- Q) Who is known as the Father of Scientific Method?
Ans: फ्रांसिस बेकन (Francis Bacon) - Q) What is the primary purpose of scientific research?
Ans: ज्ञान प्राप्त करना (To gain knowledge) - Q) Which device is used to observe microscopic objects?
Ans: माइक्रोस्कोप (Microscope) - Q) Who discovered the theory of relativity?
Ans: अल्बर्ट आइंस्टीन (Albert Einstein) - Q) What is the full form of DNA?
Ans: डिऑक्सीराइबोन्यूक्लिक एसिड (Deoxyribonucleic Acid) - Q) What type of research is based on experiments?
Ans: प्रयोगात्मक अनुसंधान (Experimental Research) - Q) Which scientist discovered the law of gravity?
Ans: आइजैक न्यूटन (Isaac Newton) - Q) What is the SI unit of force?
Ans: न्यूटन (Newton) - Q) Who invented the telephone?
Ans: अलेक्जेंडर ग्राहम बेल (Alexander Graham Bell) - Q) What does a hypothesis mean?
Ans: एक संभावित समाधान (A possible explanation) - Q) Which is the smallest unit of life?
Ans: कोशिका (Cell) - Q) What is peer review in scientific research?
Ans: शोध की गुणवत्ता जांचना (Quality checking of research) - Q) Who discovered penicillin?
Ans: एलन फ्लेमिंग (Alexander Fleming) - Q) What is the boiling point of water?
Ans: 100°C (100 डिग्री सेल्सियस) - Q) What is the purpose of a control group in an experiment?
Ans: तुलना के लिए मानक (Standard for comparison) - Q) Which gas is essential for human respiration?
Ans: ऑक्सीजन (Oxygen) - Q) Who invented the light bulb?
Ans: थॉमस एडिसन (Thomas Edison) - Q) What is the main element in the sun?
Ans: हाइड्रोजन (Hydrogen) - Q) What is data analysis?
Ans: आंकड़ों की व्याख्या (Interpretation of data) - Q) Which organelle is called the powerhouse of the cell?
Ans: माइटोकॉन्ड्रिया (Mitochondria) - Q) What is the formula for water?
Ans: H₂O - Q) What is the basic step before starting an experiment?
Ans: समस्या की पहचान (Problem identification) - Q) Who proposed the law of conservation of mass?
Ans: एंटोनी लावуазिएयर (Antoine Lavoisier) - Q) What is the main tool used in astronomy?
Ans: दूरबीन (Telescope) - Q) What type of research studies existing data?
Ans: अनुशंधान समीक्षा (Review research) - Q) Who discovered the electron?
Ans: जे. जे. थॉमसन (J.J. Thomson) - Q) What is the pH value of pure water?
Ans: 7 (तटस्थ) - Q) What is the role of a variable in an experiment?
Ans: प्रभाव को मापना (To measure the effect) - Q) Who invented the airplane?
Ans: राइट ब्रदर्स (Wright Brothers) - Q) What is the chemical symbol of gold?
Ans: Au - Q) What is the scientific name of humans?
Ans: Homo sapiens - Q) What is the main source of energy for Earth?
Ans: सूर्य (Sun) - Q) What is the first step in the scientific method?
Ans: समस्या या प्रश्न का निर्धारण (Identifying the problem or question) - Q) What is an observation in scientific research?
Ans: जानकारी इकठ्ठा करना (Collecting information) - Q) Who is known as the father of genetics?
Ans: ग्रेगर मेंडल (Gregor Mendel) - Q) What is qualitative research?
Ans: गुणात्मक अध्ययन (Study of qualities) - Q) What is quantitative research?
Ans: मात्रात्मक अध्ययन (Study of quantities) - Q) Which vitamin is produced in the human body when exposed to sunlight?
Ans: विटामिन D (Vitamin D) - Q) What is the main gas responsible for global warming?
Ans: कार्बन डाइऑक्साइड (Carbon Dioxide) - Q) What is the name of the first Indian satellite?
Ans: आर्यभट्ट (Aryabhata) - Q) What is the purpose of a research paper?
Ans: शोध परिणामों को साझा करना (To share research findings) - Q) What is a scientific theory?
Ans: सिद्धांत जो प्रयोगों से समर्थित हो (A theory supported by experiments) - Q) Who discovered radioactivity?
Ans: हेनरी बेकेरेल (Henri Becquerel) - Q) What is the main component of natural gas?
Ans: मीथेन (Methane) - Q) Which is the hardest natural substance?
Ans: हीरा (Diamond) - Q) What is a microscope used for?
Ans: सूक्ष्म वस्तुओं को देखने के लिए (To see tiny objects) - Q) What is the role of a conclusion in research?
Ans: परिणामों का सारांश (Summary of findings) - Q) What is the name of the process by which plants make food?
Ans: प्रकाश संश्लेषण (Photosynthesis) - Q) Who is known as the father of modern chemistry?
Ans: एंटोनी लावाजिएर (Antoine Lavoisier) - Q) What is a laboratory?
Ans: प्रयोग करने की जगह (Place for experiments) - Q) What is empirical research?
Ans: अनुभव और प्रयोग पर आधारित अनुसंधान (Research based on experience and experiments) - Q) What is the role of a variable in scientific experiments?
Ans: परीक्षण में बदलाव लाने वाला तत्व (Element that changes in an experiment) - Q) Who is known as the father of Indian space research?
Ans: डॉ. विक्रम साराभाई (Dr. Vikram Sarabhai) - Q) What does a research methodology explain?
Ans: अनुसंधान करने के तरीके (The way to conduct research) - Q) What is a null hypothesis?
