Q. Which organelle is involved in the synthesis of lipids? (2020)
A.
Rough endoplasmic reticulum
B.
Smooth endoplasmic reticulum
C.
Lysosome
D.
Peroxisome
Show solution
Solution
The smooth endoplasmic reticulum is involved in the synthesis of lipids and detoxification processes.
Correct Answer:
B
— Smooth endoplasmic reticulum
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Q. Which organelle is known for detoxifying harmful substances in the cell? (2022)
A.
Lysosome
B.
Peroxisome
C.
Ribosome
D.
Nucleus
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Solution
Peroxisomes are organelles that detoxify harmful substances and break down fatty acids.
Correct Answer:
B
— Peroxisome
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Q. Which organelle is known for its role in digestion within the cell? (2019)
A.
Lysosome
B.
Peroxisome
C.
Mitochondria
D.
Ribosome
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Solution
Lysosomes are known for their role in digestion within the cell, containing enzymes that break down waste materials and cellular debris.
Correct Answer:
A
— Lysosome
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Q. Which organelle is responsible for packaging and modifying proteins? (2021)
A.
Lysosome
B.
Golgi apparatus
C.
Nucleus
D.
Chloroplast
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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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Q. Which organelle is responsible for photosynthesis in plant cells?
A.
Mitochondria
B.
Chloroplast
C.
Ribosome
D.
Endoplasmic reticulum
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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 organism is commonly used as a host for cloning human genes? (2022)
A.
E. coli
B.
Yeast
C.
Mice
D.
All of the above
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Solution
E. coli is the most commonly used host for cloning human genes due to its rapid growth and well-understood genetics, but yeast and mice are also used in specific contexts.
Correct Answer:
D
— All of the above
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Q. Which part of the brain is primarily responsible for controlling respiration? (2022)
A.
Cerebrum
B.
Cerebellum
C.
Medulla oblongata
D.
Pons
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Solution
The medulla oblongata is the part of the brain that controls the rhythm of breathing by sending signals to the respiratory muscles.
Correct Answer:
C
— Medulla oblongata
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Q. Which part of the brain is primarily responsible for coordinating voluntary movements? (2022)
A.
Cerebrum
B.
Cerebellum
C.
Brainstem
D.
Thalamus
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Solution
The cerebellum is primarily responsible for coordinating voluntary movements and maintaining balance.
Correct Answer:
B
— Cerebellum
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Q. Which part of the brain is responsible for regulating the rate of breathing? (2020)
A.
Cerebrum
B.
Cerebellum
C.
Medulla oblongata
D.
Pons
Show solution
Solution
The medulla oblongata is responsible for regulating the rate and depth of breathing by sending signals to the respiratory muscles.
Correct Answer:
C
— Medulla oblongata
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Q. Which part of the brain regulates the rhythm of breathing? (2022)
A.
Cerebrum
B.
Cerebellum
C.
Medulla oblongata
D.
Pons
Show solution
Solution
The medulla oblongata is the part of the brain that regulates the rhythm of breathing.
Correct Answer:
C
— Medulla oblongata
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Q. Which part of the cell contains the genetic material? (2020)
A.
Cytoplasm
B.
Cell membrane
C.
Nucleus
D.
Ribosome
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Solution
The nucleus contains the genetic material (DNA) of the cell.
Correct Answer:
C
— Nucleus
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Q. Which part of the cell is responsible for controlling cell activities? (2021)
A.
Cytoplasm
B.
Nucleus
C.
Mitochondria
D.
Golgi apparatus
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Solution
The nucleus contains the cell's genetic material and is responsible for controlling cell activities.
Correct Answer:
B
— Nucleus
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Q. Which part of the cell is responsible for controlling the cell's activities? (2018)
A.
Cytoplasm
B.
Nucleus
C.
Mitochondria
D.
Golgi apparatus
Show solution
Solution
The nucleus contains the cell's genetic material and controls its activities by regulating gene expression.
Correct Answer:
B
— Nucleus
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Q. Which part of the digestive system is primarily involved in the absorption of water? (2019)
A.
Stomach
B.
Small intestine
C.
Large intestine
D.
Esophagus
Show solution
Solution
The large intestine is primarily responsible for the absorption of water and electrolytes.
Correct Answer:
C
— Large intestine
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Q. Which part of the digestive system is primarily responsible for the absorption of nutrients? (2021)
A.
Mouth
B.
Stomach
C.
Small intestine
D.
Large intestine
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Solution
The small intestine is the primary site for the absorption of nutrients due to its large surface area and presence of villi.
