STD VII SCIENCE ONLINE SELF NECTA TEST FOR YEAR 2018

1. Which pair among these is concerned with reproduction in plants and animals correctly?.

  1. Ovary in plants and sperms in animals      
  2. Filament in plants and fallopian in animals
  3. Fruits in plants and testis in animals
  4. Flowers in plants and uterus in animals
  5.  Seeds in plants and ovary in animals
Choose Answer :

2. In order for plants to continue surviving in their environment, they requires

  1. Air and soil 
  2. Air and water
  3. Soil and fertilizer
  4. Moisture and air
  5. Temperature and air
Choose Answer :

   3.  Rice reproduces through                              

  1. Leaves
  2. Seeds
  3. Roots
  4.  Suckers
  5. Branches
Choose Answer :

4, Which of the following groups of animals represents vertebrates? 

  1. Snail, scorpion, crocodiles
  2. Snail, monitor lizard, snake and fish 
  3. Monitor lizard, snake, spider and fish
  4. Snail, fish, frog and crocodile
  5. Lizard, snake, monitor lizard and crocodile
Choose Answer :

5. Caterpillar is one of the stages of growth of a

  1. Bee
  2. Tsetse fly
  3. Jigger
  4. Cockroach
  5. Butterfly
Choose Answer :

6. Which of the following are characteristic of animals?

  1. They grow, they breath, they eat , they move
  2. They grow, they breath, they sleep, they move
  3. They grow, they breath, they move, they reproduce
  4. They grow, they see, they move, they reproduce
  5.  They grow, Speak, they move, they reproduce
Choose Answer :

7. Electricity is caused by the flow of

  1. Electrons 
  2.  Protons
  3. Newtons
  4. Charges
  5.  Atoms
Choose Answer :

8.Which of the following is a characteristic of a chameleon

  1. It changes its sound
  2. It changes the type of food it eats
  3. It changes body colour
  4. It does not remove body waste
  5. It changes its movement
Choose Answer :

9. Which among the following is a mammal 

  1. Snail
  2. Duck
  3. Bat
  4. lizard
  5. Frog
Choose Answer :

11.Which of the following gases is highly consumed in the atmosphere by plants? 

  1. Carbon dioxide
  2. Oxygen
  3. Hydrogen
  4. Carbon monoxide
  5. Nitrogen
Choose Answer :

12.In order for water to be safe for drinking, it is supposed to be

  1. Boiled and covered
  2. Filtered and covered
  3. Boiled, filtered and stored
  4. Exposed the sun the whole day the whole day then to be cooled
  5. Put in a pot and covered
Choose Answer :

13.The following are essentials for health and growth of plants except

  1. Fertilizer from factories
  2. Water
  3. Carbon dioxide air
  4. Light from the sun
  5. Fertile soil
Choose Answer :

14.Air that is highly required by animals for their survival is

  1. Oxygen
  2. Carbon dioxide
  3. Nitrogen
  4. Hydrogen
  5. Carbon monoxide
Choose Answer :

15.A person who eats too fatty foods likely to get 

  1. Beriberi
  2. Epilepsy 
  3. Hypertension
  4. Diabetes
  5. Tuberculosis
Choose Answer :

16.A disease caused by defects of red blood cells is called

  1. Beriberi
  2.  Sickle cell
  3. Cancer
  4. Diabetes
  5. Tuberculosis
Choose Answer :

17.Which among these gases diffuses fastest in a closed room with charcoal?

  1. Hydrogen
  2. Carbon monoxide
  3. Carbon dioxide
  4. Oxygen
  5. Nitrogen
Choose Answer :

18.What kind of glass can we use make our images look better?

  1. Convex mirror
  2. Concave mirror
  3. Flat mirror
  4. Convex lens
  5. Concave lens
Choose Answer :

19.Why is it important to wash frui&before eating?

  1. In order to get rid of poison
  2.  Removing germs
  3. Removing sap
  4. Removing smell
  5. Removing salty taste
Choose Answer :

20.Which part in the digestive system concerned with protein digestion

  1. Mouth
  2. Small intestines
  3. Large intestines
  4. Oesophagus
  5. Stomach
Choose Answer :

21.What are the diseases caused by malnutrition?

  1. Marasmus, kwashiorkor, tickets
  2. Obesity, diabetes, coughing and dysentery
  3.  Marasmus, kwashiorkor, paralysis and yellow fever        
  4. Rickets, trachoma and marasmus 
  5.  Bilharzia, Malaria, tuberculosis and rickets
Choose Answer :

22.What does a person loose most when he has diarrhoea?

  1. Air
  2. Water
  3. Proteins
  4. Carbohydrates
  5. Vitamins
Choose Answer :

23.Which of the following nutrients are more suitable to children under five years?

