HSC Science कक्षा ११ - Tamil Nadu Board of Secondary Education Question Bank Solutions

A meristematic tissue consists of ______.

The word meristem is derived from the Greek word ______.

Cork cambium is an example of ______ meristem.

The meristem found at the base of internodes is called ______.

In apple, parenchyma stores ______.

Differentiate halpontic and diplontic life cycle.

Write the similarities and differences between Avicennia and Trapa.

Select the correctly matched one.

Write the physiological effects of Cytokinins.

Which one of the following statement about virus is correct

What is protonema?

Differentiate long and dwarf shoot.

These questions consist of two statements each printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses.

Assertion: Secondary growth in dicot roots occurs with the help of vascular cambium and phellogen.

Reason: Vascular cambium is completely primary in origin.

In unisexual plants, sex can be changed by the application of ____________.

Bring out the significance of phase contrast microscopy

What are the parameters used to measure growth of plants?

Fibers are extensively longer ranging from 20 mm to 550 mm ______.

Write the distinguishing features of monera.

Briefly discuss on five Kingdom classification. Add a note on merits and demerits.

Which of the following is polycarpic plant?