0

Morphology of Plants - Flower

Description: Proteins
Number of Questions: 15
Created by:
Tags: sepals calyx Morphology of Plants Plants Structural Organisation in Animals and Plants Biology
Attempted 0/15 Correct 0 Score 0

Which one of the following is not a modification of calyx?

  1. Foliaceous

  2. Spinous

  3. Caryophyllaceous

  4. Spurred


Correct Option: C
Explanation:

Caryophyllaceous is a form of corolla.

In which kind of flowers is superior ovary found?

  1. Perigynous

  2. Hypogynous

  3. Epigynous

  4. Epiphyllus


Correct Option: B
Explanation:

A superior ovary is found in hypogynous flower. Ovary occupies the highest position and all other floral whorls develop below the ovary.

What is the epicalyx composed of?

  1. Sepals

  2. Petals

  3. Bracteoles

  4. Leaves


Correct Option: C
Explanation:

Epicalyx is considered a whorl of bracteoles.

In which of the following plants is campanulate calyx found?

  1. Hyoscyamus

  2. Gossypium

  3. Athaea

  4. Larkspur


Correct Option: C
Explanation:

In Athaea flower campanulate calyx is found.

Which of the following calyx helps in dispersal of fruits?

  1. Foliaceous

  2. Pappus

  3. Hooded

  4. Spinous


Correct Option: B
Explanation:

Pappus help in the dispersal of fruits.

Which flower has lip-like calyx?

  1. Aconitum

  2. Atropa belladona

  3. Ocimum

  4. Trapa


Correct Option: C
Explanation:

In Ocimum, lip like calyx is present.

What is the modification of calyx into hair called?

  1. Spurred calyx

  2. Pappus

  3. Foliaceous

  4. Spinous


Correct Option: B
Explanation:

Modification of calyx into hair-like structures is called pappus.

Which form of calyx is present in Datura?

  1. Urceolate

  2. Campanulate

  3. Tubular

  4. Bilabiate


Correct Option: C
Explanation:

Tubular form of calyx is found in Datura.

Which of the following pairs is incorrect?

  1. Campanulate - Petunia

  2. Tubular - Datura

  3. Bilabiate - Ocimum

  4. Infundibuliform - Henbane


Correct Option: D
Explanation:

Henbane has Urceolate form of calyx.

Which persistent calyx shows continuous growth even after fertilisation?

  1. Acrescent

  2. Marcescent

  3. Gamosepalous

  4. Caudous


Correct Option: A
Explanation:

Acrescent calyx is a persistent calyx that shows continuous growth even after fertilisation.

Which of the following plants bear actinomorphic flower?

  1. Oscimum

  2. Pea

  3. Mustard

  4. Canna


Correct Option: C
Explanation:

Mustard plant bears actinomorphic flower.

Which of the following flowers has all the sepals free from one another?

  1. Datura

  2. Hibiscus

  3. China Rose

  4. Brassica


Correct Option: D
Explanation:

Brassica is a polysepalous flower with all the sepals fused with one another.

Which of the following is an example of a sepal modified into a hood?

  1. Sunflower

  2. Mussaendia

  3. Aconitum

  4. Larkspur


Correct Option: C
Explanation:

Aconitum has a sepal modified into a hood.

Which of the following flowers has 6-fold symmetry?

  1. Bee attractor

  2. Oleander

  3. Tiger flower

  4. Yellow pitcher plant


Correct Option: B
Explanation:

Oleander has 6-fold symmetry.

What are the flowers with only one vertical axis of symmetry known as?

  1. Actinomorphic

  2. Zygomorphic

  3. Irregular

  4. Infundibuliform


Correct Option: B
Explanation:

Zygomorphic flowers can be divided into two halves, only by a vertical section.

- Hide questions