Q. Which of the following statements about parthenogenesis is true? (2020)
A.
It involves fertilization
B.
It is a form of sexual reproduction
C.
It produces offspring from unfertilized eggs
D.
It is common in mammals
Show solution
Solution
Parthenogenesis is a form of asexual reproduction where offspring develop from unfertilized eggs.
Correct Answer:
C
— It produces offspring from unfertilized eggs
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Q. Which of the following statements about respiration in plants is true? (2022)
A.
It occurs only at night
B.
It is independent of photosynthesis
C.
It produces more energy than fermentation
D.
It only occurs in leaves
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Solution
Respiration in plants produces more energy than fermentation, as it fully oxidizes glucose in the presence of oxygen.
Correct Answer:
C
— It produces more energy than fermentation
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Q. Which of the following structures carries genetic information? (2019)
A.
Ribosome
B.
Chromosome
C.
Endoplasmic Reticulum
D.
Golgi Apparatus
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Solution
Chromosomes are structures that carry genetic information in the form of genes.
Correct Answer:
B
— Chromosome
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Q. Which of the following structures develops into a fruit after fertilization? (2022)
A.
Ovary
B.
Stigma
C.
Anther
D.
Filament
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Solution
After fertilization, the ovary of the flower develops into a fruit, which contains the seeds.
Correct Answer:
A
— Ovary
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Q. Which of the following structures develops into a seed after fertilization? (2022)
A.
Ovary
B.
Ovule
C.
Stigma
D.
Anther
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Solution
The ovule develops into a seed after fertilization occurs.
Correct Answer:
B
— Ovule
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Q. Which of the following structures is found in plant cells but not in animal cells? (2020)
A.
Cell membrane
B.
Nucleus
C.
Chloroplast
D.
Mitochondria
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Solution
Chloroplasts are found in plant cells and are responsible for photosynthesis, while animal cells do not have them.
Correct Answer:
C
— Chloroplast
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Q. Which of the following structures is found only in plant cells? (2022)
A.
Cell membrane
B.
Mitochondria
C.
Chloroplast
D.
Ribosome
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Solution
Chloroplasts are found only in plant cells and are responsible for photosynthesis.
Correct Answer:
C
— Chloroplast
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Q. Which of the following structures is involved in pollen production? (2021)
A.
Ovary
B.
Anther
C.
Style
D.
Stigma
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Solution
The anther is the part of the stamen that produces pollen.
Correct Answer:
B
— Anther
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Q. Which of the following structures is NOT part of the respiratory system? (2021)
A.
Trachea
B.
Larynx
C.
Esophagus
D.
Bronchi
Show solution
Solution
The esophagus is part of the digestive system, while the trachea, larynx, and bronchi are components of the respiratory system.
Correct Answer:
C
— Esophagus
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Q. Which of the following structures is responsible for the production of red blood cells? (2019)
A.
Liver
B.
Spleen
C.
Bone marrow
D.
Thymus
Show solution
Solution
Bone marrow is the primary site for the production of red blood cells in the human body.
Correct Answer:
C
— Bone marrow
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Q. Which of the following structures is responsible for the storage of calcium ions in muscle cells? (2023)
A.
Mitochondria
B.
Sarcoplasmic reticulum
C.
Nucleus
D.
Golgi apparatus
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Solution
The sarcoplasmic reticulum is responsible for storing calcium ions, which are crucial for muscle contraction.
Correct Answer:
B
— Sarcoplasmic reticulum
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Q. Which of the following structures is responsible for transmitting nerve impulses to muscle fibers? (2023)
A.
Motor neuron
B.
Sensory neuron
C.
Interneuron
D.
Glial cell
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Solution
Motor neurons transmit nerve impulses to muscle fibers, initiating muscle contraction.
Correct Answer:
A
— Motor neuron
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Q. Which of the following structures is responsible for transmitting the action potential in muscle fibers? (2023)
A.
A. Sarcoplasmic reticulum
B.
B. T-tubules
C.
C. Myofibrils
D.
D. Endomysium
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Solution
T-tubules (transverse tubules) are responsible for transmitting the action potential deep into the muscle fiber.
Correct Answer:
B
— B. T-tubules
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Q. Which of the following structures prevents backflow of blood in the heart? (2023)
A.
Valves
B.
Aorta
C.
Vena cavae
D.
Septum
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Solution
Valves in the heart prevent the backflow of blood, ensuring it flows in one direction through the heart chambers.
Correct Answer:
A
— Valves
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Q. Which of the following substances is NOT typically found in urine? (2022)
A.
Urea
B.
Glucose
C.
Creatinine
D.
Uric acid
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Solution
Glucose is not typically found in urine unless there is a condition such as diabetes mellitus.
Correct Answer:
B
— Glucose
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Q. Which of the following techniques is used for the production of genetically modified plants? (2023)
A.
Polymerase chain reaction
B.
