Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

ADH influences water permbeality in the

A. Regulation of blood pressure
B. Removal of urea
C. Regulation of acidity of fluids
D. secretion of antibiotics
Answer» C. Regulation of acidity of fluids
2.

Uric acid is formed in human from

A. purines
B. protines
C. glucose
D. pyrimidines
Answer» B. protines
3.

Which of the following is correct for the quaternary structure of protein?

A. It represents a three dimensional form of whole protein
B. It forms with interaction between different polypeptide Chain.
C. a and b both
D. It forms the three dimensional arrangement of the atoms within a single polypeptide chain
Answer» D. It forms the three dimensional arrangement of the atoms within a single polypeptide chain
4.

The yellow colour of urine of the vertebrates in due to

A. Cholesterol
B. Urochrome
C. Uric acid
D. Malamin
Answer» C. Uric acid
5.

Polypeptide means:

A. A polypeptide chain is formed by more than two nucleotides
B. A polypeptide chains is formed by more than two amino acids
C. A polypeptide chains is formed by many similar amino acids
D. A polypeptide chain is formed by many similar nucleotides
Answer» C. A polypeptide chains is formed by many similar amino acids
6.

Which of the following process is formed by – COOH linked to – NH2 (peptide bond)

A. Hydrogenation
B. Dehydrogenation
C. Reduction
D. Oxidation
Answer» C. Reduction
7.

Excretory structure of earthworms is...

A. Malpighian tubules
B. Nephridia
C. Kidney
D. Anternal glands
Answer» C. Kidney
8.

What –‘X’ indicates in the given figure?

A. N-terminal
B. P-terminal
C. C-terminal
D. H-terminal
Answer» D. H-terminal
9.

Inner living of Bowman’s capsule is lined by:

A. Podocytes
B. Squamous calls
C. Microvilli
D. Colummar calls
Answer» E.
10.

The secondary structure of protein means

A. The flat and sheet like polypeptide chain
B. The helically coilde like polypeptide chain
C. The folding of polypeptide chain due to the presence of hydrogen bond
D. a, b, c all
Answer» E.
11.

The primary structure of proteins is due to

A. Ionic bonds
B. Peptide bonds
C. Hydrogen bond
D. S-S Linkages
Answer» C. Hydrogen bond
12.

Proteins means

A. Micromolecule
B. Macromolecule
C. Soluble
D. Colloidal
Answer» C. Soluble
13.

Dipeptide means:

A. Two similar amino acids attached by peptide bond
B. Two dissimilar amino acids attached by peptide bond
C. Two similar or dissimilar amino acids attached by peptide bond
D. Two similar or dissimilar proteins attached by peptide bond
Answer» D. Two similar or dissimilar proteins attached by peptide bond
14.

Aspartic acid and lysine are linkage each other with which bond:

A. Ester bond
B. Glycoside bond
C. Phosphodiaster bond
D. Peptide bond
Answer» E.
15.

Match column – I and column –II and select the correct option:

A. iii iv ii i
B. ii I iv iii
C. I iv ii iii
D. iii ii iv i
Answer» B. ii I iv iii
16.

The structure of protein can be denatured by

A. At high temperature
B. In dilute solution of acid
C. In the presence of CO2
D. a, b, c all
Answer» B. In dilute solution of acid
17.

Which macromolecule is the most diverse in cell and controlling biochemical Properties?

A. Polynucleotide
B. Polysaccharide
C. Polypeptide
D. polysomes
Answer» D. polysomes
18.

Proteins Consist which one of the following

A. One polypeptide
B. One polypeptide chain
C. One or more polypeptide chain
D. One  and other – chain
Answer» D. One  and other – chain
19.

Find out the miss matched pair

A. Melanin-imparts color to the body
B. Hemoglobin – transport of oxygen
C. Chlorophyll – must for photosynthesis
D. Immunoglobulin- responsible for movements of body
Answer» E.
20.

Amino acids are attached each other with which bond?

A. Ester bonds
B. Hydrogen bonds
C. Sulphur bonds
D. peptide bonds
Answer» E.
21.

Which one of the following is an amphoteric compound?

A. Fatty acid
B. Glutamic acid
C. Nucleic acid
D. Cellulose
Answer» C. Nucleic acid
22.

What is the shape of the three dimensional structure of protein?

A. Flat sheet like
B. Globular
C. Fibrous
D. b or c
Answer» E.
23.

Which of the following bond groups are involved in the formation of quaternary Protein?

A. Peptide bond, covalent bond
B. Disulphide bond, Ionic bond
C. Easter bond, phosphodiester bond
D. b and c both
Answer» C. Easter bond, phosphodiester bond
24.

End of every polypeptide chain is known as:

A. Template
B. Signal
C. Antenna
D. Terminal
Answer» E.
25.

Which of the following statement is incorrect about lmmunoglobulin?

A. It has the property of immunity
B. It consist of more than one polypeptide chain
C. It present in blood cell
D. b and c both
Answer» D. b and c both
26.

Which is the correct option for the following diagram?

