Q. What is the term for the extinction of a species in a specific habitat while it still exists in other areas? (2020)
A.
Global extinction
B.
Local extinction
C.
Mass extinction
D.
Endemic extinction
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Solution
Local extinction refers to the extinction of a species in a specific habitat while it still exists in other areas.
Correct Answer:
B
— Local extinction
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Q. What is the term for the female reproductive part of a flower? (2022)
A.
Stamen
B.
Pistil
C.
Petal
D.
Sepal
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Solution
The pistil is the female reproductive part of the flower, consisting of the ovary, style, and stigma.
Correct Answer:
B
— Pistil
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Q. What is the term for the female reproductive part of the flower? (2022)
A.
Stamen
B.
Pistil
C.
Anther
D.
Filament
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Solution
The pistil is the female reproductive part of the flower, consisting of the stigma, style, and ovary.
Correct Answer:
B
— Pistil
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Q. What is the term for the fertilized egg? (2022)
A.
Zygote
B.
Embryo
C.
Fetus
D.
Gamete
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Solution
The fertilized egg is called a zygote, which is the initial stage of development before it becomes an embryo.
Correct Answer:
A
— Zygote
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Q. What is the term for the formation of new species through evolution? (1942)
A.
Speciation
B.
Adaptation
C.
Extinction
D.
Migration
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Solution
Speciation is the process through which new species arise from existing species due to evolutionary changes.
Correct Answer:
A
— Speciation
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Q. What is the term for the formation of new species? (2005)
A.
Speciation
B.
Adaptation
C.
Extinction
D.
Migration
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Solution
Speciation is the evolutionary process by which new biological species arise.
Correct Answer:
A
— Speciation
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Q. What is the term for the fusion of male and female gametes in plants? (2021)
A.
Fertilization
B.
Pollination
C.
Germination
D.
Mitosis
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Solution
Fertilization is the process where the male gamete (sperm) fuses with the female gamete (egg) to form a zygote.
Correct Answer:
A
— Fertilization
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Q. What is the term for the fusion of male and female gametes? (2020)
A.
Pollination
B.
Fertilization
C.
Germination
D.
Mitosis
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Solution
Fertilization is the process where the male and female gametes fuse to form a zygote.
Correct Answer:
B
— Fertilization
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Q. What is the term for the fusion of sperm and egg? (2019)
A.
Fertilization
B.
Implantation
C.
Ovulation
D.
Gestation
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Solution
Fertilization is the term used for the fusion of sperm and egg, leading to the formation of a zygote.
Correct Answer:
A
— Fertilization
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Q. What is the term for the genetic makeup of an organism? (2023)
A.
Phenotype
B.
Genotype
C.
Allele
D.
Trait
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Solution
The genetic makeup of an organism is referred to as its genotype.
Correct Answer:
B
— Genotype
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Q. What is the term for the genetic variation that occurs due to random changes in DNA? (1953)
A.
Mutation
B.
Selection
C.
Migration
D.
Isolation
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Solution
Mutation refers to random changes in DNA that can lead to genetic variation within a population, which is a key factor in evolution.
Correct Answer:
A
— Mutation
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Q. What is the term for the gradual change in species composition in a given area over time? (2023)
A.
Succession
B.
Evolution
C.
Adaptation
D.
Migration
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Solution
Succession refers to the process of change in the species structure of an ecological community over time.
Correct Answer:
A
— Succession
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Q. What is the term for the gradual change in species over time?
A.
Speciation
B.
Evolution
C.
Adaptation
D.
Extinction
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Solution
Evolution refers to the gradual change in species over time, driven by mechanisms such as natural selection and genetic drift.
Correct Answer:
B
— Evolution
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Q. What is the term for the gradual increase in Earth's average temperature due to human activities? (2023)
A.
Climate change
B.
Global warming
C.
Greenhouse effect
D.
Ozone depletion
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Solution
Global warming refers specifically to the long-term rise in Earth's average surface temperature due to human activities.
Correct Answer:
B
— Global warming
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Q. What is the term for the gradual increase in Earth's average temperature? (2023)
A.
Climate change
B.
Global warming
C.
Greenhouse effect
D.
Ozone depletion
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Solution
Global warming refers specifically to the gradual increase in Earth's average temperature due to human activities.
Correct Answer:
B
— Global warming
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Q. What is the term for the gradual increase in the Earth's average temperature? (2023)
A.
Climate change
B.
Global warming
C.
