Morphology of flowering plants practice · Mixed difficulty

Wearing isolated a dormancy inducing substance from the leaves of a plant. From which type of gynoecium does the fruit of that plant develop?

Classification on the basis of chemical constituents of plant is known as

In Duranta, the nature of vasculated defensive structures represent the modification of

Thorn is a stem structure because it

Margin of thalamus grows above ovary and fuse with ovary in?

Tracheophyta consists of

Fruit is

The plant having monadelphous stamens and axile placentation is

An Angiospermic plant has 24 chromosomes in ‘microspore mother cells’. The number of chromosome in its endosperm will be

Inflorescence is

Which one is correct pair?

I. Petals II. Usually brightly coloured III. May be free IV. May be fused Features given above represents

Assertion (A) : In cassia and gulmohur, the aestivation is called Imbricate.

Reason (R) : In Imbricate aestivation, margins of sepals or petals overlap one another in perticular direction.

In the light of the above statements, choose the correct answer from the options given below :

Guttation occurs through

Assertion (A): Leaf veins helps only in transport of water, minerals and food material.

Reason (R): Veins do not provide any kind of rigidity to the leaf blade.

Parts of the plants were observed. Structure-A develops aerially and produces roots when comes in contact with the soil. Structure-B develops from underground part of the stem, grow obliquely, becomes aerial and produces roots on its lower surface. Identify, respectively the structure of A and B

Root are adventitious depending on their?

Pattern of arrangement of leaves on the stem or branches is called

In a plant, the peduncle is elongated and it bears pedicillate flowers. The older flowers lie towards the base and the younger ones near the apex. The growth of the peduncle continues and more flowers are added. The inflorescence is

Which of the following is not a character of a monocot?

The main function (s) of root is

What is NOT true regarding pea plant ?

I. Epicarp is thin II. Mesocarp is fleshy and edible III. Endocarp is strong hard These are the probable features of

In which of the following, parthenocarpy makes no sense?

Arrangement of sepals or petals with respect to the other members of same whorl is known as

In Acacia species, the first few leaves are pinnately compound. Then there are leaves with flattened petiole and fewer pinnae. The leaves of adult plant has parallel veined flattened petiole and no pinnae. It shows that

False Fruits are found in

Ginger multiples vegetatively by

Inflorescence is recemose in?

Assertion : Roots contain nodes but no leaves or buds.

Reason : Root branches arise endogenously.