MCQ
The cells in the root and shoot apex
- AAre rich is protoplasm
- BHave conspicuous nuclei
- CHave their cell wall which are primary in nature, thin and cellulosic with abundant plasmodesmatal connections
- ✓All of the above
$(i)$ rich in protoplasm
$(ii)$ conspicuous nuclei
$(iii)$ cell wall are primary in nature, thin and cellulosic with abundant plasmodesmata connection
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$Y -$ Crossing over is the exchange of genetic material between two homologous chromosomes.
$(1)$ In chloroplast membranous system consisting of grana and the fluid stroma.
$(2)$ Pigments are present in stroma.
$(3)$ In stoma, enzymatic reactions in corporate $O_2$ into the plant leading to the synthesis of sugar.
$(4)$ Light is not required for formation of sugarin stroma.