Q1.
What is the process by which plants make their own food?
-
(A)
Respiration
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(B)
Photosynthesis
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(C)
Decomposition
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(D)
Fermentation
Ans: (B) - Photosynthesis
Q2.
What is the scientific term for the 'building blocks of life'?
-
(A)
Cells
-
(B)
Tissues
-
(C)
Organs
-
(D)
Organ systems
Q3.
What is the term for the movement of water from the roots of a plant to the leaves through the stem?
-
(A)
Respiration
-
(B)
Photosynthesis
-
(C)
Transpiration
-
(D)
Osmosis
Q4.
What is the process by which an organism's genetic information is passed from one generation to the next?
-
(A)
Mutation
-
(B)
Genetic drift
-
(C)
Natural selection
-
(D)
Heredity
Q5.
Which of the following is a characteristic of a chemical reaction?
-
(A)
Change in color
-
(B)
Change in temperature
-
(C)
Change in state
-
(D)
All of the above
Ans: (D) - All of the above
Q6.
Which part of the human eye controls the amount of light that enters?
-
(A)
Cornea
-
(B)
Iris
-
(C)
Pupil
-
(D)
Retina
Q7.
Which type of lens is thicker in the middle than at the edges?
-
(A)
Concave lens
-
(B)
Convex lens
-
(C)
Cylindrical lens
-
(D)
Diverging lens
Q8.
What is the term for the remains or imprints of ancient plants and animals?
-
(A)
Fossils
-
(B)
Minerals
-
(C)
Rocks
-
(D)
Soil
Q9.
Which type of chemical bond involves the transfer of electrons between atoms?
-
(A)
Covalent bond
-
(B)
Ionic bond
-
(C)
Hydrogen bond
-
(D)
Electrostatic bond
Q10.
Which of the following types of energy is transferred through electromagnetic waves?
-
(A)
Kinetic energy
-
(B)
Potential energy
-
(C)
Thermal energy
-
(D)
Radiant energy
Ans: (D) - Radiant energy