Questions and answers: Science

Q&A Categories

• History and Government
• Christian Religious Education (CRE)
• IRE
• Mathematics
• Physics
• Biology
• Geography
• Chemistry
• English
• English Literature
• Commercial and Administrative Law
• Business Studies
• Diploma in ECDE
• Certificate in ECDE
• Computer Studies
• Computer Science
• Kiswahili
• Agricuture
• Home Science
• Accounting
• Economics
• CPA Financial Accounting
• CPA Commercial Law
• Entrepreneurship and Communication
• CPA Quantitative Analysis
• CPA Economics
• CPA Company Law
• CPA Financial Management
• CPA Taxation
• CPA Cost Accounting
• CPA Financial Reporting
• CPA Advanced Financial Reporting
• CPA Auditing and Assurance
• CPA Advanced Taxation
• CPA Management Information Systems
• CPA Advanced Auditing and Assurance
• CPA Strategy, Governance and Ethics
• CPA Advanced Management Accounting
• CPA Advanced Financial Management
• ATD Information Communication Technology
• ATD Auditing
• ATD Financial Accounting
• ATD Principles of Management
• ATD Business Mathematics
• ATD Business Mathematics
• PTE Home Science
• ATD Fundamentals of Finance

207 Questions  View: All | Solved | Unsolved

Search Results...

• How many premolars does an adult have? A. 8 B. 12 C. 4 ...(Solved)
  

  How many premolars does an adult have? A.8 B. 12 C. 4 D. 6

  Date posted: October 16, 2019.  

• Std 5 pupils of Gachiriro Primary were asked to bring the following materials in their class. Thread, a thin-walled grass bottle, a scale, ink, water,...(Solved)
  

  Std 5 pupils of Gachiriro Primary were asked to bring the following materials in their class. Thread, a thin-walled grass bottle, a scale, ink, water, a wooden stand, inner tube of a biro pen and a cork. What weather instrument did they intend to make A. Liquid thermometer B. Barometer C. Air thermometer D. Rain gauge

  Date posted: October 16, 2019.  

• The instrument is used to measure. A. Force B. Mass C. Weight D. Density(Solved)
  

  The above instrument is used to measure A. Force B. Mass C. Weight D. Density

  Date posted: October 16, 2019.  

• The snail, the slug, the octopus and the oyster belong to a group of animals called. A. Molluses B. Worms C. Reptiles D. Amphibians(Solved)
  

  The snail, the slug, the octopus and the oyster belong to a group of animals called. A. Molluses B. Worms C. Reptiles D. Amphibians

  Date posted: October 16, 2019.  

• The gas marked X cannot be used for.(Solved)
  

  The gas marked X cannot be used for. A. Preserving soft drinks B. Making fire extinguishers C. Germination of seeds D. Making food for plants

  Date posted: October 16, 2019.  

• The heat is reaching the hand above by a process called A. Convection B. Radiation C. Conduction D. Condensation(Solved)
  

  The heat is reaching the hand above by a process called. A. Convection B. Radiation C. Conduction D. Condensation

  Date posted: October 16, 2019.  

• The diagram below demonstrates that(Solved)
  

  The diagram below demonstrates that A. Solids expands when heated B. Wind is air in motion C. Wires can sag D. Air expands when heated

  Date posted: October 16, 2019.  

• The boy below is suffering from a certain disease.(Solved)
  

  The boy below is suffering from a certain disease. How can the disease be treated? A. Eating enough food B. Eating food rich in proteins C. Eating food rich in vitamin D D. Eating food rich in iron

  Date posted: October 16, 2019.  

• Study the diagram below.(Solved)
  

  Study the diagram below. The force acting at Y is known as. A. magnet attraction B. Inertia C. Magnetic repulsion D. Magnetic force

  Date posted: October 16, 2019.  

• Three of the following are poor conductors of electricity except. A. Wood B. Rubber C. Nail D. Plastic(Solved)
  

  Three of the following are poor conductors of electricity except. A. Wood B. Rubber C. Nail D. Plastic

  Date posted: October 16, 2019.  

