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Morphology of Leaf

Description: leaf LeafLeaf
Number of Questions: 45
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What is the other name used for petiole of leaf?

  1. Vagina

  2. Hypopodium

  3. Mesopodium

  4. Epipodium


Correct Option: C
Explanation:

It is the name used for petiole of leaf.

Which of the following plants has a scaly stipule?

  1. Shoe flower

  2. Cassia

  3. Gardenia

  4. Castor


Correct Option: B
Explanation:

It has scaly stipule.

Which of the following types of stipules is present in Hibiscus rosa-sinesis?

  1. free lateral stipule

  2. scaly stipule

  3. intrapetiolar stipule

  4. opposite stipule


Correct Option: A
Explanation:

This type of stipule is present in Hibiscus rosa-sinesis, the shoe flower

Which of the following plants has tendrillar stipule?

  1. Capparis

  2. Acacia

  3. Smilax

  4. Polygonum


Correct Option: C
Explanation:

Tendrillar stipule is present in Smilax.

Which of the following plants has unicostate reticulate venation?

  1. Peepal

  2. Castor

  3. Luffa

  4. Smilax


Correct Option: A
Explanation:

It has unicostate reticulate venation.

Which of the following types of stipule is present in Lathtrus odoratus?

  1. Intra petiolar stipule

  2. Foliaceous stipule

  3. Interpetiolar

  4. Adnate stipule


Correct Option: B
Explanation:

This kind of stipule is presnt in Lathtrus odoratus.

Which of the following plants do not have a spiny stipule for their protection?

  1. Zizyphus

  2. Acacia

  3. Capparis

  4. Smilax


Correct Option: D
Explanation:

This plant has stipular tendril for climbing.

Which of the following dicot plants is an exception to reticulate venation?

  1. Calophyllum

  2. Mangifera

  3. Ricinus

  4. Smilax


Correct Option: A
Explanation:

It is a dicot plant but does not have the charcteristic reticulate venation.

The mode of arrangement or distribution of leaves on stem and branches is called

  1. Phyllotaxis

  2. Phototaxis

  3. Venation

  4. Dichotomy


Correct Option: A
Explanation:

The mode of arrangement or distribution of leaves on stem and branches is called phyllotaxis

Which of the following plants has multicostate parallel convergent venation?

  1. Bamboo

  2. Banana

  3. Mango

  4. Castor


Correct Option: A
Explanation:

It has multicostate parallel convergent venation.

In which of the following conditions, is the incision hardly half way from the margin to the midrib?

  1. Pinnatifid

  2. Palmatifid

  3. Pinnatisect

  4. Pinnatipartite


Correct Option: A
Explanation:

In this the incision is hardly half way from the margin to the midrib.

In which of the following monocot plants is parallel venation present?

  1. Smilax

  2. Arisaema

  3. Discorea

  4. Banana


Correct Option: D
Explanation:

It is a monocot plant with parallel venation.

In which of the following plants, is palmatisect incision of leaf blade seen?

  1. Ipomoea

  2. Castor

  3. Cotton

  4. Chrysanthemum


Correct Option: A
Explanation:

This plant has palmatisect incision.

Which of the following types of leaves is present in carrot?

  1. Unipinnate

  2. Bipinnate

  3. Tripinnate

  4. Decompound


Correct Option: D
Explanation:

This type of leaves is found in carrot.

Which of the following types of leaf blade incision is seen in railway creepers?

  1. Palmatisect

  2. Palmatipartite

  3. Pinnatifid

  4. Palmatifid


Correct Option: A
Explanation:

This type of incision is seen in railway creepers.

A single leaflet articulated from the tip of the petiole is

  1. unipinnate

  2. decompound

  3. unifoliate palmate

  4. pinnate


Correct Option: C
Explanation:

This type of leaves arise singly from petiole.

Which of the following venations is found in banana leaves?

  1. Multicostate parallel venation

  2. Unicostate parallel venation

  3. Multicostate reticulate venation

  4. Unicostate reticulate venation


Correct Option: B
Explanation:

This type of venation is present in banana leaves as it is a monocot.

In which of the following plants are decompound leaves not found?

  1. Acacia

  2. Coriandrum

  3. Foeniculum

  4. Daucus carota


Correct Option: A
Explanation:

Bipinnate leaves are found in acacia.

Which of the following statements is true about pinnate compound leaf in contrast to branch bearing simple leaf?

  1. It bears a terminal bud

  2. Its growth is unlimited

  3. Its leaflets are borne in various planes

  4. Its leaflets bear no axillary buds


Correct Option: D
Explanation:

No bud is present in the axil of the leaflets of pinnate compound leaves.

Which of the following types of tendrils are found in a pea plant?

  1. Leaflet tendril

  2. Leaf-tip tendril

  3. Stipular tendril

  4. Petiolar tendril


Correct Option: A
Explanation:

The leaflet of a pinnate compound leaf is modified to tendril in the pea plant.

In which of the following plants is the petiolar tendril found?

  1. Lathyrus odoratus

  2. Pisum sativum

  3. Smilax

  4. Clematis


Correct Option: D
Explanation:

It is the old man's beard plant , it has petiolar tendril.

Which of the following modifications is related to leaf?

  1. Corm

  2. Cladode

  3. Phyllode

  4. Phylloclade


Correct Option: C
Explanation:

It s the leaf modification, in which the petiole becomes flattened.

Which of the following types of palmate compound leaf is present in Medicago (methi)?

