1- Which of the following is the simplest form of carbohydrates?
Carboxyl groups
Aldehyde and Ketone groups
Alcohol and Carboxyl groups
Hydroxyl groups and Hydrogen groups
2- Which of the following monosaccharides is the majority found in the human body?
D-type
L-type
LD-types
None of the above
3- Which of the following are the major functions of Carbohydrates?
Storage
Structural framework
Transport Materials
Both Storage and structural framework
4- Which of the following is a reducing sugar?
Dihydroxyacetone
Erythrulose
Glucose
All of the above
5- Which of the following is an example of Epimers?
Glucose and Galactose
Glucose and Ribose
Galactose, Mannose and Glucose
Glucose, Ribose and Mannose
Botony Quiz 10-April-2023
6- Molisch test is used for _?
Lipids
mucoroteins
proteins
Flavoproteins
7- What is Turanose??
Reducing disaccharides of glucose and fructose
Non reducing disaccharide
A deoxy sugars
7-methyl sugar
8- Digitonin is a _.?
Glycoside
Lipid
Protein
None
9- How many Total Molecules of ATP are Synthesized from ADP via Glycolysis of a Single Molecule of Glucose??
36
38
2
4
10- The protein precipitation at isoelectric pH and precipitates is called as ………………………….?
Gelatin
Viscosity
Coagulation
Flocculum
………………………………………………………………………………………………
11- In the tertiary structure, helices, sheets, bends, turns, and loops these are assemble to form …………………..?
Question grade : 1
11/50
Domains
Recessive
Sachein
Motifs
12- A tripeptide has _?
Question grade : 1
12/50
3 amino acids and 2 peptide bonds
3 amino acids and 1 peptide bond
3 amino acids and 3 peptide bonds
3 amino acids and 4 peptide bonds
13- Which among the following is not polymeric??
Question grade : 1
13/50
Carbohydrates
Nucleic acids
Proteins
Lipids
14- Amino acids are mostly synthesised from?
Question grade : 1
14/50
fatty acids
mineral salts
𝜶-ketoglutaric acid
volatile acids
15- Amino acids with aromatic side chain are?
Question grade : 1
15/50
tryptophan, asparagine, tyrosine
tryptophan, threonine, tyrosine
phenylalanine, tryptophan, serine
phenylalanine, tryptophan, tyrosine
16- The naturally occurring proteins consist of?
Question grade : 1
16/50
D-amino acids
L-amino acids
both (a) and (b)
none of these
17- In fats, the number of OH groups can be expressed as?
Question grade : 1
17/50
Reichert-Meissil number
Polenske number
Iodine number
Acetyl number
18- The specific gravity of lipid is?
Question grade : 1
18/50
0.8
1
1.2
2.4
19- Purine base found in RNA is?
Question grade : 1
19/50
Cytosine
Thymine
Guanine
Uracil
20- Find the correct statement about phosphodiester linkage between adjacent nucleotides in nucleic acids?
Question grade : 1
20/50
5’-phosphate of one nucleotide joins the 3’-hydroxyl of the next nucleotide
3’-phosphate of one nucleotide joins the 3’-hydroxyl of the next nucleotide
3’-phosphate of one nucleotide joins the 5’-hydroxyl of the next nucleotide
5’-phosphate of one nucleotide joins the 5’-hydroxyl of the next nucleotide
21- An enzyme with its coenzyme or prosthetic group has been removed is called.?
Question grade : 1
21/50
Apozyme
Holozyme
Both a & b
Ribozyme
22- The general mechanism is that an enzyme acts by:?
Question grade : 1
22/50
Reducing the activation energy
Increasing activation energy
Decreasing pH value
Increasing the pH value
23- An enzyme that joins the ends of two strands of nucleic acid is:?
Question grade : 1
23/50
Polymerase
ligase
synthetase
Helicase
24- Which one among them is the example of competitive inhibition of an enzyme:?
Question grade : 1
24/50
Succinic dehydrogenase by malonic acid
Cytochrome oxidase by cyanide
Hexokinase by glucose-6-phosphate
Carbonic anhydrase by carbon dioxide
25- Blocking of enzyme action by blocking its active site is called as:?
Question grade : 1
25/50
Allosteric inhibition
Feedback inhibition
Competitive inhibition
Non-competitive inhibition
