Question Text
Question 4 :
A carbohydrate which can not be hydrolyzed to simpler compound is :
Question 5 :
The products formed when a pinch of sugar is strongly heated for fifteen minutes in a test tube are:
Question 8 :
When sugar is treated with sulphuric acid, we get a very pure form of:
Question 16 :
Transition state structure of the substate formed during an enzymatic reaction is
Question 18 :
The light coming from the sun is stored as energy in plants by the process of photosynthesis. This happens by converting carbon dioxide and water into:
Question 20 :
Assertion: Glucose and fructose both reduce Schiff's regent.
Reason: Both have free carbonyl group.
Question 24 :
Which of the following lipids is deficient in infants with respiratory distress syndrome ?
Question 28 :
Carbohydrates contain hydrogen and oxygen atoms in the ratio of ____________.
Question 30 :
Assertion: Deoxyribose ${C}_{5}{H}_{10}{O}_{4}$ is not a carbohydrate.
Reason: Carbohydrates are hydrates of carbon so, compounds which follow ${C}_{x}{({H}_{2}O)}_{y}$ formula are carbohydrates.
Question 31 :
Free aldehyde group can be produced on hydrolysis of which of the following compound(s)?
Question 35 :
The reagent which may be used to distinguish between cane sugar and glucose solutions is :<br/>
Question 38 :
Assertion: The two cyclic hemiacetal forms of glucose, $\alpha-$ form and $\beta-$ form are called anomers.
Reason: Anomers differ only in the configuration of the hydroxyl group at $C-1$.
Question 39 :
What percentage of $\beta - D - (+) -$ glucopyranose is found at equilibrium in the aqueous solution?
Question 43 :
Assertion: $D-2-Deoxyglucose$ reacts with 3 mol $PhNH{NH}_{2}$ and forms an osazone.
Reason: $D-2-Deoxyglucose$ has no $(C-OH)$ group $\alpha$- to the $(C=O)$ group