Flowers_MCQ_Advance Level

Flower - Advance

Dear Readers,

A flower is the reproductive part of a plant that produces seeds. Plants that produce flowers and fruit are called angiosperms. There are more than 300,000 species of angiosperms, and their flowers and fruits vary significantly. Flowers and fruits are among the most useful features for identifying plant species.

Q1.  Gynobasic style is that which arises from the base of the thalamus. It is found in

•  Salvia
•  Petunia
•  Brassic
•  Pea

Salvia

Q2.  When both sexes are absent from a flower or are non-functional, the flower is said to be

•  Neutral
•  Incomplete
•  Unisexual
•  Intersexual

Neutral

Q3. If the thalamus projects into the ovary and the carpels remain attached to it. It is known as

•  Carpophore
•  Thalamophore
•  Anthophore
•   Androphore

Carpophore

Q4.  When the placentae bearing ovules develop from the central axis of ovary having one placenta in each chamber, the placentation is called

•  Axile
•  Basal
•  Parietal
•  Marginal

Axile

Q5.  When the filaments are attached to the carpels throughout their whole length or by their anthers only, the condition is called

•  Epigynous
•  Gynandrous
•  Epiphyllous
•  None of these

Gynandrous

Q6.  Bicarpellary syncarpous gynoecium, parietal placentation, tetradynamous stamens and siliqua fruit are characteristic features of family

•  Cucurbitaceae
•  Cruciferae
•   Compositae
•  Solanaceae

Cruciferae

Q7. Bilocular oblique ovary with numerous shining ovule on swollen axile placenta is the characteristics of

•  Cruciferae
•   Solanaceae
•  Liliaceae
•  Malvaceae

Solanaceae

Q8.  Persistent calyx forms a dry bladder like structure enclosing edible berry in

•   Physalis
•  Nicotiana
•  Capsicum
•  Solanum

Physalis

Q9. Placentation, in which ovules develop on axial column, not connected with ovary wall is called

•  Axile
•  Parietal
•  Free-central
•  Marginal

Free-central

Q10.  When the filaments are united into a number of bundles but the anthers are free the stamens are said to be

•  Monoadelphous
•   Diadelphous
•  Polyadelphous
•   Syngenesious

Polyadelphous