STD VII SCIENCE ONLINE SELF NECTA TEST FOR YEAR 2017

Choose the correct answer and shade its letter beside each question number in the answer sheet provided.

1.  Which of the following characteristics enable birds to fly in the air?

  1. Soft bones with features
  2.  slim bones with a hollow inside
  3. Jointed bones
  4.  have many bones
  5. wing bones are stronger
Choose Answer :


2.The main groups of living things are:-

  1.  Plants and birds
  2.  plants and lizards 
  3.  animals and leaves 
  4.  plant and animals
  5. animals and bacteria.
Choose Answer :


3.        Which of the following are types of seed, which are self dispersing?

  1. Coconut and cotton
  2. Cowpea and pigeon pea
  3. Cowpea and pawpaw
  4. Mango and guava
  5. Orange and pigeon pea
Choose Answer :


4.        Observe figure number 1, then choose the answer which has the correct arrangement of the indicated parts A -D



  1. Fibres, yellow bone marrow; red bone marrow, cartilage
  2. Red bone marrow, cartilage, yellow bone marrow, tendons 
  3.  Tendons, cartilage, red bone marrow, yellow bone •marrow 
  4.  Cartilage, tendons,yellow bone marrow, red bone marrow 
  5. Yellow bone marrow, cartilage, tendons, red bone marrow
Choose Answer :


5.     Observe figure number 2 and then answer the question which follows

  1. Reflection
  2.  Penetration  
  3. diversion
  4.  converging
  5.  dispersion
Choose Answer :



The device in figure 2 uses which characteristic of light?

6.     Which diseases are prevented by vaccination?

  1. Measles and whooping cough
  2. bilharzias and malaria
  3. diarrhea and diphtheria
  4. AIDS and diabetes
  5. tuberculosis and chicken pox
Choose Answer :


7.     What is an important thing pregnant woman should observe?

  1. Eat a lot of starch when she is approaching the expected date
  2.  perform tough tasks order to be strong
  3.  attend clinic    and balanced diet
  4.  sleep frequently
  5.  use perfumed soaps always
Choose Answer :


8. A disease which results from respiratory system problem is

  1. Asthma 
  2. severe malaria
  3. fainting 
  4. epilepsy
  5. diabetes
Choose Answer :


9.What will happen if the nervous system stops functioning?

  1. person will start shivering
  2. A person will feel weak
  3. A person will feel severe body pains
  4. there will be no communication in the body
  5. A person will start losing weight
Choose Answer :


10.          One of the symptoms of kwashiorkor is

  1. the face resembles that of an old man
  2. White eyes and flue
  3.  Neck gland enlargement
  4. Feeling cold and vomiting
  5.  Big stomach and swelling  of legs
Choose Answer :


11.          Family planning methods which are more safe for the health of the mother are 

  1.  loops and injection
  2. natural methods      
  3.   injection and pills
  4. pills and condom
  5.  condom and injection
Choose Answer :


11.          Family planning methods which are more safe for the health of the mother are 

  1.  loops and injection
  2. natural methods      
  3.   injection and pills
  4. pills and condom
  5.  condom and injection
Choose Answer :


13.          A person who suffered an electric  shock can be assisted by the use of

  1. legs
  2. iron bar
  3.  dry wood 
  4. hands
  5. wet wood
Choose Answer :


14.  Two clean pieces of wood wrapped on the part of broken bone help to

  1.  Prevent bleeding
  2. give heat to the wound
  3.  support the broken part
  4. cure the broken part
  5.  join the broken part
Choose Answer :


15.          The gas used to extinguish fire is

  1. Hydrogen
  2.  carbon dioxide
  3.  nitrogen
  4. carbon
  5. Oxygen
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16.          HIV is not transmitted by

  1. Sexual intercourse
  2. sharing needle
  3. mosquito bite
  4. sharing razor blade
  5.   blood transfusion
Choose Answer :


