Morphology of Flowering PlantsContact Number: 8527521718Morphology of Flowering PlantsContact Number: 8527521718The endosperm is not present in the mature seeds of
1. Bean, gram
2. Pea, cucumber
3. Castor, cucumber
4. More than one option is correct
Floral formula of the mustard plant is
1.
2.
3.
4.
Solanum tuberosum and Allium cepa are similar in the presence of
1. Axile placentation
2. Epipetalous condition
3. Versatile anther
4. Obliquely placed ovary
Below labeled structures (A and B) in the diagram represent a modification of
1. A - Stem B - Leaf
2. A - Bud B - Leaf
3. A - Leaf B - Stem
4. A - Leaf B - Leaf
Which is incorrect with respect to pneumatophore?
1. They are found in all aquatic plants
2. They are also known as respiratory roots
3. They bear small pores lenticels
4. They have corky layer in lower part
Select incorrect statement with respect to racemose inflorescence
1. The main axis continues to grow
2. Peduncle bears flowers in basipetal/centrifugal manner
3. The main axis is not terminated into flower
4. It is an indeterminate inflorescence
Choose correct pair
Placentation Example
1. Marginal - Dianthus, Silene
2. Axile - Pea, Acacia
3. Parietal - Lemon, Petunia
4. Basal - Triticum, Sunflower
Position of ovary is superior in
1. Hypogynous flower
2. Perigynous flower
3. Epigynous flower
4. Mesogynous flower
Drupes are also called as stone fruits because
1. The seeds are stone like
2. Endocarp is always hard and stony
3. Pericarp is undifferentiated and sclerified
4. The mesocarp is edible in most fruits
The pitcher in pitcher plant is a modification of
1. leaf base
2. Petiole
3. Lamina
4. Leaf apex
Coleoptile and coleorhiza are absent in
1. Zea mays seed
2. Triticum turgidum seed
3. Gram seed
4. More than one option is correct
Underground modification of stem occurs for following special functions, except
1. Storage of food
2. Vegetative propagation
3. Assimilation
4. Perennation
In which type of placentation ovary is one chambered and the placenta bearing ovules develop on the inner wall of the ovary and, the number of placenta corresponds to the number of carpels?
1. Marginal
2. Parietal
3. Axile
4. Free central
Which one of the following combinations of floral characters is shown by potato family?
| 1. | Actinomorphic, bicarpellary and axile placentation with swollen placenta |
| 2. | Zygomorphic, pentamerous, gamopetalae with endospermous seed |
| 3. | Actinomorphic, hypogynous and monocarpellary |
| 4. | Zygomorphic, polypetalae and parietal placentation |
Select the correct match
Plants Stamens Placentations
1. Pea Diadelphous Basal
2. China rose Monadelphous Parietal
3. Tomato Epipetalous Axile
4. Lemon Polyadelhous Free central
Photosynthetic organ originates from _______ meristem and arranged in _______ order.
1. Lateral, basipetal
2. Root apical, acropetal
3. Shoot apical, acropetal
4. Intercalary, acropetal
Veins of leaf in addition to acting as channels of transport of water, minerals and food materials also
1. Determine the extent of incision of the lamina
2. Provide rigidity to the leaf blade
3. Hold the leaf blade to light
4. Flutter the leaf in wind thus, helping in cooling of leaf and bringing fresh air
Choose the correct option with respect to Solanaceae
a. Alternate, Stipulate, cauline leaves
b. Bisexual actinomorphic flowers
c. Five persistent calyx
d. Epipetalous, diadelphous condition
e. Axile placentation with swollen placenta
f. Floral formula
1. a, b, d, e, f
2. a, b, c
3. b, c, e
4. b, c, d, f
In Australian Acacia plant, the
1. Leaves are small and long-lived
2. Petiole carries out the functions of the lamina
3. leaves are modified into pitchers
4. Petioles are called as cladophyll after modification
The type of placentation in plants in which ovary is unilocular but it becomes two-chambered due to the formation of the false septum is
1. Free central
2. Basal
3. Parietal
4. Marginal
Select the incorrect statement with respect to family Liliaceae
1. Fruit is generally berry
2. Flower is bisexual and actinomorphic
3. Seed is endospermous
4. Ovary is trilocular with many ovules
Characters like a hypogynous and pentamerous flower, gamopetalous, superior ovary with axile placentation and epipetalous condition are shown by angiospermic family ____________
1. Fabaceae
2. Solanaceae
3. Asteraceae
4. Liliaceae
Half superior-half inferior ovary is found in the perigynous flower of
1. Peach
2. China rose
3. Mustard
4. Sunflower
In which plant, petals in a whorl just touch one another at the margin, without overlapping in the floral bud?
