MCQ
Identify $X$ and $Y$ from the given figure
- A$X$ -Radicle, $Y$ -Plumule
- B$X$ -Plumule, $Y$ -Suspensor
- C$X$ -Suspensor, $Y$ -Cotyledon
- ✓$X$ -Cotyledon, $Y$ -Radicle
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$(A)$ In Equisetum, the female gametophyte is retained on the parent sporophyte.
$(B)$ In Ginkgo, male gametophyte is not independent.
$(C)$ The sporophyte in Riccia is more developed than that in Polytrichum.
$(D)$ Sexual reproduction in Volvox is isogamous.
$(E)$ The spores of slime moulds lack cell walls.How many of the above statements are correct?
| $(a)$ Protein | $(i)$ $SER$ |
| $(b)$ Lipid | $(ii)$ Golgi body |
| $(c)$ Glycoprotein | $(iii)$Lysosome |
| $(d)$ Hydrolytic enzyme | $(iv)$ $RER$ |
| Column-$I$ (Scientists) | Column-$II$ (Discovery) |
|
$A$. Ernst Mayr |
$I$. Discovered Viroids |
| $B$. Whittaker | $II$. Gave the name virus |
| $C$. Ivanowsky | $III$. Proposed five kingdom classification |
| $D$. Diener | $IV$. Evolutionary biology |
$a.$ Dry weight $b.$ Fresh weight
$c.$ Volume $d.$ Cell number