Bulb
Trending Questions
Q.
The edible part of an onion bulb consists of
underground root.
fleshy stem.
leaf lamina.
leaf bases.
Q. Corm is a modification of
- root
- leaf
- stem
- bud
Q.
Why onion is considered a stem?
Q.
The most important part of the plant that helps in the continuation of the life of a particular species is
stem
leaves
root
flower
Q.
Onion and turnip is a modification of which plant part-root or leaf base?
Q.
Describe modifications of stem with suitable examples
Q. Ginger is an underground stem. It is distinguished from root because
- It lacks chlorophyll
- It stores food
- It has nodes and internodes
- It has xylem and vessels
Q. Assertion :Stems of some plants protect from browsing animals.
Reason: Axillary buds of stems of these plants are modified into thorns.
Reason: Axillary buds of stems of these plants are modified into thorns.
- Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
- Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
- Assertion is correct but Reason is incorrect
- Both Assertion and Reason are incorrect
Q. Which one of the following is not an underground modification of a stem?
- Rhizome
- Runner
- Corm
- Bulb
Q.
Bulb is a modification of:
Root
Stem
Radicle
Plumule
Q.
Bulb is a modification of:
Plumule
Root
Stem
Radicle
Q.
Diagrams of certain underground modifications of stem are given below. Select the option that correctly identifies them.
a = Rhizome; b = Bulb; c = Tuber
a = Tuber; b = Rhizome; c = Bulbil
a = Rhizome; b = Tuber; c = Bulb
a = Corm; b = Tuber; c = Bulb
Q. Thorn is a stem structure because it is
- Axillary
- Hard pointed structure
- Like a branch
- Aerial
Q. which type of stem act as organs of perennation to tide over conditions unfavourable for growth?