Q. Which structure in the neuron is responsible for transmitting impulses away from the cell body? (2019)
A.
Dendrite
B.
Axon
C.
Synapse
D.
Node of Ranvier
Show solution
Solution
The axon is the part of the neuron that transmits impulses away from the cell body.
Correct Answer:
B
— Axon
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Q. Which structure in the neuron is responsible for transmitting impulses to other neurons? (2019)
A.
Dendrites
B.
Cell body
C.
Axon
D.
Synapse
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Solution
The axon is responsible for transmitting impulses away from the cell body to other neurons.
Correct Answer:
C
— Axon
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Q. Which structure in the plant is primarily responsible for the uptake of water?
A.
Leaves
B.
Stems
C.
Roots
D.
Flowers
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Solution
Roots are primarily responsible for the uptake of water and minerals from the soil.
Correct Answer:
C
— Roots
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Q. Which structure in the plant regulates the opening and closing of stomata?
A.
Guard cells
B.
Xylem vessels
C.
Phloem fibers
D.
Mesophyll cells
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Solution
Guard cells surround the stomata and control their opening and closing, regulating gas exchange and transpiration.
Correct Answer:
A
— Guard cells
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Q. Which structure increases the surface area for absorption in the small intestine? (2022)
A.
Villi
B.
Microvilli
C.
Plicae circulares
D.
All of the above
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Solution
All of the above structures (villi, microvilli, and plicae circulares) increase the surface area for absorption in the small intestine.
Correct Answer:
D
— All of the above
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Q. Which structure is involved in the synthesis of lipids? (2022)
A.
Rough ER
B.
Smooth ER
C.
Golgi apparatus
D.
Lysosome
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Solution
The smooth endoplasmic reticulum (Smooth ER) is involved in the synthesis of lipids and detoxification processes.
Correct Answer:
B
— Smooth ER
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Q. Which structure is responsible for controlling the activities of the cell? (2019)
A.
Cell wall
B.
Nucleus
C.
Cytoplasm
D.
Ribosome
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Solution
The nucleus controls the activities of the cell by regulating gene expression.
Correct Answer:
B
— Nucleus
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Q. Which structure is responsible for controlling the entry and exit of substances in a cell? (2022)
A.
Cell wall
B.
Plasma membrane
C.
Cytoplasm
D.
Nucleus
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Solution
The plasma membrane regulates the movement of substances in and out of the cell, maintaining homeostasis.
Correct Answer:
B
— Plasma membrane
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Q. Which structure is responsible for maintaining the shape of plant cells? (2021)
A.
Cell membrane
B.
Cell wall
C.
Cytoplasm
D.
Chloroplast
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Solution
The cell wall provides structural support and maintains the shape of plant cells.
Correct Answer:
B
— Cell wall
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Q. Which structure is responsible for packaging and modifying proteins? (2020)
A.
Nucleus
B.
Golgi apparatus
C.
Lysosome
D.
Vesicle
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Solution
The Golgi apparatus is responsible for packaging and modifying proteins before they are sent to their destination.
Correct Answer:
B
— Golgi apparatus
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Q. Which structure is responsible for packaging and transporting proteins?
A.
Lysosome
B.
Golgi apparatus
C.
Rough endoplasmic reticulum
D.
Nucleus
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Solution
The Golgi apparatus is responsible for packaging and transporting proteins to their destinations.
Correct Answer:
B
— Golgi apparatus
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Q. Which structure is responsible for photosynthesis in plant cells? (2021)
A.
Mitochondria
B.
Chloroplast
C.
Ribosome
D.
Vacuole
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Solution
Chloroplasts are the organelles responsible for photosynthesis, converting light energy into chemical energy.
Correct Answer:
B
— Chloroplast
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Q. Which structure is responsible for pollen production? (2020)
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 structure is responsible for the synthesis of ATP? (2022)
A.
Chloroplast
B.
Mitochondria
C.
Nucleus
D.
Golgi apparatus
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Solution
Mitochondria are responsible for the synthesis of ATP through cellular respiration.
Correct Answer:
B
— Mitochondria
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Q. Which structure is responsible for the synthesis of lipids? (2021)
A.
Smooth endoplasmic reticulum
B.
Rough endoplasmic reticulum
C.
Golgi apparatus
D.
Mitochondria
Show solution
Solution
The smooth endoplasmic reticulum is involved in the synthesis of lipids and detoxification processes.
Correct Answer:
A
— Smooth endoplasmic reticulum
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Q. Which structure is responsible for the synthesis of ribosomal RNA? (2021)
A.
Nucleus
B.
Nucleolus
C.
Ribosome
D.
Endoplasmic reticulum
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Solution
The nucleolus is the site within the nucleus where ribosomal RNA (rRNA) is synthesized.
