LIGHTENED TO LIGHT

  LESSON – 3 BIRDS   QUESTIONS & ANSWERS :-   1.     How does the body structure of a bird help it to fly? Birds are  very light because their bones  are  thin and hollow. Due to light weight  birds can fly  easily.    2.    How do birds use their beaks? Birds have different types of beaks depending on the kind of food they eat. They have no teeth. They use their beaks for eating, to pick up things and to feed their young ones. Beaks also protect them from their enemies.   3.    How many types of feathers does a bird have? Different birds have feathers of different colours and shapes. They are both light and strong. They help the bird to keep their bodies Warm. Feathers are of three types:- they are down feathers, body feathers, and flight feathers.   4.   What is the special future of the feet of water birds? Feet of ducks and swans are joined by a soft and thin skin between the toes. This type of feet are called webbed feet. Their webbed feet help th

  Chapter 5 Seeds And Seeds 1.        What things are soaked before cooking in your house? Why? . Ans.  Following things are soaked before cooking: Chana, moong, dry pea, rajma, soyabean, pulses, rice, etc. These things become soft after soaking. This makes it easier to grind them and to cook them. This helps in saying time and energy. . 2.      What things do you eat after sprouting? How are they sprouted? How much time does it take? Ans.  We eat chana, moong, etc. after sprouting. They Eire soaked in water overnight. Then the water is drained out and they are kept in a basket or suspended in a cloth so that they can get air. Chana takes about 36-48 hours to sprout, while moong takes about 24-36 hours. 3.      Think what would happen, if seeds did not spread and remained at one place only? Ans.  If seeds would not spread and would remain at one place only, there can be many problems for those seeds. All the seeds would fall near the parent tree. This will prevent those s

  Chapter 4 Mangoes Round The Year 1.     Find out the reason for these changes? From where did the fungus come on the bread? Ans.   These changes occurred because of rotting of bread. The spores of fungus are present in the air. When they get a moist surface and food, they begin to grow. 2.     Different kinds of food items spoil due to different reasons. Some foods spoil soon, some stay good for long. List some seasons and conditions in which food spoils quickly. Ans.   The food spoils quickly in summer and rainy seasons. Conditions in which the food spoils quickly: – If cooked food is kept in open. – If milk is not boiled properly. – If green vegetables are kept in hot and humid places. – If pickles are not protected against moisture. 3.     Given below are some food items and some simple methods by which these could be kept fresh for 1-2 days. Match the correct pairs: FOOD ITEMS METHODS Milk Put in a bowl and keep the bowl

  Chapter 3 From Tasting To Digesting 1.      Do you like only one kind of taste or different ones? Why? Ans.   I like different kinds of taste. Only one taste can be boring. 2.     How did Jhumpa make out the fried fish? Can you guess the names of certain things only by their smell, without seeing or tasting them? What are these things? Ans.   Jhumpa made out the fried fish by its smell. Yes, I can guess many things only by their smell. For example; I can guess fish, omlette, samosa, pakodi, etc. by their smell. 3.     Has anyone ever told you to hold your nose before taking a medicine? Why do you think they tell you to do this? Ans.  Sense of smell helps in getting the complete taste of a food. In case of medicine, closing the nose, will somewhat mask the taste of medicine. This may be the reason why we are told to close our nose while taking a medicine. 4.       Would you be able to manage without drinking water for two days? Where do you think the water that we drink g

  Chapter 2 Diversity and Discrimination 1.      How can the stereotype that girls are a burden on their parents affects the life of a daughter? Imagine this situation and list at least Jive different effects that this stereotype can have on the way daughters get treated in the house. Ans: The Stereotype that girls are a burden on their parents affect the life of a daughter in the following ways: ·          They are not properly cared for. ·          They are not given preference for higher education. ·          They are not allowed to attend/join schools. ·          They are married early. ·          They are not provided nourishing food. ·          They are engaged early in household works/chores. 3. What does the Constitution say with regard to equality? Why do you think it is important for all people to be equal? Ans:  Our Constitution provides that the state shall not discriminate against any citizen on the basis of religion, race, caste, sex, or region. It is

  Chapter 3 From Gathering to Growing Food 1.      Why do people who grow crops have to stay in the same place for a long time? Answer: ·          People who grow crops have to stay in the same place for a long time to look after plants-protecting them from birds, animals and their other fellows so that they could grow and crops or seeds could-ripen safely. ·          Settled life is useful and essential to lead a civilized life. ·          People grow crops to meet their daily food and some other needs. 2.      Look at the table on page 25 of the textbook/ If Neinuo wanted to eat rice, which are the places she would have visited? Answer:  Neinuo would have visited these places if she wanted to eat rice: (i) Koldihwa in present-day Uttar Pradesh, and (ii) Mahagara in present-day Uttar Pradesh.   3.      Why do archaeologists think that many people who lived in Mehrgarh were hunters to start with and that herding became more important later? Answer:  On excavation, a