Science — English

What is the primary function of the respiratory system in humans?
The primary function of the respiratory system in humans is to facilitate the exchange of oxygen and carbon dioxide between...
Added: 12 Feb 2000
Updated: 15 Nov 2025
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What is the main function of the transpiration process in plants?
The main function of the transpiration process in plants is to regulate water loss. It helps in nutrient uptake, cooling...
Added: 12 Feb 2000
Updated: 09 Nov 2025
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What is molecular cloning?
Molecular cloning is a technique used to create copies of specific DNA fragments. It involves the use of vectors to...
Added: 12 Feb 2000
Updated: 09 Nov 2025
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What is the study of the properties and behavior of matter called?
The study of the properties and behavior of matter is called chemistry. This discipline explores substances, their reactions, interactions, and...
Added: 12 Feb 2000
Updated: 17 Nov 2025
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What is the term for a feeding relationship in an ecosystem?
The term for a feeding relationship in an ecosystem is called a trophic interaction. These interactions outline how energy and...
Added: 12 Feb 2000
Updated: 10 Nov 2025
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What are the consequences of acid rain on the environment?
The consequences of acid rain on the environment include soil degradation, harm to aquatic ecosystems, and damage to vegetation. It...
Added: 12 Feb 2000
Updated: 07 Nov 2025
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Which scientist is known for proposing the theory of evolution by natural selection?
The scientist known for proposing the theory of evolution by natural selection is Charles Darwin. His groundbreaking work, particularly in...
Added: 12 Feb 2000
Updated: 08 Nov 2025
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What is the primary nutrient absorbed in the digestive process?
The primary nutrient absorbed in the digestive process is glucose, which is derived from the breakdown of carbohydrates. The body...
Added: 12 Feb 2000
Updated: 01 Nov 2025
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What is the structure and function of a ribosome?
The structure of a ribosome consists of ribosomal RNA and proteins, arranged into two subunits: a larger and a smaller...
Added: 12 Feb 2000
Updated: 20 Nov 2025
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What type of ecosystem is characterized by low rainfall and extreme temperatures?
The type of ecosystem characterized by low rainfall and extreme temperatures is called a desert ecosystem. Such environments often have...
Added: 12 Feb 2000
Updated: 05 Nov 2025
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What is the random change in allele frequencies in a population called?
The random change in allele frequencies in a population is called genetic drift. This process can lead to significant changes...
Added: 12 Feb 2000
Updated: 04 Nov 2025
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What causes genetic variation in populations?
Genetic variation in populations is primarily caused by mutations, gene flow, and sexual reproduction. These processes introduce new alleles into...
Added: 12 Feb 2000
Updated: 24 Nov 2025
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What phenomenon occurs when sound waves are reflected off a surface?
The phenomenon that occurs when sound waves are reflected off a surface is known as echo. This reflection can be...
Added: 12 Feb 2000
Updated: 11 Nov 2025
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What is the term for the stages in development from an embryo to an adult?
The term for the stages in development from an embryo to an adult is called ontogeny. This process encompasses various...
Added: 12 Feb 2000
Updated: 17 Nov 2025
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What ecological role does a detritivore play?
A detritivore plays an essential ecological role by breaking down dead organic matter, recycling nutrients back into the ecosystem. They...
Added: 12 Feb 2000
Updated: 04 Nov 2025
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What is the main difference between an element and a compound?
The main difference between an element and a compound lies in their composition. An element is a substance that cannot...
Added: 12 Feb 2000
Updated: 07 Nov 2025
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What is the primary function of enzymes?
The primary function of enzymes is to act as biological catalysts. They accelerate chemical reactions in living organisms by lowering...
Added: 12 Feb 2000
Updated: 25 Nov 2025
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What is the term for organisms that derive their energy from consuming other organisms?
Organisms that derive their energy from consuming other organisms are termed heterotrophs. These include animals, fungi, and many bacteria, which...
Added: 12 Feb 2000
Updated: 17 Nov 2025
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What type of particle has a positive charge in an atom?
The type of particle that has a positive charge in an atom is called a proton. Protons, along with neutrons...
Added: 12 Feb 2000
Updated: 09 Nov 2025
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What is the name of the scientist who developed the theory of general relativity?
The scientist who developed the theory of general relativity is Albert Einstein. This groundbreaking theory, published in 1915, revolutionized our...
Added: 12 Feb 2000
Updated: 20 Nov 2025
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