Questions : Forest and Waste Management

 Forest and Waste Management

Q.1. What is a forest?

Q.2. Name three types of forests found in India.

Q.3. How are forests useful to us?

Q.4. What is a food chain?

Q.5. What is a food web?

Q.6. What is deforestation?

Q.7. Forests are converted into what types?

Q.8. What are the ways to conserve the forests?

Q.9. What is waste management?

Q.10. What are the substances which cause waste?

Q.11. What are the two ways to manage the waste?

Q.12. What is recycling?

Q.13. What are the two types in which waste can be segregated?

Q.14. What is segregation of waste?

Q.15. What is the use of blue bins and green bins?

Q.16. What is the method of composting?

Q.17. What is vermicomposting?

Q.18. How is non biodegradable waste recycled?

Q.19. What are the advantages of recycling?

Questions : Water a precious resource

 Water a Precious Resource

Q.1. Earth is called a _________ planet.

Q.2. Where are the most water of our planet found?

Q.3. How much freshwater is available for use?

Q.4. How much water has the United Nations recommended per person per day?

Q.5. Which day is celebrated as the World Water Day?

Q.6. In how many states does water exist?

Q.7. Where is the water found in solid state, liquid state and gaseous state?

Q.8. What is the process involved in the water cycle?

Q.9. What is groundwater?

Q.10. What is called a water table?

Q.11. What is called infiltration?

Q.12. Name the process by which groundwater is recharged.

Q.13. What is aquifer?

Q.14. How are the water from the aquifers  pumped out?

Q.15. What are the causes of lowering of water table?

Q.16. What is the effect of increased population on the water table?

Q.17. What is the effect of increased industries on the water table?

Q.18. What is the effect of Agricultural activities on the water table?

Q.19. What is the effect of deforestation on the water table?

Q.20. What is the effect of excessive rainfall in an area?

Q.21. What is the effect of lack of rain in an area?

Q.22. What are the ways to manage wastage of water?

Q.23. What are the ways for Rainwater harvesting?

Q.24. How is a Bawri important for Rainwater harvesting?

Q.25. What is Drip irrigation?

Q.26. What are the ways by which you can save water by minimising the wastage of water?

Q.27. What is the result of no plants in our surroundings?

Questions : Light

 Light

Q.1. What is light?

Q.2. What is the effect of no light?

Q.3. How does light travel in space?

Q.4. What is called the property of light to travel in straight lines?

Q.5. What is reflection of light?

Q.6. What are the properties of an image formed by a plane mirror?

Q.7. What is lateral inversion?

Q.8. Why is the word AMBULANCE written in an inverted manner on an ambulance van?

Q.9. What are the uses of plane mirrors?

Q.10. What are spherical mirrors?

Q.11. What are the two types of spherical mirrors?

Q.12. Give some examples of curved mirrors.

Q.13. What is the property of an image formed by a concave mirror?

Q.14. What happens when the distance of an object from a concave mirror increases?

Q.15. What are the uses of a concave mirror?

Q.16. What is the property of an image formed by a convex mirror?

Q.17. What are the uses of convex mirrors?

Q.18. What is a lens?

Q.19. Where are lenses used?

Q.20. What are the two types of basic lens?

Q.21. What is the property of a convex lens?

Q.22. What is the property of a concave lens?

Q.23. What is the difference in the image formed by convex lens and concave lens for a for off object?

Q.24. What kind of image is formed by a convex lens?

Q.25. What kind of image is formed by a concave lens?

Q.26. What is the other name of a convex lens?

Q.27. What is the other name of a concave lens?

Q.28. Name the seven colours which make a rainbow.

Q.29. What is dispersion of light?

Q.30. What is a spectrum of white light?

Q.31. What is a Newton's disc?

Questions : Electric Current and Its Effect

 Electric Current and its Effect

Q.1. What is an electric circuit?

Q.2. Name the simplest source of electric current?

Q.3. What are the components needed to create a simple circuit?

