Basic science junior secondary school mock examination questions

 Below is a sample of  Basic science junior secondary school mock examination questions.

1.      The ability for living organisms to respond to external stimulus is termed (a) respiration (b) Kinetic responses (c)voluntary action (d)reflex action
2.  The brain is subdivided into three major parts, which are (a) Cellebrum, cerebellum, cerebral cortex (b)medulla, cerebellum, oblongata (c)cerebellum, medulla oblongata, cerebrum (d)medulla oblongata, cerebellum, and bullous
3.The component of the air that is 21% by volume is (a)water (b)oxygen (c)nitrogen (d) noble gas
4.The change of state from gas to liquid is termed (a)Sublimation (b)condensation (c)neutralization (d) evaporation


5. How many  sense organs of the body do we have   (a) 6 (b)8 (c)5 (d) 10
6.  The sense organs for the perception of smell is the (a) Eyes (b) skin (c)mouth (d)Nose
7.Substances which cannot be split into two substances by any chemical means is referred to as (a) Atom (b) element (c)compound (d) Mixture
8.      Anything that has mass or weight and occupies space is (a) Matter (b) element (c)molecule (d) weight
  1. The state of ill health is also known as  (a)disease  (b)immunization  (c)sickness  (d)wellness
10.  The change from liquid to gas is called A. melting B. freezing C. evaporation D. condensation
11.  The process by which  substances changes from one form to the other without the formation of a new substance is termed (a)Physical change (b)chemical change (c) metallic change (d) Melting of solid
12.  The change  in which a new substance is been formed is called (a) chemical change (b)physical change (c) material
change (d) ionic change
13.  The latin name for sodium metal  is (a) Ferrium (b)ferrus (c)Natrium (d)kalium
14.  The element with atomic number 2 is  (a) Sodium (b) potassium (c)magnesium (d)Helium
15.  Element with Symbol K is known as (a) Kalium (b)potassium (c)magnesium (d)iron
16.  Which of the following diseases can be transmitted by sexual  intercourse (a) Syphilis (b)HIV/AIDS (C)gonorrhea (d) All of the above
17.  One important method of  good reproductive health is (a) Good office sweeping (b)taking regular diet (c) good environmental sanitation (d)Taking bath regularly
18.  The component of air is an example of (a)Air (b)Mixture (c) Element (d)element
19.  The act of responding to stimulus is termed (a) reflexes (b) irritability (c)involuntary action (d) sense organs
20.  The central nervous system is made up of  (a)the brain and the spinal cord (b) the brain and the vertebral column (c)the spinal cord and the cerebrum (d) medulla oblongata and the spinal cord
21.  The brain is subdivided into how many parts (a)4(b)10 (c)3 (d)6
22.  Cocoa, dyes and rubber are typical example of
which variety of crops (a) seasoned crops (b) cash crops (c)raw materials
(d)weekly crops
23.  Resources obtained from animals are referred to
as (a) plant and animal resources(b)plant resources (c)animal resources
(d)Animal and cash resources
24.  Dye is obtained from ——— (a) wood (b)indigam (c) camwood and indigo (d)rubber tree
25.  ———-are used to make shoe in the industry
(a)Hides and skin (b)plastics (c)Rubber tree (d)Diary product
26.  All of these ————————–is a food
crop except (a)Beans (b) rice (c)cocoa (d)Yam
27.  —————is the smallest particle of a
substance which can exist independently and still possess the physical and
chemical properties of that substance
28.  Common salt used in the house for cooking is an
example of (a)Chemical (b) substance for cooking (c) compound (d) food
29.  Which one of this is not a sexually transmitted infection (a) Gonorrhoea (b) Syphilis (c)HIV (D) Tuberculosis
30.  The sense organs for the perception of Vision and direction is the (a) Eye (b)Ear (c)skin (d)tongue
1.      Make a well labeled diagram of the human eye, Note accurate and large diagram with proper labeling design will attract more marks
2.      List the five sense organs we have. State their functions accordingly
b. explain the term reflex action, giving example  as appropriate
        3. What are sexually transmitted infections?
        b. List five method of caring for the reproductive organs
        c. List four sexually transmitted infections you know
        4. Carefully outline and list the first twenty elements
       5. Define the following (i) Molecules (ii) elements (iii) compounds (iv) mixture
       b. List the economic
importance of plant and animal resources
      6. Differentiate between food crops and cash crops and give atleast three examples each
      b. what are sandy soil
      c. What are dairy products, give four examples of dairy products
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