Tag: botany

Questions Related to botany

Among bitter gourd, mustard, brinjal, pumpkin, china rose, lupin, cucumber, sun hemp, gram, guava, bean, chilli, plum, petunia, tomato, rose, withania, potato, onion, aloe, and tulip how many plants have hypogynous flower?

botany flower taxonomic description of flower technical terms related to flowers basics of leaf and flower

  1. Ten

  2. Fifteen

  3. Eighteen

  4. Six

Show answer
Correct Option: A

The cloves, which are used in food preparation are.

botany flower taxonomic description of flower technical terms related to flowers basics of leaf and flower

  1. Seeds

  2. Leaves

  3. Flower buds

  4. Stem tips

Show answer
Correct Option: C
Explanation:

Cloves are the dried flower buds of an evergreen tree native to eastern Indonesia. Cloves are a versatile spice that can be used in drinks and in both sweet and savoury dishes. 

So, the correct option is 'Flower buds'.

Biennials are

botany flower taxonomic description of flower technical terms related to flowers basics of leaf and flower

  1. Plants, which remain vegetative in first growing season but produce flowers in the next season.

  2. Plants producing flowers twice in their lifecycle.

  3. Plants, which flower many times.

  4. Plants finishing their lifecycle in one season only.

Show answer
Correct Option: A
Explanation:

Biennials are plants, that complete their life cycle in two growing seasons. They produce rosettes of leaves and sometimes the stems the first year, but do not flower until the second, after which they die.

Which of the following is not an unsexual flower?

botany flower taxonomic description of flower technical terms related to flowers basics of leaf and flower

  1. Coconut

  2. Papaya

  3. Gulmohor

  4. Maize

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Correct Option: A

Zygomorphic flower is represented by the symbol?

botany flower taxonomic description of flower technical terms related to flowers basics of leaf and flower

  1. $\star$

  2. &

  3. $#$

  4. $\%$

Show answer
Correct Option: A

For the basis of classification of kingdom plantae the floral characters of higher plants are taken as a basis, because

botany flower taxonomic description of flower technical terms related to flowers basics of leaf and flower

  1. Flowers can easily preserved

  2. Show great-variety in colours and structures

  3. Reproductive parts are more conservative

  4. None of the above

Show answer
Correct Option: C
Explanation:

Classification of higher plants  is based on  floral characters, because floral characters are more stable and permanent.

An incomplete flower DOES NOT contain?

botany flower taxonomic description of flower technical terms related to flowers basics of leaf and flower

  1. Calyx

  2. Corolla

  3. Androecium

  4. Any one or more floral whorls

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Correct Option: A

In a hypogynous flower?

botany flower taxonomic description of flower technical terms related to flowers basics of leaf and flower

  1. The thalamus is cup shaped

  2. The thalamus is conical shaped

  3. The thalamus is disc shaped

  4. The thalamus is fusiform

Show answer
Correct Option: A

Mark the correct statement.

botany flower taxonomic description of flower technical terms related to flowers basics of leaf and flower

  1. A flower having sepals, petals, stamens and pistils is complete.

  2. Stamens and pistils are not present together in all flowers.

  3. When both are present the flower is said to be perfect.

  4. All of the above.

Show answer
Correct Option: D
Explanation:

A bisexual flower is a flower that contains all the four whorls such as petals, sepals, the male reproductive structure (stamen) and female reproductive structure (pistil). Hence it is also called as a complete or perfect flower. 

Flowers which contain only three whorls such as petals, sepals, the male reproductive structure (stamen) or female reproductive structure (pistil) is said to be a unisexual or incomplete flower. 

Which one of the following statements is not correct?

botany flower taxonomic description of flower technical terms related to flowers basics of leaf and flower

  1. Unisexual flowers exhibit cross pollination.

  2. Unisexual flowers possess both stamen and pistil.

  3. After fertilisation, flowers give rise to fruits.

  4. The sequence of events of sexual reproduction in a flower is: pollination, fertilisation, embryo, seed.

Show answer
Correct Option: B
Explanation:

Unisexual flower is the one that possesses either stamens or carpels but not both.
Flowers give rise to fruit and seeds.
Thus, the correct answer is option (B), 'Unisexual flowers possess both stamen and pistil'.