A dicot plant lacking cotyledons is
Cuscuta
Santalum
Lodoicea
none of these
Lady finger belongs to the family
solanaceae
malvaceae
cruciferaceae
leguminacae
In mangrove vegetation, plants possess
taproot
stilt root
pneumatophore
haustorial roots
In the diagram of types of placentation given above 'A', 'B', 'C' and 'D' respectively represent
basal, axile, parietal and free central
free central, parietal, basal and axile
axile, basal, parietal and free central
parietal, axile, free central and basal
Which of the following has synandrous condition
Colocasia
Cucurbita
Mimosa
Ricinus
Following is not true of monocots
most of the food of the seed is stored in endosperm
have parallel veins in their leaves
flower parts occur in fours
flower parts occur in threes
Which floral family has (9) + 1 arrangement of anthers in the androecium?
Malvaceae
Rutaceae
Fabaceae
Caesal pinaceae
Clove is a
floral bud
modified root
auxillary bud
seed
Velamen is a specialized tissue found in
aerial roots of orchids
succulent leaves
pneumatophores
stilt roots
Coconut's husk fibre, coir of commerce is extracted from
epicarp
mesocarp
endocarp
all of these
When the filament runs throughout the length of anther, it is called
adnate
dorsi fixed
versatile
syngenesious
Which of the following is the largest root parasite?
Rafflesia
Areuthobium
Monotrapa
Pistia
The family containing mustard and its main characters are
Brassicaceae - Tetramerous flowers, six stamens, bicarpellary gynoecium, siliqua type fruit.
Brassicaceae - Pentamerous flowers, many stamens, pentacarpellary gynoecium, capsule type fruit
Solanaceae - Pentamerous flowers, five stamens, bicarpellary gynoecium, berry type fruit
Poaceae - Trimerous flowers, three stemens, monocarpellary gynoecium, caryopsis type of fruit
Velamen present in orchids helps in
absorption of nutrients from host plant
respiration
absorption of moisture from air
synthesising food
Which among the following is a rootless plant?
Nymphaea
Sagittaria
Ceratophyllum
Vallisneria
Composite fruit develops from
single ovary
inflorescence
apocaropous ovary
pericarp
Cocoa is the plant from which chocolate is made. Which part is used to extract it?
Flower
Fruit
Seeds
Bark
The cells of the quiescent centre are characterised by
having dense cytoplasm and prominent nuclei
having light cytoplasm and small nuclei
dividing regularly to add to the corpus
dividing regularly to add to tunica
Which of the following is true?
Umbel is a racemose inflorescence where all stalked flower aggregate on the flat receptacle.
Raceme is a racemose inflorescence having main axis shortened & flower born acropetally.
(c) Spadix is a racemose inflorescence having pendulous spike with main axis much flattened.
(d) Spike is a racemose inflorescence having sessile flowers
The given figure shows L.S of the seed of maize. What do A, B, C, and D represent?
(1)
A : endosperm
B : scutellum
C : plumule
D : coleoptile
A : scutellum
B : pericarp
C : radicle
D : coleorrhiza
(4)
(2)
(3)
Tap root system does not has
Primary root
Secondary root
Fibrous root
Tertiary root
In monocotyledonous plants, the primary root is short lived and is replaced by a large number of roots, such system is known as
Tap root system
Adventitious root system
Fibrous root system
Reproductive root system
The roots which arise from parts of the plant other than the radicle and are called
Given is the list, how many of the following have Tap root system.
Mustard, wheat, Grass, Monstera, Banyan.
One
Three
Four
Two
Given is the list, how many of the following have Adventitious root system.
Identify the given figures A, B, C, D and E.
A
B
C
D
E
Marginal
Axile
Free Central
Parietal
Basal
Free central
Which of the following is correctly matched?
Monstera - Fibrous root
Dahlia - Fasciculated root
Azadirachta - Adventitious root
Basil - Prop roots
Plants with inferior ovary usually bear
pseudocarps
berries
aggregate fruits
seedless fruits
Plants having the above given floral diagram are
leguminous
dicots
medicinal and perennial
having pinnately compound leaves
Match Column - I With Column - II and choose the correct option from below.
Column - I
Column - II
A.
Marginal placentation
(i)
Sunflower
B.
Axile placentation
(ii)
Mustard
C.
Parietal placentation
(iii)
Lemon
D.
Basal placentation
(iv)
Pea
A - (iv), B - (iii), C - (ii), D- (i)
A - (iv), B - (iii), C - (i), D- (ii)
A - (iv), B - (i), C - (ii), D- (iii)
A - (iii), B - (iv), C - (ii), D- (i)
Please disable the adBlock and continue. Thank you.
