Home
Class 12
BIOLOGY
In Amorphophallus and Colocasia (Ariods)...

In Amorphophallus and Colocasia (Ariods) an extremely enlarged underground vertical stem meant for vegetative reproduction and storage is

A

Rhizome

B

Tuber

C

Bulb

D

Corm

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the extremely enlarged underground vertical stem in Amorphophallus and Colocasia, we will analyze the options provided and identify the correct answer step by step. ### Step-by-Step Solution: 1. **Understanding the Question**: The question asks for the type of underground stem in Amorphophallus and Colocasia that is enlarged for vegetative reproduction and storage. 2. **Identifying the Options**: The options given are: - A) Rhizome - B) Tuber - C) Bulb - D) Corm 3. **Analyzing Each Option**: - **Rhizome**: This is a thick, horizontal underground stem that has nodes and internodes. It is not primarily vertical and is not the correct answer. - **Tuber**: This is a swollen tip of an underground stem, typically arising from the lower part of the stem. While it stores food, it does not fit the description of being a vertical stem. - **Bulb**: A bulb is a specialized underground structure with a conical stem and layers. It is not the correct answer as it does not match the description of being an enlarged vertical stem. - **Corm**: A corm is a thickened, fleshy underground stem that grows vertically and is used for storage and vegetative reproduction. This matches the description given in the question. 4. **Conclusion**: Based on the analysis, the correct answer is **D) Corm**. Amorphophallus and Colocasia have corms that serve the purpose of storage and vegetative reproduction. ### Final Answer: The extremely enlarged underground vertical stem meant for vegetative reproduction and storage in Amorphophallus and Colocasia is called a **Corm**.
Promotional Banner

Topper's Solved these Questions

  • SENSE ORGANS

    DINESH PUBLICATION ENGLISH|Exercise All Questions|285 Videos

  • STRUCTURAL ORGANISATION IN ANIMALS

    DINESH PUBLICATION ENGLISH|Exercise Check your grasp|10 Videos

Similar Questions

Explore conceptually related problems

Type of modified stem meant for vegetative reproduction in pineapple is also present in

Underground stems are primarily meant for

The star-shaped bodies meant for the vegetative reproduction of Chara are rich in

In Amorphophallus and Colocasia vegetative reproduction is carried out though

In Amorphophallus and Crocus vegetative reproduction occurs by means of

Which underground stem helps in the storage of food and perennation ?

A short, vertical underground stem that contains the food reserve is called

A vertically growing thick usually unbranched underground stem with more diameter than length is

Read the following statements and select the correct option. Statement -1 : the stem tubers are the swollen ends of spcialised underground stem branches, which help in vegetative propagation of the plant. Statement-2 : Solanum tuberosum is an example of a stem tuber which stores inulin as the main reserve food material.

Read-the following statements carefully and give the answer? A) A leaf is a lateral, generally flattened structure borne on the stem B) The axillary bud later may develop into a branch or flower C) Leaves originate from shoot apical meristem D) Stem perform the functions of storage, support, protection and vegetative reproduction How Many of them are correct