  1. Bifoliate palmate

  2. Unifoliate palmate

  3. Trifoliate palmate

  4. Multifoliate palmate


Correct Option: C
Explanation:

This type of compound leaf is found in Medicago.

The part of leaf that gets modified to form tentacles in drosera is

  1. lamina

  2. midrib

  3. apex

  4. margin


Correct Option: D
Explanation:

Magrin gets modified to sensetive tentacles in Drosera.

In which of the following insectivorous plants, are the leaf blades modified to sensitive tentacles?

  1. Nepenthes

  2. Utricularia

  3. Dionaea

  4. Drosera


Correct Option: D
Explanation:

Its tentacles are sensitive and give the appearance of dew, so its common name is sundew.

Which of the following functions is performed by the phyllode?

  1. Photosynthesis

  2. Protection

  3. Climbing

  4. Water storage


Correct Option: A
Explanation:

The petiole becomes flattened and performs photosynthesis.

In which of the following conditions are the leaves borne at the nodes of the stem branches?

  1. Radical

  2. Cauline

  3. Ramal

  4. Persistent


Correct Option: C
Explanation:

In this condition, the leaves are borne on the stem branches.

In pitcher plant, the part of plant modified to pitcher is

  1. Petiole

  2. Pedicle

  3. Lamina of leaf

  4. Apex of the leaf


Correct Option: C
Explanation:

Lamina of leaf folds up to form the pitcher.

Pitcher plant is the common name of

  1. Nepenthes

  2. Utricularia

  3. Drosera

  4. Dionoea


Correct Option: A
Explanation:

 It's common name is pitcher plant.

Which of the following venations is present in mango leaves?

  1. Unicostate parallel venation

  2. Multicostate parallel venation

  3. Unicostate reticulate venation

  4. Muticostate reticulate venation


Correct Option: C
Explanation:

This type of venation is present in mango leaves, as the veins form a network and tend to meet at a point.

Which of the following plants does not have the leaf which can store water for dry conditions?

  1. Aleo

  2. Bryophyllum

  3. Agave

  4. Bougainvillea


Correct Option: D
Explanation:

It has floral leaves which is a device for pollination.

What is the term used for the condition when leaves fall off soon after opening of the bud?

  1. Evergreen

  2. Persistent

  3. Caducous

  4. Deciduous


Correct Option: C
Explanation:

In this condition, leaves fall off as soon as the bud opens.

In which of the following conditions is the lamina of leaf long with blunt apex?

  1. Acicular

  2. Cordate

  3. Obovate

  4. Oblong


Correct Option: D
Explanation:

This is the condition when lamina is long and apex is blunt.

Which of the following plants has the persistent leaf duration?

  1. Mulberry

  2. Dalbergia

  3. Nerium

  4. Euphorbia royleana


Correct Option: C
Explanation:

Its leaf duration is persistent and plant is evergreen.

In which of the following plants is the radical type leaf insertion found?

  1. Maize

  2. Sugarcane

  3. Turnip

  4. Dalbergia


Correct Option: C
Explanation:

In this plant, the leaves are inserted in groups on discoid stem.

In which of the following plants is the petiole spongy, which provides buoyancy to the plant?

  1. Eichhornia

  2. Trapaeolum

  3. Clematis

  4. Citrus


Correct Option: A
Explanation:

 Echhornia is an aquatic plant, which gets bouyancy by swollen petiole.

Which of the following parts of the leaf gets modified into phyllode?

  1. Petiole

  2. Lamina

  3. Midrib

  4. Apex


Correct Option: A
Explanation:

The petiole becomes flattened and takes up the function of food storage.

What type of leaf margin is seen in rose and mentha?

  1. Serrate

  2. Dentate

  3. Crenate

  4. Entire


Correct Option: A
Explanation:

Serrate is the margin in rose and mentha.

Which of the following shapes of lamina reflects its adaptation to higher altitudes?

  1. Acicular

  2. Ovate

  3. Cordate

  4. Rotund


Correct Option: A
Explanation:

The lamina is needle shaped to prevent deposition of snow on it.

Which of the following plants does not have colourful floral leaves to attract insects for pollination?

  1. Bougainvillea

  2. Euphorbia splendens

  3. Euphorbia pulcherrima

  4. Citrus


Correct Option: D
Explanation:

These  have phyllode for photosynthesis.

Rotund leaf lamina is seen in

  1. Lotus

  2. Nerium

  3. Jack fruit

  4. Betel leaf


Correct Option: A
Explanation:

Rotund is a round leaf lamina found in lotus plant.

What is the shape of the lamina in reniform condition?

  1. Kidney shaped

  2. Heart shaped

  3. Arrow shaped

  4. Sickle shaped


Correct Option: A
Explanation:

The reniform lamina is kidney shaped.

In which of the following plants is the leaf capable of catching insects?

  1. Mulberry

  2. Calotropis

  3. Nepenthes

  4. Citrus


Correct Option: C
Explanation:

The leaves are modified to a pitcher, which traps the insect entering it.

What is the type of the margin marked with rounded teeth with notches in-between?

  1. Crenate

  2. Biserrtae

  3. Undulate

  4. Ciliate


Correct Option: A
Explanation:

Crenate is the margin with round teeth and notches in between.

What is the shape of the lamina of Calotropis?

  1. Auriculate

  2. Lyrate

  3. Hastate

  4. Rhomboidal


Correct Option: A
Explanation:

The leaves are sessile and form two lobes at the base; one on each side of the stem.

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