MCQ
Agar-Agar is obtained from
- AGigartina
- BGelidium
- CGracillaria
- ✓All the above
It is a non-nitrogenous carbohydrate consisting of two polysaccharides namely agarose and agaropectin. It is obtained from several red algae.
e.g., Gracillaria, Gelidium, Gigartinia. It was discovered by Lady Hesse and used by Robert Koch to solidify culture medium.
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$\begin{array}{|p{0.6\linewidth}|p{0.3\linewidth}|} \hline Column\,\,-I & Column\,\,-II \\ \hline (1)\,\,Molecule\,\,transport\,\,from\,\,chloroplast\,\,to\,\,peroxisome. & (p)\,\,Glycine \\ \hline (2)\,\,Molecule\,\,transport\,\,from\,\,peroxisome\,\,to\,\,mitochondria & (q)\,\,serine \\ \hline (3)\,\,molecule\,\,transport\,\,from\,\,mitochondria\,\,to\,\,peroxisome & (r)\,\,Glycerate \\ \hline (4)\,\,Molecule\,\,transport\,\,from\,\,peroxisome\,\,to\,\,chloroplast & (s)\,\,Glycolate \\ \hline \end{array}$
$(a)$ 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 molds lack cell walls.
How many of the above statement are correct?