Explore topic-wise MCQs in Biology.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of these is not a characteristic of the iris?

A. It is opaque
B. It is a part of the sclera
C. It is a continuation of the ciliary bodies
D. It is pigmented
Answer» C. It is a continuation of the ciliary bodies
2.

The ciliary body is a part of which of these structures?

A. Choroid
B. Retina
C. Sclera
D. Macula lutea
Answer» B. Retina
3.

Which of these structures have a bluish appearance?

A. Sclera
B. Cornea
C. Choroid
D. Retina
Answer» D. Retina
4.

What is retinal?

A. Aldehyde of opsin
B. Isomer of opsin
C. Aldehyde of vitamin A
D. Acid of riboflavin
Answer» D. Acid of riboflavin
5.

At which of these sites will you find a yellowish pigmented spot?

A. A
B. B
C. C
D. D
Answer» D. D
6.

Scotopic vision is a function of cone cells. True or false?

A. True
B. False
Answer» C.
7.

Identify the part of the eye.

A. Cornea
B. Optic nerve
C. Blind spot
D. Fovea
Answer» E.
8.

How many layers of neural cells does the retina possess?

A. 3
B. 2
C. 4
D. 1
Answer» B. 2
9.

The iris is a continuation of which of these structures?

A. Retina
B. Cornea
C. Ciliary body
D. Sclera
Answer» D. Sclera
10.

What is the middle layer of the eye known as?

A. Retina
B. Choroid
C. Cornea
D. Sclera
Answer» C. Cornea
11.

What is the anterior portion of the sclera known as?

A. Cornea
B. Choroid
C. Retina
D. Iris
Answer» B. Choroid
12.

What is the sclera composed of?

A. Mucoid connective tissue
B. Loose connective tissue
C. Dense connective tissue
D. Pigmented connective tissue
Answer» D. Pigmented connective tissue
13.

How many layers does the wall of the eyeball have?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
14.

In which of these structures are the eyes located?

A. Glenoid cavity
B. Acetabulum
C. Pores
D. Orbits
Answer» E.