Biology Flower 1 Online Exam Quiz
Biology Flower 1 GK Quiz. Question and Answers related to Biology Flower 1. MCQ (Multiple Choice Questions with answers about Biology Flower 1
Which among the following is not correct about flower?
Options
A : A flower has 4 whorls arranged successively i.e. calyx, corolla, androecium and gynoecium
B : Members of calyx and corolla are called as sepals and petals respectively
C : In polysepalous, the sepals are arranged in a free manner whereas in gamosepalous, the sepals are united
D : Tulip is an example of polypetalous
Which among the following is incorrect about stamens?
Options
A : A stamen mainly contains of anther, filament and connective tissue
B : An anther is a bilobed structure present at the tip of filament with each lobe bearing 2 pollen sacs
C : Epipetalous flowers are those flowers in which stamens are attached to petals
D : Sunflower is an example of epiphyllous
Which among the following is incorrect about Carpel?
Options
A : Basal enclosed part of carpel is called ovary
B : Ovules are attached to cushion like structure called Placenta
C : Stigma is the part of the carpel that receives pollen grain
D : Arrangement of ovules within the ovary is called Aestivation
Which among the following is not correct about free-central placentation?
Options
A : In basal placentation, ovule is present at base of the ovary
B : In parietal placentation, placenta is swollen at centre and ovules get arranged around it
C : In apical placentation, ovule is present at apex of the ovary
D : Lemon is an example of axial placentation
Which among the following statements is incorrect about stamens?
Options
A : In epiphyllous flowers, stamens are attached to perianth
B : Stamens attached to carpels are gynandrous
C : In monoadelphous, all filaments of stamens are bunched and all the stamens are united
D : In polystemonous, stamens are free i.e. they are neither attached to any part of the flower nor to each other
Which among the following is incorrect about different types of Placentation?
Options
A : In marginal placentation, placenta develops on the ventral side of an ovary
B : Unlike marginal placentation where ovary is single chambered, in axile placentation ovary is multi-chambered
C : Okra is an example of axial placentation i.e. ovary is multi-chambered and ovules are attached to the central axis
D : Papaya is an example of basal placentation
Which among the following is incorrect about racemose and cymose?
Options
A : In racemose inflorescence, the youngest flower remains at the top of floral axis
B : In cymose inflorescence, the floral main axis continues to grow throughout the life
C : In racemose inflorescence, indefinite number of flowers are formed
D : In cymose inflorescence, the axilary branches continue to grow throughout the life
Which among the following plays a vital role in pollination of pollen grains?
Options
A : Petals
B : Sepals
C : Pedicel
D : Carpel
Flower is a modified shoot and is the reproductive organ in a flowering plant.
Options
A : True
B : False
C :
D :
The inner most whirl in a flower is called Gynoecium and the members of Gynoecium are called carpels.
Options
A : True
B : False
C :
D :
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