Basic Science

Len Academy questions for Basic Science JSS1, second Term

len Alfred Ajibola - Mon, 15th July, 2019 @ 16:45

Topics in Basic Science

Resources from living things Resources from animals Importance of immunization Types of Carbohydrates: Monosaccharides and Polysaccharides Carbohydrates: Disaccharides and Oligosaccharides 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 in the society Concept of mass and weight Mineral Salts: Sources, functions and deficiencies of macronutrients Sources, functions and deficiencies of micronutrients Len Academy questions for Basic Science JSS1, second Term Len Academy mid-term test questions for Basic Science JSS1, 2nd Term Microorganisms causing food, water and air borne diseases Vector borne organisms and the diseases they cause Bones of the Human Skeleton Meaning of Drugs, Type of Drugs and Side effects of Drugs


Academic Questions in Basic Science

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Vaccination involves a process of introducing pathogens or germs into a person in order to prevent such person from the diseases they cause.

  • A. True

  • B. False

With regards to the human health, foreign bodies are best regarded as _____.

  • A. International bodies

  • B. Antilators

  • C. Antibodies

  • D. Antigens

  • E. Antibiotics

  • F. Antidotes

Disease causing organisms are termed _____.

  • A. Pests

  • B. Pathogens

  • C. Vectors

  • D. Insects

  • E. Disease carriers

  • F. All the above options are correct

____ is formed from a reaction utilizing oxygen and glucose in the mitochondria of cells.

  • A. Galactose

  • B. Fructose

  • C. Sucrose

  • D. AMP

  • E. ADP

  • F. ATP

Which of the following statement is false concerning carbohydrates?

  • A. They are composed of carbon, hydrogen and oxygen only

  • B. Carbon has the highest ratio of the constituent elements of carbohydrates

  • C. All carbohydrates are sugars

  • D. Fructose is a carbohydrate

  • E. Natural milk contains lactose and it's a carbohydrate

  • F. Fatty foods contains high calories of energy when compared to the same quantity of carbohydrate foods

Which of the following is a class of food?

  • A. Water

  • B. Fibre

  • C. Roughages

  • D. Latex

  • E. Tanins

  • F. Wax

Brachiation is a specialized form of movement exhibited by _____.

  • A. Human beings

  • B. Babbons

  • C. Chameleons

  • D. Toads

  • E. Millipedes

  • F. Birds

_____ is a form of locomotion whereby an organism move by means of its two hind limbs.

  • A. Pedalism

  • B. Duo Pedalism

  • C. Double Pedalism

  • D. Dual Pedalism

  • E. Bipedalism

  • F. Copedalism


Basic Science questions, JSS1, 2nd Term:

1. Which of the following is a particulate nature of matter?

  1. Compounds
  2. Ions
  3. Mixtures
  4. Valency

 

2. The immediate process that leads to the precipitation of rain from the cloud is termed _____.

  1. sublimation
  2. solidification
  3. condensation
  4. vaporization

 

3. Which of the following is NOT a physical change?

  1. Melting of ice
  2. NaCl dissolved in water
  3. Melting of margarine
  4. Rotting of fruits
  5. Please read on Physical Change for correct Answer.

 

4. The aspect of science that deals with the study of matter and the changes they undergo is _____.

  1. Biology
  2. Chemistry
  3. Physics
  4. Geography

 

5. Plasma changes to gas via the process of _____.

  1. ionization
  2. deionization
  3. deposition
  4. sublimation

 

6. Which of the following organism is NOT a protist?

  1. Euglena
  2. Chlamydomonas
  3. Blue Green Algae
  4. Trypanosoma
  5. Please read on Protists for correct Answer.

 

7. Kingdom _____ contains autotrophic organisms.

  1. fungi
  2. protozoa
  3. plantae
  4. animalia
  5. Please read on Autotrophic Nutrition for correct Answer.

 

8. The _____ traps radiant energy from the sun.

  1. mitochondria
  2. ribosome
  3. chlorophyll
  4. vacuole

 

9. The reproductive organ in plants is the _____.

  1. leaves
  2. stem
  3. bark
  4. flower
  5. Please read on Sexual Propagation (Reproduction) in Plants for correct Answer.

 

10. The followings are gamete EXCEPT _____.

  1. ovary
  2. pollen grains
  3. ova
  4. sperm

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

11. Cell wall found in plants is composed of _____.

  1. starch
  2. cellulose
  3. glycogen
  4. sugar

 

12. The _____ is the power house of the cell.

  1. nucleus
  2. cell wall
  3. cell membrane
  4. mitochondria
  5. Please read on the Characteristics of Living Organisms for correct Answer.

 

13. The by-product of photosynthesis is _____.

  1. CO2
  2. O2
  3. Sugar
  4. H2O
  5. Please read this Article for the correct Answer to this Question.

 

14. Which of the following is not a resource from plant?

  1. Milk
  2. Timber
  3. Cotton
  4. Herbs

 

15. The locomotory organelle found in paramecium is the _____.

  1. flagella
  2. cilia
  3. pseudopodium
  4. flame cell
  5. Please read this Article for the correct Answer to this Question.

 

16. Locomotion will not include _____.

  1. wriggling
  2. crawling
  3. bending
  4. flying

 

17. The energy currency in the body is _____.

  1. glucose
  2. galactose
  3. fructose
  4. ATP
  5. Please read on Food (Carbohydrates and Sugars) for correct Answer.