• In which water storage facility can you get the coolest water for drinking? A. Drum B. Bucket C. Tank D. Pot(Solved)
  

  In which water storage facility can you get the coolest water for drinking? A. Drum B. Bucket C. Tank D. Pot

  Date posted: October 16, 2019.  

• The following are reasons why animals should be fed on a balanced diet except. A. For proper growth B. Maximum production C. Protection against disease D. To prevent internal...(Solved)
  

  The following are reasons why animals should be fed on a balanced diet except. A. For proper growth B. Maximum production C. Protection against disease D. To prevent internal parasites

  Date posted: October 16, 2019.  

• The following are adaptions of plants:- (i) Thick waxy cuticle (ii) Flexible stems (iii) Air sacs (iv) Thin cuticle (v) Silvery hairs Which one of the following refers to adaptation of...(Solved)
  

  The following are adaptions of plants:- (i) Thick waxy cuticle (ii) Flexible stems (iii) Air sacs (iv) Thin cuticle (v) Silvery hairs Which one of the following refers to adaptation of hydrophytes A. iii, iv, ii B. i, iii, v C. ii, iii, v D. iii, iv, v

  Date posted: October 16, 2019.  

• If a person swallows some maize seeds accidentally while eating in a hurry, the same seeds can be seen in his faeces but if he...(Solved)
  

  If a person swallows some maize seeds accidentally while eating in a hurry, the same seeds can be seen in his faeces but if he swallows a piece of meat it cannot be seen in his faeces. Which reason BEST explains this observation. A. The maize seeds are hard to be rolled into boluses B. Digestion of starch takes place in the mouth while proteins are digested in the stomach. C. Meat is softer than maize D. Digestion of starch takes place in the small intestine

  Date posted: October 16, 2019.  

• The force of gravity is caused by:- A. Earth’s rotation B. Distance from the sun C. Revolution ...(Solved)
  

  The force of gravity is caused by:- A. Earth’s rotation B. Distance from the sun C. Revolution D. The earth’s tilting

  Date posted: October 16, 2019.  

• A certain farmer planted rhodes grass, lucerne and desmodium on a piece of land. When it was ready he allowed the animals to graze on...(Solved)
  

  A certain farmer planted rhodes grass, lucerne and desmodium on a piece of land. When it was ready he allowed the animals to graze on ten rows of the pasture at a time. The method of grazing he practised is. A. Herding B. Strip grazing C. Zero grazing D. Tethering

  Date posted: October 16, 2019.  

• Three of the following statements show that pressure in liquids increase in depth except. A. The tap is constructed near the bottom of the tank B. The...(Solved)
  

  Three of the following statements show that pressure in liquids increase in depth except. A. The tap is constructed near the bottom of the tank B. The tank is thicker towards the bottom C. The walls of a dam are thicker towards the bottom D. Holes made on all sides pour water at the same time

  Date posted: October 16, 2019.  

• Amina kept water in a refrigerator and it changed into ice. Which of the following is correct about the ice. A. It increased in size B. It...(Solved)
  

  Amina kept water in a refrigerator and it changed into ice. Which of the following is correct about the ice. A. It increased in size B. It took the shape of the container C. The mass increased D. The temperature increased

  Date posted: October 16, 2019.  

• The following are nutrients needed by plants. Which one of the following is a macro nutrient? A. Copper B. Iron C. Zinc ...(Solved)
  

  The following are nutrients needed by plants. Which one of the following is a macro nutrient? A. Copper B. Iron C. Zinc D. Calcium

  Date posted: October 16, 2019.  

• Which group of plants below consists of green non-flowering plants? A. Maize, sugar cane, rice B. Mucor, bracket tree, lichens C. Grass, liverworts, millet D. Fern, moss, cypress(Solved)
  

  Which group of plants below consists of green non-flowering plants? A. Maize, sugar cane, rice B. Mucor, bracket tree, lichens C. Grass, liverworts, millet D. Fern, moss, cypress

  Date posted: October 16, 2019.  

