Multiple Choice Question Question 1. The muscular tube through which stored urine is passed out of the body is called (a) kidney (b) ureter (c) urethra (d) urinary bladder. Solution: (c) Human excretory system comprises ‘ of a pair of kidneys, a pair of ureters, a urinary bladder, a urethra Read more…
Multiple Choice Question Question 1. Sometimes when we do heavy exercise, anaerobic respiration takes place in our muscle cells. What is produced during this process? (a) Alcohol and lactic acid (b) Alcohol and CO2 (c) Lactic acid and CO2 (d) Lactic acid only Solution: (d) When we do heavy exercise Read more…
Multiple Choice Questions Question 1. The microorganisms present in the soil require moisture (water) and nutrients for growth and survival. Choose from the options below the habitat (place) where the soil has plenty of water and nutrients. (a) Desert (b) Forest (c) Open field (d) Cricket ground Solution: (b) In Read more…
Multiple Choice Questions Question 1. A fire alarm usually detects smoke in case of fire. Where should such an alarm be placed in a room? (a) Near the door (b) On the floor (c) On any wall (d) On the ceiling Solution: (d) Question 2. Four schematic diagrams are shown Read more…
Multiple Choice Questions Question 1. The maximum and minimum temperature displayed daily in the weather bulletin refer to the (a) highest day temperature and lowest night temperature of the day. (b) highest day temperature and highest night temperature of the month. (c) temperature recorded at 12 noon and at midnight Read more…
Multiple Choice Questions Question 1. Which of the following is a physical change? (a) Rusting of iron (b) Combustion of magnesium ribbon (c) Burning of candle (d) Melting of wax Solution: (d) Melting of wax is a physical change. All other changes are chemical changes. Question 2. Which of the Read more…
Multiple Choice Questions Question 1. The correct way of making a solution of acid in water is to (a) add water to acid (b) add acid to water (c) mix acid and water simultaneously (d) add water to acid in a shallow container. Solution: (b) The correct way of making Read more…
Multiple Choice Questions Question 1. A marble tile would feel cold as compared to a wooden tile on a winter morning, because the marble tile (a) is a better conductor of heat than the wooden tile. (b) is polished while wooden tile is not polished. (c) reflects more heat than Read more…
Question 1. Given below from (i) to (iv) are some food items. (i) Boiled and mashed potato (ii) Glucose solution (iii) A slice of bread (iv) Mustard oil Which of the above will give blue-black colour when tested with iodine? (a) (i) and(ii) (b) (i) and (iii) (c) (ii) and Read more…