Q.4. What are the symbols of electric cell, battery, electric bulb, switch in on position , switch on off position?

Q.5. What is a battery?

Q.6. What is a circuit diagram?

Q.7. When is a bulb said to be fused?

Q.8. What is the heating effect of current?

Q.9. Name some appliances where heating effect of current is used.

Q.10. What is a heating element in an appliance?

Q.11. On what factors the amount of heat produced in a wire depends.

Q.12. Name the material of which an element is made.

Q.13. Name the material of which the bulb's filament is made?

Q.14. What can we use in place of a bulb to reduce wastage of electricity?

Q.15. What is an electric fuse?

Q.16. What is the property of a fuse?

Q.17. What is the symbol of a fuse?

Q.18. What are the causes of excessive electric current?

Q.19. What are miniature circuit breakers (MCBs)?

Q.20. What is a compass?

Q.21. What happens when we increase the number of coils?

Q.22. Who first observed the magnetic effect of electric current?

Q.23. Can electric current be used to produce magnets?

Q.24. What is the unit of electric current?

Q.25. What is a solenoid?

Q.26. What is an electromagnet?

Q.27. On what factors does the strength of an Electromagnet depend?

Q.28. What are the uses of electromagnets?

Q.29. On what principle is the working of an electric bell based?

Q.30. Explain the working of an electric bell.

Questions : Motion and Time

 Motion and Time

Q.1. Give an example of translatory motion.

Q.2. Give an example of periodic motion.

Q.3. Give an example of circular motion.

Q.4. How do we know that an object is moving faster or slower?

Q.5. What are needed to know the speed of an object?

Q.6. What is speed?

Q.7. What is a uniform motion and nonuniform motion?

Q.8. How did the people in ancient time come to know the time?

Q.9. What was the day in earlier times?

Q.10. What was a month in earlier times?

Q.11. What was a year in earlier times?

Q.12. Name some devices used to measure time?

Q.13. What is a sundial?

Q.14. What is a sand clock? What is its other name?

Q.15. What is a water clock?

Q.16. Who invented the first pendulum clock and in which year?

Q.17. What is a simple pendulum?

Q.18. Give an example of periodic or oscillatory motion.

Q.19. What is time period with respect to a pendulum?

Q.20. Name two devices based on pendulum clocks.

Q.21. What are Quartz clocks or Digital clocks?

Q.22. What is the standard unit of time? What is its symbol?

Q.23. What is the basic unit of speed?

Q.24. What parameters are needed to know the average speed of a body?

Q.25. Name the fastest creature on earth? What is its highest speed?

Q.26. Which instrument measures the speed of a vehicle?

Q.27. Which instrument measures the distance travelled by a vehicle?

Q.28. What is the name of the graph which represents the motion of an object?

Q.29. What is the name given to the meeting point of the two axes?

Q.30. How many axes a graph paper has?

Q.31. What is the name given to the horizontal and vertical axes respectively?

Q.32. On what axes are time and distance taken respectively?

Q.33. What are the uses of distance-time graph?

Questions : Reproduction in Plants

 Reproduction in plants

Q.1. What is reproduction?

Q.2. What are the two methods by which plants reproduce?

Q.3. What is asexual reproduction?

Q.4. What are the methods of asexual reproduction in plants?

Q.5. What is vegetative propagation?

Q.6. What are the advantages of vegetative propagation?

Q.7. What is a node of a plant?

Q.8. Name some plants which are grown from their cuttings?

Q.9. What are vegetative buds?

Q.10. Name some plants who have buds from which new plants grow.

Q.11. Name a plant which have buds on the margins of the leaves.

Q.12. What are  plantlets?

Q.13. Name some plants which produce new plants from roots.

Q.14. How does a cactus produce new plants?

Q.15. What is yeast?

Q.16. What is a colony of yeast? Describe?

Q.17. What is the process of reproduction in yeast called?

Q.18. How does algae reproduce?

