Biology MCQ - Biology Notes Online

MCQ Categories

171 How many hydrogen bonds can a single water molecule form?

A: 2

B: 3

C: 4

D: 5

AP Biology MCQ
View Answer & Discuss
172 What is the chemical formula of water?

A: H2O

B: H2O2

C: HO

D: H3O

AP Biology MCQ
View Answer & Discuss
173 What type of conduction is facilitated by myelination?

A: Continuous conduction

B: Saltatory conduction

C: Passive conduction

D: Electrochemical conduction

Neuroscience MCQ
View Answer & Discuss
174 What is the effect of axonal length on signal transmission?

A: No effect

B: Increases speed

C: Decreases speed

D: Delays transmission slightly

Neuroscience MCQ
View Answer & Discuss
175 How many axons does a typical neuron have?

A: One

B: Two

C: Three

D: Multiple

Neuroscience MCQ
View Answer & Discuss
176 What is axoplasm?

A: The membrane of the axon

B: The cytoplasm of the axon

C: The myelin sheath

D: The terminal of the axon

Neuroscience MCQ
View Answer & Discuss
177 How does temperature affect action potential conduction?

A: No effect

B: Slower at higher temperatures

C: Faster at lower temperatures

D: Faster at higher temperatures

Neuroscience MCQ
View Answer & Discuss
178 What condition can disrupt the myelin sheath?

A: Epilepsy

B: Multiple sclerosis

C: Alzheimer's disease

D: Parkinson's disease

Neuroscience MCQ
View Answer & Discuss
179 How does axon diameter affect conduction speed?

A: Larger diameter increases resistance

B: Smaller diameter increases speed

C: Larger diameter decreases speed

D: Larger diameter decreases resistance

Neuroscience MCQ
View Answer & Discuss
180 What happens at the axon terminals?

A: Signals are generated

B: Action potentials are initiated

C: Neurotransmitters are released

D: Signals are received

Neuroscience MCQ
View Answer & Discuss

« Previous 1 … 16 17 18 19 20 … 43 Next »

Quiz Leaderboard

1st

Debabrata

Score: 100%

Questions: 20

2nd

Debabrata

Score: 100%

Questions: 20

3rd

Debabrata

Score: 100%

Questions: 20

4th

Sourav

Score: 90%

Questions: 20

5th

Priyanka

Score: 90%

Questions: 10

6th

Nischal

Score: 90%

Questions: 10

7th

Vesnce

Score: 45%

Questions: 20

8th

Hector

Score: 40%

Questions: 10

9th

Hykss

Score: 20%

Questions: 10

Click "Create Mock Test" to start a quiz.
Select categories and the number of questions, then click "Submit" to begin.
After completing the quiz, enter your name and email, then click "Submit" to view your score.
Your score is shown as a percentage (e.g., 5 correct out of 10 is 50%).
The leaderboard displays your name, score percentage, and total questions answered.

Click here to Create Mock Test