce soil erosion? (2022)
A.
Overgrazing
B.
Crop rotation
C.
Deforestation
D.
Urbanization
Show solution
Solution
Crop rotation helps maintain soil health and reduces soil erosion by preventing nutrient depletion.
Correct Answer:
B
— Crop rotation
Learn More →
Q. Which of the following practices can lead to habitat fragmentation? (2021)
A.
Urban development
B.
Reforestation
C.
Sustainable agriculture
D.
Wildlife corridors
Show solution
Solution
Urban development can lead to habitat fragmentation by dividing ecosystems into smaller, isolated patches.
Correct Answer:
A
— Urban development
Learn More →
Q. Which of the following processes can lead to speciation? (1990)
A.
Geographic isolation
B.
Behavioral isolation
C.
Temporal isolation
D.
All of the above
Show solution
Solution
Speciation can occur through various processes, including geographic, behavioral, and temporal isolation, leading to the formation of new species.
Correct Answer:
D
— All of the above
Learn More →
Q. Which of the following processes involves the conversion of mRNA into a protein? (2022)
A.
Transcription
B.
Translation
C.
Replication
D.
Translocation
Show solution
Solution
Translation is the process where mRNA is decoded to produce a protein.
Correct Answer:
B
— Translation
Learn More →
Q. Which of the following processes involves the synthesis of proteins? (2022)
A.
Replication
B.
Transcription
C.
Translation
D.
Translocation
Show solution
Solution
Translation is the process that involves the synthesis of proteins from mRNA.
Correct Answer:
C
— Translation
Learn More →
Q. Which of the following processes involves the transfer of genetic material between bacteria? (2022)
A.
Transcription
B.
Translation
C.
Transformation
D.
Transduction
Show solution
Solution
Transformation is the process by which bacteria take up foreign DNA from their environment.
Correct Answer:
C
— Transformation
Learn More →
Q. Which of the following processes is directly influenced by auxins? (2021)
A.
Phototropism
B.
Photosynthesis
C.
Respiration
D.
Transpiration
Show solution
Solution
Auxins are responsible for phototropism, the growth of plants towards light.
Correct Answer:
A
— Phototropism
Learn More →
Q. Which of the following processes is influenced by auxins? (2021)
A.
Phototropism
B.
Gravitropism
C.
Apical dominance
D.
All of the above
Show solution
Solution
Auxins influence various processes including phototropism, gravitropism, and apical dominance.
Correct Answer:
D
— All of the above
Learn More →
Q. Which of the following processes is NOT directly influenced by auxins? (2021)
A.
Phototropism
B.
Gravitropism
C.
Apical dominance
D.
Photosynthesis
Show solution
Solution
Photosynthesis is not directly influenced by auxins; they mainly affect growth and development processes.
Correct Answer:
D
— Photosynthesis
Learn More →
Q. Which of the following processes is NOT influenced by auxins? (2021)
A.
Phototropism
B.
Gravitropism
C.
Apical dominance
D.
Fruit ripening
Show solution
Solution
Fruit ripening is primarily influenced by ethylene, not auxins.
Correct Answer:
D
— Fruit ripening
Learn More →
Q. Which of the following processes is NOT influenced by plant hormones? (2021)
A.
Seed germination
B.
Fruit ripening
C.
Photosynthesis
D.
Flowering
Show solution
Solution
Photosynthesis is a biochemical process that is not directly influenced by plant hormones.
Correct Answer:
C
— Photosynthesis
Learn More →
Q. Which of the following processes is primarily regulated by auxins? (2021)
A.
Phototropism
B.
Photosynthesis
C.
Respiration
D.
Transpiration
Show solution
Solution
Auxins are primarily responsible for phototropism, the growth of plants towards light.
Correct Answer:
A
— Phototropism
Learn More →
Q. Which of the following processes occurs during aerobic respiration in plants? (2020)
A.
Fermentation
B.
Glycolysis
C.
Anaerobic respiration
D.
Photosynthesis
Show solution
Solution
Glycolysis is the first step in aerobic respiration, where glucose is broken down to produce energy.
Correct Answer:
B
— Glycolysis
Learn More →
Q. Which of the following processes occurs during expiration? (2023)
A.
Diaphragm contracts
B.
Intercostal muscles relax
C.
Lungs expand
D.
Air is drawn in
Show solution
Solution
During expiration, the diaphragm relaxes and the intercostal muscles also relax, leading to a decrease in thoracic volume and expulsion of air from the lungs.
Correct Answer:
B
— Intercostal muscles relax
Learn More →
Q. Which of the following processes occurs during the light-dependent reactions of photosynthesis? (2020)
A.
Calvin cycle
B.
Photolysis of water
C.
Carbon fixation
D.
Synthesis of glucose
Show solution
Solution
Photolysis of water occurs during the light-dependent reactions, producing oxygen and electrons.
Correct Answer:
B
— Photolysis of water
Learn More →
Q. Which of the following processes occurs in the mitochondria? (2019)
A.
Photosynthesis
B.
Cellular respiration
C.
Protein synthesis
D.
DNA replication
Show solution
Solution
Mitochondria are known as the powerhouses of the cell, where cellular respiration occurs to produce ATP.
Correct Answer:
B
— Cellular respiration
Learn More →
Q. Which of the following processes occurs in the thylakoid membranes of chloroplasts? (2020)
A.
Calvin cycle
B.
Light-dependent reactions
C.
Light-independent reactions
D.
Photorespiration
Show solution
Solution
The light-dependent reactions of photosynthesis occur in the thylakoid membranes.
Correct Answer:
B
— Light-dependent reactions
Learn More →
Q. Which of the following processes occurs in the thylakoid membranes? (2020)
A.
Calvin cycle
B.
Light-dependent reactions
C.
Light-independent reactions
D.
Photorespiration
Show solution
Solution
The light-dependent reactions of photosynthesis occur in the thylakoid membranes.
Correct Answer:
B
— Light-dependent reactions
Learn More →
Q. Which of the following provides evidence for evolution through common descent? (2010)
A.
Fossil records
B.
Homologous structures
C.
Vestigial organs
D.
All of the above
Show solution
Solution
All of the above options provide evidence for evolution through common descent, showing how different species share common ancestors.
Correct Answer:
D
— All of the above
Learn More →
Q. Which of the following represents a homozygous dominant genotype? (2021)
Show solution
Solution
The genotype 'AA' represents a homozygous dominant individual.
Correct Answer:
A
— AA
Learn More →
Q. Which of the following represents a phenotype? (2021)
A.
BB
B.
Bb
C.
bb
D.
Brown eyes
Show solution
Solution
A phenotype is the observable characteristic, such as brown eyes.
Correct Answer:
D
— Brown eyes
Learn More →
Q. Which of the following represents a test cross? (2020)
A.
AA x aa
B.
Aa x Aa
C.
AA x Aa
D.
aa x aa
Show solution
Solution
A test cross is performed by crossing an individual with a homozygous recessive individual (AA x aa) to determine the genotype of the former.
Correct Answer:
A
— AA x aa
Learn More →
Q. Which of the following statements about evolution is true? (2000)
A.
Evolution is a linear process.
B.
Evolution can occur in response to environmental changes.
C.
All traits are adaptive.
D.
Evolution results in perfect organisms.
Show solution
Solution
Evolution can occur in response to environmental changes, allowing species to adapt to new conditions over time.
Correct Answer:
B
— Evolution can occur in response to environmental changes.
Learn More →
Showing 1171 to 1200 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!