Download App

STD 12 - 10. Biomolecules — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 10. Biomolecules4 Marks
MCQ
Identify the correct statement regarding enzymes
  • A
    Enzymes are specific biological catalysts that cannot be poisoned
  • B
    Enzymes are normally heterogeneous catalysts that are very specific in their action
  • C
    Enzymes are specific biological catalysts that can normally function at very high temperature $(T \sim 1000\,K)$
  • ✓
    Enzymes are specific biological catalysts that possess well-defined active sites
✓

Answer

Correct option: D.
Enzymes are specific biological catalysts that possess well-defined active sites
d
(d) Enzyme are shape selective specific biological catalyst which normally functions effectively at body temperature.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

$0.5\, M$ ammonium benzoate is hydrolysed to $0.25$ percent, hence its hydrolysis constant is
→
Select the molecule which has only one $\pi - {\rm{bond}}$
→
 Which of the following order is not correct
→
The electrodes of a conductivity cell are $3\,cm$ apart and have a cross-sectional area of $4\,c{m^2}$. The cell constant of the cell (in $c{m^{ - 1}}$) is
→
Image
→
On electrolysis of aqueous solution of $KI$ in presence of platinum electrodes

$(a)$ Hydrogen gas is released at cathode

$(b)$ Oxygen gas is released at anode.

$(c)$ $pOH$ of solution decreases

$(d)$ There is deposition of potassium at cathode

Choose the correct option from following

→
Match List $I$ (Fuels) with List $II$ (composition) and select the correct answer using the codes given below the lists

List $I$ (Fuels) List $II$ (Composition)
$A.$ Water gas $i.$ A mixture of $CO$ and $N_2$
$B.$ Producer gas $ii.$ Methane
$C.$ Coal gas $iii.$ A mixture of $CO$ and $H_2$
$D.$ Natural gas $iv.$ A mixture of $CO$, $H_2$, $CH_4$ and $CO_2$

$A\,-\,B\,-\,C\,-\,D$ Respectively

→
A steady current of $5\, amps$ is maintained for $45\, mins$. During this time it deposits $4.572\, gm$ of zinc at the cathode of a voltameter. $E.C.E.$ of zinc is
→
Which of the following order is not correct?
→
Select the correct order
→