F108B CUMULATIVE BLACKBOARD EXAM WITH CORRECT ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST ALREADY GRADED A+

F108B CUMULATIVE BLACKBOARD
EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+



SECTION 1: FOUNDATIONS & CORE CONCEPTS (Q1–25)
Q1. Which principle describes maintaining stability in the
internal environment?


A. Diffusion
B. Homeostasis
C. Osmosis
D. Filtration


✔ Answer: B. Homeostasis
Rationale: Homeostasis refers to the body's ability to
maintain internal balance despite external changes.

,Q2. The basic unit of life is:


A. Tissue
B. Organ
C. Cell
D. Atom


✔ Answer: C. Cell
Rationale: Cells are the smallest structures capable of
performing life functions.


Q3. Which organelle produces energy?


A. Nucleus
B. Ribosome
C. Mitochondria
D. Golgi apparatus


✔ Answer: C. Mitochondria

,Rationale: Mitochondria generate ATP through cellular
respiration.


Q4. Diffusion is best defined as:


A. Movement against gradient
B. Movement from high to low concentration
C. Energy-requiring transport
D. Water movement only


✔ Answer: B
Rationale: Diffusion is passive movement down a
concentration gradient.


Q5. Osmosis involves movement of:


A. Proteins
B. Solutes
C. Water
D. Ions

, ✔ Answer: C
Rationale: Osmosis is diffusion of water across a
semipermeable membrane.




SECTION 1: FOUNDATIONS & CORE CONCEPTS (Q6–25)
Q6. ATP stands for:


A. Adenosine Diphosphate
B. Adenosine Triphosphate
C. Adenine Phosphate
D. Active Transport Protein


✔ Answer: B. Adenosine Triphosphate
Rationale: ATP is the primary energy carrier in cells, storing
energy in phosphate bonds.


Q7. Which system regulates hormones?


A. Nervous system
B. Endocrine system