Basic Science

Len Academy Examination Questions for Basic Science, JSS3, 2nd Term

len Alfred Ajibola - Tue, 26th May, 2020 @ 06:33: AM

Topics in Basic Science

Len Academy Examination Questions for Basic Science, JSS2, 2nd Term Len Academy Examination Questions for Basic Science, JSS3, 3rd Term Len Academy Examination Questions for Basic Science, JSS3, 2nd Term Primates - Characteristics of Primates Effects of Improper Waste Management Waste Management: Causes of Waste Concept of Mass and Weight Sources, Functions and Deficiencies of Mineral Salts (Macro-nutrients) Sources, Functions and Deficiencies of Mineral Salts (Micro-nutrients) Len Academy questions for Basic Science JSS1, second Term Len Academy mid-term test questions for Basic Science JSS1, 2nd Term Micro organisms causing food, water and air borne Diseases Vectors - Examples of Vectors, Vector borne Organisms and the Diseases they cause Bones of the Human Skeleton Meaning of Drugs, Type of Drugs and Side effects of Drugs Immunization, Processes involved in immunization and its importance Food: Carbohydrates and Sugars Uniqueness of Man: Unique Characteristics of Man Waste Management: Types of Waste Matter: Concept of Matter

Academic Questions in Basic Science

Please check out our Test Your Knowledge page to see all Questions and Answers

Which of the following statement is FALSE concerning mass and weight?

  • A. Mass is the amount of matter in a body

  • B. The element hydrogen has the smallest mass

  • C. You will weigh more on planet jupiter than earth

  • D. Weight is a function of gravity

  • E. Mass and Weight have different Standard International (S.I) Units

  • F. None of the above

Which of the following statement is FALSE concerning matter?

  • A. Anything considered as matter must either have mass or occupy space

  • B. Air is an example of matter

  • C. Plasma is a state of matter

  • D. Chemistry is considered as the study of matter and the changes they undergo

  • E. Vacuum is a space completely void of matter

  • F. Matter will always take up space no matter how small or invincible it is to the eyes

Which of the following is NOT matter?

  • A. Atom

  • B. Molecule

  • C. Ion

  • D. Bacterium

  • E. Virus

  • F. None of the above

The ultimate source of energy is _____.

  1. Plant
  2. Sun
  3. Food
  4. Water
  5. Air
  6. Earth

The speed of wind is measured with a wind vane.


The nutrient majorly found in the liver is _____.

  • A. Carbohydrate
  • B. Starch
  • C. Protein
  • D. Fats
  • E. Oil
  • F. Lipids

A body at rest possess _____ energy.

  • A. Kinetic
  • B. Potential
  • C. Mechanical
  • D. Chemical



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Basic Science Questions, JSS3, Second Term:

1. _____ is a branch of a science that deals with the study of life.

  1. Biology
  2. Chemistry
  3. Physics
  4. Geography
  5. Please read this article here for correct Answer.


2. Objectives of drug usage includes the following EXCEPT _____.

  1. To combat diseases
  2. To provide energy
  3. To relieve suffering
  4. To save life
  5. Please read on the meaning of Drug, Types and Side Effects of Drugs here.


3. An element with a valency of +4 is _____.

  1. Potassium
  2. Calcium
  3. Carbon
  4. Nitrogen
  5. Please read on Periodic Table and Classification of Elements here.


4. _____ is formed when an acid is dissolved in water.

  1. H2O+
  2. OH-
  3. H3O+
  4. H2O-
  5. Please read on the Definitions of an Acid here.


5. Which of the following elements is NOT a noble gas?

  1. He
  2. Ne
  3. Be
  4. Ar


6. A damp _____ litmus paper turns _____ in NaOH.

  1. Red, Blue
  2. Blue, Red
  3. Blue, Colourless
  4. Red, Neutral
  5. You can read on the Physical and Chemical Properties of Acids here.


7. The S.I unit for electric current is the _____.

  1. Volt
  2. Ohm
  3. Ampere
  4. Watt
  5. Please read on the Fundamental Quantities and Units in Physics here.


8. The image formed in the pin-hole camera is _____.

  1. Reflected
  2. Refracted
  3. Inverted
  4. Upright


9. A chemical change will not include _____.

  1. Rotting of leaves
  2. Melting of Candle wax
  3. Corrosion of iron
  4. Burning of wood
  5. Please read on Physical and Chemical Changes here.


10. A ball with a mass of 20g rolls from a height of 8m. Calculate its kinetic energy when it has a velocity of 2ms-1.

  1. 1.6J
  2. 0.12J
  3. 0.6J
  4. 0.4J
  5. Please read on the concepts of Velocity and Acceleration here.


11. The valency of 'N' in NaNO3 is _____.

  1. -1
  2. +1
  3. -5
  4. +5

You can attempt Len Academy Questions on various Subjects (with Answers) here.

12. Myopia can be corrected with glasses that have _____ lenses.

  1. Concave
  2. Convex
  3. Irregular
  4. Regular


13. The vector of river blindness is _____.

  1. Mosquito
  2. Plasmodium
  3. Blackfly
  4. Tsetse fly
  5. Please read on Vector of Diseases, Vector Borne Organisms and the Diseases they cause here.


14. _____ atoms are present in H2SO4.

  1. 3
  2. 5
  3. 7
  4. 9
  5. Please read the concept of Molar Mass with some worked examples here.


