Major Competitive Exams
Q. What is the term for the average weather conditions in a particular area over a long period? (2019)
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A.
Weather
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B.
Climate
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C.
Atmosphere
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D.
Meteorology
Solution
Climate refers to the average weather conditions in a particular area over a long period, typically 30 years or more.
Correct Answer: B — Climate
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Q. What is the term for the boundary between two different air masses?
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A.
Front
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B.
Trough
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C.
Ridge
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D.
Wave
Solution
The boundary between two different air masses is called a front.
Correct Answer: A — Front
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Q. What is the term for the boundary between two tectonic plates?
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A.
Fault line
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B.
Plate boundary
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C.
Seismic zone
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D.
Epicenter
Solution
The term for the boundary between two tectonic plates is called a Plate boundary.
Correct Answer: B — Plate boundary
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Q. What is the term for the change in pressure with depth in a fluid?
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A.
Hydrostatic pressure
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B.
Dynamic pressure
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C.
Static pressure
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D.
Total pressure
Solution
Hydrostatic pressure refers to the pressure exerted by a fluid at rest due to the weight of the fluid above it.
Correct Answer: A — Hydrostatic pressure
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Q. What is the term for the change of state from gas to liquid?
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A.
Sublimation
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B.
Condensation
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C.
Evaporation
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D.
Freezing
Solution
Condensation is the process where gas turns into liquid as it loses energy.
Correct Answer: B — Condensation
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Q. What is the term for the change of state from liquid to gas?
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A.
Condensation
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B.
Evaporation
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C.
Sublimation
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D.
Freezing
Solution
Evaporation is the process of changing from liquid to gas.
Correct Answer: B — Evaporation
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Q. What is the term for the change of state from solid to gas?
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A.
Sublimation
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B.
Deposition
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C.
Evaporation
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D.
Condensation
Solution
Sublimation is the process where a solid changes directly into a gas.
Correct Answer: A — Sublimation
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Q. What is the term for the development of an organism from an egg? (2023)
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A.
Embryogenesis
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B.
Metamorphosis
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C.
Germination
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D.
Fertilization
Solution
Embryogenesis is the process of development of an organism from a fertilized egg.
Correct Answer: A — Embryogenesis
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Q. What is the term for the division of the cytoplasm during cell division? (2020)
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A.
Mitosis
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B.
Cytokinesis
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C.
Interphase
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D.
Telophase
Solution
Cytokinesis is the process that divides the cytoplasm of a parental cell into two daughter cells.
Correct Answer: B — Cytokinesis
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Q. What is the term for the energy required to change a substance from solid to liquid?
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A.
Heat of fusion
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B.
Heat of vaporization
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C.
Sublimation energy
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D.
Latent heat
Solution
The heat of fusion is the energy required to change a substance from solid to liquid.
Correct Answer: A — Heat of fusion
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Q. What is the term for the energy required to increase the surface area of a liquid?
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A.
Viscosity
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B.
Surface tension
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C.
Cohesion
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D.
Adhesion
Solution
Surface tension is the energy required to increase the surface area of a liquid.
Correct Answer: B — Surface tension
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Q. What is the term for the energy required to remove an electron from an atom in the gas phase?
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A.
Ionization energy
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B.
Electron affinity
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C.
Electronegativity
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D.
Electrostatic energy
Solution
Ionization energy is defined as the energy required to remove an electron from an atom in the gas phase.
Correct Answer: A — Ionization energy
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Q. What is the term for the energy required to separate an adsorbate from an adsorbent? (2023)
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A.
Adsorption energy
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B.
Desorption energy
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C.
Activation energy
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D.
Bond energy
Solution
Desorption energy is the energy required to separate an adsorbate from an adsorbent.
Correct Answer: B — Desorption energy
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Q. What is the term for the evolutionary process where one species evolves into multiple species to adapt to different environments?
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A.
Adaptive Radiation
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B.
Convergent Evolution
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C.
Divergent Evolution
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D.
Speciation
Solution
Adaptive radiation is the evolutionary process where one ancestral species diversifies into multiple species to adapt to various environments.
Correct Answer: A — Adaptive Radiation
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Q. What is the term for the exchange of gases between the blood and body cells? (2023)
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A.
External respiration
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B.
Internal respiration
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C.
Cellular respiration
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D.
Pulmonary ventilation
Solution
Internal respiration refers to the exchange of gases between the blood and body cells, where oxygen is delivered and carbon dioxide is removed.
Correct Answer: B — Internal respiration
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Q. What is the term for the extinction of a species in a specific habitat while it still exists in other areas? (2020)
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A.
Global extinction
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B.
Local extinction
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C.
Mass extinction
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D.
Endemic extinction
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)
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A.
Stamen
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B.
Pistil
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C.
Petal
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D.
Sepal
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)
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A.
Stamen
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B.
Pistil
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C.
Anther
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D.
Filament
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 flat, elevated landform that rises sharply above the surrounding area? (2019)
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A.
Hill
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B.
Plateau
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C.
Valley
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D.
Plain
Solution
A plateau is a flat, elevated landform that rises sharply above the surrounding area.
Correct Answer: B — Plateau
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Q. What is the term for the formation of new species through evolution? (1942)
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A.
Speciation
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B.
Adaptation
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C.
Extinction
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D.
Migration
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)
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A.
Speciation
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B.
Adaptation
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C.
Extinction
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D.
Migration
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? (2020)
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A.
Pollination
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B.
Fertilization
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C.
Germination
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D.
Mitosis
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)
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A.
Fertilization
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B.
Implantation
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C.
Ovulation
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D.
Gestation
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 variation that occurs due to random changes in DNA? (1953)
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A.
Mutation
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B.
Selection
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C.
Migration
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D.
Isolation
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 increase in Earth's average temperature due to human activities? (2023)
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A.
Climate change
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B.
Global warming
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C.
Greenhouse effect
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D.
Ozone depletion
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)
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A.
Climate change
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B.
Global warming
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C.
Greenhouse effect
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D.
Ozone depletion
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 due to human activities?
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A.
Global warming
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B.
Ozone depletion
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C.
Acidification
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D.
Eutrophication
Solution
Global warming refers to the gradual increase in the Earth's average temperature due to human activities, primarily the emission of greenhouse gases.
Correct Answer: A — Global warming
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Q. What is the term for the gradual increase in the Earth's average temperature? (2023)
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A.
Climate change
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B.
Global warming
-
C.
Greenhouse effect
-
D.
Ozone depletion
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)
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A.
Succession
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B.
Evolution
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C.
Adaptation
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D.
Migration
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)
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A.
Succession
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B.
Evolution
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C.
Adaptation
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D.
Migration
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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