1. Cassia
2. Calotropis
3. China rose
4. Trifolium
Match the Column-l with Column-ll
| Column-l | Column-lI | ||
| a. | Marginal placentation | i. | Single ovule is present in unilocular ovary |
| b. | Axile placentation | ii. | Replum may be present |
| c. | Parietal placentation | iii. | Placenta forms a ridge along the ventral suture of ovary |
| d. | Basal placentation | iv. | Tomato, Lemon |
1. a(iii), b(i), c(iv), d(ii)
2. a(ii), b(iii), c(iv), d(i)
3. a(iii), b(iv), c(ii), d(i)
4. a(iii), b(iv), c(i), d(ii)
In mango and coconut plants, the fruit
1. Has hard and stony endocarp
2. Is developed from a polycarpellary superior ovary
3. Is developed from the apocarpous ovary
4. Is multi seeded
Modified aerial stem with the branching of unlimited growth as the photosynthetic structure is
1. Flattened in Opuntia and Euphorbia
2. Fleshy and cylindrical in Euphorbia
3. Cylindrical in Opuntia
4. Cylindrical in Euphorbia and Opuntia
Swollen leaf base in the leguminous plants is called as
1. Phyllode
2. Pulvinus
3. Cladode
4. Phylloclade
Pinnately compound leaves have all the following features except
1. leaflets are attached to rachis or its branches
2. Possess a bud in the leaf axil
3. Leaflets attached at the tip of the petiole
4. Stipules may be present at the base of the rachis
Choose the incorrect statement with respect to racemose inflorescence
1. Acropetally arranged flowers
2. Growing point or shoot apex is consumed
3. Centripetal anthesis
4. Flowers may be unisexual or bisexual
Select the correct match
1. Lily - Epiphyllous stamen
2. Argemone - Axile placentation
3. Tomato - Apocarpous ovary
4. China rose - Staminode present
Which among the following is a characteristic of pea and bean?
1. Monadelphous stamens
2. Marginal placentation
3. Twisted aestivation
4. Endospermic seed
Which of the following zone of the root has thin cell wall, dense cytoplasm and large nucleus?
1. Region of maturation
2. Region of elongation
3. Region of root hair
4. Region of meristematic cells
Which of the following type of placentation is found in Dianthus?
a.
b.
c.
d.
1. a
2. b
3. c
4. d
If gynoecium is situated in the centre and other floral parts are located on the rim of the thalamus almost at the same level, then the flower is said to be
1. Perigynous
2. Epigynous
3. Hypogynous
4. Protogynous
Floral formula of Solanum nigrum represents
1. Epitepalous condition
2. Epipetalous androecium
3. Polyserpalous calyx
4. Tricarpellary gynoecium
Which of the given figures represents the aestivation of corolla in Gulmohur and Cassia?
1.
2.
3.
4.
The cells proximal to the merismatic zone in root tip represents
1. Zone of cell elongation
2. Zone of deacceleration
3. Zone of differentiation
4. Zone of maturation
Scar present on seed coat through which the developing seeds were attached to fruit is called
1. Micropyle
2. Hilum
3. Funicle
4. Stalk
Which of the features given below are correct for coconut fruit?
a. Developed from monocarpellary ovary
b. Fibrous mesocarp
c. Formed from inferior ovary
d. Hard stony endocarp
e. Edible mesocarp
1. a, c & d
2. c, d & e
3. b, c & d
4. a, b & d
In which of the given plant's placenta develops at the base of the ovary and a single ovule is attached to it?
1. Tomato, Lemon
2. Mustard, Argemone
3. Dianthus, Primrose
4. Sunflower, Marigold
Androecium of Citrus and Bombax plants is
1. Synandrous
2. Monadelphous
3. Polyadelphous
4. Diadelphous
Developing on position of calyx, corolla and androecium with respect to the ovary on thalamus the flowers are divided into how any categories?
1. Two
2. Three
3. Four
4. Five
Select a correct match
1. Staminode - Solanaceae
2. Actinomorphic flower - Cassia, Bean, Gulmohur
3. Zygomorphic flower - Chilli, Tomato
4. Inferior ovary - Cucumber, Guava
Choose the correct identification for given below plants respectively
1. Whorled phyllotaxy, Palmately compound leaf
2. Pinnately compound leaf, Whorled phyllotaxy
3. Palmately compound leaf, Whorled phyllotaxy
4. Alternate phyllotaxy, Palmately compound leaf
Thorn is
1. Modification leaf
2. Axillary bud modified
3. Climbing structure
4. Always non-woody
Select the odd one out with respect to veins
1. Provide rigidity to the leaf blade
2. Act as channels of transport for water and minerals
3. Veins are filled with parenchyma
4. Middle prominent vein is mid-rib
In a racemose inflorescence the flowers
1. Are only pistillate
2. Open centrifugally
3. Are arranged basipetally
4. Are arranged acropetally
Pneumatophores are a modification of
1. Prop root for exchange of gases
2. Taproot for retention of moisture
3. Adventitious root for breathing
4. Taproot for respiration
Bougainvillea and Citrus plants are protected from browsing animals as
1. Adventitious buds get modified into thorns
2. Axillary buds get modified into spines
3. Lateral buds get modified into pointed structures
4. Apical buds get modified into thorns
