MCQ
Bacteria are considered as plants, because
- ✓These have a rigid cell wall
- BThey have a green colour
- CThey can reproduce
- DThey are present everywhere
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$(1)$ In liverworts, mosses and ferns gametophytes are free-living
$(2)$ Gymnosperms and some ferns are heterosporous
$(3)$ Sexual reproduction in Fucus, Volvoxand albugo is oogamous
$(4)$ The sporophyte in liveworts is more elaborate than that in mosses
$(5)$ Both Pinus and Marchantia aredioecious
How many of the above statements are correct?
| (a) Tight junctions | (i) Cement neighbouring cells together to form sheet |
| (b) Adhering Junctions | (ii) Transmit information through chemical to another cells |
| (c) Gap junctions | (iii) Establish a barrier to prevent leakage of fluid across epithelial cells |
| (d) Synaptic junctions | (iv) Cytoplasmic channels to facilitate communication between adjacent cells |
Select correct option from the following