Unit-I_Biology for Engineers

Which of the following is a key principle of biology?

• Study of non-living organisms

• Understanding life processes

• Ignoring natural interactions

• Only studying plants

What is the role of biofilms in water pipelines?

• Enhance water flow

• Improve water quality

• Reduce water flow

• Prevent microbial growth

Which organelle is responsible for energy production in cells?

• Ribosome

• Mitochondria

• Chloroplast

• Golgi apparatus

What is the function of enzymes in wastewater treatment?

• Increase pollutant concentration

• Convert water into solid waste

• Break down pollutants

• Stop biological processes

Which type of tissue is responsible for movement in the human body?

• Nervous

• Connective

• Epithelial

• Muscle

The Miller-Urey experiment demonstrated the possibility of forming:

• Inorganic molecules

• Organic molecules

• Nuclear acids

• Proteins

Which biomolecule stores genetic information?

• Proteins

• Carbohydrates

• Nucleic acids

• Lipids

What is the primary function of the circulatory system?

• Breaking down food

• Transporting nutrients and gases

• Producing energy

• Excreting waste

Which biological principle is applied in self-healing concrete?

• Microbial degradation

• Bacterial calcite precipitation

• Photosynthesis

• Protein synthesis

What is the primary advantage of biodegradable materials in engineering?

• They are non-recyclable

• They reduce environmental impact

• They are more expensive

• They do not degrade naturally