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


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