MCQ
Which organelle lisin touch with outer nuclear membrane ?
- ✓Endoplasmic reticulum
- BMitochondria
- CGolgi bodies
- DChloroplast
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$I.$ Increase in the volume of the thoracic chamber in dorsoventral axis
$II.$ Upward and outward movement of the ribs
$III.$ Contraction of intercostal muscles
$IV.$ Entry of air inside the lungs
$V.$ Contraction of the diaphragm
$VI.$ Increase in the volume of the thoracic chamber in antero-posterior axis
Choose the correct option
$(1)$ 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?