D configuration is shown by:

           (i)                 (ii)             (iii)

1. i, ii and iii
2. ii and iii
3. i and ii
4. Only iii

Subtopic:  Carbohydrates - Classification & D-L configuration |
 71%
Level 2: 60%+
Hints

Out of the three given structures, the correct statement regarding bonds present between C1  &  C4  and C1  &  C6  is

(i)
(ii) (iii)
 
C1 & C4 C1 & C6
1. (i)  (ii) and (iii)
2. (i) and (ii) (iii)
3. (i) and (iii) (ii)
4. (ii) and (iii) (i)
Subtopic:  Carbohydrates - Classification & D-L configuration | Polysaccharides & their Importance |
 71%
Level 2: 60%+
Hints

Which of the following correctly describes sucrose?

a. Monosaccharide b. Disaccharide
c. Reducing sugar d. Non-reducing sugar

Choose the correct option:

1. a and b 2. b and c
3. c and d 4. b and d
Subtopic:  Polysaccharides & their Importance |
 89%
Level 1: 80%+
Hints

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Examples of globular proteins are:

(a) Insulin (b) Keratin
(c) Albumin (d) Myosin


Choose the correct option : 
1. (a) and (b)
2. (b) and (c)
3. (c) and (d)
4. (a) and (c)

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 71%
Level 2: 60%+
Hints

The main function of carbohydrates in plants is to serve as a:

1. Structural component of cell membranes

2. Building block of cell walls

3. Storage molecule (starch)

4. Transport sugar in phloem

Subtopic:  Carbohydrates - Classification & D-L configuration |
 74%
Level 2: 60%+
Hints

Consider the following compounds: 

Ribose, 2-deoxyribose, maltose, galactose, fructose, and lactose

The number of disaccharide carbohydrates is/are:

1. Three (3) 2. One (1)
3. Four (4) 4. Two (2)
Subtopic:  Carbohydrates - Classification & D-L configuration |
 63%
Level 2: 60%+
Hints

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The main component present in starch and glycogen is:
1. Amylose
2. Glycose
3. Amylopectin
4. Cellulose

Subtopic:  Polysaccharides & their Importance |
 61%
Level 2: 60%+
Hints

D-Glucose  \(\xrightarrow[]{\textbf{?}}\) Saccharic acid

The oxidizing reagent used for this conversion is:
1. HI
2. Bromine water
3. HNO3 
4. H2SO4

Subtopic:  Polysaccharides & their Importance |
 72%
Level 2: 60%+
Hints

The incorrect statement about nucleic acid is:

1. It is responsible for heredity.
2. It is responsible for protein synthesis in a cell.
3. It is a constituent of the chromosome.
4. It is responsible for the transmission of chemical signals.
Subtopic:   DNA, RNA & Metal Ions |
 78%
Level 2: 60%+
Hints

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The correct statement about RNA is :

1. The helical structure of RNA is mostly single-stranded .
2. It has deoxyribose sugar.
3. It is the chemical basis of heredity.
4. It contains thymine (T)

Subtopic:   DNA, RNA & Metal Ions |
 81%
Level 1: 80%+
Hints