EASY
Earn 100

How many plants in the given below possesses unisexual flowers?

Cucumber, maize, papaya, castor, Cycas, date palm.

50% studentsanswered this correctly

Important Questions on Morphology of Flowering Plants

MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
Among the members of the list given below, how many plants have superior ovaries?

China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip.
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
Proximal end of the filament of stamen is attached to the:
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
Free central placentation is not present in:
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
Radial symmetry is found in the flowers of
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
What is polygamous? Give an example.
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
The hilum is a scar on the:
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
Which of the following flowers is unisexual?
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
Match Column - I with Column - II and select the correct option using the codes given below:
Column–I Column–II
a. Pistils fused together (i) Gametogenesis
b. Formation of gametes (ii) Pistillate
c. Hyphae of Ascomycetes Fungus  (iii) Syncarpous
d. Unisexual female flower (iv) Dikaryotic
HARD
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
In the ABC model of floral organ determination in Arabidopsis, the expression of class Agenes alone determines the development of sepals, expression of class A genes along with class B genes determines petal formation, expression of class B genes along with class C genes determines the formation of stamens and expression of class genes alone determines carpel formation. Loss of class B gene function would result in flowers with whorls in the following order (from outer whorl to inner whorl)
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R):

Assertion (A): A flower is defined as modified shoot wherein the shoot apical meristem changes to floral meristem.

Reason (R): Internode of the shoot gets condensed to produce different floral appendages laterally at successive nodes instead of leaves.

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

EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
Free-central placentation is found in
HARD
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
Identify the plant's families and arrange the families based on the numerical numbers in ascending order.
Phaseolus, Smilax, Dracaena, Colchicum, Cajanus, Withania, Atropa, Datura, Ruscus, Capsicum, Derris, Cesturm.
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
The term 'polyadelphous' is related to ------------
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
Perigynous flowers are found in:
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers?
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
What is the fate of the male gametes discharged in the synergid?
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is :
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
The standard petal of the papilionaceous corolla is also called:
EASY
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
Sketch and label "structure of a pea flower'
MEDIUM
Biology>Structural Organisation in Plants and Animals>Morphology of Flowering Plants>Flower
Match the following lists.
  List-I   List-II   List-III
A China Rose i Acropetal succession I Branched peduncle
B Colocasia ii Mesocarp is fleshy II Hypogynous
C Panicle iii Alternative phyllotaxy III Epigynous
D Cucumber iv Neuter flowers IV Corm

The correct match is: