Constructing a Moist Bed Garden

20 Grade 6 Agriculture questions on Constructing a Moist Bed Garden, with worked marking schemes. 20 questions are available on this topic in full.

1. Question 1

   4 marks

   State four materials or tools needed when constructing a moist bed garden.

   (4 marks)

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2. Question 2

   6 marks

   Explain three reasons why mulch is applied to a moist bed garden.

   (6 marks)

   Marking scheme

   Any 3 well explained (2 mks each): reduces evaporation so the soil stays moist longer; suppresses/controls weeds by blocking light; protects the soil from the direct force of raindrops and erosion; keeps soil temperature moderate; rots to add nutrients/organic matter to the soil. 1 mk for reason, 1 mk for explanation.

3. Question 3

   1 mark

   Before planting seeds in a moist bed garden, the soil should first be

   A. Left hard and unworked

   B. Poured with paraffin

   C. Covered with tarmac

   D. Dug, levelled and mixed with manure

   (1 mark)

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4. Question 4

   1 mark

   Weeds should be removed from a moist bed garden because they

   A. Keep the soil moist

   B. Make the vegetables grow faster

   C. Compete with vegetables for water and nutrients

   D. Add nutrients to the soil

   (1 mark)

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5. Question 5

   1 mark

   Which of these vegetables is well suited to a moist bed garden?

   A. Pine tree

   B. Cactus

   C. Spinach

   D. Sisal

   (1 mark)

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6. Question 6

   3 marks

   Give three reasons why a moist bed garden should be located near a source of water.

   (3 marks)

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7. Question 7

   1 mark

   A moist bed garden should be located in a place that is

   A. Under a leaking roof

   B. Far from any water

   C. Near a water source for easy watering

   D. On a busy road

   (1 mark)

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8. Question 8

   5 marks

   Explain two ways a moist bed garden helps a family, and state one challenge the family may face in maintaining it.

   (5 marks)

   Marking scheme

   Two benefits (2 mks each): supplies fresh vegetables/food near the home improving the family's diet; can provide extra income when surplus is sold; makes good use of a small space near the home. One challenge (1 mk): keeping it watered/moist during dry seasons; controlling pests and diseases; controlling weeds; shortage of manure. Award to a maximum of 5.

9. Question 9

   1 mark

   Mulching a moist bed garden helps to

   A. Make the soil hard

   B. Increase weeds in the bed

   C. Reduce loss of water through evaporation

   D. Chase away all insects permanently

   (1 mark)

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10. Question 10

    4 marks

    Describe four steps you would follow to construct a moist bed garden for growing vegetables.

    (4 marks)

    Marking scheme

    Any 4 ordered steps (1 mk each): choose a suitable site near a water source; clear the site of weeds and rubbish; dig/loosen the soil with a jembe and level it; mix in well-rotted manure/compost; make the bed to size and shape; sow the seeds; water gently; apply mulch. Accept any four correct steps.

11. Question 11

    1 mark

    Which tool is suitable for digging and preparing a moist bed garden?

    A. A pair of scissors

    B. A cooking pot

    C. A wheelbarrow only

    D. A jembe (hoe)

    (1 mark)

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12. Question 12

    2 marks

    Why should seeds in a newly made moist bed garden be watered gently using a watering can with fine holes rather than pouring water directly? Give two reasons.

    (2 marks)

    Marking scheme

    Any 2 (1 mk each): a strong flow would wash away or displace the seeds; gentle watering does not disturb the levelled soil surface; fine watering spreads water evenly without forming gullies; prevents compacting/eroding the bed.

13. Question 13

    1 mark

    A moist bed garden is mainly used to grow

    A. Grass for grazing cattle

    B. Vegetables that need constant moisture

    C. Large trees for timber

    D. Maize on a big farm

    (1 mark)

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14. Question 14

    1 mark

    Adding well-rotted manure to a moist bed garden is important because it

    A. Makes the soil dry faster

    B. Attracts thieves to the garden

    C. Kills all the crops

    D. Adds nutrients and helps the soil hold water

    (1 mark)

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15. Question 15

    3 marks

    Kilonzo mixes well-rotted manure into the soil before making his moist bed garden.

    (a) State two benefits of adding manure.

    (b) Name one other soil improver he could use.

    (3 marks)

    Marking scheme

    (a) Any 2 benefits (1 mk each): adds nutrients for healthy plant growth; improves the soil's ability to hold water/moisture; improves soil structure/aeration. (b) One improver (1 mk): compost / green manure / decomposed organic matter.

16. Question 16

    1 mark

    Which of the following materials is used to keep a moist bed garden damp?

    A. Polythene sheet only

    B. Mulch such as dry grass

    C. Broken bricks

    D. Pieces of glass

    (1 mark)

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17. Question 17

    1 mark

    The word 'moist' in a moist bed garden refers to the soil being

    A. Covered in stones

    B. Flooded with water

    C. Completely dry

    D. Slightly wet / damp

    (1 mark)

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18. Question 18

    1 mark

    One advantage of a moist bed garden for a household is that it

    A. Grows only during floods

    B. Provides fresh vegetables near the home

    C. Needs no attention at all

    D. Uses no soil

    (1 mark)

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19. Question 19

    3 marks

    After constructing a moist bed garden, state three practices you would carry out to take care of the growing vegetables.

    (3 marks)

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20. Question 20

    1 mark

    After sowing seeds in a moist bed garden, the bed should be watered

    A. Gently, using a watering can with fine holes

    B. With a strong jet that washes seeds away

    C. Only once a month

    D. Never, to keep it dry

    (1 mark)

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