Structural Symmetry in a Flower

Q. Radial symmetry is found in the flowers of

1. Brassica
2. Trifolium
3. Pisum
4. Cassia

Q. Zygomorphic flowers are found in

1. both a and b
2. Indigofera
3. Sweet pea
4. Petunia

Q.

A flower which can be divided into two equal halves in only one plane is

1. perfect

2. zygomorphic

3. actinomorphic

4. regular

Q. Radial symmetry is found in the flower of:

1. Cassia
2. Pisum
3. Brassica
4. Trifolium

Q.

What are the 4 types of flowers?

Q.

Define staminate flower.

Q.

Which flower has line of symmetry?

Q. Choose the incorrect statement.

1. Canna has asymmetric flowers
2. Calyx and corolla are accessory organs while androecium and gynoecium are reproductive organs
3. The flower of mustard plant shows actinomorphic symmetry
4. The flower of pea plant shows actinomorphic symmetry

Q.

What is corymbose raceme?

Q.

Flowers are zygomorphic in

1. Gulmohar

2. Tomato

3. Datura

4. Mustard

Q. What is a thalamus in a flower?

Q.

Give an example of a gamosepalous flower?

Q.

What type of inflorescence is a sunflower?

Q. Unisexual flowers are seen in

1. Castor
2. Maize
3. Cucurbits
4. All

Q.

Define Nectaries

Q.
Distinguish between flower and inflorescence

Q. Pollination in Rafflesia is caused by :

1. carrion flies
2. bat
3. elephant
4. crow

Q.

How many lobes does a typical angiosperm anther possess?

Q.

Name the following:

Two complete flower

Q.

Which of the following flowers is only one in its lifetime?

1. Jackfruit

2. Mango

3. Papaya

4. Bamboo species

Q.

Define the following:

Incomplete flower

Q.

Give one word for the following:​
(i) Arrangement of flowers on a twig.​

Q. Zygomorphic flowers are found in

1. Indigofera
2. Sweet pea
3. Petunia
4. both a and b

Q.

Define the following:

Complete flower

Q.

Differentiate between a complete flower and an incomplete flower.

Q. Ovary is said to be half inferior in which of the following conditions ?

1. Hypogynous
2. Perigynous
3. Epigynous
4. Both (b) and (c)

Q.

Give one word for the following: a group of flowers on a stalk.

Q. What are monocarpic and polycarpic plants?

Q. Choose odd one w.r.t. sexuality.

1. Papaya
2. Cucurbits
3. Coconut
4. Chara

Q. Annuals and biennials are typically:

1. Monocarpic
2. Bicarpic
3. Polycarpic
4. Cauliflorous