17.The relationship between sexually transmitted diseases and AIDS is that

  1. it is easy to get HIV if you have sexually transmitted diseases
  2. Sexually transmitted diseases are the same as AIDS
  3. Drugs that cure sexually transmitted diseases 
  4. are transmitted through sexual intercourse only
  5. Sexually transmitted diseases  and AIDS can be cured
Choose Answer :


18. Which of the following sentences has the correct meaning of AIDS?

  1.  Loss of body immunity
  2.  high body immunity
  3.  absence of body immunity
  4. deficiency of body immunity
  5. ability of body immunity
Choose Answer :


19.       One of the methods of reducing  HIV transmission is

  1. To reserve area for people living with HIV
  2. To avoid sharing food utensils with people living with HIV
  3. To eat balanced diet and drink safe water
  4. to change behaviours and avoid unprotected sex
  5. To perform physical exercises
Choose Answer :



20.       Why things thrown in the  air fall down?

  1. Because of weight
  2. Because of force of friction 
  3. because of force of air
  4.  because of force of planets
  5. because of force of gravity
Choose Answer :


21.       The relationship between magnet and electricity is

  1. The source of magnet is atomic energy
  2. Electricity resist magnetism 
  3. Wherever there is magnet, there is electricity
  4. Wherever there is electricity, there is magnetism 
  5.  Magnetism resist electricity
Choose Answer :


21.       The relationship between magnet and electricity is

  1. The source of magnet is atomic energy
  2. Electricity resist magnetism 
  3. Wherever there is magnet, there is electricity
  4. Wherever there is electricity, there is magnetism 
  5.  Magnetism resist electricity
Choose Answer :


23. The unit measure of force is

  1. Meter    
  2. Kilogram 
  3.  Joule
  4. Kilometer 
  5.  Newton
Choose Answer :


24. Which instrument is used to measure a human body temperature?

  1.  Thermometer
  2.  galvanometer
  3. ammeter
  4. balance
  5. voltmeter
Choose Answer :


25. The following are source of electricity except

  1.  Battery
  2.  dry cell
  3.  bulb
  4. generator 
  5. magnet
Choose Answer :


26. What is the meaning of friction? 

  1. . A force which produce motion
  2. A force which stops motion
  3. a force which accelerates motion
  4.  a force opposite to motion
  5.  an incident force
Choose Answer :


27.Which of the following lists of materials are in the group of complex machines?

  1. padlock, hammer and scissors 
  2.  wheelbarrow, razor blade and hammer
  3.  a razor blade, padlock and a bicycle
  4.  a sewing machine, pad Jock and a bicycle 
  5.  a razorblade, padlock and a wheelbarrow
Choose Answer :


28.  Records of experiments are important because they are used to do the following except

  1. to compare the results of one experiment and others
  2. to give information of the experiment
  3.  to be used as reference by other experts
  4.  to enable other experiment s to be conducted
  5. to issue unconfirmed reports
Choose Answer :


28.  Records of experiments are important because they are used to do the following except

  1. to compare the results of one experiment and others
  2. to give information of the experiment
  3.  to be used as reference by other experts
  4.  to enable other experiment s to be conducted
  5. to issue unconfirmed reports
Choose Answer :


30.       In order to come up with hypothesis for a scientific experiment there must be

  1. An experiment
  2.  some data
  3.  report
  4. an apparatus
  5. a problem
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31.       In a lever, a load of 50kg was put 3 meters from the fulcrum. What is the distance required from the fulcrum to put an effort 20kg in order to balance the lever?

  1.  1.6 m
  2. 6.7 m
  3. 7.5 m
  4.  2.5 m
  5. 3 m
Choose Answer :


32.       Blood deficiency is caused by

  1. Decrease of white cells, iron and vitamin
  2. Decrease of vitamin, protein and plasma
  3. Increase of water in the body, decrease of iron and protein 
  4.  Increase of platelets, iron and vitamin
  5. Decrease of iron, vitamin, and protein.
Choose Answer :


33.       Light rays travelling in a straight line strike on object and land on a mirror. What will be characteristic of the object, which appear in the mirror?

