Tag: the living world of plants

Quizzes (20) Questions (13)

Questions Related to the living world of plants

Multiple choice biology the living world of plants parts of flower and its functions flower to flower parts of a flower

In Clerodendron _________ flower opens first.

  1. Peripheral

  2. Younger

  3. Terminal

  4. Lower
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Clerodendron shows cymose inflorescence so younger flowers are present at the base of the inflorescence, while older flowers are present at the top. Such an arrangement is called basipetal succession. The peripheral flowers open first.

So, the correct option is 'Peripheral'.

Multiple choice biology the living world of plants parts of flower and its functions flower to flower parts of a flower

Anther and filament are the parts of 

  1. Style

  2. Stigma

  3. Stamen

  4. Ovary
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The style is the part of the pistil which leads to the formation of the pollen tube.
Stigma is the part of the pistil which holds the pollen.
Stamen is the male reproductive part of the flower which is made up of two parts the filament which is a stalk that attaches to anther bilobed structure that forms pollen grains.
The ovary is the main female part that leads to the formation of an ovum.
So, the correct option is 'Stamens'.

Multiple choice biology the living world of plants parts of flower and its functions flower to flower parts of a flower

The part of the plant which produce pollens are 

  1. Ovules

  2. Anther

  3. Filament

  4. Both B and C
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Anther is the bilobed structure that forms pollen grains which are attached with a stalk known as filament and they combine to form the stamens which are known as the male reproductive part of a plant.

So, the correct option is 'Anther.'

Multiple choice biology the living world of plants parts of flower and its functions flower to flower parts of a flower

Some example are given below how many of them have both following characters?
(1) Axile placentation
(2) Adhesion of stamen
Salyia, Mustard, China rose, Dianthus, Argemone, Tomato, Potato, Oetunia, Gloriosa, Aloe, Sesbania, Trifolium

  1. Three

  2. Four

  3. Seven

  4. Six
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Axile placentation is found in China rose, Tomato, Potato, Petunia, Aloe. Adhesion of stamen (epipetalous) is found in Solanaceae (Tomato, Potato, Petunia) and Malvaceae (China rose). The intersection is Tomato, Potato, Petunia, China rose.

Multiple choice biology the living world of plants parts of flower and its functions flower to flower parts of a flower

Stamens are also called

  1. Calyx

  2. Corolla

  3. Androecium

  4. Gynoecium
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Image result for whorls of flower
The whorl of the flower are differentiated into two categories essential and non-essential whorl and are consists of 
  1. Calyx which is considered as the outermost whorl and its unit is known as sepals and are green in color helps in protection of flower.
  2. Corolla is the second non-essential unit and is composed of petals and are colored and helps to attract pollinators.
  3. Stamens or androecium are the male reproductive part and responsible for the production of pollen grains (male gamete).
  4. Carpels or gynoecium are the female reproductive part and produce ovum (female gamete).
So the correct option is 'Androecium'.
Multiple choice biology the living world of plants parts of flower and its functions flower to flower parts of a flower

Which of the following characteristics are associated with petals?

  1. Green in colour and leaf-like

  2. Colourful and have different shapes

  3. Male part of the flower

  4. Female part of the flower
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Corolla is the nonessential unit of a flower and is composed of petals and are colored with distinct shapes and sizes which helps to attract pollinators.

So the correct option is 'Colourful and have different shapes'

Multiple choice biology the living world of plants parts of flower and its functions flower to flower parts of a flower

The bisexual flowers contain both

  1. Pistil and stamen

  2. Ovary and anther

  3. Pistil and ovule

  4. Ovary and stamen
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Stamen or androecium are the male reproductive part and responsible for the production of pollen grains (male gamete). Pistil or gynoecium are the female reproductive part and produce ovum (female gamete). If both the organs are present it is called bisexual flower. If one of them is present the flower is referred to as unisexual.
So the correct option is 'Pistil and stamen'.

Multiple choice biology the living world of plants parts of flower and its functions flower to flower parts of a flower

Study of flowers is

  1. Anthology

  2. Phenology

  3. Floriculture

  4. Agrostology
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

  1.  Anthology is the published collection of writings.
  2. Phenology is the study of cyclic and seasonal natural phenomenon in relation to climate plant and animal life.
  3. Floriculture is the branch of biology that deals with the study of a flower.
  4. Agrostology is the branch of botany that deals with grasses.
So, the correct answer is 'Floriculture'

Multiple choice biology the living world of plants parts of flower and its functions flower to flower parts of a flower

The male part of the flower is known as 

  1. Filament

  2. Anther

  3. Stamen

  4. Pistil
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Stamens or androecium are the male reproductive part contains filament which is a slender stalk and anther is a bilobed structure which is responsible for the production of pollen grains (male gamete).

So, the correct option is 'Stamen'