The petiole connects the stem to the ____________.
Leaf Blade
Root
Margin
Base
Q.2.
What's the main function of the leaf?
Absorb Sunlight
Make Food
Attract Insects
Move Water and Minerals
Q.3.
Pneumatophores are useful in –
Respiration
Transpiration
Guttation
Protein synthesis
Q.4.
Pneumatophores are found in plants growing in swampy areas. Such roots are seen in –
Colocasia
Rhizophora
Ficus
Alstonia
Q.5.
Adventitious roots are adventitious in their –
Function
Position
Place of origin
Internal structure
Q.6.
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
Q.7.
Regions of root from base to root tip are –
Maturation zone - Cell division zone - Elongation zone
Maturation zone - Elongation zone - Cell division zone
Cell division zone - Elongation zone - Maturation zone
Elongation zone - Cell division zone - Maturation zone
Q.8.
Root is meant for –
The fixation of plant
Absorption of water
Storage of food
All of the above
Q.9.
Root hairs develop from –
Region of maturation
Zone of elongation
Meristematic region
Region of mature cells
Q.10.
Root formed from prolongation of radicle is –
Primary root
Secondary root
Tertiary root
Seminal root
Q.11.
Stilt roots grow from –
Lower internodes
Lower nodes
Upper nodes
Upper internodes
Q.12.
Primary roots and its branches constitute –
Adventitious root system
Tap root system
Fibrous roots
Seminal roots
Q.13.
Roots developing from plant parts other than radicle are –
Epiphyllous
Epicaulous
Adventitious
Fibrous
Q.14.
A few millimeters above the root cap is the region of –
Elongation
Maturation
Meristematic activity
Root hairs
Q.15.
Stilt roots are reported from –
Maize
Radish
Mango, Ginger
Bryophyllum
Q.16.
Cymose inflorescence is identified by –
Basipetal arrangement of flowers on the main axis (peduncle)
The limited growth of the main axis as main axis terminates in a flower
Both a and b
Presence of sessile flower
Q.17.
Leaves are modified into tendrils in –
Parkinsonia
Pea
Ranunculus
Oxalis
Q.18.
A flower is –
A modified shoot
The reproductive unit in angiosperms
The reproductive unit of gymnosperms
a and b
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