Multiple choice questions about health and life knowledge

What is the printer type of high speed and high resolution 1? Laser type

2. What is the driving force of the world weather? sun

Suppose you boil a pot of water on a spaceship. How long will it take to cook? Will not boil

4. What is glucose? white crystal

5. What is the principle of pruning fruit trees in gardening? Apical dominance

6. Teeth used to judge the age of a horse-what is the deep hole under the top of the front teeth? Dental sulcus

7. To what extent have humans observed the sun at close range? Skylab, a large manned space station launched by USA 1973.

8. What abiotic factors are related to the following phenomena: When the water temperature drops to 8 degrees, sardines will gather to the shore? temperature

9. The earliest quasars were discovered in 1960? 3C48

About 10 and 1 light years? 9.46 trillion kilometers

1 1, about the earth's rotation, the earth's rotation refers to the movement of the earth around the center of the earth, which is incorrect.

12, what does ascaris have to do with living in the human body? Parasitic disease

13, the following do not belong to artificial vegetative propagation of plants: stem separation.

14. Who invented the first telescope? "Galileo"

15, snake venom as a drug does not have which of the following functions? anesthetize

16. Which of the following ecosystems is the easiest to maintain ecological balance? tropical rainforest

17, China has promulgated four laws and regulations on software copyright protection, the latest of which is "Computer Software Copyright Registration".

18, which animal has the largest brain? sperm whale

19. The thicker the fuse, the greater the fusing current.

20. Life span of European herring living in Caspian Sea and Black Sea: over 100 years.

2 1. A lens whose edge is thicker than the center is called a concave lens.

22. Among the following diseases, those that are not infectious diseases are: coronary heart disease.

23. The following are not immune system diseases: albinism.

24. Does the fish have ears? have

25. The earliest quasars were found in 1960: 3C48.

26. What are the main components of natural gas? methane

27, the moon sometimes looks like a crescent moon, the moon outside the crescent moon still has a slight light, astronomers call this phenomenon 28, "gray light." What does gray light mean? The earth reflects sunlight to the moon.

29. The main form of wind energy utilization is wind power generation.

30. In the microcomputer Chinese character system, how many bytes is the internal code of a Chinese character? 2

3 1, anthracite is the largest calorific value of coal.

32. In the grass-rabbit-wolf-tiger food chain, tigers belong to the third category of consumers.

33. What abiotic factors are related to the following phenomena: animals such as dogs and sheep need to change their hair in summer. sunlight

34, 1970, Dr. Hawking realized and successfully proved: black hole boundary theorem.

Penicillin was invented in 1928.

36. Solid carbon dioxide is usually called dry ice. What does it do? artificial rainfall

37. If a person's sciatic nerve is alive and the spinal cord is damaged, then this person: feels but has no movement (paralysis).

If you want to send files to people who don't have an FTP server, the best way is to use email.

39. Some people bought stocks last year, which fell by 20% that year. How much should it go up this year to keep the original value? 25%

40. Computer hardware can only directly execute: machine language.

4 1. Which of the following insects will do harm to the growth of green vegetables? snail

42. Two organisms that can live independently live together and depend on each other, which is beneficial to each other or one side, while the other side is harmless. This relationship with life is called * * * habitat.

44. After people are punctured by rusty nails, tetanus can be avoided by injecting tetanus antitoxin. This kind of immunity belongs to artificial immunity.

45. The growth cycle of eyebrows is about two months.

46. How long is the giant salamander? 1 m

47. What is the shape of a pig's tail when it is in a good mood? Horizontal swing

48. When is World Water Day? March 23

49. Among animals, the fish has the biggest perspective.

50. What does shrimp breathe? gill

5 1, the most advanced reptile is crocodile.

52. Do giant pandas and red pandas belong to the same family? breakdown

53. Which constellation is Polaris in? Ursa Minor

54. This farmer has 65,438+07 sheep, and all but nine of them died of illness. How many sheep does the farmer have left? nine

55. Which of the following vitamins can be converted into calcium after being irradiated by the sun? cypridopathy

The opening of the Silk Road can be traced back to the Western Han Dynasty.

57. The following is not grass: cotton.

58. The control center of amoeba is the nucleus.

59. In what form does nitrogen mainly exist on the earth? nitrogen (N)

60. Can mercuric chloride be used with iodine? No, there will be toxic substances.

6 1, the biggest muscle in human body is gluteus muscle.

62. Which of the following fish is viviparous? shark

63. Why are there no live hairtail on the market? Hairtail died immediately after being caught because of the great change of air pressure.

64. Which animal has the longest life span in the world? turtle

65. Why are the eyes of the white rabbit red? This is the color of blood.

66. What do pangolins prey on? tongue

67. How many provinces does the Yellow River flow through? 9.

68. The world's first test-tube baby was born in: 1978.

Oil is called "black gold". Is this correct? correct

70. Which is heavier, wood or iron, in air or vacuum 1 ton? log

7 1, the wind on the earth cannot flow in a straight line because of (), and the earth rotates.

72. How many provinces does the Yellow River flow through? 9.

73. The world's first test-tube baby was born in: 1978.

Oil is called "black gold". Is this correct? correct

75. Which is heavier, wood or iron, in air or vacuum 1 ton? log

76, the wind on the earth can't flow in a straight line because () the earth rotates.

77. Oxygen turns into liquid at-183℃ (90K) and its color is light blue.

78. People see the continuous pictures of movies because of the phenomenon of visual persistence.

79. Are dinosaurs cold-blooded (warm-blooded) or warm-blooded (warm-blooded) animals? There is no conclusion yet.

80. The only bird that can fly back and forth and left and right is the hummingbird.

8 1. The longest giraffe in the world has a neck of about 6 meters.

82. The pH value of rainfall is less than 5.6, which is acidic.

83. How old is the earth? 5-6 billion years

The biggest palace in the world is the Forbidden City.

85. The mass-energy equation was put forward by Einstein.

86. What kind of fruit does kiwifruit belong to? berry; bacca

87. Why do chickens eat pebbles? Help digestion

The following do not belong to birds: bats.

89. Heavy metals are toxic to human body, which of the following is not: sodium (Na)

90. Seen from the northern hemisphere, the crescent moon with its bright side on the left is called the waning moon.

9 1. The image of an object passing through the eyes on the retina is an inverted real image.

92. The northernmost capital in the world is Reykjavik.

93. When carbon monoxide burns in the air, it will give off a blue flame.

94. What is the most divided border among African countries? : warp or weft

95. which vitamin can promote the absorption of calcium: vitamin d.

96. The peacock that opens the screen is a male peacock.

97. Where in the air is the loudest sound like sex? ground

98. The largest lymphatic organ in the human body is the spleen.

99. How many carbon isotopes are known? 12 species

100. What is the sweetest part of the apple? top

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