Greenhouse effect
D.
Ozone depletion
Show solution
Solution
Global warming refers specifically to the long-term rise in the average temperature of the Earth's atmosphere due to human activities.
Correct Answer:
B
— Global warming
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Q. What is the term for the gradual process of change and replacement in the species composition of a given area? (2022)
A.
Succession
B.
Evolution
C.
Adaptation
D.
Migration
Show solution
Solution
Succession is the process of change in the species structure of an ecological community over time.
Correct Answer:
A
— Succession
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Q. What is the term for the gradual process of change in species composition in a given area over time? (2019)
A.
Succession
B.
Evolution
C.
Adaptation
D.
Migration
Show solution
Solution
Succession refers to the process of change in the species structure of an ecological community over time.
Correct Answer:
A
— Succession
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Q. What is the term for the loss of a species from a particular habitat? (2020)
A.
Extinction
B.
Endangerment
C.
Extirpation
D.
Depletion
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Solution
Extirpation refers to the loss of a species from a particular habitat, while extinction refers to the loss of a species globally.
Correct Answer:
C
— Extirpation
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Q. What is the term for the loss of biodiversity due to habitat destruction? (2023)
A.
Overexploitation
B.
Pollution
C.
Habitat fragmentation
D.
Extinction
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Solution
Habitat fragmentation leads to the loss of biodiversity as it divides ecosystems and isolates species.
Correct Answer:
C
— Habitat fragmentation
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Q. What is the term for the loss of genetic diversity within a species? (2023)
A.
Genetic erosion
B.
Genetic drift
C.
Genetic bottleneck
D.
Genetic variation
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Solution
Genetic erosion refers to the loss of genetic diversity within a species, which can threaten its survival.
Correct Answer:
A
— Genetic erosion
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Q. What is the term for the loss of water vapor from the aerial parts of plants? (2020)
A.
Transpiration
B.
Evaporation
C.
Condensation
D.
Respiration
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Solution
Transpiration is the process of water vapor loss from the aerial parts of plants, mainly through stomata.
Correct Answer:
A
— Transpiration
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Q. What is the term for the loss of water vapor from the aerial parts of the plant?
A.
Transpiration
B.
Evaporation
C.
Condensation
D.
Respiration
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Solution
Transpiration is the process of water vapor loss from the aerial parts of the plant, mainly through stomata.
Correct Answer:
A
— Transpiration
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Q. What is the term for the male gamete in flowering plants? (2023)
A.
Ovule
B.
Pollen grain
C.
Seed
D.
Ovary
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Solution
The male gamete in flowering plants is contained within the pollen grain.
Correct Answer:
B
— Pollen grain
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Q. What is the term for the male reproductive part of a flower? (2023)
A.
Pistil
B.
Stamen
C.
Ovary
D.
Style
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Solution
The stamen is the male reproductive part of the flower, consisting of the anther and filament.
Correct Answer:
B
— Stamen
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Q. What is the term for the maximum population size that an environment can sustain? (2020)
A.
Carrying capacity
B.
Population density
C.
Biotic potential
D.
Ecological footprint
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Solution
Carrying capacity is the maximum number of individuals of a particular species that an environment can support sustainably.
Correct Answer:
A
— Carrying capacity
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Q. What is the term for the movement of water across a semi-permeable membrane?
A.
Diffusion
B.
Osmosis
C.
Active transport
D.
Facilitated diffusion
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Solution
Osmosis is the movement of water across a semi-permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
Correct Answer:
B
— Osmosis
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Q. What is the term for the movement of water through a plant against gravity?
A.
Translocation
B.
Transpiration
C.
Capillarity
D.
Hydrolysis
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Solution
Transpiration refers to the process of water movement through a plant and its evaporation from aerial parts, which helps in moving water against gravity.
Correct Answer:
B
— Transpiration
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Q. What is the term for the movement of water through a plant from roots to leaves?
A.
Translocation
B.
Transpiration
C.
Absorption
D.
Evaporation
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Solution
Translocation refers to the movement of water and nutrients through the plant, specifically from roots to leaves.
Correct Answer:
B
— Transpiration
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Q. What is the term for the observable characteristics of an organism? (2022)
A.
Genotype
B.
Phenotype
C.
Allele
D.
Locus
Show solution
Solution
Phenotype refers to the observable characteristics of an organism, influenced by its genotype and environment.
Correct Answer:
B
— Phenotype
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Showing 541 to 570 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!