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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
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MCQ Questions for CBSE Class 8 with Answers
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Plant Morphology Class 11 MCQ Questions With Answers
1.
The apex of root is protected by the
Root hair
Root cap
Meristematic cells
Cells present in the region of maturation
2.
The hanging structures that support a banyan tree are its _____
stilt roots
tap roots
prop roots
pneumatophores
3.
Alternate type of phyllotaxy is observed in which of the following ?
Calotropis
Guava
Alstonia
China rose
4.
In coconut the mesocarp formed is
Fibrous
Trichous
Hispid
Smooth
5.
Bud associated with the underground stem of potato is
Axillary
Apical
Adventitious
Internodal
6.
Which of the following is not a storage root?
Tap root of carrot
Tap root of turnip
Adventitious roots of sweet potato
Roots of banyan tree
7.
In monocotyledonous plants e.g. wheat, the primary root is short lived and is replaced by a large number of roots. These roots originate from the base of the stem and constitute the –
Prop roots
Pneumatophores
Napiform
Fibrous roots
8.
In Australian acacia plant
leaves are short lived, petioles become leaf like
leaves become fleshy
leaves are modified into spines
leaf tips are modified into tendrils
9.
When a pair of leaves arise at each node and lie opposite to each other is which phyllotaxy
Alternate
Simple
Compound
Opposite
10.
Pneumatophores are found in plants growing in swampy areas. Such roots are seen in –
Colocasia
Rhizophora
Ficus
Alstonia
11.
In some plants leaves are modified into _________ to store food?
Tensdrils
Spines
Fleshy part
Root
12.
In mango the inner hard seed covering is known as the
Mesocarpd
Mesocarp
Endocarp
Seed-carp
13.
Which of the following function is not performed by underground stem?
Reproduction
Assimilation
Perennation
Storage
14.
Number of leaflets are present on a common axis, the rachis are known as
Compound Leaf
Pinnately Compound Leaf
Palmately Compound Leaf
Simple Leaf
15.
A flower is –
A modified shoot
The reproductive unit in angiosperms
The reproductive unit of gymnosperms
a and b
16.
Pneumatophores help the plant in
Collects more minerals from the soil
getting oxygen from air
holding the plant tightly to the soil
give mechanical support to the plant
17.
Pericarp can be
Dry
Flesh
Both "A" and "B"
None of the Above
18.
Leafbase is swollen to form pulvinus in –
Some leguminous plants
Some crucifers
Some monocots
Some cycads
19.
Mango develops from ___________ superior ovaries and are ___ seeded
Monocarpellary; Two
Monocarpellary; Three
Monocarpellary; One
Polycarpellary; One
20.
Which of the following is not a part of root system?
Root cap
Node
Root hair
Meristem
21.
MODIFIED ROOTS IN Rhizophora WHICH HELP IN RESPIRATION ARE CALLED AS
CHROMATOPHORES
PNEUMATOPHORES
ANTHERIDIOPHORES
NONE OF THESE ABOVE
22.
Pneumatophores are useful in –
Respiration
Transpiration
Guttation
Protein synthesis
23.
Stilt roots grow from –
Lower internodes
Lower nodes
Upper nodes
Upper internodes
24.
Given below is a set of four pair of modification with examples. Identify the incorrect pairing.a) Colocasia - modified stemb) Citrus thorn - modified leafc) Phylloclade of Opuntia - modified stemd) Turnip - modified root
a
b
c
d
25.
If more than two leaves arise at nodes, the phyllotaxy is which type?
Alternate
Whorled
Opposite superposed
Opposite Decussate
26.
Roots developing from plant parts other than radicle are –
Epiphyllous
Epicaulous
Adventitious
Fibrous
27.
Arrangement of flowers on floral axis is called –
Placentation
Phyllotaxy
Inflorescence
Angiology
28.
Roots developed from parts of the plant other than the radicle will be called
Adventitious Roots
Tap root
Fibrous Roor
False Roots
29.
Reduced, discoid and underground stem is found in
Ginger
Turmeric
Potato
Onion
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