15. The spontaneous emission of particles or rays as seen in the nucleus of certain atoms is termed _____.

  1. Nuclear Fission
  2. Nuclear Fusion
  3. Radioactivity
  4. Gamma


16. Components of Information and Communication Technology (ICT) will NOT include _____.

  1. Post Office
  2. Electronic Mail
  3. Television
  4. Internet
  5. You can read on the Internet of Things (IoT) here.


17. Certain plants are able to survive in water because _____.

  1. Their shoots are well developed
  2. They have flowers
  3. Their leaves have air spaces
  4. Their cuticle are well developed
  5. You can read on the Differences between Plants and Crops here.


18. A hormone that increases the body's metabolic function is _____.

  1. Thyroxine
  2. Aldosterone
  3. Testosterone
  4. Progesterone
  5. Please read on Homeostasis and Negative Feedback Mechanism here.


19. Rods and Cones of the eyes are concentrated in the _____.

  1. Sclera
  2. Fovea Centralis
  3. Blind Spot
  4. Cornea


20. The final bending adjustment of light into the retina is done by the _____.

  1. Lens
  2. Iris
  3. Pupil
  4. Cornea

Please read on what every Student is expected to know here.

21. A bone found in the middle ear is the _____.

  1. Stapedius
  2. Incus
  3. Patella
  4. Scaphoid
  5. Please read on all the Bones of the Human Skeleton explained with diagrams here.


22. The function of chlorine in the water purification process is to _____.

  1. Filter the water
  2. Kill micro-organisms
  3. Improve its taste
  4. Make it colourless


23. The vitamin obtained from the sun functions to _____.

  1. Prevent hypermetropia
  2. Build our skin
  3. Build our bones
  4. Prevent Myopia
  5. You can read on the Sources, Functions and Deficiencies of Macronutrients here.


24. Desertification is likely to occur in which Nigerian State?

  1. Gombe
  2. Rivers
  3. Imo
  4. Ogun
  5. Please read on the Desert Biome here.


25. The ozone layer of the atmosphere is composed of _____.

  1. O
  2. O2
  3. O3
  4. O4
  5. Please read on the Layers of the Atmosphere here.


26. The following activities of man will cause flooding EXCEPT

  1. Deforestation
  2. Availability of drainage facilities
  3. Poor farming practices
  4. None of the above
  5. You can read on Soil Erosion and Types of Soil Erosion here.


27. The energy currency in the body is _____.

  1. ATP
  2. Starch
  3. Glucose
  4. Carbohydrates
  5. Please read on the Characteristics of Living Organisms. (Answer is present here).


28. _____ is a contagious disease.

  1. Tetanus
  2. Beriberi
  3. Marasmus
  4. Tuberculosis
  5. You can read on Micro-organisms causing Food, Water and Air Borne Diseases here.


29. A petrochemical will NOT include _____.

  1. Detergent
  2. Aqueous Sodium Chloride
  3. Nylon
  4. Plastics


30. The pH value representing the most acidic solution is _____.

  1. 1.0
  2. 7.0
  3. 7.5
  4. 14.0
  5. Please read on various Agricultural Terms and Meanings. (pH is explained here).


You can Attempt Len Academy Mid-Term Test Questions for JSS1 here.

You can attempt Len Academy Basic Science Examination Questions for JSS1, 2nd Term here.

You can read various articles on Basic Science here

You can read various articles on Biology here

You can read various articles on Chemistry here

You can read various articles on Physics here

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Alfred Ajibola is a Medical Biochemist, a passionate Academician with over 7 years of experience, a Versatile Writer, a Web Developer, a Cisco Certified Network Associate and a Cisco CyberOps Associate.

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Amazing facts in Basic Science

Rasceta is the name given to the lines on your ✋ palm ✋

Goats have rectangular pupils in their eyes.

Think of the pupil as a hole located in the centre of the iris within of the eye.

Note: To get an idea of an iris; 'when one is said to have blue eyes', it's because the iris is blue

Among all land animals, 🐘 Elephants 🐘 have the longest gestation period.

They stay pregnant for 22 months before giving birth to their young

🦘 Kangaroos 🦘 can't walk backwards

The 🥛 milk 🥛 of an 🦛 hippopotamus 🦛 is pink in color

The seed of all fruits are present on the inside with the exception of one.

That exception is 🍓 strawberry 🍓

🍓 strawberry 🍓 has it's seed outside the fruit

It actually takes 🍍 pineapples 🍍 2 years to grow

The liquid inside a coconut 🥥 can be used as an excellent substitute for your blood plasma

Facts on Elephants - Len Academy

Elephants can't jump


The eyebrow is an area of dense, delicate hair just above the eye.

Eyebrows perform two main functions:

  1. Protects our eyes against sweat, rain, dirt and other atmospheric contaminants.
  2. It helps us express our emotions.

Eye Brow - Len Academy

Eyebrow modified in the form of Nike logo.

Note: Eyebrows can also be modified to enhance beauty.

All fruits have seeds.

There is nothing like a naturally occurring seedless fruit. Even banana, coconut and pineapple have all got seeds.

Weight can be defined as the force of gravity acting on an object.

If you traveled to space, you would be weightless because there isn't any force of gravity acting there. We all have weight on earth becasue the force of gravity acts here.

Weight is measured in Newton

Please read on the concept of Mass and Weight here

Mass is the amount or quantity of matter (substance) contained in a body. For instance, everything you are composed of, both from within and outside will make up your mass.

Mass is constant throughout the universe. You will have the same mass on earth and moon respectively.

Mass is measured in gram or kilogram and it's quite different from weight.

Matter is anything that has mass and occupy space.

Matter can exist in four states namely:

  • Solid
  • Liquid
  • Gas
  • Plasma