Q5. Assertion: a free-living unicellular organism is a complete living unit. Reason: in suitable surroundings, its single cell performs the essential functions of life. Are both true, and does the reason explain the assertion?
Both are true, and the reason explains the assertion (NCERT page 87).
Q6. Are we unicellular or multicellular?
Multicellular: we are composed of many cells (NCERT page 87).
Q7. What did Robert Hooke actually see in cork?
The walls of dead cells, which he called “cells” (beyond the NCERT text).