EASY
Earn 100

All flowers have pedicel.

50% studentsanswered this correctly

Important Questions on Structural Organisation in Plants

EASY
Match the following lists:
  List-I   List-II
(A) Musa, Cocos, Colocasia (I)

Corymb

(B) Crotalaria, Mangifera (II)

Spike

(C) Cassia, Cauliflower (III)

Umbel

(D) Achyranthes, Grasses (IV) Spadix
    (V) Raceme

The correct match is:

MEDIUM
   List - I     List - II
(a) Flowers appear to have arisen from the same point of peduncle (i) Corymb
(b) The sessile flowers are arranged on peduncle in acropetal manner (ii) Umbel
(c) The sessile unisexual and neuter flowers arranged in acropetal succession protected by a modified bract (iii) Spike
(d) Unisexual and/or bisexual sessile flowers develop centripetally on a condensed peduncle (iv) Capitulum
    (v) Spadix

The correct answer is

EASY
Verticillaster inflorescence, the ratio between male and female flowers is:
MEDIUM
In the case of spadix inflorescence, the entire inflorescence is covered by large green or white petaloid bract is called _____.
MEDIUM

Fill in the blank with the correct option from the bracket.

The type of inflorescence in which the main axis is not terminated by a flower is called _____. (solitary, racemose, helicoid, cymose)

MEDIUM

Fill in the blank with the correct option from the bracket.

The type of inflorescence in which the main axis grows for an indefinite period is called _____. (cymose, racemose, solitary, scorpioid)

EASY
Each spikelet may bear one to several flowers or florets attached to a central stalk known as a _____.
EASY
Cyathium and hypanthodium inflorescences are related in having:
MEDIUM

Fill in the blank with the correct option from the bracket.

Raceme inflorescence bears flowers in _____ succession. (basipetal, centrifugal, acropetal)

EASY
In cyathium inflorescence, the ratio between male : female flower is
HARD

Fill in the blank with the correct option from the bracket.

The inflorescence of sunflower is called _____. (cyathium, verticillaster, capitulum, spadix)

HARD

Fill in the blank with the correct option from the bracket.

The inflorescence of raktodrone (Leonurus) is called _____. (hypanthodium, cyathium, umbel, verticillaster)

HARD
In which inflorescence sessile flowers develop from the base to apex and the axis is not terminated by a bud?
MEDIUM
The inflorescence which look like an open umbrella is called _____ inflorescence.
MEDIUM

Fill in the blank with the correct option from the bracket.

The inflorescence of fig is called _____. (cyathium, capitulum, verticillaster, hypanthodium)