MCQ
Blood circulation in insects is:
- AFlows in arteries and veins
- BWith red blood corpuscles
- ✓Open type
- DAbsent
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| Column $I$ | Column $II$ | ||
| $A.$ | Sternum | $i.$ | Synovial fluid |
| $B.$ | Glenoid Cavity | $ii.$ | Vertebrae |
| $C.$ | Freely movable joint | $iii.$ | Pectoral girdle |
| $D.$ | Cartilaginous joint | $iv.$ | Flat bones |
$(A)$ Inliverworts,mossesandferns gametophytes are freeliving.
$(B)$ Gymnosperms and some ferns are heterosporous.
$(C)$ Sexual reproduction in Fucus, Volvox andAlbugo is oogamous.
$(D)$ The sporophyte in liverworts is more elaborate than that in mosses.
$(E)$ Both, Pinus and Marchantia are dioecious. How many of the above statements are correct?