Explore topic-wise MCQs in Biology.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

From Lamarck s theory, giraffes have long necks because ______

A. nature selected long trees
B. humans preferred only long-necked ones
C. of the sudden change of short to long necks
D. stretching of necks over many years by short-necked ones
Answer» E.
2.

Which among the following are not included in the concept of inheritance of acquired characters?

A. Melanism in the peppered moth
B. Absence of limbs in snakes
C. The long neck of giraffes
D. Retractile claws of carnivorous animals
Answer» B. Absence of limbs in snakes
3.

During biological evolution, the first living organisms were _______

A. Autotrophs
B. Heterotrophs
C. Bacteria
D. Mycoplasma
Answer» C. Bacteria
4.

Fitness is the end result to get adapted and get selected by nature.

A. True
B. False
Answer» B. False
5.

Which of the following were not among the basic concepts of Lamarckism?

A. Internal vital forces
B. Use and disuse of organs
C. Struggle for existence
D. Inheritance of acquired characters
Answer» D. Inheritance of acquired characters
6.

Lamarck used _______ as examples of use and disuse theory.

A. Giraffes
B. Elephants
C. Ostriches
D. Lions
Answer» B. Elephants
7.

Use and disuse theory was given by _______ to prove biological evolution.

A. Ernst Haeckel
B. Louis Pasteur
C. Charles Darwin
D. Lamarck
Answer» E.
8.

Lamarck was a _______ naturalist.

A. French
B. German
C. England
D. Latin
Answer» B. German
9.

The two key concepts branching descent and natural selection belong to ______ theory of evolution.

A. Mendel
B. Darwinian
C. Lamarck
D. Miller
Answer» C. Lamarck
10.

Who is the author of the book The Principle of population ?

A. Thomas Malthus
B. Charles Darwin
C. Hugo de Vries
D. Thomas Mathew
Answer» B. Charles Darwin