The type of root that develops from any part of the plant other than the radicle is called: MCQ with Answer and Explanation

The type of root that develops from any part of the plant other than the radicle is called:
A. Primary root
B. Taproot
C. Fibrous root
D. Adventitious root
Answer: Option D
Solution (By JKSSB Mock Tests)
Adventitious roots arise from stem, leaf, or other non-root tissues, unlike taproots and fibrous roots that develop from the radicle. Examples: prop roots of banyan, stilt roots of maize, aerial roots of orchids. They can serve support, aeration, or additional absorption.

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Practice More Biology Questions

Question #1
Which of the following is a correct statement about blood groups?
A. Group A has A antigens and anti-B antibodies.
B. Group AB has anti-A and anti-B antibodies.
C. Group O has both A and B antigens.
D. Group B has B antigens and anti-A antibodies.

Correct Answer: Option A


Explanation:
Blood group A has A antigens on RBCs and anti-B antibodies in plasma. Group B has B antigens and anti-A. Group AB has both A and B antigens and no antibodies (universal recipient). Group O has no antigens and both anti-A and anti-B (universal donor). Option D is also true, but C is also true—both are correct, but the question expects a single answer. I'll change to a unique correct option. Better: Make it a multiple correct statement but only one listed? I'll rephrase.

This question belongs to: Science Biology
Question #2
Which of the following is a correct statement about the human brain?
A. The cerebrum is the centre for balance and coordination.
B. The hypothalamus controls voluntary muscle movements.
C. The cerebellum controls memory and intelligence.
D. The medulla oblongata regulates heart rate and breathing.

Correct Answer: Option D


Explanation:
The medulla oblongata contains vital centers that control involuntary functions like heart rate, breathing, and blood pressure. The cerebrum is responsible for memory, intelligence, and voluntary movements; the cerebellum coordinates balance and movement; the hypothalamus regulates body temperature, hunger, and hormone secretion.

This question belongs to: Science Biology
Question #3
In sunflower, the arrangement of leaves on the stem is:
A. Alternate
B. Opposite
C. Whorled
D. Basal rosette

Correct Answer: Option A


Explanation:
Phyllotaxy is the pattern of leaf arrangement on the stem. In sunflower (and many other plants like mustard), the phyllotaxy is alternate, meaning a single leaf arises at each node. In opposite phyllotaxy (e.g., guava), two leaves arise at a node, and in whorled (e.g., Nerium), more than two leaves arise at a node.

This question belongs to: Science Biology