Ans: कोई प्रभाव या संबंध नहीं होने का अनुमान (Assumption of no effect or relationship) - Q) What is biotechnology?
Ans: जीव विज्ञान और तकनीक का संयोजन (Combination of biology and technology) - Q) What does the term ‘data’ mean in research?
Ans: तथ्य और आंकड़े (Facts and figures) - Q) What is the importance of sample size in research?
Ans: परिणामों की विश्वसनीयता बढ़ाना (Increase reliability of results) - Q) What is qualitative data?
Ans: वर्णनात्मक और गैर-संख्यात्मक जानकारी (Descriptive, non-numerical information) - Q) Who discovered the structure of DNA?
Ans: जेम्स वॉटसन और फ्रांसिस क्रिक (James Watson and Francis Crick) - Q) What is the main function of a research proposal?
Ans: अनुसंधान की योजना प्रस्तुत करना (Presenting the research plan) - Q) What is a scientific journal?
Ans: वैज्ञानिक शोध प्रकाशित करने वाली पत्रिका (Magazine publishing scientific research) - Q) What is peer review?
Ans: विशेषज्ञों द्वारा शोध की समीक्षा (Review of research by experts) - Q) What is an experimental group?
Ans: प्रयोग में जिन पर परीक्षण किया जाता है (Group on which experiment is done) - Q) What is the difference between theory and law in science?
Ans: नियम निश्चित, सिद्धांत व्याख्या है (Law is definite, theory is explanation) - Q) What is the name of the Indian Mars mission?
Ans: मंगलयान (Mangalyaan) - Q) What is a variable in scientific research?
Ans: कोई भी मापने योग्य गुण जो बदले (Any measurable factor that changes) - Q) What is the significance of reproducibility in experiments?
Ans: प्रयोगों को दोहराना संभव होना (Experiments can be repeated) - Q) What is the role of ethics in scientific research?
Ans: अनुसंधान में नैतिकता बनाए रखना (Maintaining ethics in research) - Q) What is the greenhouse effect?
Ans: वायुमंडल में गर्मी फंसने की प्रक्रिया (Trapping of heat in atmosphere) - Q) Who discovered radio waves?
Ans: हेनरिक हर्ट्ज़ (Heinrich Hertz) - Q) What is the primary source of energy for plants?
Ans: सूर्य की रोशनी (Sunlight) - Q) What is the name of India’s first nuclear reactor?
Ans: आरापु (Apsara) - Q) What is qualitative analysis?
Ans: पदार्थ की पहचान करना (Identifying substances) - Q) What is quantitative analysis?
Ans: मात्रा मापना (Measuring amount) - Q) What does a centrifuge do?
Ans: पदार्थों को अलग करने के लिए घुमावदार यंत्र (Rotates substances for separation) - Q) What is a scientific model?
Ans: किसी प्रक्रिया का चित्रात्मक रूप (A representation of a process) - Q) What is the name of India’s first supercomputer?
Ans: पाराशर (Param) - Q) What is the main gas responsible for ozone layer depletion?
Ans: सीएफसी (CFC – Chlorofluorocarbons) - Q) What is a double-blind experiment?
Ans: प्रयोग जिसमें शोधकर्ता और प्रतिभागी दोनों अनजान हों (Both researcher and participant unaware) - Q) What is the difference between accuracy and precision?
Ans: Accuracy is closeness to true value, precision is repeatability.
सटीकता सच्ची मान के करीब, पुनरावृत्ति को कहते हैं। - Q) What is the primary focus of environmental science?
Ans: पर्यावरण और उसके संरक्षण का अध्ययन (Study of environment and conservation) - Q) Who discovered vaccination?
Ans: एडवर्ड जेनर (Edward Jenner) - Q) What is the significance of control variables?
Ans: प्रयोग में स्थिर रखने वाले तत्व (Factors kept constant in experiment) - Q) What is a placebo?
Ans: बिना सक्रिय सामग्री वाली दवा (Inactive substance) - Q) What is the full form of NASA?
Ans: National Aeronautics and Space Administration - Q) What is CRISPR?
Ans: जीन संपादन तकनीक (Gene editing technology) - Q) What is the function of a catalyst?
Ans: प्रतिक्रिया की गति बढ़ाना (Increase reaction rate) - Q) Who invented the World Wide Web?
Ans: टिम बर्नर्स-ली (Tim Berners-Lee) - Q) What is nanotechnology?
Ans: अणुओं के स्तर पर तकनीक (Technology at molecular level) - Q) What is meant by ‘open access’ in scientific publishing?
Ans: शोध पत्र मुफ्त उपलब्ध होना (Research papers freely available) - Q) What is the primary role of the Indian Council of Scientific and Industrial Research (CSIR)?
Ans: वैज्ञानिक अनुसंधान को बढ़ावा देना (Promoting scientific research) - Q) What is a hypothesis test?
Ans: अनुमान की पुष्टि या अस्वीकृति (Confirmation or rejection of a hypothesis) - Q) What is the meaning of ‘validity’ in research?
Ans: अनुसंधान परिणामों की विश्वसनीयता (Reliability of research results) - Q) Who discovered the X-rays?
Ans: विल्हेम रोएंटगेन (Wilhelm Roentgen) - Q) What is the significance of ‘literature review’ in research?
Ans: पूर्व शोधों का अध्ययन (Study of previous research) - Q) What is a qualitative research tool?
Ans: साक्षात्कार (Interview) - Q) What is a quantitative research tool?
Ans: सर्वेक्षण (Survey) - Q) What is the main objective of applied research?
Ans: व्यावहारिक समस्याओं का समाधान (Solving practical problems) - Q) What is the primary aim of basic research?
Ans: ज्ञान का विस्तार करना (Expanding knowledge)
ssc gd science question pdf
