Fields, Forces and Flows in Biological Systems MCQs

Fields, Forces and Flows in Biological Systems MCQs

Try to answer these Fields, Forces and Flows in Biological Systems MCQs and check your understanding of the Fields, Forces and Flows in Biological Systems subject.
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1: What is System?

A.   A set of rules

B.   A group of parts that work together as a whole

C.   A single unit

D.   A complex machine

2: What is a closed system?

A.   A system in which no energy is allowed to enter or leave

B.   A system in which no radiation is allowed to enter or leave

C.   A system in which no matter is allowed to enter or leave

D.   A system in which no force is allowed to enter or leave

3: What does an open system allow?

A.   Electric signals

B.   Exchange of energy

C.   Matter to enter from or escape to the surroundings

D.   Movement of air

4: What is an input?

A.   Something put into a system, such as resources, in order to achieve a result.

B.   An output from a system

C.   Data collected from a system

D.   A process in a system

5: What is the definition of output?

A.   Process of calculating something

B.   Aim of a manufacturing plant

C.   Method of producing something with a machine

D.   Amount of something produced by a person, machine, or industry

6: In biological systems, what is the role of fields and forces?

A.   To create biological diversity

B.   To maintain the structural integrity of cells and tissues

C.   To regulate the movement and behavior of biological molecules and organisms

D.   To control the rate of cell division

7: What is an example of a biological flow?

A.   Blood flow in the circulatory system

B.   Wind flow in the atmosphere

C.   Water flow in rivers

D.   Electrical flow in circuits

8: In biological systems, what do forces often influence?

A.   Genetic mutations

B.   The direction of light absorption

C.   Cell movement and shape changes

D.   The rate of photosynthesis

9: Which force is responsible for the attraction between molecules of different substances, such as water and the walls of a plant's xylem vessels?

A.   Cohesion

B.   Adhesion

C.   Surface tension

D.   Gravity

10: What is the function of a magnetic field in biological systems?

A.   To guide the migration of birds during seasonal changes

B.   To enhance the sense of smell in animals

C.   To facilitate the formation of DNA molecules

D.   Magnetic fields do not play a significant role in biological systems

11: The force responsible for the movement of nutrients and water in plants from the roots to the leaves is called:

A.   Tension force

B.   Osmotic force

C.   Capillary force

D.   Repulsion force

12: What type of flow is exhibited by the movement of ions across a cell membrane?

A.   Electric flow

B.   Osmotic flow

C.   Electrochemical flow

D.   Laminar flow

13: Which force is responsible for the surface tension that allows certain insects to walk on water?

A.   Gravitational force

B.   Adhesive force

C.   Cohesive force

D.   Surface tension force

14: In biological systems, what is the role of electric fields?

A.   To regulate temperature

B.   To control cellular communication and signaling

C.   To generate gravitational forces

D.   Electric fields do not play a significant role in biological systems

15: Which force is responsible for the movement of cilia and flagella in cells?

A.   Gravitational force

B.   Centripetal force

C.   Viscous force

D.   Propulsion force