Q. Which of the following is a type of non-vascular plant? (2020)
A.
Fern
B.
Moss
C.
Pine
D.
Oak
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Solution
Moss is a type of non-vascular plant, classified under bryophytes.
Correct Answer:
B
— Moss
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Q. Which of the following is a type of RNA that helps in the formation of ribosomes? (2018)
A.
mRNA
B.
tRNA
C.
rRNA
D.
snRNA
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Solution
rRNA (ribosomal RNA) is a type of RNA that is a key component of ribosomes, facilitating protein synthesis.
Correct Answer:
C
— rRNA
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Q. Which of the following is a type of RNA that helps in the regulation of gene expression? (2020)
A.
mRNA
B.
tRNA
C.
rRNA
D.
miRNA
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Solution
miRNA (microRNA) is a type of RNA that plays a role in regulating gene expression by binding to mRNA.
Correct Answer:
D
— miRNA
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Q. Which of the following is a unicellular eukaryote? (2023)
A.
Bacteria
B.
Yeast
C.
Amoeba
D.
Paramecium
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Solution
Paramecium is a unicellular eukaryote.
Correct Answer:
D
— Paramecium
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Q. Which of the following is a unicellular eukaryotic organism? (2020)
A.
Bacteria
B.
Yeast
C.
Amoeba
D.
Paramecium
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Solution
Paramecium is a unicellular eukaryotic organism.
Correct Answer:
D
— Paramecium
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Q. Which of the following is a unicellular organism? (2019)
A.
Euglena
B.
Mango tree
C.
Human
D.
Frog
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Solution
Euglena is a unicellular organism.
Correct Answer:
A
— Euglena
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Q. Which of the following is a vector for malaria? (2019)
A.
Housefly
B.
Mosquito
C.
Tick
D.
Louse
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Solution
Malaria is transmitted by the female Anopheles mosquito, which acts as a vector.
Correct Answer:
B
— Mosquito
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Q. Which of the following is a vector for the transmission of dengue fever? (2021)
A.
Housefly
B.
Mosquito
C.
Tick
D.
Louse
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Solution
Dengue fever is transmitted by Aedes mosquitoes.
Correct Answer:
B
— Mosquito
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Q. Which of the following is a waste product of protein metabolism? (2019)
A.
Glucose
B.
Urea
C.
Lactate
D.
Glycogen
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Solution
Urea is a waste product formed from the breakdown of proteins and is excreted in urine.
Correct Answer:
B
— Urea
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Q. Which of the following is an abiotic factor in an ecosystem? (2019)
A.
Fungi
B.
Bacteria
C.
Temperature
D.
Plants
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Solution
Abiotic factors are the non-living physical and chemical components of an ecosystem, such as temperature.
Correct Answer:
C
— Temperature
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Q. Which of the following is an example of a biotic factor in an ecosystem? (2022)
A.
Soil pH
B.
Temperature
C.
Plants
D.
Water availability
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Solution
Plants are a biotic factor as they are living organisms that interact with other organisms in the ecosystem.
Correct Answer:
C
— Plants
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Q. Which of the following is an example of a decomposer? (2023)
A.
Fungi
B.
Grass
C.
Lion
D.
Insect
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Solution
Fungi are decomposers that break down dead organic matter, returning nutrients to the soil.
Correct Answer:
A
— Fungi
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Q. Which of the following is an example of a density-dependent factor affecting population growth? (2021)
A.
Natural disasters
B.
Disease
C.
Climate change
D.
Habitat destruction
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Solution
Density-dependent factors, such as disease, have a greater effect as the population density increases.
Correct Answer:
B
— Disease
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Q. Which of the following is an example of a dihybrid cross? (2019)
A.
Aa x Aa
B.
AaBb x AaBb
C.
AA x aa
D.
Aa x aa
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Solution
A dihybrid cross involves two traits, and AaBb x AaBb is an example of such a cross.
Correct Answer:
B
— AaBb x AaBb
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Q. Which of the following is an example of a genetically modified organism used in agriculture? (2023)
A.
Golden rice
B.
Organic wheat
C.
Traditional maize
D.
Heritage tomatoes
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Solution
Golden rice is a genetically modified organism enriched with vitamin A to combat malnutrition.
Correct Answer:
A
— Golden rice
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Q. Which of the following is an example of a genetically modified organism? (2021)
A.
Organic tomatoes
B.
Bt corn
C.
Heritage wheat
D.
Wild strawberries
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Solution
Bt corn is genetically modified to express a bacterial protein that provides resistance to certain pests.