  1. the image will be upright
  2.  the image will be coloured
  3.  the image will be inverted
  4.  the image will be the same as the object
  5.  the image will be bigger than the object
Choose Answer :


34.       A person whose diet lacks iodine is likely to get the diseases called

  1. Beriberi 
  2.  goiter
  3.  anaemia
  4.  trachoma
  5.  rickets
Choose Answer :


35.       Elements found in the table salt are

  1. potassium and chlorine 
  2. sodium and chlorine
  3. potassium and sodium
  4. sodium and sulphur
  5. calcium and magnesium    
Choose Answer :


36. Zuzu dipped a stone in a  bucket full of water. About   5000 cm3 of water spilled out. Which principle is correct about this scientific action?

  1. Water which spilled out is the same as the water that remained in the bucket.
  2. the volume of stone is the same as the volume of water which is spilled out
  3. water which spilled out is heavier than the stone 
  4. the stone is heavier than the water which spilled out 
  5. water spilled out and stone have the same mass 
Choose Answer :


37. Night blindness is caused by lack of;

  1. vitamin K 
  2. vitamin A
  3. vitamin E
  4. vitamin C
  5.  vitamin B
Choose Answer :


38. Matter is made up of many small particles known as

  1. Valency
  2. compound
  3. element
  4. atom
  5. molecule
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39. The amount of vapour in the air is measured by;

  1. barometer
  2. hydrometer
  3. anemometer
  4. ammeter
  5. thermometer
Choose Answer :


     40. In order for iron to get rust, It requires humidity and;

  1. hydrogen
  2. carbon
  3. neon
  4. oxygen
  5. nitrogen
Choose Answer :


41.       What are the results of oxidation of glucose in the blood?

  1.  water, oxygen and heat water, 
  2. heat and carbon monoxide energy, 
  3. Water and carbon dioxide dew,
  4.  heat and carbon dioxide
  5. oxygen, energy and sweat
Choose Answer :


42.       In order to crystallize salt from water, the water must be

  1. frozen
  2. vapourized
  3.  cooled 
  4. boiled
  5.  poured
Choose Answer :


43.The scientific experiment carried in order to verify the truth of the results another ongoing scientific experiment is known as

  1. special experiment
  2. reference experiment
  3.  control experiment
  4. model experiment
  5. concluding experiment
Choose Answer :


44.       The function of the bile in the digestive system is 

  1. to kill germs
  2. to dissolve proteins
  3.  to break down fats
  4. dissolve starch
  5.   to absorb water
Choose Answer :


45.   Which of the following food is mostly rich in starch?

  1. mango
  2. potatoes
  3.  soya bean
  4.  groundnut
  5. fish
Choose Answer :


46.       Which organs are strengthened by calcium mineral and vitamin

  1. tongue and nose
  2. skin and stomach
  3. bones and teeth    
  4.  lungs and liver
  5. kidney and bladder
Choose Answer :


47.       Which of the following is not part of blood?

  1. salts
  2.  white cells
  3. platelets
  4. red cells
  5.  plasma
Choose Answer :


48.       When  carbon dioxide combines chemically in a plant with water in the presence of light energy it gives

  1. carbon dioxide and water
  2.  carbohydrate and oxygen
  3. carbohydrate and heat
  4. carbohydrate and chlorophyll
  5.  carbohydrate and carbon hydroxide
Choose Answer :


49. The type of worms which spread elephantiasis is  known as

  1. Ascaris
  2.  tape worms
  3. filarial
  4. millipede
  5. bacteria
Choose Answer :


50. The part of plant which absorb water is called

  1. stem
  2. branch
  3. root
  4. flower
  5. Ieaf
Choose Answer :


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