LET REviewer: General Science Keywords

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1. Is the relationship between an organism and a host where neither is benefited nor harmed.
COMMENSALISM

2. Living and feeding on leaves by caterpillar is an example of _____.
🦃PARASITIC

3. NOT used in the manufacture of food by green plants.
🦃OXYGEN

4. Josef weighs 65 kilos on the ground. How much is the force of gravity on him?
🦃65 KILOS

5. During respiration, green plants take in?
🦃OXYGEN

6. A root may perform all the following functions except?
🦃PHOTOSYNTHESIS

7. Ang kutsilyo ni Mang Atong ay kinalawang pagkatapos ng ilang buwan. Ano ang sanhi nito?
🦃ANG OXYGEN AY HUMALO SA IRON

8. Alin ang nagpapakita ng kemikal na pagbabago?
🦃PAGSUNOG NG PAPEL

9. Ito ang pagtaas ng likido sa maliit na tubo.
🦃CAPILLARITY

10. Ito ang paulit-ulit na pagbabagosa pagtaas at pagbaba ng tubig sa mga baybayin.
🦃TIDES

11. To lessen vehicular air pollution, the government should?
🦃BAN SMOKE BELCHERS ON THE ROADS

12. Developing mines require getting a DENR clearance. Which clearances are required?
🦃ENVIRONMENTAL CLEARANCE

13. The latest discovery in biological science as applied to animal industry, is widely used in?
🦃ARTIFICIAL BREEDING

14. Agricultural centers have found lately varieties of coconut propagation. Through what means were the coconut varieties get discovered and distributed?
🦃PUTTING UP PLANT NURSERIES

15. Food preparations are handled well to avoid spoilage caused by _____ in the preparation and processing of the food products.
🦃UNSANITARY CONDITIONS

16. The DOH warns the public about preservatives being used in vegetables. What advice could you give with regards ensuring safe vegetables?
🦃WASH THE VEGETABLES WELL WITH CLEAN WATER

17. School feeding and milk rationing programs to school children are being implemented by the government. The project is designed to?
🦃STOP MALNUTRITION AMONG SCHOOLCHILDREN

18. Food, plants and other animal wastes should be segregated in waste disposal because?
🦃THESE ARE BIODEGRADABLE

19. People on earth experience day and night regularly every 24 hours. Why is this so?
🦃BECAUSE THE EARTH ROTATES ON ITS OWN AXIS

20. Acid rain cause fish kills, destroy buildings,dissolve river nutrients, etc. Which cause acid rain?
🦃BURNING OF FOSSIL FUELS

21. What would be the best way to prevent soil erosion in a hill?
🦃BUILDING TERRACES

22. Tge application of specific concepts and principles.
🦃TECHNOLOGY

23. What causes the feeling of coolness after experiencing perspiration?
🦃CONDENSATION OF PERSPIRATION

24. A weather disturbance having a 50 km/ hour center winds is called?
🦃TROPICAL DEPRESSION

25. Environmental pollution is  classified as violence that is now termed as?
🦃ECOLOGICAL

26. There are some insects or animals that can walk on water surface. This is made possible by?
🦃SURFACE TENSION

27. Is a group of interacting plants, animals and humans in a particular area.
🦃ECOLOGICAL COMMUNITY

28. Excessive presence of CO^2 in the air trapping heat near the earth's surface causing a rise in the temperature in the environment.
🦃GREENHOUSE EFFECT

29. The earth's shield against the sun's harmful radiation.
🦃OZONE LAYER

30. The use of products with _____ is discouraged because they contribute to the depletion of _____.
🦃CFC's ; ozone layer

31. Is a condition in which the excessive number of organisms may result in unhealthy living conditions and lower quality of life.
🦃overpopulation

32. Branch of science that deals with the study of the relationship between plants, animals and other living things found in their habitats.
🦃ECOLOGY

33.is NOT a biodegradable waste material.
🦃PAPER

34. These are substances disposed of after use or by-products brought about by certain processes.
🦃WASTE MATERIALS

35. A change in the shape or size of an object can be classified as?
🦃PHYSICAL CHANGE

36. Process that occurs when CO^2 as solid, changes CO^2 as gas.
🦃SUBLIMATION

37. It is the space between the sun and the planets of the solar system.
🦃INTERPLANETARY SPACE

38. Iron sheet is coated with _____ to prevent rusting.
🦃ZINC

39. The sudden change in the genetic composition of an organism which can either result in a wholesome or unwholesome by-product.
🦃MUTATION

40. He evolved the theory of evolution in his book "Origin of Species".
🦃CHARLES DARWIN

41. The relationship between give-and-take of living organisms in the biosphere is a balance of nature called _____.
🦃SYMBIOTIC RELATIONSHIP

42. Process in removing excess odor in water.
🦃AERATION

43. Which of the following statement is CORRECT?
🦃As altitude increases, atmospheric pressures correspondingly decreases

44. The earth rotates on its axis from west to east. This causes the sun to _____.
🦃Rise from the east and sets in the west

45. Has the greatest gravitational pull.
🦃JUPITER

46. It is the law explains why one can pull a piece of paper without toppling a glass in a quick motion.
🦃LAW OF INERTIA

47. NOT a source of energy.
🦃INERTIA AT REST

48. Which instrument will one use to convert mechanical energy to electrical energy?
🦃GENERATOR

49. Sun's energy is generated by?
🦃NUCLEAR FISSION REACTION

50. Application of energy is called _____.
🦃WORK

51. Within a large population, which factor helps to maintain a constant gene pool?
🦃RANDOM MATING

52. The sum of all the heritable alleles for all of the traits in a given population.
🦃GENE POOL

53. All the members of the group of organisms are considered to belong to the same species if they?
🦃Interbreed to produce fertile offspring

54. A contributing factorto the formation of new species.
🦃GEOGRAPHIC ISOLATION

55. Many group of insects have developed resistance to DDT and other insecticides as a result of?
🦃GENETIC MUTATIONS

56. This group of plants is sensitive to airborne chemicals and is often used to indicate presence of pollution?
🦃LICHENS

57. During the process of photosynthesis, oxygen is given off as a by-product. The oxygen comes from?
🦃CARBON DIOXIDE and WATER

58. NOT a function of transpiration?
🦃UPTAKE OF MINERALS

59. Green plants are considered autotrophs because they?
🦃CAN BUILD SIMPLE INORGANIC SUBSTANCES INTO COMPLETE ORGANIC SUBSTANCES

60. Fatima uses information that she gathered so that she can decide what might happen in the future. She is said to be?
🦃ANALYZING

61. Which of the following procedures is said to check the presence of starch?
🦃IODINE SOLUTION

62. Which distinguishing characteristics does a mammal possess?
🦃HAIR and MAMMARY GLANDS

63. A humid day is a condition in which the air is?
🦃WARM and MOIST

64. One major problem involved in organ transplants
🦃ANTIGEN-ANTIBODY REACTION

65. Rolando wants to know the mass of a piece of metal. What instrument should he use?
🦃PLATFORM BALANCE

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