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Sexual Reproduction in Plants

Thalamus is .

Question

Thalamus is _____________.

A

Base of flower

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B

Base of ovary

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C

Modification of pollen

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D

Modification of petal

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Solution

The correct option is A Base of flower
The base of the flower which is at the tip of the pedicel swells to form a cone-like structure called the thalamus. The thalamus consists of nodes and highly reduced internodes.
Thus, the correct answer is option A.

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Q. Select the correct option.
i) A typical flower only consists of fertile parts.
ii) Differentiation and further development of the floral primordium happens before several hormonal and structural changes are initiated.
iii) Floral buds are borne on the inflorescence axis.
iv) The distal end of the filament in a stamen is attached to the thalamus or petal.

Q. Petals of a flower are arranged in such a way that each overlaps a petal on one side and is overlapped by other petal on the other side. The aestivation is _______.

Q. Read the statements carefully :
a) Flowers are morphological and embryological marvel and the site of sexual reproduction
b) The proximal end of the filament is attached to the thalamus or the petal of the flower
c) The number and length of stamens are variable in flowers of different species
d) stamen attached to the petal is epipetalous
How many above statements are correct

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