IBA STS 05-15 Intermediate Category Past Paper Dated: 08-02-2026 Morning Shift
81- All the following are examples of endothermic reactions except:
A. Photosynthesis
B. Melting of ice
C. Dissolving ammonium nitrate in water
D. Burning of fuel
View Answer
Answer : D. Burning of fuel
Description
82- The statement that best compares endothermic and exothermic reactions is that:
A. Both reactions absorb heat
B. Both reactions release heat
C. One releases and the other absorbs heat
D. No energy change occurs in both reactions
View Answer
Answer : C. One releases and the other absorbs heat
Description
83- A researcher conducts an experiment without proper observations. The step mostly impacted by this negligence would be:
A. Generation of hypotheses
B. Data collection and analysis
C. Reasoning
D. Law making
View Answer
Answer : B. Data collection and analysis
Description
84- The ozone layer is essential for life on Earth because:
A. It safeguards from harmful UV radiation
B. It prevents global warming
C. It increases acid rain
D. It produces oxygen
View Answer
Answer : A. It safeguards from harmful UV radiation
Description
85- Birds have hollow bones to:
A. Reduce weight for flight
B. Store fats for energy metabolism
C. Facilitate wing attachment
D. Enhance nitrogen exchange
View Answer
Answer : A. Reduce weight for flight
Description
86- The meaning of the name ‘Muhammad’ (PBUH) is:
A. Honest
B. Truthful
C. Literate one
D. Praised one
View Answer
Answer : D. Praised one
Description
87- The Holy Prophet (PBUH) belongs to the tribe:
A. Banu Hashim
B. Banu Zuhra
C. Banu Asad
D. Banu Ummayya
View Answer
Answer : A. Banu Hashim
Description
88- From the following, select the renewable energy resource:
A. Coal
B. Natural gas
C. Nuclear energy
D. Solar energy
View Answer
Answer : D. Solar energy
Description
89- Identify the man-made disaster from the following options:
A. Flood
B. Earthquake
C. Industrial accident
D. Drought
View Answer
Answer : C. Industrial accident
Description
90- Gross Domestic Product (GDP) measures:
A. The total income of government jobholders in a country
B. The total value of imports and exports of a country
C. Total value of goods and services produced within a country
D. Total government revenue and expenditure in a country
View Answer
Answer : C. Total value of goods and services produced within a country
Description
91- The following operating system was developed by Apple:
A. Mac OS
B. Windows
C. Android
D. Ubuntu
View Answer
Answer : A. Mac OS
Description
92- The HTML tag used to automatically add line space before and after the containing text is:
A. <br>
B. <hr>
C. <p>
D. <pre>
View Answer
Answer : C.