• Which one of the machines below has the position of effort between the load and the fulcrum. A. Tin opener B. Door hinges C. Spade D. Garlic crasher(Solved)
  

  Which one of the machines below has the position of effort between the load and the fulcrum. A. Tin opener B. Door hinges C. Spade D. Garlic crasher

  Date posted: October 16, 2019.  

• Class seven pupils did the following experiment while separating mixtures.(Solved)
  

  Class seven pupils did the following experiment while separating mixtures. The process of separating moistures shown involves. A. Boiling and evaporation B. Evaporation and condensation C. Filtering and freezing D. Decanting and condensation

  Date posted: October 16, 2019.  

• Ahmed made a rain gauge and dug a hole in the ground to place it. The reason why he dug it into the ground is...(Solved)
  

  Ahmed made a rain gauge and dug a hole in the ground to place it. The reason why he dug it into the ground is to. A. Collect a large amount of rain water B. Prevent water from the ground from splashing into the funnel C. Reduce the rate of evaporation D. Reduce its visibility

  Date posted: October 16, 2019.  

• The experiment below was done by class 5 pupils to investigate conduction of heat in different solid.(Solved)
  

  The experiment below was done by class 5 pupils to investigate conduction of heat in different solid. They took the temperature of the water in different bowls. The temperature was lowest in the A. Metal bowls B. Clay bowl C. Wooden bowl D. Plastic bowl

  Date posted: October 16, 2019.  

• The following are ways of preserving foods. Which one is wrongly matched with the process it uses to preserve the foods? A. Salting - Keeps meat...(Solved)
  

  The following are ways of preserving foods. Which one is wrongly matched with the process it uses to preserve the foods? A. Salting - Keeps meat and fish dry by removing moisture B. Smoking - Smoke keeps off flies and dries the food. C. Low temperatures - Kill the bacteria when temperatures are below 0 degrees C D. Canning - Uses heat to destroy bacteria and enzymes

  Date posted: October 16, 2019.  

• Air pollution cannot be caused by. A. Burning plastic materials B. Gasses emmitted from vehicle exhaust. C. Excessive use of chemical fertilisers D. Aerosol sprays(Solved)
  

  Air pollution cannot be caused by. A. Burning plastic materials B. Gasses emmitted from vehicle exhaust. C. Excessive use of chemical fertilisers D. Aerosol sprays

  Date posted: October 16, 2019.  

• Which of the following livestock pests can be controlled by dosing. A. Ticks, lungworms, mites B. Liverflukes, tapeworms, hookworms C. Fleas, roundworms, lice D. Tsetseflies, wireworms, nostrilfly(Solved)
  

  Which of the following livestock pests can be controlled by dosing. A. Ticks, lungworms, mites B. Liverflukes, tapeworms, hookworms C. Fleas, roundworms, lice D. Tsetseflies, wireworms, nostrilfly

  Date posted: October 16, 2019.  

• The following are characteristics of some flowers Makhoha saw on his way to school.(Solved)
  

  The following are characteristics of some flowers Makhoha saw on his way to school. (i) anthers are firmly attached to the filament (ii) the petals are green in colour (iii) The stigma is hairly and branched (iv) have loosely attached pollen grains (v) Small flowers appear in groups Which combination shows flowers which are pollinated by insects? A. ii, iv B. ii, v C. iii, iv D. i, v

  Date posted: October 16, 2019.  

• Below are ways in which a certain disease is transmitted - coughing, sneezing, kissing, sharing personal items. The disease described is A. Tuberculosis B. Malaria C....(Solved)
  

  Below are ways in which a certain disease is transmitted - coughing, sneezing, kissing, sharing personal items. The disease described is A. Tuberculosis B. Malaria C. Measles D. Diptheria

  Date posted: October 16, 2019.  

• Study the diagram below showing an excretory organ.(Solved)
  

  Study the diagram below showing an excretory organ. The part labelled P is called A. Renal artery B. Urinary bladder C. Urethra D. Ureter

  Date posted: October 16, 2019.