Q.19. What is fragmentation?

Q.20. Name some plants which reproduce asexually through spores?

Q.21. What are the thread like structures of a fungus called?

Q.22. What are the spherical structures of a fungus called?

Q.23. What are spores?

Q.24. What is sexual reproduction?

Q.25. Name the male and female reproductive part of a flower.

Q.26. What is the name given to the flowers which have both stamens and pistils?

Q.27. Name some bisexual flowers.

Q.28. Name some unisexual flowers.

Q.29. What is the name given to the flowers which has stamen or pistil?

Q.30. Which part of the flower contains pollen grains?

Q.31. What does a pollen grain produce?

Q.32. What are the parts of a pistil?

Q.33. Which part of the flower contains the female gamete or egg?

Q.34. What is a zygote?

Q.35. What are the main steps involved in sexual reproduction in plants?

Q.36. What is pollination?

Q.37. Name two mammals which pollinate flowers?

Q.38. What is self pollination and what is cross pollination?

Q.39. Name some agents of pollination.

Q.40. Name two fruits which are called vegetables?

Q.41. What is fertilization?

Q.42. What forms the fruits and what form the seeds?

Q.43. Name the two types of fruits.

Q.44. What is seed dispersal?

Q.45. What is the use of seed dispersal?

Q.46. Name some agents of seed dispersal.

Q.47. Name some plants whose seeds are dispersed by wind.

Q.48. Name some plants whose seeds are dispersed by water.

Q.49. What are the properties of seeds to be dispersed by animals?

Q.50. Name some plants whose seeds are dispersed by animals.

Q.51. Which plant disperses its seeds by explosion?

Questions : Transportation in Animals and Plants

 Transportation in Animals and Plants

Q.1. What are the three vital things required by living organisms for survival?

Q.2. Which system transports the important substance in multicellular organisms?

Q.3. What are the three main constituents of the circulatory system?

Q.4. Which substances are transported by the blood?

Q.5. What is blood?

Q.6. What are the two parts of the blood?

Q.7. Name the three kinds of cells present in the blood.

Q.8. What is the name of the red pigment present in red blood cells?

Q.9. What is the function of haemoglobin in blood?

Q.10. What is the other name of RBCs?

Q.11. What is the function of white blood cells?

Q.12. What is the other name of WBCs?

Q.13. What is the function of platelets?

Q.14. What is the shape of platelets?

Q.15. What is the colour of the blood of a cockroach?

Q.16. What are blood vessels?

Q.17. Name the three types of blood vessels?

Q.18. What are arteries?

Q.19. Name an artery which carry of deoxygenated blood.

Q.20. Who discovered the circulation of blood?

Q.21. What are veins?

Q.22. What prevent backflow of blood in the veins?

Q.23. What can be seen as greenish-blue tubes on your hands and legs?

Q.24. Which vein carries oxygen rich blood from the lungs to the heart?

Q.25. What are capillaries?

Q.26. What is a four chambered muscular organ present in the chest called?

Q.27. Name the two upper chambers of the heart?

Q.28. Name the two lower chambers of the heart?

Q.29. What is heartbeat?

Q.30. Name the instrument used to listen the heartbeat by doctors?

Q.31. What is the rate of the heartbeat?

Q.32. What is the rate of heartbeat in a child?

Q.33. What is the rate of heartbeat in an adult?

Q.34. What is excretion?

Q.35. What are the constituents of an excretory system in humans?

Q.36. What are Kidneys?

Q.37. What are the constituents of urine?

Q.38. Name some organisms which do not have a circulatory system?

Q.39. What is a dialysis?

Q.40. How does skin act as an excretory organ?

Q.41. What is a sweat?

Q.42. What is photosynthesis?

Q.43. What is xylem in plants?

Q.44. What is phloem in plants?

Q.45. Name the two vascular tissues through which the transportation of substances in plants take place.

Q.46. What is transpiration?

Q.47. What is the function of evaporation of water in plants?