STD VII SCIENCE ONLINE SELF NECTA TEST FOR YEAR 2009

SCIENCE 2009

SECTION A

Choose the correct answer and write the letter in the correct column next to each question on the answer sheet.

1. You can help someone who has fainted by:

  1. give him fresh air 
  2. shaking him violently
  3. lying on his face 
  4. squeezing the abdomen slowly
  5. put a towel of cold water on her face
Choose Answer


2.......... is caused by a deficiency of vitamin A.

  1. Malnutrition 
  2. Dry eyes 
  3. Rickets
  4. Intestinal 
  5. Infertility
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3. The importance of the pediatric clinic card is to facilitate the characters

  1. to know the date on which the child was born
  2. ensure that the child was born
  3. appreciate the developmental development of the child
  4. easy access to health care 
  5. go with the times
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4. What first aid should a diarrhea patient receive?

  1. take her to the doctor early
  2. give him pills to relieve pain
  3. give him water mixed with lemon, sugar and salt
  4. refer her to a traditional healer 
  5. give him enough food
Choose Answer


5. The main means of transmitting HIV to humans are:

  1. piercing ears and nose 
  2. blood transfusions
  3. sexual intercourse 
  4. accident
  5. injecting needles
Choose Answer


6. Panda was forbidden by her mother to play with snails. What disease do you think his mother was keeping him from?

  1. Bilharzia
  2. diarrhea
  3. malaria
  4. sleeping sickness
  5. AIDS
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7. Todi opened the gas from the pitcher and directed it to the fire. The fire lit up more. What gas did the jug contain?

  1. oxygen 
  2. carbon dioxide 
  3. monoxide 
  4. Hydroxide
  5. wind gas
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8. Some of the natural disasters that can endanger plants and forests are:

  1. rain accompanied by hurricanes, droughts and volcanoes
  2. fire, drought and volcano
  3. rain accompanied by hurricanes, fires and volcanoes
  4. fire, drought and rain accompanied by storms
  5. fires, chemicals in plants and livestock in excess
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9. During the day, what do green plants reduce in the atmosphere?

  1. carbon dioxide 
  2. nitrogen 
  3. hydrogen 
  4. oxygen 
  5. nitrate
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10. It is recommended where to build a pit latrine:

  1. in the valley near the river
  2. inside the living house 
  3. a short distance from the living house
  4. very flat 
  5. very close to the living house
Choose Answer


11. If the issue in the next debate increases, what will happen soon? LEAVES → ANTELOPES→ LIONS

  1. the leaves will reduce 
  2. lions will die
  3. the number of lions will not change
  4.  the amount of leaves will not change
  5. the leaves will increase
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12. After fertilization, the baby frog is called:

  1. larvae 
  2. maggot
  3. locust larvae
  4. tadpole
  5. egg
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13. The two parts of the fence that connect to the stamens are:

  1. seeds and pistils 
  2. style and stalk
  3. ovary and sepal 
  4. petals and sepal
  5. filament and anther
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14. The second step in the metamorphosis of cockroach is:

  1. lava 
  2. locust larvae
  3. maggot
  4. complete cockroach 
  5. egg
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15. Where do plants usually grow?

  1. on water
  2. in the light
  3. wind direction
  4. on fertility
  5. dark
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16. The part of the flower that receives pollen is called:

  1. style
  2. stigma 
  3. ovaries 
  4. stamens
  5. ovule
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17. The following diagram shows an aquatic creature.

https://myfiles.space/user_files/30996_4958b541bbe404eb/30996_custom_files/img1626698445.png

Figure 1

What part of his body helps him to swim?

  1. U
  2. R
  3. T
  4. V
  5. S
Choose Answer


18. What organ is responsible for turning red blood cells into bile in the human body?

  1. liver 
  2. kidney
  3. heart 
  4. lungs 
  5. spleen
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19. The following are sources of electricity generation except:

  1. waterfall 
  2. solar energy
  3. thunderstorms 
  4. fuel 
  5. wind
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20. Describe the energy changes that occur in the following Figure when steam is used to rotate the fan:

Figure 2

  1. electricity becomes a sound
  2. The sound became heat
  3. heat to be mechanical energy
  4. sounds become electricity
  5. lightning becomes a magnet
Choose Answer


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