Question 2 :
Any part of potato having ________ can grow into a new plant
Question 6 :
Click on True or False.<br>The rib cage protects the urinary bladder.
Question 7 :
Click on True or False.<br>Bones form a framework of our body and make up the skeleton.
Question 8 :
Click and choose the correct option.<br>How many bones are there in the upper arm?
Question 10 :
Click and choose the correct option.<br>The delicate organ that passes through the holes in the backbone is the __________.
Question 13 :
Click and choose the correct option.<br>The ____________ joint helps us to move our head in all directions.
Question 20 :
Click and choose the correct answer.<br>Which of the following is a sense organ?
Question 21 :
Click and choose the correct answer.<br>Which of the following is an example of reflex action?
Question 22 :
Click and choose the correct answer.<br>Which of the following nerves carry 'messages' from the brain or spinal cord to the other parts of our body?
Question 24 :
Choose the correct option.<br>The sense of taste and the sense of smell are linked.
Question 32 :
Choose the correct option.<br>The __________ of a seed protects the embryo.
Question 36 :
Choose the correct option.<br>Crops grown mainly in winter are called rabi crops.
Question 37 :
Choose the correct option.<br>The __________ stores food for the baby plants.
Question 38 :
Lila observed the shadow of a tree at 8 am, noon and 3 pm. Which of the following statements is closest to her observations about shape and size of the shadow?
Question 39 :
Nitu and Norma, while sitting across the table looked down on its top surface. They noticed that they could see each other’s image on it. The table top is likely to be made of
Question 45 :
If the sun is above your head the shadow formed would be
Question 49 :
Choose the correct option.<br>The seasonal movement of animals from one place to another for food and warmth is called ____________.
Question 50 :
Choose the correct option.<br>Herbivorous animals use ___________ to grind and chew food.
Question 52 :
Choose the correct option.<br>The small and sharp front teeth of rodents help them to ___________ their food.
Question 53 :
Choose the correct option.<br>Insects have _________ on their body for breathing.
Question 54 :
Click and choose the correct option.<br>Keep the burnt area under running ___________ water.
Question 55 :
Choose the correct option.<br>The process of planting trees in large numbers is called
Question 56 :
Choose the correct option.<br>The method of growing crops on steps in hills is called
Question 57 :
Click and choose the correct option.<br>Human beings do not cause soil erosion.
Question 59 :
Choose the correct option.<br>The water and the wind had helped to make soil. They also helped to take away the soil.
Question 60 :
Choose the correct option.<br>Cutting down large numbers of trees in a forest is called
Question 61 :
Choose the correct option.<br>The process by which water changes to water vapour is called __________.
Question 62 :
Choose the correct option.<br>The process of adding chlorine in water to kill germs is called ___________.
Question 64 :
Choose the correct option.<br>___________ is used to remove substances that dissolve in water.
Question 66 :
Choose the correct option.<br>The first layer of atmosphere is the ___________.
Question 68 :
Choose the correct option.<br>The impurities that settle down in the process of sedimentation are called __________.
Question 69 :
Choose the correct option.<br>Impurities such as sugar and salt are called ___________ impurities.
Question 70 :
Choose the correct option.<br>The process in which the insoluble impurities in a liquid are allowed to settle down at the bottom of a container is called ____________.
Question 71 :
Choose the correct option.<br>The process of removing the clear water after the sediments settle down is called ____________.
Question 72 :
Click and choose the correct answer.<br>Rain water harvesting is an expensive way of preserving water.
Question 73 :
Choose the correct option.<br>Which of the following helps to produce biogas?
Question 74 :
Choose the correct option.<br>The process of making land dirty by adding pollutants is called land pollution.
Question 77 :
choose the correct answer.<br>Which of the following helps the waste to rot and mix with the soil?
Question 78 :
choose the correct answer.<br>How many basic types of pollution is in environment?
Question 81 :
Injecting an inactivated form of bacteria or virus into the body to stimulate an actual infection
