Cell The Unit of Life — BIOLOGY STD 11 Science — Question

Lock and key hypothesis was proposed by.

The concentration of whose ion is responsible for the assembly and disassembly of ribosome subunits?

Name two plants whose gynoecium is apocarpous.

Name the substance present in the cell wall of diatoms that makes them hard and indestructible.

On what factors does the rate of photo-synthesis depend?

In which stage of prophase-I of meiosis, homologous chromosomes lie side by side in pairs.

Write the reaction where substrate level phosphorylation takes place in glycolysis.

What is pericarp? Name its three different regions in a fleshy fruit.

What is meant by sheathing leaf base? Which type of plants have it?

When and where does reduction division take place in the life cycle of a liverwort, a moss, a fern, a gymnosperm and an angiosperm?