Agriculture Questions and Answers - Grade 7 Opener Exams Term 1 2023 Set 1

QUESTIONS

1. Name the types of soil erosion marked X and Y in the diagram below. (2mks)
   
2. Identify two agents of soil erosion. (2mrks)
3. State two activities that increase the rate of soil erosion. (2mrks)
4. List two safety precautions that should be observed while carrying out an experiment demonstrating how soil erosion occurs. (2mks)
5. State two functions of the cut-off drains? (2mks)
6. Explain two importance of soil conservation. (2mks)
7. What is a seedbed? (2mks)
8. Name the types of seedbeds shown below. (2mks)
   
   _________________________
    
   _________________________
9. Name two types of crops that can be grown in a seedbed? (2mks)
10. What are deterrents? (1mks)
11. Identify three types of deterrents that can be used to keep off wild animals. (3mks)
12. List two safety precautions to be observed while fencing using dry thorny branches? (2mks)
13. Name two materials which are required when fencing using wire mesh. (2mks)
14. Name three animals that can be prevented by use of a safe trap? (3mks)
15. State two ways by which innovative lights are used to scare birds. (2mks)
16. Name three small wild animals that you have ever seen in your locality? (3mks)
17. List three importance of the small wild animals you have listed in question 16 above? (3mks)
18. Anita, a grade 7 student keeps some poultry at home as shown below.
    
    State three routine practices she most likely use? (2mks)
19. What is a creeping crop. (3mks)
20. The diagram below shows a creeping crop.
    
    Name two examples of such crops (2mks)
21. State three soil pollutants. (3mks)
22. Discuss three farming practices that pollute soil? (3mks)

MARKING SCHEME

1.  
   • X - Gulley
   • Y - Rill
2.  
   1. Water
   2. Wind
   3. Moving
3.  
   1. Animal activities
   2. Human activities
   3. Types of soil
   4. rainfall
   5. Slopes
4.  
   1. Clean your working space
   2. Dispose off the soil appropriately
   3. Take care not to splash water or mud to your classmates
5.  
   1. They hold water
   2. They leas wateraway rom farming land
   3. Prevent water from flowing into farms
   4. Prevent soil erosion
6.  
   1. To maintain soil fertility
   2. To increase quantity of crop produce 
   3. To increase quality of crop produce
7. A piece of land for growing crops 
8.  
   1. Sunken seedbed/sunken bed
   2. Shallow pit
9.  
   1. vegetables eg kales
   2. cereals eg maize
   3. Tubers eg carrots (accept example)
10. Items that keep off wild animals from our farms or homes
11.  
    1. fence
    2. traps
    3. deflectors
    4. innovative sound devices
12.  
    • Wear protective clothes eg gloves
    • Lift thorny branches using sticks
    • Be careful to avoid being pricked (or any other relevant)
13.  
    1. Wiremesh
    2. wooden posts
    3. A panga
    4. Ahammer
    5. nails (or any other relevant)
14.  
    1. Birds
    2. Mice
    3. Beavers
    4. Hares
    5. rats (or any other correct)
15.  
    1. Hanging reflective materials
    2. Hanging torches
    3. Using solar light
16.  
    1. Birds
    2. Squirrells
    3. hares
    4. wild cats
    5. monkeys
    6. hedgehog
    7. mongoose
    8. moles (any other)
17.  
    1. Birds damage the seeds of cereals and ripe fruits eg mousebird
    2. Some birds feed on young chicks eg eagles
    3. Squirrel cat grains of maize
    4. Mongoose eat chicken and scare them
    5. Monkeys eat small domestic animals
18.  
    1. feeding
    2. watering
    3. cleaning tools and equipment 
    4. Maintaining appropriate number
    5. parasite control
    6. veterinary care
19. Crops that grow along the ground or Plants that have a weak stem and spread on the ground.
20.  
    1. watermelons
    2. pumpkins
    3. strawberries
    4. cucumber
    5. Calabash
21.  
    1. Wrongly disposed plastic wastes
    2. Excessive agricultural chemical
    3. Wrongly disposed chemical containers
22.  
    1. Use of wrong artificial fertilisers/ chemicals
    2. Use of wrong amount of artificial fertilisers/chemicals
    3. Inorganic farming
    4. Dumping plastic wastes
    5. dumping used chemical containers 
    6. Excessive use of chemicals