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The correct answer is (A) Washing vehicles in the river.
When we wash vehicles in the river, the vehicle oil will drain to the river causing respiration problems to the animals.
sharon kalunda answered the question on July 29, 2019 at 06:42
- 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)
- A component of air used for germination is also required for (Solved)
A component of air used for germination is also required for
A. burning substances.
B. preserving soft drinks.
C. making proteins.
D. making electric bulbs.
Date posted: July 29, 2019. Answers (1)
- In an experiment on mixing of liquids, water, cooking oil, fresh milk and kerosene were mixed two at a time. Cooking oil mixed well with(Solved)
In an experiment on mixing of liquids, water, cooking oil, fresh milk and kerosene were mixed two at a time. Cooking oil mixed well with
A. water and fresh milk.
B. water only.
C. fresh milk and kerosene.
D. kerosene only.
Date posted: July 29, 2019. Answers (1)
- Which one of the following pairs of substances is correctly grouped according to its characteristics?(Solved)
Which one of the following pairs of substances is correctly grouped according to its characteristics?
Date posted: July 29, 2019. Answers (1)
- Which one of the following pairs of materials are correctly matched with the heat transfer process that takes place in them?(Solved)
Which one of the following pairs of materials are correctly matched with the heat transfer process that takes place in them?
Convection Radiation
A. Water Vacuum
B. Air Iron
C. Glass rod Vacuum
D. Water Air
Date posted: July 29, 2019. Answers (1)