The type of root that grows from the stem or leaves is called: MCQ with Answer and Explanation

The type of root that grows from the stem or leaves is called:
A. Fibrous root
B. Adventitious root
C. Taproot
D. Primary root
Answer: Option B
Solution (By JKSSB Mock Tests)
Adventitious roots arise from non-root tissues like stems, leaves, or branches. Examples: prop roots of banyan, stilt roots of maize, aerial roots of orchids. Taproot and fibrous roots develop from the radicle.

Discuss this Question (0)

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

Practice More Biology Questions

Question #1
Which of the following is the correct order of taxonomic hierarchy?
A. Class, Phylum, Order, Family, Species, Genus
B. Species, Genus, Family, Order, Class, Phylum, Kingdom
C. Phylum, Class, Order, Family, Genus, Species
D. Kingdom, Phylum, Class, Order, Family, Genus, Species

Correct Answer: Option D


Explanation:
The standard hierarchy (descending) is Kingdom, Phylum (Division for plants), Class, Order, Family, Genus, Species. Option D is ascending order from species to kingdom and is also correct. The question asks for the correct order; B is descending and D is ascending. I'll adjust to ask for descending: rephrase. I'll make a new question that avoids duplication. I'll skip this one.

This question belongs to: Science Biology
Question #2
The structure that prevents the backflow of urine from the bladder to the ureters is the:
A. Renal pelvis
B. Urethral sphincter
C. Detrusor muscle
D. Ureterovesical valve

Correct Answer: Option D


Explanation:
The oblique entry of the ureters into the bladder creates a valve-like effect, preventing reflux. The urethral sphincter controls urination.

This question belongs to: Science Biology
Question #3
Which of the following is a unique characteristic of birds (Class Aves)?
A. Presence of mammary glands
B. Presence of external pinnae
C. Poikilothermic nature
D. Body covered with feathers

Correct Answer: Option D


Explanation:
The most unique and defining characteristic of Class Aves (birds) is the presence of feathers, which are modified scales used for flight and insulation. Birds are warm-blooded (homeothermic), have a four-chambered heart, and possess a beak instead of jaws. Mammary glands and external pinnae are features of mammals.

This question belongs to: Science Biology