Simple Carbohydrates

Q. Milk sugar is made up of

1. maltose and fructose
2. glucose and fructose
3. glucose and galactose
4. sucrose and fructose

Q.

The functional groups characteristic of sugars are :

1. Carbonyl and phosphate

2. Carbonyl and methyl

3. Hydroxyl and methyl

4. Carbonyl and hydroxyl
   

Q. In maltose, between which of the following carbons there is a linkage?

1. C1, C2
2. C2, C3
3. C1, C4
4. C2, C4

Q. Which microbial product is used for removing clots from the blood vessels of patients?

1. Statins
2. Pectinase
3. Lipase
4. Streptokinase

Q.

What are oligosaccharides?

Q.

State the role of Liver and Pancreas.

Q. Which of the following pairs of carbohydrates are an exception to the general formula of carbohydrates?

1. Dihydroxyacetone and glyceraldehyde
2. Rhamnose and deoxyribose
3. Fructose and glucose
4. Erythrose and erythrulose

Q. Number of carbon atoms available in acetyl CoA is

1. 4
2. 3
3. 2
4. 6

Q. Match the following:
$$\begin{array}{cccc}\left(a\right)& \text{Inhibitor of catalytic activity}& \left(i\right)& \text{Ricin}\\ \left(b\right)& \text{Possess peptide bonds}& \left(ii\right)& \text{Malonate}\\ \left(c\right)& \text{Cell wall material in fungi}& \left(iii\right)& \text{Chitin}\\ \left(d\right)& \text{Secondary metabolite}& \left(iv\right)& \text{Collagen}\end{array}$$
Choose the correct option from the following.

1. (a) (b) (c) (d)
   (iii) (iv) (i) (ii)
   
2. (a) (b) (c) (d)
   (ii) (iii) (i) (iv)
   
3. (a) (b) (c) (d)
   (ii) (iv) (iii) (i)
   
4. (a) (b) (c) (d)
   (iii) (i) (iv) (ii)
   

Q. Condensation of two monosaccharides yields:

1. Disaccharides
2. Polysaccharides
3. Oligosaccharides
4. None of the above

Q. Differentiate between Starch and Glucose.

Q. Milk sugar is made up of

1. maltose and fructose
2. sucrose and fructose
3. glucose and fructose
4. glucose and galactose

Q. Lactose is composed of:

1. Glucose + Glucose
2. Glucose + Fructose
3. Fructose + Galactose
4. Glucose + Galactose

Q. Which one of the following is a non-reducing carbohydrate?

1. Sucrose
2. Lactose
3. Ribose 5-Phosphate
4. Maltose

Q. The sweetest sugar is

1. monellin
2. glucose
3. sucrose
4. fructose

Q. Consider the given statements:

1. II, III and IV
2. I, II and IV
3. I, II and III
4. All

Q. How many carbon atoms do a molecule as sedoheptulose contain?

1. 4
2. 3
3. 7
4. 6

Q. Give the classification of carbohydrates with examples.

Q. The general formula of carbohydrates is:

1. $C_n{H}_{2n+1}O$
2. $C_n{H}_{2n}O$
3. $C_n{\left(H_{2}O\right)}_n$
4. $C_n{\left(H_{2}O\right)}_{2n}$

Q. Carbohydrates such as glucose, fructose and sucrose are sweet in taste. But, starch has bland taste though it is a carbohydrate. How do you account for this?

Q. Condensation of two monosaccharides yields:

1. Disaccharides
2. Polysaccharides
3. Oligosaccharides
4. None of the above

Q. A ketose sugar is

1. Fructose
2. Both A and B
3. Glyceraldehyde
4. Glucose

Q. Which among the following is a ketotriose?

1. Erythrulose
2. Ribulose
3. Glyceraldehyde
4. Dihydroxyacetone

Q. The starch is insoluble in water, still it is stored in potato in more quantity

1. By microbes
2. Because it is manufacture in tuber
3. Because plants use it as a food
4. Because first it come to tuber as sugar solution then it is stored as starch

Q. , 0.0833 mol of carbohydrate of empirical formula CH2O contains 1 g hydrogen . the molecular formula of carbohydrate is ?

Q. Define the following terms:
(i) Glycosidic linkage
(ii) Invert sugar
(iii) Oligo saccharides

Q. What are the three functional groups that make up the backbone of all amino acids?

1. Carbonyl $(C=O)$, amino $\left(N{H}_2\right)$, hydrogen $\left(H\right)$
2. Methyl $\left(C{H}_3\right)$, carboxyl $\left(COOH\right)$, amino $\left(N{H}_2\right)$
3. Carboxy $\left(COOH\right)$, amino $\left(N{H}_2\right)$, hydrogen $\left(H\right)$
4. Amino $\left(N{H}_2\right)$, hydroxyl $\left(OH\right)$, carboxyl $\left(COOH\right)$
5. Amino $\left(N{H}_2\right)$, carbonyl $(C=O)$, methyl $\left(C{H}_3\right)$

Q. Percentage of Se in peroxidase anhydrous enzyme is 0.5% by weight (at.wt.=78.4) then minimum molecular weight of peroxidase anhydrous enzyme is

Q. Aspartame, an artificial sweetener, is a peptide and has the given structure. Which of the following is correct about the molecule?

1. It has four functional groups
2. It has three functional groups
3. On hydrolysis, it produces only one amino acid
4. On hydrolysis, it produces a mixture of amino acids

Q. If you have net result as:
$6C{O}_2+6H_{2}O⟶C_6{H}_{12}{O}_6+6O_2$
Check whether this reaction is correct or not.