Science — English

What is the main role of hemoglobin in the blood?
The main role of hemoglobin in the blood is to transport oxygen from the lungs to the tissues and carry...
Added: 11 Feb 2000
Updated: 23 Nov 2025
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What is the greatest threat to biodiversity?
The greatest threat to biodiversity is habitat loss due to human activities such as deforestation, urban development, and pollution. This...
Added: 11 Feb 2000
Updated: 05 Nov 2025
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How many chromosomes do humans typically have in each cell?
Humans typically have 46 chromosomes in each cell, organized into 23 pairs. Each parent contributes one chromosome to each pair,...
Added: 11 Feb 2000
Updated: 17 Nov 2025
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What is a photoreceptor?
A photoreceptor is a specialized cell in the retina of the eye that detects light and converts it into electrical...
Added: 11 Feb 2000
Updated: 26 Nov 2025
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What is the name of the phenomenon where light bends when passing through water?
The name of the phenomenon where light bends when passing through water is called refraction. This bending occurs due to...
Added: 11 Feb 2000
Updated: 28 Nov 2025
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What is the term for the study of ecosystems and the interactions within them?
The term for the study of ecosystems and the interactions within them is called ecology. Ecologists investigate relationships between organisms...
Added: 11 Feb 2000
Updated: 30 Nov 2025
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What type of materials are considered non-renewable resources?
Non-renewable resources are materials that cannot be replenished or take an extremely long time to form naturally, such as fossil...
Added: 11 Feb 2000
Updated: 03 Nov 2025
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What is the main function of mitochondria in a cell?
The main function of mitochondria in a cell is to produce adenosine triphosphate (ATP), the cell's energy currency, through cellular...
Added: 11 Feb 2000
Updated: 10 Nov 2025
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What is the term for the habitat that supports a high diversity of species?
The term for the habitat that supports a high diversity of species is a biodiversity hotspot. These areas are crucial...
Added: 11 Feb 2000
Updated: 03 Nov 2025
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What is the role of urinary system in homeostasis?
The role of the urinary system in homeostasis is to maintain the body's fluid balance, regulate electrolytes, and filter waste...
Added: 11 Feb 2000
Updated: 17 Nov 2025
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Which gas do living organisms primarily exhale during respiration?
The gas that living organisms primarily exhale during respiration is carbon dioxide (CO2). This occurs after cells convert oxygen into...
Added: 11 Feb 2000
Updated: 26 Nov 2025
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What is the process by which molds develop on food?
The process by which molds develop on food is called fungal decay or mold growth. This occurs when spores from...
Added: 11 Feb 2000
Updated: 08 Nov 2025
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What are the differences between a genotype and a phenotype?
The differences between a genotype and a phenotype lie in their definitions; genotype refers to the genetic constitution of an...
Added: 11 Feb 2000
Updated: 07 Nov 2025
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What is the chemical symbol for gold in the periodic table?
The chemical symbol for gold in the periodic table is Au, derived from the Latin word aurum. Gold is a...
Added: 11 Feb 2000
Updated: 07 Nov 2025
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What is the role of the mucous membrane in the respiratory system?
The role of the mucous membrane in the respiratory system is to trap and filter particles and pathogens, while also...
Added: 11 Feb 2000
Updated: 19 Nov 2025
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What is the effect of increasing temperature on the solubility of a gas?
Increasing temperature typically decreases the solubility of a gas in a liquid. As temperatures rise, gas molecules gain energy and...
Added: 11 Feb 2000
Updated: 15 Nov 2025
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What is the effect of temperature on chemical reaction rates?
The effect of temperature on chemical reaction rates is generally that as temperature increases, reaction rates also increase. Higher temperatures...
Added: 11 Feb 2000
Updated: 21 Nov 2025
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What is the major difference between qualitative and quantitative data in science?
The major difference between qualitative and quantitative data in science is that qualitative data is descriptive and involves attributes or...
Added: 11 Feb 2000
Updated: 10 Nov 2025
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What is the term for the process plants use to absorb sunlight?
The term for the process plants use to absorb sunlight is photosynthesis. During this process, plants convert sunlight into chemical...
Added: 11 Feb 2000
Updated: 16 Nov 2025
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What is the common name for the scientific study of insects?
The common name for the scientific study of insects is entomology. Entomologists study various aspects, including behavior, ecology, and physiology...
Added: 11 Feb 2000
Updated: 11 Nov 2025
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