Imp Questions of Science 1 of Maharashtra Board SSC Get it now
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I have past 5 years of experience of Maharashtra board SSC all papers including science papers 1 and 2 also. here will see the all-important questions which will help you in the upcoming board exam 2021.
Most IMP Questions of Science 1 SSC Board 2021
Chapter 1: Gravitation
- State newton’s universal law of gravitation mathematically.
- Give Kepler’s first and third law for planetary motion.
- Explain the variation in the value of gravitational acceleration (g) along the surface, with height and depth
- One numerical on newton’s universal law of gravitation
- What do you mean by free fall
- Explain why the value of ‘g’ is zero at the center of the Earth.
Chapter 2: Periodic Classification of Elements
- Explain Dobereiner’s Triads with example (Li, Na, K)
- Give the Mendeleev’s Periodic law and Modern Periodic law
- What are the demerits of Mendeleev’s Periodic Table?
- What do you mean by Periodic Trends and list trends
- Explain the terms; valency, atomic size/atomic radius, electronic configuration, transition metals, alkali metals, halogens, noble gases, lanthanides, and actinides
- How many periods, groups, blocks, and elements are in the modern periodic table?
- Give Reason: Metallic character goes on decreasing while going from left to right
- Give Reason: Atomic radius/size goes on increasing down a group
- Give Reason: Atomic radius/size goes on decreasing left to right in the periods
- Give Reason: Group 18 elements are also called noble gases.
Chapter 3: Chemical Reactions and Equations
- Explain with examples: combination reactions, decomposition reactions, displacement reactions, catalyst, oxidation, and reduction.
- Distinguish between exothermic and endothermic reactions.
- List the factors affecting the rate of a chemical reaction
- Determine which reactions are oxidation and reduction OR exothermic and endothermic
- Maybe one example balance the given chemical equation.
Chapter 4: Effect of electric current
- Formula and units for electric current(I), resistance (R), electrical power (P), Heat, Potential Difference (P.D or V)
- State the principle: electric motor, electric generator, ammeter, voltmeter, galvanometer.
- Explain Fleming’s left-hand rule, right-hand thumb rule.
- Give Reason: For electric transmission, copper or aluminum wire is used.
- Why Fuse is important in the electric circuit?
- Explain the terms: short circuit, overloading.
- What do you mean by electromagnet?
- What is the frequency of electricity in India? And explain what is the frequency?
Chapter 5: Heat
- Distinguish between specific latent heat of fusion and vaporization.
- Give the SI units of Heat
- Explain in brief: Anomalous behavior of water
- What is humidity? and give the formula to calculate relative humidity.
- Give the ‘principle of heat change’.
- A numerical on the formula of energy gained or released.
Chapter 6: Refraction of Light
- What is the refraction of light? Dispersion of light?
- State the laws of refraction of light.
- Give the definition of the refractive index of the material.
- Draw ray diagram, when light is passed from rarer to denser OR denser to rarer medium.
- At least two numerical on the formula of refractive index
- What is the reason for the twinkling of the stars?
Chapter 7: Lenses
- Explain the terms, center of curvature (C), Radius of curvature R, and focal length.
- Explain the magnification, power of the lens.
- Formula and unit for the power of the lens
- Give reason: Simple microscope is used for watch repairs.
- Distinguish between: Convex and Concave lens.
- One numerical on focal length.
- Human eye-related terms: iris, retina, pupil
- Any two uses of concave lenses
Chapter 8: Metallurgy
- Why calcium shows different reaction with water
- The reaction of metal with HCl
- Which are the high reactive metals
- Explain, ionic compounds, ionic bonds.
- Why ionic compounds are hard in nature?
- Why melting point and boiling point of ionic compounds are higher?
- Give the formula of bauxite, rust, alumina, silica, and caustic soda.
- What do you mean by gangue?
- What is corrosion and give all possible methods for prevention of it?
- Give reason: Sodium is always kept in the kerosene.
- Formation of NaCl and MgCl2 by ionic bond
- Neat labeled diagram of the magnetic separation method.
- What is the difference between ore and minerals?
- Roasting and calcination
- Halls process and Bayer’s process
- Explain Leaching process
Chapter 9: Carbon Compounds
- Difference between ionic compounds and covalent compounds
- Explain the terms: catenation power,
- Draw the electron dot structure of methane, ethane.
- What is meant by hydrocarbons gives its classification.
- Define alkanes, alkenes, and alkynes with their general formula, examples.
- Explain the isomerism or isomers with suitable examples
- Give the possible isomers of pentane or hexane
- Explain aromatic compounds with suitable examples.
- What are the functional groups?
- Explain the homologous series with a specific example.
- What are the characteristics of the homologous series?
- Define alkyl group with example.
- What are the isoalkanes, isoalkanes?
- How to convert ethanol to ethanoic acid?
