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Question
Assertion :A typical microsporangium of angiosperms is generally surrounded by four wall layers- epidermis, endothecium, middle layers and tapetum. Reason: The outer three wall layers perform the function of protection and help in dehiscence of anther to release the pollen.
Assertion :A typical microsporangium of angiosperms is generally surrounded by four wall layers- epidermis, endothecium, middle layers and tapetum. Reason: The outer three wall layers perform the function of protection and help in dehiscence of anther to release the pollen.
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Solution
The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
In angiosperms, the microsporangium represents the future pollen sac. A
typical microsporangium consists of two parts, outer wall and central
homogeneous sporogenous tissue. Microsporangial wall has four types of
layer-epidermis, endothecium, 1−3 middle layers and tapetum. The
outer three wall layers perform the function of protection in the young
anther and mechanism of dehiscence in the ripe anther.So, the correct answer is 'Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion'.
In angiosperms, the microsporangium represents the future pollen sac. A
typical microsporangium consists of two parts, outer wall and central
homogeneous sporogenous tissue. Microsporangial wall has four types of
layer-epidermis, endothecium, 1−3 middle layers and tapetum. The
outer three wall layers perform the function of protection in the young
anther and mechanism of dehiscence in the ripe anther.
So, the correct answer is 'Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion'.
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