Correct Answer:
B
— Nucleolus
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Q. Which structure is responsible for the transport of sperm? (2020)
A.
Urethra
B.
Vas deferens
C.
Seminal vesicle
D.
Prostate gland
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Solution
The vas deferens is responsible for the transport of sperm from the epididymis to the ejaculatory duct.
Correct Answer:
B
— Vas deferens
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Q. Which structure is selectively permeable and regulates the entry and exit of substances in a cell?
A.
Cell wall
B.
Plasma membrane
C.
Nuclear membrane
D.
Cytoplasm
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Solution
The plasma membrane is selectively permeable, allowing certain substances to pass while blocking others.
Correct Answer:
B
— Plasma membrane
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Q. Which structure prevents the backflow of food from the stomach to the esophagus? (2020)
A.
Pyloric sphincter
B.
Cardiac sphincter
C.
Ileocecal valve
D.
Anal sphincter
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Solution
The cardiac sphincter, also known as the lower esophageal sphincter, prevents the backflow of food from the stomach to the esophagus.
Correct Answer:
B
— Cardiac sphincter
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Q. Which structure protects the developing seeds in a flowering plant? (2021)
A.
Ovary
B.
Anther
C.
Filament
D.
Pistil
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Solution
The ovary protects the developing seeds and will mature into the fruit after fertilization.
Correct Answer:
A
— Ovary
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Q. Which type of blood vessel carries oxygenated blood away from the heart? (2022)
A.
Veins
B.
Capillaries
C.
Arteries
D.
Venules
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Solution
Arteries are the blood vessels that carry oxygenated blood away from the heart to the tissues, except for the pulmonary arteries.
Correct Answer:
C
— Arteries
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Q. Which type of blood vessel is primarily responsible for nutrient and gas exchange? (2019)
A.
Arteries
B.
Veins
C.
Capillaries
D.
Arterioles
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Solution
Capillaries are the smallest blood vessels and are the sites of exchange of oxygen, carbon dioxide, nutrients, and waste products.
Correct Answer:
C
— Capillaries
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Q. Which type of cell division results in two identical daughter cells? (2020)
A.
Meiosis
B.
Mitosis
C.
Binary fission
D.
Budding
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Solution
Mitosis is the type of cell division that results in two identical daughter cells.
Correct Answer:
B
— Mitosis
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Q. Which type of connective tissue connects muscles to bones? (2023)
A.
Tendons
B.
Ligaments
C.
Cartilage
D.
Adipose tissue
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Solution
Tendons are connective tissues that connect muscles to bones, facilitating movement.
Correct Answer:
A
— Tendons
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Q. Which type of epithelial tissue is best suited for areas subject to abrasion? (2022)
A.
Simple cuboidal epithelium
B.
Simple columnar epithelium
C.
Stratified squamous epithelium
D.
Transitional epithelium
Show solution
Solution
Stratified squamous epithelium is designed to protect underlying tissues in areas subject to abrasion, such as the skin.
Correct Answer:
C
— Stratified squamous epithelium
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Q. Which type of epithelial tissue is specialized for absorption and secretion? (2020)
A.
Simple squamous epithelium
B.
Stratified squamous epithelium
C.
Cuboidal epithelium
D.
Columnar epithelium
Show solution
Solution
Columnar epithelium is specialized for absorption and secretion, often found in the digestive tract.
Correct Answer:
D
— Columnar epithelium
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Q. Which type of epithelial tissue is specialized for absorption? (2020)
A.
Simple squamous epithelium
B.
Stratified squamous epithelium
C.
Simple cuboidal epithelium
D.
Simple columnar epithelium
Show solution
Solution
Simple columnar epithelium is specialized for absorption and is commonly found in the intestines.
Correct Answer:
D
— Simple columnar epithelium
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Q. Which type of epithelial tissue provides protection against abrasion? (2023)
A.
Simple cuboidal epithelium
B.
Stratified squamous epithelium
C.
Simple columnar epithelium
D.
Transitional epithelium
Show solution
Solution
Stratified squamous epithelium provides protection against abrasion and is found in areas such as the skin and the lining of the mouth.
Correct Answer:
B
— Stratified squamous epithelium
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Q. Which type of flower has both male and female reproductive organs? (2020)
A.
Unisexual
B.
Bisexual
C.
Complete
D.
Incomplete
Show solution
Solution
Bisexual flowers contain both stamens and pistils, allowing for self-fertilization.
Correct Answer:
B
— Bisexual
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Q. Which type of flower has both male and female reproductive structures? (2023)
A.
Unisexual
B.
Bisexual
C.
Complete
D.
Incomplete
Show solution
Solution
A bisexual flower contains both stamens and carpels, making it capable of producing both pollen and ovules.
Correct Answer:
B
— Bisexual
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Showing 1321 to 1350 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!