Q. Which of the following cycles is essential for the growth of plants? (2021)
A.
Water cycle
B.
Carbon cycle
C.
Nitrogen cycle
D.
All of the above
Show solution
Solution
All of the above cycles (water, carbon, and nitrogen) are essential for the growth of plants.
Correct Answer:
D
— All of the above
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Q. Which of the following cycles is involved in the process of photosynthesis? (2022)
A.
Nitrogen cycle
B.
Carbon cycle
C.
Phosphorus cycle
D.
Water cycle
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Solution
The carbon cycle is involved in photosynthesis, as plants absorb carbon dioxide from the atmosphere.
Correct Answer:
B
— Carbon cycle
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Q. Which of the following describes codominance? (2019)
A.
One allele is dominant over another
B.
Both alleles are expressed equally
C.
Neither allele is expressed
D.
One allele is partially dominant
Show solution
Solution
Codominance occurs when both alleles in a heterozygote are fully expressed, resulting in a phenotype that shows both traits.
Correct Answer:
B
— Both alleles are expressed equally
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Q. Which of the following diseases is caused by a protozoan? (2023)
A.
Malaria
B.
Tuberculosis
C.
HIV/AIDS
D.
Hepatitis
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Solution
Malaria is caused by protozoan parasites of the genus Plasmodium.
Correct Answer:
A
— Malaria
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Q. Which of the following diseases is characterized by the destruction of insulin-producing cells? (2022)
A.
Type 1 Diabetes
B.
Type 2 Diabetes
C.
Hypertension
D.
Obesity
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Solution
Type 1 Diabetes is characterized by the autoimmune destruction of insulin-producing beta cells in the pancreas.
Correct Answer:
A
— Type 1 Diabetes
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Q. Which of the following diseases is characterized by the presence of a rash? (2019)
A.
Diabetes
B.
Measles
C.
Hypertension
D.
Asthma
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Solution
Measles is characterized by a distinctive rash along with other symptoms.
Correct Answer:
B
— Measles
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Q. Which of the following domains includes organisms that are primarily unicellular and prokaryotic? (2023)
A.
Eukarya
B.
Archaea
C.
Bacteria
D.
Both Bacteria and Archaea
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Solution
Both Bacteria and Archaea are domains that include primarily unicellular and prokaryotic organisms.
Correct Answer:
D
— Both Bacteria and Archaea
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Q. Which of the following domains includes prokaryotic organisms? (2022)
A.
Eukarya
B.
Bacteria
C.
Archaea
D.
Both Bacteria and Archaea
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Solution
Both Bacteria and Archaea are domains that include prokaryotic organisms, which lack a nucleus.
Correct Answer:
D
— Both Bacteria and Archaea
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Q. Which of the following ecosystems has the highest biodiversity? (2020)
A.
Desert
B.
Tundra
C.
Tropical rainforest
D.
Grassland
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Solution
Tropical rainforests have the highest biodiversity among ecosystems due to their warm climate and abundant rainfall.
Correct Answer:
C
— Tropical rainforest
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Q. Which of the following ecosystems is characterized by high biodiversity? (2021)
A.
Desert
B.
Tundra
C.
Tropical rainforest
D.
Grassland
Show solution
Solution
Tropical rainforests are known for their high biodiversity due to favorable climatic conditions.
Correct Answer:
C
— Tropical rainforest
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Q. Which of the following ecosystems is known for the highest biodiversity? (2020)
A.
Desert
B.
Tundra
C.
Tropical rainforest
D.
Grassland
Show solution
Solution
Tropical rainforests are known for having the highest biodiversity among ecosystems.
Correct Answer:
C
— Tropical rainforest
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Q. Which of the following elements is considered a micronutrient? (2023)
A.
Calcium
B.
Magnesium
C.
Iron
D.
Nitrogen
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Solution
Iron is classified as a micronutrient, required in smaller amounts compared to macronutrients.
Correct Answer:
C
— Iron
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Q. Which of the following elements is considered a secondary macronutrient? (2023)
A.
Iron
B.
Calcium
C.
Zinc
D.
Manganese
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Solution
Calcium is classified as a secondary macronutrient, important for cell wall structure and stability.
Correct Answer:
B
— Calcium
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Q. Which of the following enzymes is secreted by the pancreas? (2020)
A.
Pepsin
B.
Amylase
C.
Trypsin
D.
Both Amylase and Trypsin
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Solution
Both amylase and trypsin are enzymes secreted by the pancreas to aid in digestion.
Correct Answer:
D
— Both Amylase and Trypsin
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Q. Which of the following factors does NOT affect the rate of transpiration? (2022)
A.
