List of top Botany Questions on Plant cell structure and differences from animal cells

Plasmodesmata are usually observed between

In Meselson--Stahl's experiment, if DNA of E.coli is extracted after 40 minutes, what will be the densities of DNA molecules formed (2nd generation)?

Mad cow disease causing prion reaches humans through beef and causes which disease?

Mobile genetic elements that replicate via an RNA intermediate:

Identify ``X'' name of enzyme; and ``Y'' enzyme class number by observing the reaction given below:
\[ \text{Glutamic acid} + NH_3 + \text{ATP} \xrightarrow{X} \text{Glutamine} + \text{ADP} + \text{iP} \]

Match the following:

Match the following:

Life cycle in Rockweed of Brown Algae is

Consider the following statements
Assertion (A): Achyranthes shows spike inflorescence
Reason (R): Spike shows basipetal arrangement of sessile flowers