- How to convert unsaturated hydrocarbons to saturated hydrocarbons.
- Give the reaction chlorination of methane (substitution reaction of carbon compounds)
- Write all physical properties of ethanol and ethanoic acid/acetic acid.
- Give the Esterification Reaction.
Chapter 10: Space Mission
- What is meant by artificial satellite, and what gives its types?
- What are the types of satellites?
- The first artificial satellite
- Define critical velocity, escape velocity.
- Explain the structure of satellite Launch Vehicles (PSLV)
- Why are geostationary satellites not useful for studies of polar regions
- Explain your opinion If the height of the orbit of a satellite increases, its velocity must also increase.
- If the mass of a planet is eight times the mass of the earth and its radius of the earth, what will be the escape velocity for that planet? that planet.
IMP Questions of Science 2 SSC Board 2021
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Chapter 1: Heredity and Evolution
- What is meant by heredity and evolution
- What do you mean by Translation & Translocation
- Evidence of Evolution (any four)
- Write a note on connecting link, Lamarckism.
- Define heredity. Explain the mechanism of hereditary changes
- Evidence of evolution
- Define fossil. Explain the importance of fossils as proof of evolution.
2. Life Processes in Living Organisms Part 1
- What is meant by cellular respiration?
- Define: aerobic respiration, glycolysis
- Distinguish between aerobic and anaerobic respiration
- Distinguish between Mitosis and meiosis
- Give reason: cell division is one of the important nutrients.
- With the help of suitable diagrams, explain the mitosis in detail.
- Explain the Kreb’s cycle with reaction.
3. Life Processes in Living Organisms Part 2
- Distinguish between sexual and asexual reproduction.
- Types of asexual reproduction (unicellular and multicellular)
- Explain with a diagram: Binary Fission, Multiple Fission, Spore Formation.
- What do you mean by fertilization, and gamete formation?
- Sketch the labeled diagrams: female reproductive system, flower with its sexual reproductive organs.
- The gender of a child is determined by the male partner of the couple. Explain with reasons whether this statement is true or false.
- Give the names: Hormones related to the male and female reproductive system, Types of twins, Any two sexual diseases, Methods of family planning, important sexual organs of male and female reproductive systems
- Explain the Menstrual cycle
4. Environmental Management
- Define ecosystem, food chain, pyramid of energy, pollution, environment
- Basic functional unit used to study the ecology is called as
- Complete the food chain: Grasshopper – Snake – Paddy field –Eagle – Frog.
- Write note on: Biodiversity, Disaster and its management
- Write the factors affecting the environment
- Give the examples of biodiversity, ecosystem
- How can biodiversity be conserved?
5. Towards Green Energy
- What are the turbines and their functions?
- Explain the conversion of energy with examples.
- Distinguish between Conventional and Non-conventional sources of energy.
- What is meant by green energy?
- Which energy sources can be called green energy sources and why? Give example.
- What are the advantages and limitations of solar energy?
- Explain with diagram step-by-step energy conversion in nuclear power plant, hydroelectric power plant
- Why nuclear waste safely disposition is a big challenge before scientists.
6. Animal Classification
- Complete the chart on the characteristics of the animal’s category, class, or phylum
- Give reason: Our body irritates if it comes in contact with jellyfish.
- Give reason: All vertebrates are chordates but all chordates are not vertebrates.
- Write the characters of each of the following animals with the help of the classification: Bath sponge, frog/tod, jellyfish.
- Class Aves and Mammalia are the important classes
- Explain the phylum Porifera
- Draw neat labeled: Hydra, starfish.
7. Introduction to Microbiology
- How the bread and other products produced using baker’s yeast are nutritious.
- Explain clean technology
- Explain Bioinsecticides, antibiotics.
- What is the role of microbes in compost production?
- What are the benefits of mixing ethanol with petrol and diesel?
- Which precautions are necessary for the proper decomposition of domestic waste?
- Explain the importance of biopesticides in organic farming.
8. Cell Biology and Biotechnology
- Explain the term Cytology, Insecticides, organic farming,
- Write a note on White revolution, Green Revolution, Biotechnology: Professional uses,
- Which precautions will you take during the spraying of pesticides?
- Explain the meaning of vaccination.
- Uses of stem cells.
- Write a comparative note on the usefulness and harmfulness of biotechnology.
9. Social Health
- Which factors affect the social health
- Explain the importance of good communication with others
- Stress management
- What will you do? In any particular situation?
10. Disaster Management
- Write notes on the Nature of disaster management, Mock Drill.
- Give the reasons for the increase in human disasters after World War II.
- Why is it essential to get the training in first aid?
- Which different aspects of disaster management would you check for your school? Why
- Some symbols are given below.
- Explain those symbols. Which disasters may occur if those symbols are ignored?
So, friends, I hope that, you will find these all questions very useful for your upcoming SSC board examinations.
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