Explore topic-wise MCQs in Biology.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Exponential growth is observed in which fashion?

A. Geometric
B. Algebraic
C. Declining
D. Steady
Answer» B. Algebraic
2.

When responses in a population are unlimited which growth is observed?

A. Logistic growth
B. Decreasing growth
C. Lag phase growth
D. Exponential growth
Answer» E.
3.

When responses in a population are limiting which growth is observed?

A. Increasing growth
B. Logistic growth
C. Decreasing growth
D. Stationary growth
Answer» C. Decreasing growth
4.

Which letter is used to designate the carrying capacity of a population?

A. A
B. S
C. K
D. N
Answer» D. N
5.

In which phase population achieves zero growth?

A. Growing phase
B. Stationary phase
C. Lag phase
D. Log phase
Answer» C. Lag phase
6.

What happens in the negative down acceleration phase?

A. Grows at a faster rate
B. Growth gradually increase
C. Organisms growth gradually reduce
D. Death
Answer» D. Death
7.

What happens in the deacceleration phase?

A. Grow at a faster rate
B. Tend to adapt
C. Death
D. Organisms increase slowly
Answer» E.
8.

Which is the third phase in the logistic growth curve of the population?

A. Log phase
B. Deacceleration phase
C. Lag phase
D. Negative phase
Answer» D. Negative phase
9.

In which of the following phase do organisms in a population multiply at a faster rate?

A. Deceleration phase
B. Stationary phase
C. Exponential phase
D. Log phase
Answer» E.
10.

Which is the second phase of the sigmoidal growth curve?

A. Deceleration phase
B. Log phase
C. Exponential phase
D. Stationary phase
Answer» C. Exponential phase
11.

Which of the following initial phase is slow?

A. Declaration phase
B. Stationary phase
C. Lag phase
D. Log phase
Answer» D. Log phase
12.

What do organisms in a population do in the lag phase?

A. Grow at a slower rate
B. Grow at a faster rate
C. Death
D. Tend to adapt
Answer» E.
13.

Which is the initial phase in logistic growth?

A. Log phase
B. Lag phase
C. Declining phase
D. Stationary phase
Answer» C. Declining phase
14.

How many phases does a logistic growth curve have?

A. 5
B. 8
C. 1
D. 4
Answer» B. 8
15.

What is a sigmoid growth curve called?

A. Exponential growth curve
B. Logistic growth curve
C. Declining growth curve
D. Interacting curve
Answer» C. Declining growth curve