Prepare for NEET Biology Anatomy of Flowering Plants (Secondary Growth) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert solutions to understand cambial activity, growth rings, and wood formation.
NEET Questions / Botany / Anatomy of Flowering Plants / Secondary Growth
What is the function of the periderm?
Photosynthesis
Water transport
Protection
Nutrient storage
During secondary growth in dicot stems, the cells that form the phelloderm are:
Parenchymatous
Sclerenchymatous
Collenchymatous
Fibrous
In a woody dicot stem undergoing secondary growth, which tissue is responsible for increasing the girth of the stem?
Vascular cambium
Cork cambium
Apical meristem
Intercalary meristem
Which of the following is NOT a function of the periderm?
Protection against desiccation
Protection against mechanical injury
Protection against pathogens
Conducting water and minerals
Assertion: The cork cambium produces the secondary xylem and phloem in dicot stems.
Reason: Secondary growth leads to an increase in the girth of the stem.
Choose the correct option:
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Assertion is correct, but Reason is incorrect
Assertion is incorrect, but Reason is correct
Refer the given statements and select the correct option.
Statement A : Cork cambium is also called the extrastelar cambium.
Statement B : Phelloderm develops during secondary growth.
Only statement A is correct
Only statement B is correct
Both statements are correct
Both statements are incorr
Cork is used as the stopper for bottles, for shock absorption and insulation because of
It is light and compressible
Non-reactive
Sufficiently resistant to fire
All of the above
Cork is used as the stopper for bottles, for shock absorption and insulation because of
It is light and compressible
Non-reactive
Sufficiently resistant to fire
All of the above