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The correct answer is (A) Changing the direction of the effort.
When the rope is pulled down the pulley turns and the flag goes up. This is because the pulleys changes the direction of the effort.
sharon kalunda answered the question on July 29, 2019 at 06:52
- The diagram below shows a simple machine with positions labelled E, F, G and H.
For the machine to make work easier the effort should be...(Solved)
The diagram below shows a simple machine with positions labelled E, F, G and H.
For the machine to make work easier the effort should be applied at point
A. E.
B. F.
C. G.
D. H.
Date posted: July 29, 2019. Answers (1)
- Which one of the following will increase the rate at which soil is carried away by running water?(Solved)
Which one of the following will increase the rate at which soil is carried away by running water?
A. Planting sweet potatoes.
B. Terracing the farm.
C. Cultivating along the slope.
D. Strip cropping.
Date posted: July 29, 2019. Answers (1)
- Which one of the following consists only of living components of the environment?(Solved)
Which one of the following consists only of living components of the environment?
A. soil, water, fern.
B. water, wind, mushroom.
C. mushroom, fern, moss.
D. moss, wind, soil.
Date posted: July 29, 2019. Answers (1)
- Which one of the following activities would cause a reduction in the number of animals in a river?(Solved)
Which one of the following activities would cause a reduction in the number of animals in a river?
A. Washing vehicles in the river.
B. Dumping human waste into the river.
C. Wild animals watering in the river.
D. Cutting trees from the river bank.
Date posted: July 29, 2019. Answers (1)
- The following are observations made on fertilizers and manures:
(i) Nutrients are readily released.
(ii) Have nutrients in specific amounts.
(iii) Improves soil structure.
(iv)...(Solved)
The following are observations made on fertilizers and manures:
(i) Nutrients are readily released.
(ii) Have nutrients in specific amounts.
(iii) Improves soil structure.
(iv) Benefits are long term.
Which two observations are for manure?
A. (i) and (ii).
B. (ii) and (iii).
C. (iii) and (iv).
D. (i) and (iv).
Date posted: July 29, 2019. Answers (1)
- Use of cover crops for conservation of soil will work in the same way as (Solved)
Use of cover crops for conservation of soil will work in the same way as
A. planting of trees.
B. mulching.
C. terracing.
D. contour farming.
Date posted: July 29, 2019. Answers (1)
- Which one of the following blood vessels carries blood from the left ventricle?(Solved)
Which one of the following blood vessels carries blood from the left ventricle?
A. Vena cava.
B. Pulmonary artery.
C. Aorta.
D. Pulmonary vein.
Date posted: July 29, 2019. Answers (1)
- A human zygote is formed in the (Solved)
A human zygote is formed in the
A. vagina.
B. cervix.
C. uterus.
D. oviduct.
Date posted: July 29, 2019. Answers (1)
- Which one of the following occurs in both adolescence boys and girls? (Solved)
Which one of the following occurs in both adolescence boys and girls?
A. Production of sex cells
B. Hips broaden.
C. Voice breaks.
D. Enlargement of breasts.
Date posted: July 29, 2019. Answers (1)
- Which one of the following parts of the breathing system warms the incoming air?(Solved)
Which one of the following parts of the breathing system warms the incoming air?
A. Nose.
B. Trachea.
C. Diaphragm.
D. Lung.
Date posted: July 29, 2019. Answers (1)
- The following are some parts of the human digestive system:
(i) Oesophagus.
(ii) Stomach.
(iii) Small intestines.
(iv) Large intestines.
In which two parts does digestion...(Solved)
The following are some parts of the human digestive system:
(i) Oesophagus.
(ii) Stomach.
(iii) Small intestines.
(iv) Large intestines.
In which two parts does digestion of food take place?
A. (i) and (ii).
B. (ii) and (iii).
C. (iii) and (iv).
D. (i) and (iv).
Date posted: July 29, 2019. Answers (1)
- The diagram below shows a bird's beak
The bird is likely to be(Solved)
The diagram below shows a bird's beak
The bird is likely to be
A. grain eater.
B. filter feeder.
C. flesh eater.
D. nectar feeder.
Date posted: July 29, 2019. Answers (1)
- Which one of the following methods controlling livestock parasites will control both roundworms and ticks?(Solved)
Which one of the following methods controlling livestock parasites will control both roundworms and ticks? A. Dipping.
B. Rotational grazing.
C. Spraying.
D. Clearing vegetation.
Date posted: July 29, 2019. Answers (1)
- Which one of the following characteristic is found in reptiles but NOT in birds?
A. A back bone.(Solved)
Which one of the following characteristic is found in reptiles but NOT in birds?
A. A back bone.
B. Scales.
C. Lungs.
D. Varying body temperature.
Date posted: July 29, 2019. Answers (1)
- The following are ways through which plants show interdependence EXCEPT(Solved)
The following are ways through which plants show interdependence EXCEPT
A. sharing food.
B. support.
C. provision of shelter.
D. provision of medicines.
Date posted: July 29, 2019. Answers (1)
- Which one of the following is NOT a condition for germination?(Solved)
Which one of the following is NOT a condition for germination?
A. Soil.
B. Oxygen.
C. Moisture.
D. Warmth.
Date posted: July 29, 2019. Answers (1)
- Which one of the following is a field pest? (Solved)
Which one of the following is a field pest?
A. Weevils.
B. Aphids.
C. White ants.
D. Rodents.
Date posted: July 29, 2019. Answers (1)
- The following features were observed on some plants.
(i) Deep roots.
(ii) Broad leaves.
(iii) Numerous stomata.
(iv).Thorns. Which two features are for plants found...(Solved)
The following features were observed on some plants.
(i) Deep roots.
(ii) Broad leaves.
(iii) Numerous stomata.
(iv).Thorns. Which two features are for plants found in dry areas?
A. (i) and (ii).
B. (ii) and (iii).
C. (iii) and (iv).
D. (i) and (iv).
Date posted: July 29, 2019. Answers (1)
- The diagram below shows parts of a flower.
Pupils made the following statements about the parts labelled W, X, Y and Z
(i) W produces nectar....(Solved)
The diagram below shows parts of a flower.
Pupils made the following statements about the parts labelled W, X, Y and Z
(i) W produces nectar.
(ii) X produces pollen.
(iii) Y transfers pollen.
(iv) Z allows pollen tube to germinate which two statements are correct?
A. (i) and (ii).
B. (ii) and (iv).
C. (iii) and (iv).
D. (i) and (iii).
Date posted: July 29, 2019. Answers (1)
- A mixture of sand salt and husk can be separated by?(Solved)
A mixture of sand salt and husk can be separated by?
A. dissolving, filtering and winnowing.
B. winnowing, dissolving, filtering and evaporating.
C. dissolving, filtering and evaporating.
D. picking, sieving, dissolving and filtering.
Date posted: July 29, 2019. Answers (1)