 

18. An organism that respirate anaerobically is the _____.

  1. amoeba
  2. yeast
  3. euglena
  4. moss

 

19. The respiratory organ in a cockroach is the _____.

  1. lung-book
  2. tracheae
  3. trachea
  4. gills

 

20. The removal of solid undigested materials from the anus is termed _____.

  1. excretion
  2. egestion
  3. digestion
  4. absorption

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

21. Buccal respiration involves the use of the _____.

  1. mouth
  2. lungs
  3. gills
  4. skin

 

22. The organism that suffers in a parasitic association is termed the _____.

  1. parasite
  2. saprophyte
  3. heterotrophy
  4. host
  5. Please read on Food Vectors of Diseases for correct Answer.

 

23. Lenticels in plants are found in the _____.

  1. leaves
  2. stem
  3. root
  4. flowers

 

24. An animal without canines is the _____.

  1. herbivore
  2. omnivore
  3. carnivore
  4. none of the above

 

25. An asexual reproduction seen in hydra is the _____.

  1. binary fission
  2. binary fusion
  3. budding
  4. vegetative propagation

 

26. Animals that give birth to their young ones alive are said to be _____.

  1. oviparous
  2. ovoviviparous
  3. viviparous
  4. all of the above

 

27. Urea is synthesized mainly in the _____.

  1. kidneys
  2. bladder
  3. urethra
  4. liver

 

28. The excretory organelle in an amoeba is the _____.

  1. body surface
  2. stomata
  3. cell membrane
  4. contractile vacuole

 

29. Cell _____ is the basis of growth in living organism.

  1. multiplication
  2. addition
  3. division subtraction
  4. subtraction

 

30. Which of the followings is NOT a basic characteristic of living organisms?

  1. photosynthesis
  2. adaptation
  3. competition
  4. death

 

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

You can attempt Len Academy Agric Science Questions for JSS1, 1st 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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Amazing facts in Basic Science

Of all animals, mosquitoes hold the record of killing most humans annually. They are responsible for the deaths of 725,000 - 1,000,000 persons yearly

Antibiotics fights and kills bacteria. However, they do nothing to a virus

All insects have six legs. However, dragonfly has six legs but can't walk

The chin is defined as the protruding part of the face below the mouth, formed by the apex of the lower lip. It is shown below:

Chin - Len Academy

Interestingly, humans are the only animals with chin

Cranberries - Len Academy

Ripe cranberries will bounce like a ball. For this reason, they are nicknamed 'bounceberries'. They will also float in water

Tomatoes and Avocados are fruits, not vegetables

Sweat in itself doesn't smell. The smell that accompanies sweat is actually caused by the presence of bacteria on your skin. This bacteria breaks the sweat coming out of your sweat pores down into acids, thus making it smell.

Deodorants contains alcohol and are antibacterial. They work by killing the bacteria that makes sweat smell

Chewing aspirin during a heart attack may be a life saver. This is true because the drug inhibits platelets from forming a clot that can block an artery of the heart, thus stopping a heart attack

The kneecaps of newly born babies are not made of bone. Rather, they are little bits of cartilage which ossifies (turns from cartilages to bone) from age 2 to 6

Ice cubes - Len Academy

Ice cubes made with fresh water are white in color while those made with boiled water are crystal clear


NOTABLE POINTS IN Basic Science

Intelligence Quotient (IQ) is a score derived from a set of standardized tests developed to measure a person's cognitive abilities in relation to their age group.

IQ may also be defined as the ratio of mental age (MA) to chronological age (CA) multiplied by 100.

Below are some formulas pertaining Intelligence Quotient:

  • IQ = MA x 100 ÷ CA

  • MA = Mental age

  • CA = Chronological age

  • IQ above 100 = Brilliance

  • IQ that equals 100 = Average

  • IQ below 100 = Below Average

Human Brain Gyri and Sulci - Len Academy

Among all organisms in the universe, the human brain is the most developed. This highly developed brain present in humans is the biggest factor that makes them unique from every other organism on earth.

According to research, the more folds a brain has, the more intelligent the organism possessing it will become. To this end, humans have brains with the greatest number of folds (or bumps) called gyri and grooves (or indentations) called sulci.

Please read on the uniqueness of man here.

Waste Management can be defined as the process of collecting, processing, recycling and controlling any material considered as waste.

Improperly disposed waste litters on road sides, in land fills, gutters and ditches. They are generally bad for the following reasons:

Wastes can be classified into various types. These are:

  • Biodegradable waste

  • Non-Biodegradable waste

  • Refuse

  • Sewage

  • Recyclable waste

  • Electronic waste

  • Green waste

  • Biomedical waste

  • Metabolic waste

  • Radioactive waste

  • Chemical waste

  • Animal product waste

Please read the explanations on the classification of wastes here

The African Star Apple is a seasonal fruit that grows abundantly in Nigeria and other West African Countries. It's fondly called African Cherry, Agbalumo or Udara in some parts of Nigeria.

African Star Apple, Cherry, Agbalumo, Udara - Len Academy

Below are some benefits of the African Star Apple:

  • It contains high amount of vitamin C

  • It contains a high amount of calcium

  • It contains high amount of potassium

  • It is a powerful antioxidant

  • It aids in weight reduction

  • It contains a high amount of iron

  • Its leaves, fruits and seeds are medicinal

  • It aids digestion and prevents vomiting

Please read more on the african star apple here