Gene cloning
C.
Agrobacterium-mediated transformation
D.
Electrophoresis
Show solution
Solution
Agrobacterium-mediated transformation is a common technique used to introduce foreign genes into plant cells.
Correct Answer:
C
— Agrobacterium-mediated transformation
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Q. Which of the following techniques is used for the production of monoclonal antibodies? (2020)
A.
Hybridoma technology
B.
Gene editing
C.
CRISPR-Cas9
D.
Fermentation
Show solution
Solution
Hybridoma technology is used to produce monoclonal antibodies by fusing myeloma cells with specific B cells.
Correct Answer:
A
— Hybridoma technology
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Q. Which of the following techniques is used for the separation of DNA fragments? (2019)
A.
PCR
B.
Gel electrophoresis
C.
Cloning
D.
Transformation
Show solution
Solution
Gel electrophoresis is a technique used to separate DNA fragments based on their size, allowing for analysis and purification.
Correct Answer:
B
— Gel electrophoresis
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Q. Which of the following techniques is used to separate DNA fragments based on size? (2022)
A.
PCR
B.
Gel electrophoresis
C.
DNA sequencing
D.
Cloning
Show solution
Solution
Gel electrophoresis is a technique used to separate DNA fragments based on their size, allowing for analysis and purification of DNA.
Correct Answer:
B
— Gel electrophoresis
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Q. Which of the following terms describes the maximum population size that an environment can sustain? (2018)
A.
Carrying capacity
B.
Biotic potential
C.
Population density
D.
Ecological footprint
Show solution
Solution
Carrying capacity is the maximum number of individuals of a species that an environment can support sustainably.
Correct Answer:
A
— Carrying capacity
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Q. Which of the following terms describes the physical appearance of an organism? (2023)
A.
Genotype
B.
Phenotype
C.
Allele
D.
Locus
Show solution
Solution
The term 'phenotype' refers to the physical appearance of an organism.
Correct Answer:
B
— Phenotype
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Q. Which of the following tissues is responsible for the growth in length of a plant? (2022)
A.
Lateral meristem
B.
Apical meristem
C.
Parenchyma
D.
Sclerenchyma
Show solution
Solution
Apical meristem is responsible for the growth in length of a plant, found at the tips of roots and shoots.
Correct Answer:
B
— Apical meristem
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Q. Which of the following tissues is responsible for the transmission of electrical impulses? (2022)
A.
Epithelial tissue
B.
Connective tissue
C.
Muscle tissue
D.
Nervous tissue
Show solution
Solution
Nervous tissue is responsible for the transmission of electrical impulses throughout the body.
Correct Answer:
D
— Nervous tissue
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Q. Which of the following wavelengths of light is least effective for photosynthesis? (2020)
A.
Red light
B.
Blue light
C.
Green light
D.
Yellow light
Show solution
Solution
Green light is least effective for photosynthesis because it is mostly reflected by chlorophyll.
Correct Answer:
C
— Green light
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Q. Which organ is primarily responsible for filtering blood? (2021)
A.
Liver
B.
Heart
C.
Kidneys
D.
Lungs
Show solution
Solution
The kidneys filter blood to remove waste products and excess substances, maintaining homeostasis in the body.
Correct Answer:
C
— Kidneys
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Q. Which organ is primarily responsible for the excretion of urea? (2020)
A.
Liver
B.
Kidneys
C.
Lungs
D.
Skin
Show solution
Solution
The kidneys are primarily responsible for filtering blood and excreting urea in urine.
Correct Answer:
B
— Kidneys
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Q. Which organ is primarily responsible for the production of blood cells? (2021)
A.
Liver
B.
Spleen
C.
Bone marrow
D.
Kidneys
Show solution
Solution
Bone marrow is the primary site of blood cell production, including red blood cells, white blood cells, and platelets.
Correct Answer:
C
— Bone marrow
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Q. Which organelle contains digestive enzymes to break down waste materials? (2020)
A.
Peroxisome
B.
Lysosome
C.
Vesicle
D.
Ribosome
Show solution
Solution
Lysosomes contain digestive enzymes that break down waste materials and cellular debris.
Correct Answer:
B
— Lysosome
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Q. Which organelle is involved in the digestion of waste materials in the cell? (2023)
A.
Lysosome
B.
Peroxisome
C.
Ribosome
D.
Vesicle
Show solution
Solution
Lysosomes contain digestive enzymes that break down waste materials and cellular debris.
Correct Answer:
A
— Lysosome
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Q. Which organelle is involved in the modification and packaging of proteins? (2020)
A.
Lysosome
B.
Golgi Apparatus
C.
Endoplasmic Reticulum
D.
Nucleus
Show solution
Solution
The Golgi apparatus modifies, sorts, and packages proteins for secretion or delivery to other organelles.
Correct Answer:
B
— Golgi Apparatus
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Showing 1201 to 1230 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!