  1. Carbohydrates, water and proteins
  2. Proteins, vitamins and salt
  3. Salt, proteins and water
  4. Vitamins, carbohydrates and water
  5. Carbohydrates, water and salt
Choose Answer :

24.Which among the following diseases is caused by bacteria?

  1. Pressure
  2. Tuberculosis
  3. HIV/ AIDS
  4. Bilharzia
  5. Diabetes
Choose Answer :

25.Which among the following groups of things are found in the fire engine?

  1. Fuel tank, carbon dioxide gas, and water
  2. Water tank, carbon dioxide gas,and oxygen
  3. Fire brigade, water and carbon dioxide
  4. Water tank, a tank of coal and acetylene gas
  5. Water tank, a tank mixes of gases and big coats
Choose Answer :

26.Which of the following sentences gives a clear meaning of first aid?

  1. An immediate aid rendered to a person before taking him to hospital
  2. An immediate aid rendered to a person after reaching him to hospital
  3. An immediate aid rendered to a person by a health professional
  4. An aid rendered to a person whon has fainted
  5. An aid rendered to a person who has been bitten by a snake
Choose Answer :

27.What would you do if you happened to see clothes worn by your friend on fire?

  1. Applying him with oil
  2. Putting water on the wounds
  3. Covering him with a heavy blanket or a heavy cloth
  4. Blowing him with oxygen
  5. Undressing him the burnt clothes
Choose Answer :

28.Which of the following behaviours do not contribute to the spread of HIV AIDS?

  1. Sexual intercourse, drunkenness and breast feeding
  2. Sharing syringes and transfusion of contaminated blood
  3. Shaking hands, playing and eating together
  4. Poor education about HIV Aids and sex
  5. Prostitution and drug abuse
Choose Answer :

29.Why do people living with HIV AIDS need foods with a lot of nutrients?

  1. Their disease is a long term disease 
  2. Their life is short so they need enough fats
  3. They frequently feel hungry
  4. They need to strengthen their body  immunity
  5. They need to be fat in order to avoid stigma from people
Choose Answer :

30.The rightest way to diagnose a person with HIV/ AIDS is by

  1. Testing Tuberculosis
  2. Testing the body temperature
  3. Testing the reduction of body weight
  4. Checking whether he has wounds in the mouth and face
  5. Testing the level of immunity in the body
Choose Answer :

31.Which action among these proves that air occupies space in the environment?

  1. Breathing through the mouth and nose
  2. Air bubbles from a bottle of water immersed in the water
  3. Long time coughing
  4. Moisture passing through the air 
  5. Dropping a stone into an overflowing can .
Choose Answer :

32.Observe the diagram below (diagram 1) then answer the question that follows

                (ii)      (iii)       (iv) (v)

Which among the following diagram shows the characteristic of light passing through water?

  1. ii
  2. iv
  3. iii
  4. i
  5. v
Choose Answer :

33.  What will happen if a glass fun water and covered with a glass cover is turned upside down?

  1. Water will pour down
  2. The cover will drop down
  3. The glass will break
  4. Water will not spill
  5. Water will spill out
Choose Answer :

34.  What is the main step that follows after discovering a problem in scientific investigation?

  1. Starting a deep investigation
  2. Formulating a hypothesis
  3. Preparing a procedure
  4. Preparing a scientific experiment
  5. Collecting information and data
Choose Answer :

35.  Which is the correct procedure for writing a scientific report?

  1. Objective, Procedure, materials. results, conclusion
  2. Materials, aim, procedure, results conclusion
  3. Procedure, aim, materials, conclusion, materials
  4. Procedure, aim, conclusion, results materials
  5. Aim, materials, procedure, results conclusion
Choose Answer :

36.  How can iron be prevented from rusting?

  1. By applying ash
  2. By washing it using water
  3. By painting it
  4. By covering it with mud
  5. By covering it with sooth
Choose Answer :

37.Which  among  the following combinations is pure metal

  1. Chlorine, zinc, diamond and gold
  2. Iron, carbon, nitrogen and oxygen
  3. Oxygen, zinc, sulphur and chlorine
  4. Copper, iron, carbon monoxide and zinc
  5. Gold, zinc, aluminium and silver
Choose Answer :

38.   Which of the following is an example of an element?

  1. Water
  2. Salt
  3. Vapour
  4. Sugar
  5. Carbon dioxide
Choose Answer :

39.   Clouds falling down nearing the earth surface are known as

  1. Mist
  2. Salt
  3. Hydrogen
  4. Ice
  5. Rain
Choose Answer :

40.   Observe the following diagram  (diagram 2), then answer the following question

Letter P represents

  1. .Perpendicular light
  2. Reflected light
  3. Bent light
  4. Straight light 
  5.  Parallel light
Choose Answer :

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