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Parts of Plant

Description: Parts of Plant
Number of Questions: 15
Created by:
Tags: 5051ss Parts of Plant & their Functions Parts of Flower
Attempted 0/15 Correct 0 Score 0

The leaf is attached to the stem by a stalk called

  1. twig

  2. petiole

  3. leaf base

  4. stalk

  5. tube


Correct Option: B
Explanation:

The leaf is attached to the stem by a stalk called petiole.

The network of thin tubes in the leaf is known as ___________.

  1. cluster

  2. branch

  3. network

  4. vein

  5. veinule


Correct Option: D
Explanation:

The network of thin tubes in the leaf is known as veins.

Which of the following structures is absent in parallel venation?

  1. Stomata

  2. Veins

  3. Petiole

  4. Leaf venation

  5. Mid rib


Correct Option: E
Explanation:

Mid rib is absent in parallel venation.

Which of the following structures helps in the exchange of gases?

  1. Leaf blade

  2. Petiole

  3. Stomata

  4. Mid rib

  5. Veins


Correct Option: C
Explanation:

Stomata helps in the exchange of gases during the process of photosynthesis, transpiration and respiration.

Which of the following structures is absent in (or around) stomata?

  1. Stoma

  2. Chloroplast

  3. Epidermal cells

  4. Guard cells

  5. Nucleus


Correct Option: E
Explanation:

Nucleus is absent in (or around) stomata.

The release of excess water from the stomata of the leaves is known as __________.

  1. transpiration

  2. respiration

  3. photosynthesis

  4. reproduction

  5. none of these


Correct Option: A
Explanation:

The release of excess water from the stomata of the leaves is known as transpiration.

The green pigment present in the leaves, which is essential for the food making process of the plant is called __________.

  1. stomata

  2. chlorophyll

  3. water

  4. stoma

  5. epidermal cells


Correct Option: B
Explanation:

The green pigment present in the leaves, which is essential for the food making process of the plant is called chlorophyll.

Which of the following is the main reproductive part of the plant?

  1. Leaf

  2. Root

  3. Stem

  4. Flower

  5. Root tip


Correct Option: D
Explanation:

Flower is the main reproductive part of the plant.

Pitcher plant is an example of ________.

  1. herb

  2. insectivorous plant

  3. tree

  4. monocotyledonous plant

  5. none of these


Correct Option: B
Explanation:

Pitcher plant is an example of insectivorous plant.

Which of the following structures are used in aroma therapy for curing diseases?

  1. Fruits

  2. Leaves

  3. Stems

  4. Flowers

  5. Seeds


Correct Option: D
Explanation:

Flowers are used in aroma therapy for curing diseases.

Which of the following dry flower buds are used as spices?

  1. Cumin

  2. Coriander

  3. Turmeric

  4. Chillies

  5. Saffron


Correct Option: E
Explanation:

The dry flower buds of saffron are used as spices.

Which of the following structures protects the flower in the bud stage?

  1. Calyx

  2. Petals

  3. Leaves

  4. Pedicel

  5. Seed


Correct Option: A
Explanation:

Calyx protects the flower in the bud stage.

A single unit of corolla is called

  1. node

  2. internode

  3. petal

  4. pedicel

  5. thalamus


Correct Option: C
Explanation:

A single unit of corolla is called a petal.

The flowers lacking which of the following structures are known as incomplete?

  1. Petal only

  2. Sepal only

  3. Androecium only

  4. Gynoecium only

  5. Any of the above


Correct Option: E
Explanation:

If any whorl of the flower is missing, it is known as incomplete. Hence, this option is correct.

Which of the following statements is wrong with respect to the androecium?

  1. It is the male part of the flower.

  2. The fourth whorl from outside consists of stamens.

  3. Each stamen has a stalk.

  4. Each stamen has a filament.

  5. The tip of the filament is known as the anther.


Correct Option: B
Explanation:

The third whorl, not the fourth, from outside consists of stamens. Hence, this statement is wrong.

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