Chlorosis is produced in leaves due to deficiency of Fe,Mg,Mn,N or S. Of these essential elements those are exclusive constituents of chlorophyll molecules are
Options
(a) Fe and S (b) N and S […]
The protein synthesizing system is associated with
Options
(a) ribosomes (b) microtubules (c) episomes (d) mitochondrial membrane
Correct Answer:
ribosomes
Explanation:
No explanation available. Be the first to write the explanation for this […]
The membrane surrounding the vacuole is known as
Options
(a) cell membrane (b) plasmelemma (c) tonoplast (d) chromoplast
Correct Answer:
tonoplast
Explanation:
No explanation available. Be the first to write the explanation for […]
The cell organelle which is found between the cell wall and cell membrane is
Options
(a) lysosome (b) microsome (c) lomasome (d) middle lamella
Correct Answer:
lomasome
Explanation:
No explanation available. Be the […]
Inside a cell, the respiratory enzyme are contained in
Options
(a) lysosomes (b) ribosomes (c) acrosomes (d) none of these
Correct Answer:
none of these
Explanation:
No explanation available. Be the first to […]
For the reaction 2SO₃(g) → 2SO₂(g) + O₂(g) the entropy change (ΔG) is
Options
(a) ΔS > 0 (b) ΔS < 0 (c) ΔS = 0 (d) ΔS < ΔH/T
Correct Answer:
ΔS < […]
At 0K, (i) ¹²C and (ii) a mixture of ¹²C and ¹⁴C will
Options
(a) both have zero entropy (b) both have positive entropy (c) have equal entropies per mol (d) have unequal entropies
A corked flask containing boiling water and its vapour is allowed to cool down to room temperature. If water and its vapour as a whole is the system then
Options
(a) ΔS > 0 […]
Glycolysis consists of
Options
(a) ten enzymatic reactions that convert a six-carbon molecule to four-carbon pyruvate and result in a net gain of 4 ATP molecules (b) eight enzymatic reactions that convert a […]
K₃Fe(CN)₆ + e⁻ → K₄Fe(CN)₆ is known as
Options
(a) ionization (b) oxidation (c) reduction (d) none of these
Correct Answer:
reduction
Explanation:
No explanation available. Be the first to write the explanation […]
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