MCQ
The pyrenoids are made up of:
- AProteinaceous centre and starchy sheath.
- BCore of protein surrounded by fatty sheath.
- CCore of starch surrounded by sheath of protein.
- DCore of nucleic acid surrounded by protein sheath.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(1)$ $C_4$ plants do not tolerate higher temperature.
$(2)$ $C_4$ plants show a response to high light intensities
$(3)$ $C_4$ plants lack a process called photorepiration.
$(4)$ Productivity of $C_4$ plants is less than $C_3$ plants.
$(5)$ $C_4$ acid $OAA$ is formed in the mesophyll in cells.
| Column $- I$ | Column $- II$ |
| $(1)$ Psilopsida | A. Sellaginella |
| $(2)$ Lycopsida | $(B)$ Adiantum |
| $(3)$ Sphenopsida | $(C)$ Equisetum |
| $(4)$ Pteropsida | $(D)$ Psilotum |