FBISE, NCP & NBF-aligned resources for Classes 9–12
Browse by Class
Browse by Type
Chemistry Chapter 1 : Topic 2
Branches of Chemistry
1 / 20
A scientist is studying how drugs interact with enzymes in the human body to develop more effective painkillers with fewer side effects. Which sub-field of chemistry is most directly involved in this research?
Reasoning: Medicinal chemistry focuses on the design and development of pharmaceutical drugs and their interactions with biological systems.
2 / 20
A researcher analyzes soil and rock samples to determine the distribution of elements such as iron, copper, and silicon in Earth’s crust. Which branch of chemistry is most relevant?
Reasoning: Geochemistry studies the chemical composition and processes of Earth’s materials such as rocks and minerals.
3 / 20
A laboratory develops a new biodegradable plastic that can break down naturally in the environment without causing pollution. Which field of chemistry is most closely associated with this work?
Reasoning: Polymer chemistry deals with the synthesis and behavior of large molecules like plastics and polymers.
4 / 20
A scientist studies chemical reactions occurring inside stars, including the formation of helium from hydrogen under extreme temperatures. Which branch of chemistry does this represent?
Reasoning: Astrochemistry studies chemical processes in space, including stars and interstellar matter.
5 / 20
A chemist is testing water samples from a river to detect the presence and concentration of heavy metals such as lead and mercury using precise instruments. Which branch of chemistry is being applied?
Reasoning: Analytical chemistry focuses on identifying and quantifying chemical components in samples.
6 / 20
A researcher investigates how living organisms use enzymes, proteins, and DNA at a molecular level to carry out life processes. Which branch of chemistry is most relevant?
Reasoning: Biochemistry studies chemical processes in living organisms.
7 / 20
A scientist studies the behavior of radioactive isotopes used in medical imaging and cancer treatment. Which field of chemistry is being applied?
Reasoning: Nuclear chemistry deals with radioactivity and nuclear reactions.
8 / 20
A chemical company is designing new materials with improved strength and flexibility for use in aircraft and spacecraft construction. Which branch of chemistry is most relevant?
Reasoning: Polymer chemistry is involved in developing advanced materials with specific physical properties.
9 / 20
A scientist studies chemical reactions that occur naturally in lakes, rivers, and the atmosphere, especially focusing on pollution and its effects. Which branch is most appropriate?
Reasoning: Environmental chemistry studies chemical processes in natural environments and pollution effects.
10 / 20
A chemist investigates the structure, properties, and reactions of carbon-based compounds such as fuels, plastics & pharmaceuticals. Which field is being studied?
Reasoning: Organic chemistry focuses on carbon-containing compounds.
11 / 20
A researcher studies the rate of chemical reactions and the energy changes involved when substances react under different temperatures and pressures. Which branch of chemistry is involved?
Reasoning: Physical chemistry studies energy, rates, and physical properties of chemical systems.
12 / 20
A laboratory is analyzing the purity of a pharmaceutical drug by separating and identifying its components using chromatography techniques. Which field is being used?
Reasoning: Analytical chemistry involves techniques for separation, identification, and quantification of substances.
13 / 20
A scientist studies the chemical composition of meteorites to understand the origin of the solar system. Which branch of chemistry does this fall under?
Reasoning: Astrochemistry includes the study of chemical processes in space and extraterrestrial materials.
14 / 20
A chemist investigates how fertilizers affect soil composition and plant growth over time. Which interdisciplinary field is most relevant?
Reasoning: Environmental chemistry studies chemical impacts on ecosystems, including soil and agriculture.
15 / 20
A researcher is developing new synthetic fibers used in clothing that are lightweight, durable, and resistant to water. Which field of chemistry is most involved?
Reasoning: Synthetic fibers are polymers, which fall under polymer chemistry.
16 / 20
A scientist studies how chemicals in drugs are metabolized in the human liver and how they affect biological systems. Which field does this belong to?
Reasoning: Biochemistry studies chemical processes in living organisms, including drug metabolism.
17 / 20
A researcher examines the composition of seawater to identify dissolved salts, gases, and trace elements. Which branch of chemistry is most appropriate?
Reasoning: Geochemistry includes chemical study of Earth’s oceans, rocks, and atmosphere.
18 / 20
A scientist studies the behavior of electrons in atoms to explain bonding and energy levels. Which branch of chemistry is most relevant?
Reasoning: Physical chemistry explains atomic structure, bonding, and energy behavior.
19 / 20
A chemist is working on improving fertilizers to increase crop yield while minimizing environmental damage. Which interdisciplinary area is most relevant?
Reasoning: Environmental chemistry focuses on sustainable chemical use and pollution control.
20 / 20
A scientist studies the chemical structure of DNA and how it carries genetic information in living organisms. Which branch of chemistry is involved?
Reasoning: DNA and biological molecules are studied in biochemistry.
Your score is
Restart quiz
