Actinomorphic means

  • Bilateral symmetry

  • Radial symmetry

  • Bisexuality

  • Unisexuality

Zygomorphic means

  • Bilateral symmetry

  • Radial symmetry

  • Bisexuality

  • Unisexuality

Actinomorphic flower

  • When a flower can be divided into two equal radial halves in a single plane

  • When a flower can be divided into two equal radial halves in any radial plane

  • When a flower can be divided into two equal radial halves in a vertical plane

  • When a flower can be divided into two equal radial halves in a single radial plane

Zygomorphic flower

  • When a flower can be divided into two equal radial halves in a single plane

  • When a flower can be divided into two equal radial halves in any radial plane

  • When a flower can be divided into two equal similar halves in a single vertical plane

  • When a flower can be divided into two equal radial halves in a single radial plane

Which of the following flowers does not has actinomorphic symmetry?

  • Mustard

  • Datura

  • Chilli

  • Cassia

Which of the following flowers does not has zygomorphic symmetry?

  • Pea

  • Gulmohur

  • Cassia

  • Canna

Which of the following flowers doesn't has any symmetry?

  • Pea

  • Gulmohur

  • Cassia

  • Canna

Pentamerous flower means

  • It has five sepals.

  • Floral appendages are in multiple of five

  • Floral appendages are five in total

  • Each floral appendages are five in number

Bract is

  • Reduced stem

  • Reduced stipule

  • Reduced leaf

  • Reduced flower

Bract is found

  • At the base of the peduncle

  • At the base of the pedicel

  • At the base of the main axis

  • At the base of stem

Based on the position of the calyx, Corolla, and ……...with respect to ……..on the thalamus, the flowers are classified.

  • Gynoecium, stamen

  • Androecium, ovary

  • Ovary, Androecium

  • Stamen, Gynoecium

Hypogynous flower means,

  • Gynoecium occupies the highest while other parts are situated below it.

  • Abdroecium occupies the highest while other parts are situated below it.

  • Calyx occupies the highest while other parts are situated below it.

  • Gynoecium occupies the lowest while other parts are situated below it.

Hypogynous flower

  • Superior ovary

  • Inferior ovary

  • Half inferior

  • Half superior

Epigynous flower

  • Superior ovary

  • Inferior ovary

  • Half inferior

  • Half superior

Hypogynous flower

Doesn't hold true.

  • China rose

  • Mustard

  • Brinjal

  • Guava

The perigynous flower is not

  • Peach

  • Plum

  • Rose

  • Cucumber

The epigynous flower is not

  • Guava

  • Cucumber

  • Ray florets of sunflower

  • China rose

The perigynous flower has ovary-

  • Half inferior

  • Superior

  • Inferior

  • None of these

If gynoecium is situated in the center and other parts of the flower are located on the rim of the thalamus almost at the same level, such type of flower is

  • Epigynous

  • Perigynous

  • Hypogynous

  • Both 2 and 3

Which of the following is not true about Calyx?

  • The outermost whorl of a flower

  • Members are sepals

  • Generally sepals are yellow and petal like

  • Protect the flower in the bud stage

Sepals are free-

  • Gamosepalous

  • Polysepalous

  • Pentasepalous

  • Tetrasepalous

Corolla

  • Members are petals

  • Brightly colored to attract insects for pollination

  • Variable shape and color

  • All of these

Corolla may be

  • Tubular, Bell shaped

  • Funnel shaped

  • Wheel shaped

  • All of these

Aestivation

  • The mode of arrangement of sepals or petals in the floral bud with respect to the other members of the same whorl.

  • The main types of aestivation are-Valvate, Twisted, Imbricate and Vexillary

  • Aestivation can be of sepals, Petals and perianth

  • All of these

When sepals or petals in a whorl just touch one another at the margin without overlapping, such Aestivation is called

  • Twisted

  • Valvate

  • Imbricate

  • Vexillary

When one margin of the appendage overlaps that of the next one and so on, such Aestivation is called

  • Twisted

  • Valvate

  • Imbricate

  • Vexillary

The standard overlaps lateral petals and that in turn overlap keel, such Aestivation is called as

  • Twisted

  • Valvate

  • Imbricate

  • Vexillary

Valvate Aestivation (petal) is found in

  • Calotropis

  • Pea

  • Beans

  • China rose

Twisted Aestivation (petals) is found in

  • Calotropis

  • Pea

  • Beans

  • China rose

Twisted Aestivation (petal) is not found in

  • Calotropis

  • Lady's Finger

  • China rose

  • Cotton

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