MCQ
Cortex is the region found between
- ✓epidermis and stele
- Bpericycle and endodermis
- Cendodermis and pith
- Dendodermis and vascular bundle.
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$(i)$ Methanogens are archaebacteria which produce methane in marshy areas.
$(ii)$ Nostoc is a filamentous bluegreen alga which fixes atmospheric nitrogen.
$(iii)$ Chemosynthetic autotrophic bacteria synthesize cellulose from glucose.
$(iv)$ Mycoplasma lack a cell wall and can survive without oxygen.The correct statements are
$(i)$ It is ten enzymatic reactions that convert a six-carbon molecule to a three carbon pyruvate and result in a net gain of $2\, ATP$ molecules.
$(ii)$ Glucose undergoes partial oxidation to form one molecule of pyruvic acid.
$(iii)$ Glucose is phosphorylated to give rise to glucose $- 6 -$ phosphate by the activity of the enzyme phosphofructokinase.
$(iv)$ The scheme of glycolysis was given by Gustav Embden, Otto Morrison, and $J$. Parnas and is often referred to as the $EMP$ pathway.
$(v)$ $ATP$ is utilized at two steps: first in the conversion of glucose into glucose $6-$ phosphate and second in the conversion of fructose $- 6-$ phosphate to fructose $1, 6-$ disphosphate