Humidity
B.
Temperature
C.
Wind speed
D.
Soil type
Show solution
Solution
Soil type does not directly affect the rate of transpiration; however, it can influence water availability.
Correct Answer:
D
— Soil type
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Q. Which of the following factors is considered an abiotic factor? (2019)
A.
Fungi
B.
Bacteria
C.
Sunlight
D.
Plants
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Solution
Abiotic factors are non-living chemical and physical components of the environment, such as sunlight, temperature, and water.
Correct Answer:
C
— Sunlight
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Q. Which of the following groups includes only multicellular organisms? (2018)
A.
Monera
B.
Protista
C.
Fungi
D.
Animalia
Show solution
Solution
The kingdom Animalia includes only multicellular organisms.
Correct Answer:
D
— Animalia
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Q. Which of the following groups is characterized by the presence of a nucleus? (2023)
A.
Bacteria
B.
Archaea
C.
Eukarya
D.
Monera
Show solution
Solution
Eukarya is characterized by the presence of a true nucleus in its cells.
Correct Answer:
C
— Eukarya
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Q. Which of the following groups is known for being prokaryotic? (2018)
A.
Protozoa
B.
Fungi
C.
Bacteria
D.
Algae
Show solution
Solution
Bacteria are known for being prokaryotic organisms.
Correct Answer:
C
— Bacteria
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Q. Which of the following groups of animals is characterized by having feathers? (2021)
A.
Mammals
B.
Reptiles
C.
Birds
D.
Amphibians
Show solution
Solution
Birds are the only group of animals that possess feathers, which are essential for flight and insulation.
Correct Answer:
C
— Birds
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Q. Which of the following groups of animals is characterized by the presence of feathers? (2021)
A.
Mammals
B.
Reptiles
C.
Birds
D.
Amphibians
Show solution
Solution
Birds are the only group of animals characterized by the presence of feathers.
Correct Answer:
C
— Birds
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Q. Which of the following groups of animals is known for having a three-chambered heart? (2020)
A.
Fish
B.
Amphibians
C.
Reptiles
D.
Birds
Show solution
Solution
Amphibians typically have a three-chambered heart, consisting of two atria and one ventricle.
Correct Answer:
B
— Amphibians
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Q. Which of the following groups of animals is known for having a water vascular system? (2020)
A.
Mollusca
B.
Echinodermata
C.
Annelida
D.
Arthropoda
Show solution
Solution
Echinodermata, such as starfish and sea urchins, possess a unique water vascular system used for locomotion and feeding.
Correct Answer:
B
— Echinodermata
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Q. Which of the following groups of organisms is classified under the kingdom Animalia? (2023)
A.
Mushrooms
B.
Bacteria
C.
Insects
D.
Algae
Show solution
Solution
Insects are classified under the kingdom Animalia.
Correct Answer:
C
— Insects
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Q. Which of the following groups of organisms is classified under the kingdom Protista? (2018)
A.
Mushrooms
B.
Algae
C.
Worms
D.
Insects
Show solution
Solution
Algae are classified under the kingdom Protista.
Correct Answer:
B
— Algae
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Q. Which of the following groups of organisms is known for having a cell wall made of cellulose? (2023)
A.
Fungi
B.
Bacteria
C.
Plants
D.
Protozoa
Show solution
Solution
Plants have a cell wall made of cellulose, which is a defining characteristic.
Correct Answer:
C
— Plants
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Q. Which of the following groups of organisms is known for having a true nucleus? (2023)
A.
Bacteria
B.
Viruses
C.
Archaea
D.
Eukarya
Show solution
Solution
Eukarya is the group of organisms that have a true nucleus.
Correct Answer:
D
— Eukarya
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Q. Which of the following groups of plants is known for having seeds? (2022)
A.
Mosses
B.
Ferns
C.
Gymnosperms
D.
Algae
Show solution
Solution
Gymnosperms are known for having seeds, which are not enclosed in fruits.
Correct Answer:
C
— Gymnosperms
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Q. Which of the following groups of plants is known for having true roots, stems, and leaves? (2018)
A.
Bryophytes
B.
Pteridophytes
C.
Algae
D.
Fungi
Show solution
Solution
Pteridophytes are known for having true roots, stems, and leaves.
Correct Answer:
B
— Pteridophytes
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Q. Which of the following groups of plants is known for producing seeds? (2023)
A.
Mosses
B.
Ferns
C.
Gymnosperms
D.
Liverworts
Show solution
Solution
Gymnosperms are known for producing seeds, which are not enclosed in an ovary.
Correct Answer:
C
— Gymnosperms
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Showing 781 to 810 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!