Correct Answer:
C
— Small intestine
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Q. Which part of the digestive system is responsible for the absorption of water? (2019)
A.
Stomach
B.
Small intestine
C.
Large intestine
D.
Esophagus
Show solution
Solution
The large intestine is primarily responsible for the absorption of water and electrolytes.
Correct Answer:
C
— Large intestine
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Q. Which part of the female reproductive system is responsible for the production of eggs? (2022)
A.
Uterus
B.
Ovaries
C.
Fallopian tubes
D.
Vagina
Show solution
Solution
The ovaries are responsible for the production of eggs (ova) in the female reproductive system.
Correct Answer:
B
— Ovaries
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Q. Which part of the flower contains the pollen? (2020)
A.
Ovary
B.
Stigma
C.
Anther
D.
Style
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Solution
The anther is the part of the stamen that produces and contains pollen.
Correct Answer:
C
— Anther
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Q. Which part of the flower develops into fruit after fertilization? (2019)
A.
Stamen
B.
Carpel
C.
Petal
D.
Sepal
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Solution
The carpel, specifically the ovary part of the carpel, develops into fruit after fertilization.
Correct Answer:
B
— Carpel
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Q. Which part of the flower develops into fruit? (2023)
A.
Stamen
B.
Ovary
C.
Style
D.
Anther
Show solution
Solution
The ovary of the flower develops into the fruit after fertilization.
Correct Answer:
B
— Ovary
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Q. Which part of the flower is responsible for reproduction? (2021)
A.
Sepals
B.
Petals
C.
Stamens
D.
Ovaries
Show solution
Solution
The stamens are the male reproductive part of the flower, consisting of anthers and filaments.
Correct Answer:
C
— Stamens
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Q. Which part of the flower is typically colorful and attracts pollinators? (2019)
A.
Sepals
B.
Petals
C.
Stamens
D.
Carpels
Show solution
Solution
Petals are often brightly colored to attract pollinators to the flower.
Correct Answer:
B
— Petals
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Q. Which part of the flower is typically colorful and fragrant? (2022)
A.
Sepals
B.
Petals
C.
Stamens
D.
Ovary
Show solution
Solution
Petals are often colorful and fragrant to attract pollinators.
Correct Answer:
B
— Petals
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Q. Which part of the flower is typically sticky to catch pollen? (2022)
A.
Style
B.
Stigma
C.
Ovary
D.
Anther
Show solution
Solution
The stigma is the sticky part of the pistil that captures pollen.
Correct Answer:
B
— Stigma
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Q. Which part of the flower is typically the most colorful? (2020)
A.
Stamen
B.
Pistil
C.
Petals
D.
Sepals
Show solution
Solution
Petals are usually the most colorful part of the flower, aiding in attracting pollinators.
Correct Answer:
C
— Petals
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Q. Which part of the heart receives deoxygenated blood from the body? (2022)
A.
Left atrium
B.
Right atrium
C.
Left ventricle
D.
Right ventricle
Show solution
Solution
The right atrium receives deoxygenated blood from the body through the superior and inferior vena cavae.
Correct Answer:
B
— Right atrium
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Q. Which part of the human digestive system is primarily responsible for the absorption of nutrients? (2021)
A.
Stomach
B.
Small intestine
C.
Large intestine
D.
Esophagus
Show solution
Solution
The small intestine is the primary site for nutrient absorption due to its large surface area and presence of villi.
Correct Answer:
B
— Small intestine
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Q. Which part of the male reproductive system stores sperm? (2019)
A.
Epididymis
B.
Seminal vesicle
C.
Prostate gland
D.
Testis
Show solution
Solution
The epididymis is the part of the male reproductive system that stores and matures sperm.
Correct Answer:
A
— Epididymis
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Q. Which part of the nephron is primarily involved in the filtration of blood? (2023)
A.
Glomerulus
B.
Proximal tubule
C.
Distal tubule
D.
Collecting duct
Show solution
Solution
The glomerulus is the part of the nephron where blood filtration occurs, allowing water and small solutes to pass into the renal tubule.
Correct Answer:
A
— Glomerulus
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Q. Which part of the nephron is responsible for the filtration of blood? (2023)
A.
Glomerulus
B.
Proximal convoluted tubule
C.
Loop of Henle
D.
Distal convoluted tubule
Show solution
Solution
The glomerulus is the part of the nephron where blood filtration occurs, leading to the formation of filtrate.
Correct Answer:
A
— Glomerulus
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Showing 1231 to 1260 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!