Tag: basics of leaf and flower

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Questions Related to basics of leaf and flower

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

Flower which is called as the 'Bird of Paradise' is

  1. Ravenea madagascariensis

  2. Sterilitzia reginae

  3. Heliconia schlideana

  4. Musa chinensis
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sterilitzia reginae is the botanical name of the bird of paradise flower. It is called so because of the resemblance of its flowers to birds-of-paradise. In South Africa, it is commonly known as a crane flower.

So the correct option is 'Sterilitzia reginae'.

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

Which floral condition are represented by the symbol $\oplus$ and $\%$ respectively?

  1. Zygomorphic and actinomorphic flowers

  2. Actinomorphic and zygomorphic flowers

  3. Hypogynous and epigynous flowers

  4. Bisexual and unisexual flowers
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

actinomorphic flower - star shaped or radial- that can be divided in to two identical parts by a plane passing through the center. and is represented by a plus sign contained within a circle.

Example, Hibiscus,Rosa etc
Zygomorphic flower: can be divided into identical halves only through a single plane, bilateral symmetry.
represent in floral formula as %
So, the correct answer is 'Actinomorphic and zygomorphic flowers'

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

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?

  1. Ten

  2. Fifteen

  3. Eighteen

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

Hypogynous flowers have the gynoecium situated at the highest position on the thalamus. Among the listed plants, mustard, brinjal, china rose, lupin, gram, bean, chilli, petunia, tomato, and withania are hypogynous, totaling ten.

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

The cloves, which are used in food preparation are.

  1. Seeds

  2. Leaves

  3. Flower buds

  4. Stem tips
Reveal answer Fill a bubble to check yourself
C Correct answer
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'.

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

Biennials are

  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.
Reveal answer Fill a bubble to check yourself
A Correct answer
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.

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

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

  1. Flowers can easily preserved

  2. Show great-variety in colours and structures

  3. Reproductive parts are more conservative

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

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

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

In a hypogynous flower?

  1. The thalamus is cup shaped

  2. The thalamus is conical shaped

  3. The thalamus is disc shaped

  4. The thalamus is fusiform
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In a hypogynous flower, the gynoecium occupies the highest position while the other floral parts are inserted below it, and the thalamus is typically conical or convex shaped.