The enzyme that breaks down cellulose is: MCQ with Answer and Explanation

The enzyme that breaks down cellulose is:
A. Amylase
B. Cellulase
C. Protease
D. Lipase
Answer: Option B
Solution (By JKSSB Mock Tests)
Cellulase hydrolyzes cellulose into glucose. It is produced by certain bacteria, fungi, and protozoa, enabling them to digest plant material. Herbivores harbor these microbes in their gut. Humans lack cellulase.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Biology Questions

Question #1
The organelle that modifies, sorts, and packages proteins for secretion is the:
A. Lysosome
B. Rough ER
C. Golgi apparatus
D. Mitochondria

Correct Answer: Option C


Explanation:
The Golgi apparatus receives proteins from the rough ER, modifies them (e.g., glycosylation), sorts them, and packages them into vesicles for transport to the plasma membrane, lysosomes, or secretion. Lysosomes digest, rough ER synthesizes proteins, mitochondria generate ATP.

This question belongs to: Science Biology
Question #2
Consider statements about human anatomy: 1. The sternum is located in the chest. 2. The clavicle is the collar bone. 3. The scapula is the shoulder blade. Which are correct?
A. 1, 2 and 3
B. 2 and 3 only
C. 1 and 3 only
D. 1 and 2 only

Correct Answer: Option A


Explanation:
The sternum, or breastbone, is a flat bone located in the center of the chest, to which the ribs attach. The clavicle, commonly known as the collarbone, connects the arm to the body, running horizontally above the first rib. The scapula, or shoulder blade, is a flat, triangular bone located on the upper back, forming the posterior part of the shoulder girdle. All statements are correct.

This question belongs to: Science Biology
Question #3
Which of the following is a fungal disease?
A. Polio
B. Tetanus
C. Cholera
D. Ringworm

Correct Answer: Option D


Explanation:
Ringworm (tinea) is caused by dermatophyte fungi (Trichophyton, Microsporum). Tetanus is bacterial, polio viral, cholera bacterial.

This question belongs to: Science Biology