MASTER VERY SHORT ANSWERS: TOP 40 IMPORTANT VERY SHORT ANSWERS FOR CLASS 10
Welcome to our comprehensive guide for Class 10 science students, featuring the Top 40 of the most important and frequently asked very short questions and answers. This guide is designed to help you excel in your science studies, whether you're preparing for an exam or simply looking to expand your knowledge. With a focus on key concepts in physics, chemistry, biology, and the universe, this guide covers a wide range of topics that are essential for any Class 10 science student. Our questions and answers are carefully crafted to be concise, clear, and informative, making them the perfect resource for busy students who want to learn efficiently. So, don't wait any longer, dive into this guide and take the first step towards mastering Class 10 science with our "Class 10 Science Very Short Answer" guide.
Here is the list of the Top 40 Important Very Short Questions and Answers for Class 10 Science:
1. What is the scientific method and states of matter?
The scientific method is a process used by scientists to conduct research and make discoveries. The three states of matter are solid, liquid, and gas.
2. What is the difference between a chemical and physical change?
A chemical change involves a change in the chemical composition of a substance, while a physical change does not.
3. What is the difference between a mixture and a solution?
A mixture is made up of two or more substances that are not chemically bonded, while a solution is a homogeneous mixture of two or more substances.
4. What is an element?
An element is a pure substance made up of only one type of atom.
5. What is an atom?
An atom is the basic unit of matter, made up of protons, neutrons, and electrons.
6. What is a compound?
A compound is a substance made up of two or more elements chemically bonded together.
7. What is the law of conservation of energy?
The law of conservation of energy states that energy cannot be created or destroyed, only transferred or converted from one form to another.
8. What is the difference between a chemical and physical property?
A chemical property describes a substance's ability to change into a new substance, while a physical property describes a substance's characteristics without reference to a change.
9. What is the difference between a chemical and physical reaction?
A chemical reaction involves a change in the chemical composition of a substance, while a physical reaction does not.
10. What is an acid?
An acid is a substance that donates protons (H+) in a chemical reaction.
11. What is a base?
A base is a substance that accepts protons in a chemical reaction.
12. What is a neutralization reaction?
A neutralization reaction is a chemical reaction in which an acid and a base react to form a neutral substance.
13. What is osmosis?
Osmosis is the diffusion of water molecules through a semi-permeable membrane.
14. What is photosynthesis?
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
15. What is respiration?
Respiration is the process by which living organisms convert food into energy.
16. What is an ecosystem?
An ecosystem is a community of living and non-living things interacting with each other in a specific environment.
17. What is adaptation?
Adaptation is the process by which living organisms change over time to better survive in their environment.
18. What is a gene?
A gene is a unit of heredity that carries information for the development of a characteristic.
19. What is a cell?
A cell is the basic unit of life that makes up all living organisms.
20. What is the difference between a heterotroph and an autotroph?
A heterotroph is an organism that obtains its energy and nutrients by consuming other organisms, while an autotroph is an organism that can produce its own food through processes such as photosynthesis or chemosynthesis.
21. What is the difference between a prokaryotic and eukaryotic cell?
Prokaryotic cells lack a nucleus and other membrane-bound organelles, while eukaryotic cells have a nucleus and other membrane-bound organelles.
22. What is the function of the cell membrane?
The cell membrane acts as a barrier that controls the flow of materials in and out of the cell and helps to maintain the cell's environment.
23. What is the function of the mitochondria?
The mitochondria are the powerhouses of the cell and are responsible for converting energy from food into a form that the cell can use.
24. What is the difference between mitosis and meiosis?
Mitosis is the process of cell division that results in two identical daughter cells, while meiosis is the process of cell division that results in four genetically diverse daughter cells.
25. What is the function of enzymes?
Enzymes are proteins that catalyze chemical reactions in the cell, increasing the rate of these reactions.
26. What is the difference between a hormone and a neurotransmitter?
Hormones are chemical messengers produced by the endocrine system that travel through the bloodstream to target cells, while neurotransmitters are chemical messengers produced by the nervous system that travel across synapses to target neurons.
27. What is the difference between active and passive transport?
Active transport requires energy to move molecules across the cell membrane, while passive transport does not.
28. What is the difference between an isotonic and a hypertonic solution?
An isotonic solution has the same concentration of solutes as the cell, while a hypertonic solution has a higher concentration of solutes.
29. What is the difference between asexual and sexual reproduction?
Asexual reproduction results in offspring that are genetically identical to the parent, while sexual reproduction results in offspring that have a combination of genetic traits from the parents.
30. What is the difference between a planet and a star?
A planet is a celestial body that orbits a star and does not have the ability to produce light, while a star is a luminous celestial body that generates heat and light through nuclear fusion.
31. What is the difference between a galaxy and a solar system?
A galaxy is a collection of stars, planets, and other celestial bodies that are held together by gravity, while a solar system is a small group of planets and other celestial bodies that orbit a single star.
32. What is the difference between a comet and an asteroid?
A comet is a celestial body made up of ice and dust that has a visible coma (fuzzy outline) and a tail, while an asteroid is a small rocky body that orbits the sun.
33. What is the difference between a black hole and a neutron star?
A black hole is a region in space with a gravitational pull so strong that nothing, not even light, can escape it, while a neutron star is the collapsed core of a massive star that has a very strong gravity and a very small radius.
34. What is the Big Bang Theory?
The Big Bang Theory is a scientific theory that explains the origin of the universe, suggesting that the universe began as a singularity and has been expanding ever since.
35. What is the difference between a red giant and a white dwarf?
A red giant is a large, cool star that is in the last stages of its life, while a white dwarf is the small, hot remnant of a star that has exhausted its nuclear fuel.
36. What is the difference between a supernova and a nova?
A supernova is a powerful explosion that occurs at the end of a star's life, releasing a tremendous amount of energy, while a nova is a less powerful explosion that occurs on the surface of a white dwarf.
37. What is dark matter and dark energy?
Dark matter is a hypothetical form of matter that is thought to make up most of the universe's mass and is not visible to telescopes, while dark energy is a hypothetical form of energy that is thought to be responsible for the accelerating expansion of the universe.
38. What is a constellation?
A constellation is a group of stars that form a recognizable pattern or shape in the night sky.
39. What is the difference between a meteor and a meteorite?
A meteor is a streak of light that appears in the night sky when a meteoroid enters the Earth's atmosphere and burns up, while a meteorite is a piece of a meteoroid that survives the trip through the Earth's atmosphere and lands on the surface of the Earth.
40. What is the difference between a lunar eclipse and a solar eclipse?
A lunar eclipse occurs when the Earth passes between the sun and the moon, blocking the sun's light from reaching the moon, while a solar eclipse occurs when the moon passes between the sun and the Earth, blocking the sun's light from reaching the Earth.
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