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Leaf Morphology

Description: Incision of lamina
Number of Questions: 15
Created by:
Tags: Incision of lamina leaf apex venation types of leaves Structural Organisation in Animals and Plants Biology
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Which type of apex date palm leaves have?

  1. Tendriller

  2. Spinous

  3. Obtuse

  4. Cirrhose


Correct Option: B
Explanation:

Date palm leaves have Spinous apex.

Which type of buds are present on the axil of leaflets?

  1. Apical buds

  2. Axillary bud

  3. No bud

  4. Accessory bud


Correct Option: C
Explanation:

Leaflets never bear any bud in their axil.

Which type of leaf apex appears to be sharply cut?

  1. Mucronate

  2. Truncate

  3. Emarginate

  4. Cuspidate


Correct Option: B
Explanation:

Leaf apex appears to be sharply cut in truncate type of leaf apex.

The leaf apex are Cirrhose, Obtuse and Caudate in ____, ____ and ________, respectively.

  1. Banyan, Banana, Peepal

  2. Banana, Peepal, Banyan

  3. Banana, Banyan, Peepal

  4. Peepal, Banyan, Banana


Correct Option: C
Explanation:

The leaf apex are Cirrhose, Obtuse and Caudate in Banana, Banyan and Peepal, respectively.

What is an apex with a notch known as?

  1. Caudate

  2. Mucronate

  3. Retuse

  4. Acute


Correct Option: C
Explanation:

The apex with a notch is known as retuse.

Which of the following sentences is/are correct?

  1. Veins consist of xylem and phloem.

  2. Veins give mechanical strength to lamina.

  3. Vein is the connecting link of lamina with the branch or stem.

  4. Both (1) and (2)


Correct Option: D
Explanation:

Veins give mechanical strength to lamina and consist of conducting tissues, i.e. xylem and phloem.

What are the non-green leaves which contain reserve food and are present inside the seed called?

  1. Scale leaves

  2. Bract leaves

  3. Cotyledonary leaves

  4. Floral leaves


Correct Option: C
Explanation:

The leaves present inside the seed and contain reserve food are called Cotyledonary leaves.

What kind of leaves are present in silk cotton?

  1. Palmate Bifoliate

  2. Palmate Trifoliate

  3. Palmate Multifoliate

  4. Palmate Quadrifoliate


Correct Option: C
Explanation:

Silk cotton have Palmate Multifoliate leaves, i.e. more than four leaflets are present on the rachis.

Veinlets are palmate and divergent in

  1. castor

  2. plum

  3. bay leaf

  4. tejpat


Correct Option: A
Explanation:

Castor has palmate and divergent veins.

What are the coloured leaves of Bougainvillea called?

  1. Sporophylls

  2. Prophyll

  3. Hypophyll

  4. Scale leaves


Correct Option: C
Explanation:

The coloured leaves of Bougainvillea are called Hypophyll.

In which of the following plants a simple leaf is found?

  1. Acacia

  2. Moringa

  3. Papaya

  4. Murraya


Correct Option: C
Explanation:

Simple leaf is found in papaya. It is incised.

A leaf was found to have pulvinus leaf base, scaly stipule, ovate lamina, entire margin and obtuse apex. What can the leaf be identified as?

  1. Mango leaf

  2. Peepal leaf

  3. Banyan leaf

  4. Smilax leaf


Correct Option: C
Explanation:

A banyan leaf has pulvinus leaf base, scaly stipule, ovate lamina, entire margin and obtuse apex.

Parallel venation is seen in the leaves of

  1. Roses

  2. Calophyllum

  3. Dioscorea

  4. Mango


Correct Option: B
Explanation:

Calophyllum leaves have parallel venation. Calophyllum is a dicot plant, but it shows parallel venation.

What is a Unipinnate leaf with even number of leaflets called?

  1. Imparipinnate

  2. Paripinnate

  3. Unipinnate compound

  4. Decompound


Correct Option: B
Explanation:

A Unipinnate leaf with even number of leaflets is called Paripinnate leaf.

What kind of venation is seen in grass, rice and bamboo?

  1. Parallel Multicostate divergent

  2. Parallel Multicostate Convergent

  3. Reticulate Multicostate Convergent

  4. Reticulate Multicostate divergent


Correct Option: B
Explanation:

The venation seen in grass, rice and bamboo is parallel Multicostate Convergent.

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