Biology 1st Paper CQ-Jessore Board-2021

What is primary meristem?

Write down the characteristics of meristem tissue.

Write down the difference of internal structure of root and stem of the plant stated in sample-B.

Give a description of the vascular bundle tissue of the two plants stated in the sample $A$ and $C$.

What is Chiasmata?

Write down the demerits of uncontrolled mitosis cell division.

What is indicated by the above figure and explain the different phases of step-2.

Above process stated in the stem play an important role in evaluation.-Give logic in this regards.

What is limiting factor?

What is meant by floral symbol?

Describe the steps of assimilatory of carbon by specimen plants-1 stated in the stem.

Analyze the importance of carbon assimilatory pathway of specimen plant-2 stated in the stem.

What is $\mathrm{RQ}$ ?

What is meant by casparian strip?

Describe the catalysts of the process indicated in A-process stated above.

Write the functions of part-B stated in the stem.

What is hydathode?

What is meant by cytocrome pump?

What are the steps of the given process and among the steps explain the modern theory of the first step.

Analyze the justification of the last line stated in the stem.