Correct Answer:
B
— Bt corn
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Q. Which of the following is an example of a keystone species? (2018)
A.
Elephants
B.
Rabbits
C.
Deer
D.
Sparrows
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Solution
Elephants are considered a keystone species because they play a critical role in maintaining the structure of their ecosystem.
Correct Answer:
A
— Elephants
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Q. Which of the following is an example of a mutualistic relationship? (2023)
A.
Bees pollinating flowers
B.
Lions hunting zebras
C.
Moss growing on a tree
D.
Birds nesting in trees
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Solution
Bees pollinating flowers is a mutualistic relationship where both species benefit from the interaction.
Correct Answer:
A
— Bees pollinating flowers
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Q. Which of the following is an example of a primary consumer? (2021)
A.
Grass
B.
Rabbit
C.
Fox
D.
Mushroom
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Solution
A rabbit is an example of a primary consumer as it feeds on plants (producers).
Correct Answer:
B
— Rabbit
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Q. Which of the following is an example of a sex-linked trait? (2019)
A.
Color blindness
B.
Height
C.
Seed shape
D.
Flower color
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Solution
Color blindness is a sex-linked trait, primarily located on the X chromosome, affecting males more frequently than females.
Correct Answer:
A
— Color blindness
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Q. Which of the following is an example of a tertiary consumer? (2023)
A.
Grass
B.
Rabbit
C.
Fox
D.
Eagle
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Solution
An eagle is an example of a tertiary consumer as it feeds on secondary consumers like foxes.
Correct Answer:
D
— Eagle
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Q. Which of the following is an example of a vestigial structure? (2021)
A.
Human appendix
B.
Whale flippers
C.
Bird wings
D.
Insect wings
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Solution
The human appendix is considered a vestigial structure, as it has lost its original function over the course of evolution.
Correct Answer:
A
— Human appendix
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Q. Which of the following is an example of adaptive radiation? (1970)
A.
The evolution of different species of finches in the Galapagos Islands
B.
The development of antibiotic resistance in bacteria
C.
The color variations in peppered moths
D.
The fossil record of horses
Show solution
Solution
Adaptive radiation refers to the rapid evolution of diversely adapted species from a common ancestor, exemplified by the finches in the Galapagos Islands.
Correct Answer:
A
— The evolution of different species of finches in the Galapagos Islands
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Q. Which of the following is an example of an invasive species? (2023)
A.
Bamboo
B.
Bison
C.
Cane toad
D.
Red fox
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Solution
The cane toad is an example of an invasive species that disrupts local ecosystems.
Correct Answer:
C
— Cane toad
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Q. Which of the following is an example of artificial selection? (1995)
A.
Pesticide resistance in insects
B.
Dog breeding
C.
Peppered moth color variation
D.
Antibiotic resistance in bacteria
Show solution
Solution
Dog breeding is an example of artificial selection, where humans selectively breed animals for desired traits.
Correct Answer:
B
— Dog breeding
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Q. Which of the following is an example of budding? (2023)
A.
Starfish regeneration
B.
Hydra
C.
Bacteria
D.
Moss
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Solution
Budding is exemplified by Hydra, where a new individual develops from an outgrowth of the parent.
Correct Answer:
B
— Hydra
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Q. Which of the following is an example of convergent evolution? (1980)
A.
Darwin's finches
B.
Whales and fish
C.
Horses and zebras
D.
Dogs and wolves
Show solution
Solution
Convergent evolution occurs when unrelated species evolve similar traits, as seen in whales and fish, which both have streamlined bodies for swimming.
Correct Answer:
B
— Whales and fish
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Q. Which of the following is an example of divergent evolution?
A.
Wings of bats and birds
B.
Body shape of dolphins and sharks
C.
Darwin's finches
D.
Cacti and succulents
Show solution
Solution
Darwin's finches are an example of divergent evolution, where different species evolved from a common ancestor and adapted to different environments.
Correct Answer:
C
— Darwin's finches
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Q. Which of the following is an example of ex-situ conservation? (2023)
A.
National parks
B.
Wildlife reserves
C.
Aquariums
D.
Biosphere reserves
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Solution
Aquariums are an example of ex-situ conservation as they involve the conservation of species outside their natural habitats.
Correct Answer:
C
— Aquariums
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Q. Which of the following is an example of fragmentation? (2023)
A.
Starfish
B.
Bacteria
C.
Fungi
D.
All of the above
Show solution
Solution
Starfish can reproduce through fragmentation, where a part of the organism breaks off and develops into a new individual.
Correct Answer:
A
— Starfish
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Showing 1021 to 1050 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!