CHAPTER 3 ANIMALS INCRESING IN NUMBER

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1 JABAL FARASAN INTERNATIONAL SCHOOL, RABEGH KSA Affiliated to CBSE New Delhi SCIENCE-CLASS IV-CHAPTER-WISE WORKSHEET-2 STUDENT NAME... ROLL NO. DATE CHAPTER 3 ANIMALS INCRESING IN NUMBER I. FILL IN THE BLANKS 1. In reproduction young one resemble the parents in most of the ways. 2. is a mammal that lays eggs 3. Name two aquatic mammals, 4. is the hard covering that protects the inner soft parts of the egg 5. is rich in protein 6. Growing chick or embryo have food from 7. Metamorphosis in frog includes the loss of and the growing of 8. Larva of caterpillar is called 9. Caterpillar forms a covering around itself called 10. Pupa is covered by a protective layer called 11. Turtles and crocodiles lay eggs in near the river bank 12. Snakes reproduce by II. DEFINE THE TERMS 13. Reproduction: 14. Mammal: 15. Metamorphosis: 1

2 16. Larva: 17. Moulting: 18. Nymph: III. COMPLETE THE LIFE CYCLE IV. ANSWER THE FOLLOWING 19. Explain the parts of an egg. Support your answer with a diagram 20. How is tadpole different from a frog? 21. Do nymphs look like adult cockroaches? How are they different? 2

3 I. FILL IN THE BLANKS CHAPTER 4 ADAPTATIONS IN ANIMALS 1. Animals are well-adapted to live in their 2. Animals that live mostly in on trees are called 3. Write 3 examples for arboreal animals,, 4. Animals that live on land, on the surface of the ground, or in burrows below the surface of the ground are called 5. Terrestrial animals breathe through their 6. Write 3 examples for terrestrial animals,, 7. Animals which spend a greater part of their lives flying in the air are called 8. Write 3 examples for aerial animals,, 9. Birds are having shaped body with hollow bones 10. Write two examples for animals that can migrate, 11. The mass movement of animals from one region to another region is called 12. Animals that live in water are called 13. Aquatic animals breathe through 14. Animals that can live both on land and in water are called 15. Write 3 examples for amphibians,, 16. is a well-known for her studies on the social and family life of chimpanzees 3

4 17. Write 3 animals which have thick fur on their skin 18. The ability of animals to blend with their surroundings is called 19. Write 3 examples for animals that shows camouflage,, 20. A is barely visible against the tree it clings to 21. The deep sleep of animals during the cold winter months is called 22. Write 3 examples for animals that hibernate,, 23. The long summer sleep in some animals in order to save water is called II. FILL THE GIVEN BOX BREATHING ORGANS TWO EXAMPLES Gills Lungs Spiracles ORGANS OF MOVEMENT Limbs Scales Fins Wings Wings and Legs EATING HABITS Herbivores Carnivores EXAMPLES TWO EXAMPLES 4

5 Omnivores Parasites Scavenger 26. III. ANSWER THE FOLLOWING 27. List the features of birds that help them to fly 28. Why do porcupines have spines? 29. Why do some animals change color? 30. Distinguish between terrestrial and aquatic animals. I. FILL IN THE BLANKS CHAPTER 5 FOOD AND DIGESTION 1. protect us from many diseases 2. The food that we eat contains useful substance called 3. is called the body building foods 5

6 4. Write 3 examples of food which are rich in protein,, 5. Starch and sugar are types of 6. Write 3 examples of food which are rich in carbohydrates,, 7. Fats and carbohydrates are called foods 8. Write 3 examples of food which are rich in fat,, 9. Food containing vitamins and minerals are very important as they prevent disease called 10. is the fiber present in the food 11. cannot be digested by the body 12. Write 3 examples of food which are rich in roughage,, 13. Our body needs liters of water daily 14. maintains the body temperature 15. Write 4 types of cooking,,, 16. Overcooking destroys the in the food 17. is storage of the food to prevent from spoilage 18. Write 3 natural preservatives,, 19. The breaking down of food into simple soluble forms that can be used by the body is called 20. The process of digestion takes place inside a very long tubular organ system is called 21. Digestion begins from 22. The digestive juice present in the mouth is 23. From the food is going to stomach 6

7 II. 24. is a bag like organ 25. Bile is produced in 26. Digestion ends in 27. Undigested food goes to the 28. The semi-solid undigested food, called, is passed out of the body through the FILL THE GIVEN BOX VITAMINS AND MINERALS Vitamin A Vitamin B Vitamin C Vitamin D Vitamin E Vitamin K Iron Calcium Phosphorus Fluoride Iodine FOOD 7 BENEFITS III. ANSWER THE FOLLOWING 29. Write the main precaution we have to take while cooking? 30. Write different types of food preservation

8 31. Write the tips for healthy digestion 32. Why is excessive amount of fat harmful for the body? 33. Explain balanced diet 34. Draw the diagrammatic representation of the process of digestion PREPARED BY: Mrs. Lisha Cherry ******************** 8