A. Fibrous protein
B. Globular protein
C. Polypeptide chain
D. Three dimensional form of protein
Answer» D. Three dimensional form of protein
27.

Which are the terminals of polypeptide chain?

A. ‘R’ and ‘N’ terminal
B. ‘P’ and ‘R’ terminal
C. ‘H’ and ‘N’ terminal
D. ‘N’ and ‘C’ terminal
Answer» E.
28.

Which one of the following statement about amino acid is incorrect?

A. They are classified on the basis of the ‘R’ group
B. The structure of almost all amino acids are similar except their ‘R’ group
C. All protein molecules are a heteropolymer of amino acid
D. They are very important compounds of cytoplasm
Answer» E.
29.

Which one is not correct for hemoglobin?

A. It is known as conjugated protein
B. It is the combination 0f 2- α and 2-β chain
C. It is a protein which imparts color to the body
D. It is molecule which contains four hacme groups.
Answer» D. It is molecule which contains four hacme groups.
30.

Which bimolecular fights against infectious organisms?

A. Lipid
B. Nucleic acid
C. Protein
D. Enzyme
Answer» D. Enzyme
31.

Fibrous root in maize develop from:

A. Lower internode
B. Lower nodes
C. Upper nodes
D. None of the above
Answer» C. Upper nodes
32.

State the mutant gene Which converts the male flowers into female flowers In Maize plant

A. TA TA
B. ta ta
C. TA Ta
D. Both (A) &(C)
E. cessive
Answer» C. TA Ta
33.

Which of the following structure present in abundance in subcutaneous tissue :-

A. Yellow elastic tissue
B. Adipose tissue
C. White fibrous tissue
D. Tendon
Answer» C. White fibrous tissue
34.

When the surface cells of stratified epithelium contain insoluble protein (Keratin) the tissue is called :-

A. Stratified Squamous Keratinised
B. Stratified Ciliated Keratinised
C. Stratified Cuboidal Keratinised
D. Stratified Columnar Keratinised
Answer» B. Stratified Ciliated Keratinised
35.

Which of the following is not a component of connective tissue proper .

A. Adipose tissue
B. Tendon
C. Cartilage
D. Ligament
Answer» D. Ligament
36.

First transgenic mouse grew twice the normal size after drinking _______ containing water.

A. cu
B. Fe
C. Zn
D. Ra
Answer» D. Ra
37.

The hairs present in maize corn cob are: (AIPMT,2000,2006)

A. Style
B. Stigma
C. Seed hairs
D. Modified hairs of bracts
Answer» B. Stigma
38.

The protective cover of the radicle in maize seed is called

A. Micorhiza
B. Coleptile
C. Scutelum
D. Coleorhiza
Answer» E.
39.

Give examples of elastic bond

A. Tendon
B. Cartilage
C. Ligament
D. (B) and (C) both
Answer» B. Cartilage
40.

Which tissue occurs with in the passages of the excretory organs :-

A. Ciliated Stratified epithelium
B. Squamous Stratified epithelium
C. Transitional epithelium
D. Cuboidal Stratified epithelium
Answer» E.
41.

It is composed of bundles of collagen fibers :-

A. Tendon
B. White-fibro cartilage
C. Hyaline cartilage
D. White fibrous tissue
Answer» B. White-fibro cartilage
42.

Which cells of areolar tissue are able to move and ingest foreign particles

A. Fibroblast
B. Mast cells
C. Histocytes
D. All above
Answer» D. All above
43.

Which of the following tissue in normally found in tendon .

A. Hyaline cartiage
B. White fibrous tissue
C. Ligament
D. Areolar tissue
Answer» C. Ligament
44.

Which Structure is able to move in areolar tissue

A. Adipose cell
B. Phagocytic cell
C. Fibroblasts
D. Mast cell
Answer» C. Fibroblasts
45.

Name the structure arranged on basement membrane in compound epithelium :-

A. Malpighian Corpuscle
B. Malpighian tubule
C. Germinative layer
D. Malpighian body
Answer» D. Malpighian body
46.

Which type of epithelium is present in the inner lining of large bronchi :-

A. Squamous epithelium
B. Pseudo - stratified epithelium
C. Cuboidal epithelium
D. Columnar epithelium
Answer» C. Cuboidal epithelium
47.

Which of the following structure are made of several layer's of cells :-

A. Ciliated epithelium
B. Stratified epithelium
C. Cuboidal epithelium
D. Columnar epithelium
Answer» C. Cuboidal epithelium
48.

Which of the following is not a component of Skeletal connective tissue :-

A. Compact bone
B. White-fibro cartilage
C. Calcified cartilage
D. Areolar tissue
Answer» E.
49.

Which connective tissue proper is made up of two types of fibre and cells :-

A. Tendon
B. White fibrous tissue
C. Ligament
D. Areolar tissue
Answer» E.
50.

Which simple epithelium tissue cells are square in vertical sections and Polygonal in horizontal section

A. Columnar epithelium
B. Squamous epithelium
C. Cuboidal epithelium
D. Ciliated epithelium
Answer» D. Ciliated epithelium