SET-3
MICELLANEOUS SCIENCE MCQS OF CLASS 4 FOR EVERY TEST
The Following are some most important science mcqs of class 4 for teaching Jobs etea | NTS science mcqs of grade 4 for pst. grade 4 most science important mcqs with answers for pst.
These mcqs taken from the whole book of Class 4. Class 4 Science full book mcqs for ETEA, NTS, are given below.
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1. Then human bones are attached and covered by ________.
Answer: muscles.
2. The muscles are ________ and pink or ______ in color.
Answer: soft, red.
3. Muscles work with the bones and ________
Answer: joints..
4. Muscles ____________ food through the digestive system.
Answer: move
5. The main function of the bones of the skull along with the surrounded meninges, is to provide ___________
Answer: protection and structure
6. The _______ form the main structure of the thoracic cage protecting the thoracic organs
Answer: ribs
7. which three body parts are in pairs?
Ans: Pair of; Lungs, ovaries, testes, kidney, eyes, salivary glands 3 in nose, mamary glands, Nipples, legs ,hands.
8. do all the teeth have the same shape?
Ans: incorrect! Your teeth are different sizes and shapes because they each play a different, unique role in the food-chewing process.
9. what is the difference between molar and premolar teeth?
Ans: The main distinctions between premolar and molar teeth are in their size and shape. While a molar has four cusps or points, a premolar has two to three. While premolars are larger and wider than your more narrow canine teeth and have a flat surface area, molars are significantly larger than their bicuspid neighbors.
10. what is the number of teeth in human?
Ans: A normal adult mouth has 32 teeth.
11. When we smile, ________ muscles are needed.
Ans: 14
12. There are almost _________ muscles in a human body. Almost half of the weight is due to muscles.
Ans: 600
13. The ________ is the most important part of our body.
Ans: brain
14. The _______ controls all the functions of our body.
Ans: brain
15. The brain collects information from different parts of our ________ and decides what type of response our body should give.
Ans: body
16. There are ___________ important parts in a flowering plant. These are called root, stem, leaf, flower, and seed.
Ans: five
17. fruits and seeds are formed in the __________.
Ans: flower
18. The function of stem is to __________ water and food.
Ans: stem
19. The function of leaves is to make food and produce __________.
Ans: oxygen.
20. The living and non-living things of any environment make the __________.
Ans: Ecosystem
21. The largest desert of the world is ___________ which is located in the continent Africa.
Ans: Sahara
22. The desert located in Mianwali and Bhakkar in Pakistan is called ______ and the desert located in southern parts of Punjab is called __________.
Ans: Thal, Cholistan
23. The deserted located in Sindh is called _________.
Ans: Thar
24. There are _________ components of an ecosystem.
Ans: two
25. The two component of an ecosystem are __________ and _____________
Ans: Abiotic , biotic
26. The non-living components of an ecosystem are called ____________ components.
Ans: Abiotic
27. The living components of an ecosystem are called ____________ components.
Ans: biotic
28. The plants are called ___________
Ans: Producers
29. The living things which obtain their food from other living things are called __________.
Ans : Consumers.
30. The living things which breakdown the dead bodies of plants and animals into simple components for their food from these, are called ____________.
Ans: Decomposers.
31. Bacteria and fungi are main _______________.
Ans: decomposers.
32. ____________ are a part of beautiful ecosystem under sea.
Ans: Corals.
33. ___________ usually live in the form of a colony which is called coral reef.
Ans: corals
34. Corals are also called the ____________ of the ocean.
Ans: rainforests.
35. The _________ is the main source of energy in an ecosystem.
Ans: Sun
36. The oxygen is used by animals for ____________.
Ans: respiration
37. During respiration, animals produce ___________ which is used by plants to make food.
Ans: carbon dioxide
38. The animals which eat plants are called _____________.
Ans: herbivores.
39. rabbit, goat, deer and cow are example of _____________.
Ans: herbivores
40. The animals which eat other animals are called _______________.
Ans: Carnivores
41. Lion, tiger, crocodile and shark are examples of ___________.
Ans: carnivores.
42. The animals which eat both plants and animals are called ______________.
Ans: omnivores.
43. Man, bear, birds and crow are examples of ___________.
Ans: omnivores.
44. The animal which eat by killing another living things is called a ________.
Ans: predator
45. Lion, tiger, shark and lizard are examples of ______________.
Ans: predators
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