Life Science Quiz

The idea that frogs arise from mud is an example of ___________

• Biogenesis

• Panspermia

• Divine Creation

• Spontaneous Generation

Answer explanation

Abiogenesis talks about the spontaneous generation of life from non-living things or inanimate matter.

About 12 to 24 hours after taking a high-carbohydrate meal, a person's blood sugar level normally increases. Afterward, the blood sugar will be maintained within a fairly narrow range despite uneven intake of sugar in between meals. This is due to the body's ability to carry out ___________

• Adaptation

• Homeostasis

• Metabolism

• Nutrient Uptake

Answer explanation

Homeostasis helps maintain a stable internal environment for our body.

The process of converting food molecules to harness energy is called ___________

• Metabolism

• Photosynthesis

• Natural Selection

• Cellular Respiration

Answer explanation

Cellular respiration is the process of breaking down foodstuffs and converting the energy into ATP, carbon dioxide and water.

You may begin studying on the whole process of cellular respiration in preparation for our Final Term.

In a cell, what levels of organization are represented?

• tissue, organ, and organ system

• organelle, molecules, and atoms

• organ, organ system, and organism

• organism, population, and community

All of the chemical processes that occur inside the cell can be collectively called as __________

• Biotechnology

• Evolution

• Metabolism

• Respiration

Answer explanation

Metabolism is the set of life-sustaining chemical reactions in organisms that occur in different metabolic pathways. It involves the conversion of food to energy, the building of proteins, lipids, nucleic acids and some carbohydrates, and the elimination of metabolic wastes.

You noticed that over the past month, many students have started wearing jackets inside the classroom. You think that maybe the classroom has become very cold. This prediction is ___________

• an experiment

• a type of observation

• an example of a hypothesis

• an example of an experimental question

Answer explanation

Observation is the active acquisition of information from a primary source. In living beings, observation employs the senses.

A hypothesis (plural hypotheses) is a proposed explanation for a phenomenon. For a hypothesis to be a scientific hypothesis, the scientific method requires that one can test it.

Life is organized in a hierarchical fashion. Which of the following correctly lists the hierarchy from smallest (simple) to largest (complex)?

• molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem

• cell, molecule, organ system, organ, organelle, population, tissue, organism, ecosystem, community

• ecosystem, population, organ system, cell, community, molecule, organ, organism, organelle, tissue

• organism, organ system, tissue, population, organ, organelle, community, cell, ecosystem, molecule

Answer explanation

Organelles are structures within a cell that perform specific functions like controlling cell growth and producing energy.

Which of the following is an example of a scientific question?

• Do cats make better pets than dogs?

• Which flowers are prettier, daisies or roses?

• Does adding sugar to water keep flowers fresh?

• Do friendly people come on time more often than unfriendly people?

The ability of organisms to respond to stimuli is called __________

• Adaptability

• Growth

• Irritability

• Movement

The production of orchids by cutting is an example of ___________

• Biogenesis

• Abiogenesis

• Divine Creation

• Spontaneous Origin

Answer explanation

Biogenesis is the creation of life from living organisms.

Cutting is a form of plant propagation