Biology MCQ - Biology Notes Online

MCQ Categories

181 Which type of ion channels are primarily found in axons?

A: Ligand-gated

B: Mechanically-gated

C: Voltage-gated

D: Leak channels

Neuroscience MCQ
View Answer & Discuss
182 What is the term for the process of transporting materials along the axon?

A: Retrograde transport

B: Anterograde transport

C: Axonal transport

D: Cytoplasmic flow

Neuroscience MCQ
View Answer & Discuss
183 Which cells form the myelin sheath in the peripheral nervous system?

A: Oligodendrocytes

B: Astrocytes

C: Schwann cells

D: Microglia

Neuroscience MCQ
View Answer & Discuss
184 What is the role of Nodes of Ranvier?

A: Store neurotransmitters

B: Facilitate signal reception

C: Allow action potentials to jump

D: Provide structural support

Neuroscience MCQ
View Answer & Discuss
185 How do myelinated axons conduct action potentials compared to unmyelinated ones?

A: Slower

B: Faster

C: The same speed

D: Irregularly

Neuroscience MCQ
View Answer & Discuss
186 What structure initiates an action potential in a neuron?

A: Dendrite

B: Axon terminal

C: Axon hillock

D: Synapse

Neuroscience MCQ
View Answer & Discuss
187 What is the primary function of an axon?

A: Receive signals

B: Transmit signals

C: Process signals

D: Generate energy

Neuroscience MCQ
View Answer & Discuss
188 In a dihybrid cross involving two genes with recessive epistasis, what is the expected phenotypic ratio?

A: 9:03:04

B: 9:3:3:1

C: 12:03:01

D: 9:7

MCQ on Epistasis
View Answer & Discuss
189 Which term describes a situation where one gene affects the expression of a second gene?

A: Epistasis

B: Codominance

C: Incomplete dominance

D: Incomplete penetrance

MCQ on Epistasis
View Answer & Discuss
190 In the case of an epistatic gene affecting two different phenotypic traits, what is this interaction called?

A: Pleiotropy

B: Polygenic inheritance

C: Epistatic interaction

D: Complementary gene action

MCQ on Epistasis
View Answer & Discuss

« Previous 1 … 17 18 19 20 21 … 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