Explore topic-wise MCQs in SRMJEEE .

This section includes 33 Mcqs, each offering curated multiple-choice questions to sharpen your SRMJEEE knowledge and support exam preparation. Choose a topic below to get started.

1.

Discriminant of 2x² + 5x - 1 is

A. 25
B. 30
C. 33
D. 35
Answer» D. 35
2.

An equation which contains square of unknown variable quantity, but no higher power is called

A. quadratic equation
B. linear equation
C. simple equation complex equation
D. complex equation
Answer» B. linear equation
3.

 If b² - 4ac >0, then roots of ax² + bx + c = 0 are

A. irrational
B. real
C. equal
D. rational
Answer» C. equal
4.

Solution set of equation x² - 4 = 0 is

A. {±4}
B. {4}
C. {±2}
D. {2}
Answer» D. {2}
5.

 If b² - 4ac >0, and not a perfect square then roots of ax² + bx + c = 0 are

A. imaginary
B. rational
C. equal
D. irrational
Answer» E.
6.

 Number of methods to solve a quadratic equation are

A. 2
B. 3
C. 4
D. 5
Answer» C. 4
7.

If b² - 4ac = 0, then roots of ax² + bx + c = 0 are

A. equal
B. imaginary
C. irrational
D. rational
Answer» B. imaginary
8.

Number of terms in a standard quadratic equation ax² + bx + c = 0 is

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
9.

 If b² - 4ac < 0, then roots of ax² + bx + c = 0 are

A. equal
B. irrational
C. rational
D. imaginary
Answer» E.
10.

 Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these 

A. Enhance oxidative metabolism
B. Help in regulating metabolism
C. are conjugated proteins
D. are exclusively synthesised in the body of a living organism as at present
Answer» C. are conjugated proteins
11.

Which of the following nucleotide sequences contains four pyrimidine bases? 

A. GATCAATGC
B. UAGCGGUAA
C. GCUAGACAA
D. both b and c
Answer» B. UAGCGGUAA
12.

Which purine base is found in RNA? 

A. Thymine
B. Uracil
C. Cytosine
D. Guanine
Answer» E.
13.

 In RNA, thymine is replaced by 

A. adenine
B. guanine
C. cytosine
D. uracil
Answer» E.
14.

Amino acids are produced from

A. Proteins
B. Fatty acids
C. Essential oils
D. α-keto acids
Answer» B. Fatty acids
15.

 In which of the following groups are all polysaccharides? 

A. Sucrose, glucose and fructose
B. Maltose, lactose and fructose
C. glycogen, sucrose and maltose
D. Glycogen, cellulose and starch
Answer» E.
16.

Which of the following have carbohydrate as prosthetic group 

A. Glycoprotein
B. Lipoprotein
C. Nucleoprotein
D. Chromoprotein
Answer» B. Lipoprotein
17.

 ATP is 

A. vitamin
B. Enzyme
C. Nucleic acid
D. Nucleotide
Answer» E.
18.

Lipids are insoluble in water because lipid molecules are 

A. Hydrophilic
B. Neutral
C. Zwitter ions
D. Hydrophobic
Answer» E.
19.

 The major role of minor elements inside living organisms is to act as

A. Co factors of enzymes
B. Binder of cell structure
C. Constituent of hormones
D. Building blocks of important amino acids
Answer» B. Binder of cell structure
20.

Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by

A. base- sugar- phosphate
B. base- sugar- OH
C. sugar-phosphate
D. (base sugar phosphate)n
Answer» B. base- sugar- OH
21.

 Living cell contains 60-95% water. Water present in human body is 

A. 60-65%
B. 70-75%
C. 65-70%
D. 75-80%
Answer» C. 65-70%
22.

The “Repeating Unit” of glycogen is

A. Fructose
B. Mannose
C. Glucose
D. Galactose
Answer» D. Galactose
23.

Fluidity of bio-membranes can be shown by

A. Electron microscope
B. Tissue culture
C. Phase-contrast microscope
D. Fluorescence microscope
Answer» E.
24.

Enzymes that catalyse inter-conversion of optical, geometrical or positional isomers are

A. Ligases
B. Lyases
C. Hydrolases
D. Isomerases
Answer» E.
25.

 

Which is an organic compound found in most cells?

A. Glucose
B. Water
C. Sodium chloride
D. Oxygen
Answer» B. Water
26.

The effectiveness of an enzyme is affected least by

A. Temperature
B. Concentration of the substrate
C. Original activation energy of the system
D. Concentration of the enzyme
Answer» D. Concentration of the enzyme
27.

Which one is diaminodicarboxylic amino acid?

A. Cystine
B. Lysine
C. Cysteine
D. Aspartic Acid
Answer» B. Lysine
28.

Chitin is a

A. Polysaccharide
B. Nitrogenous polysaccharide
C. Lipoprotein
D. Protein
Answer» C. Lipoprotein
29.

Which of the following is not a conjugated protein?

A. Peptone
B. Phosphoprotein
C. Lipoprotein
D. Chromoprotein
Answer» B. Phosphoprotein
30.

Feedback inhibition of enzymes is affected by which of the following

A. enzyme
B. substrate
C. end products
D. intermediate end products
Answer» D. intermediate end products
31.

With reference to enzymes, which one of the following statements is true?

A. Apoenzyme = Holoenzyme + Coenzyme
B. Holoenzyme = Apoenzyme + Coenzyme
C. Coenzyme = Apoenzyme + Holoenzyme
D. Holoenzyme = Coenzyme – Apoenzyme
Answer» C. Coenzyme = Apoenzyme + Holoenzyme
32.

One strand of DNA has the following sequence of nucleotide 3’ ATTCGCTAT 5’ so the other strand of DNA has

A. 5’ TAAGCGATA 3’
B. 3’ TAAGCGATA 5’
C. 5’ GACGCGATA 3’
D. 3’ GACGCGATA 5’.
Answer» B. 3’ TAAGCGATA 5’
33.

The ‘‘lock and key’’ model of enzyme action illustrates that a particular enzyme molecule

A. May be destroyed and resynthesised several times
B. Interacts with a specific type of substrate molecule
C. Reacts at identical rates under all conditions
D. Forms a permanent enzyme-substrate complex
Answer» C. Reacts at identical rates under all conditions