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.

Which of the following cell organelles is rich in catabolic enzyme [PMT 2007]

A. Ribosome
B. chloroplast
C. Mitochondria
D. Golgicomplex
Answer» D. Golgicomplex
2.

Which one is a molecule of ATP? [C.B.S.C. PMT 2000]

A. Nucleosome
B. Nucleoside
C. nucleotide
D. deoxyribose
Answer» D. deoxyribose
3.

The catalytic efficiency of two different enzymes can be compared by the

A. The Km value
B. The PH qutimum value
C. Formation of the product
D. Molecular size of the enzyme
Answer» B. The PH qutimum value
4.

Which one is the contractile protein [CBSE.PMT 1998]

A. Collagen
B. globular
C. tropomycin
D. keratin
Answer» E.
5.

t-RNA is a polymer of: [MP PMT 1997]

A. Deoxyribonucleoside
B. ribonucleoside
C. Ribonucleotide
D. deoxyribotide
Answer» D. deoxyribotide
6.

The prosthetic group which is in the structure of enzyme [Manipal PMT 1997]

A. Loosely combining
B. tightly binding
C. It contain organic or inorganic structure
D. only inorganic
Answer» D. only inorganic
7.

How many nucleotide present in DNA molecule which consist pair of 2000 N2 base? [MP.PMT 1994]

A. 2,000
B. 5,000
C. 10,000
D. 40,000
Answer» D. 40,000
8.

Enzyme which help in electron transfer are: [B.H.U. 1998]

A. Cytochrome
B. Isomerase
C. Protease
D. All of above
Answer» B. Isomerase
9.

Enzyme involved in hydrolysis of starch to maltose is called: [PMT 1999]

A. Sucrase
B. Amylase
C. Lactase
D. Maltase
Answer» C. Lactase
10.

Enzymes are formed by conjunction of which molecule? [AFMC 1994]

A. Fatty acid
B. glucose
C. amino acid
D. carbon
Answer» D. carbon
11.

Enzyme by natured: [CET chd 1998]

A. vitamin
B. carbohydrate
C. polypeptide
D. Fatty acid
Answer» D. Fatty acid
12.

The pair of nitrogen base in DNA is conjugated with [PB PMT 1997]

A. Disulphide bond
B. Hydrogen bond
C. Peptide bond
D. Glycosidic bond
Answer» C. Peptide bond
13.

The enzyme which fixes CO2 in C4 plant is [C.B.S.E. 2000]

A. Hydrogenase
B. PEP carboxyl ase
C. Reductase
D. RuBp carboxylase
Answer» C. Reductase
14.

Enzyme speed up rate of reaction by [C.B.S.E. 2000]

A. Combining with product
B. Forming reaction product complex
C. Changing equilibrium of reaction
D. Covering activation energy
Answer» E.
15.

Which one is not a nucleotide? [AFMC 1998]

A. Adenine
B. Guanine
C. Thymine
D. Lysine
Answer» E.
16.

Which one is not gain by the hydrolysis of nucleoside? [DPMT 1996]

A. Purine
B. Pentose sugar
C. Phosphoric acid
D. Pyrimidine
Answer» D. Pyrimidine
17.

Enzymes in boiling water [CPMT1995]

A. Destroyed
B. Denatured
C. Uneffective
D. Inactive
Answer» C. Uneffective
18.

One of the following is the correct sequence to make a transgenic animals.

A. Transomics – transfection – micro infection – electro portion – retroviral vectors
B. Micro injection - transfection - electro portion - retroviral vectors - transomics
C. Transfection – micro injection - transomics - electro portion - retroviral vectors
D. None of these
Answer» C. Transfection – micro injection - transomics - electro portion - retroviral vectors
19.

Vaccine is a …...

A. collection of antibiotics
B. collection of life saving drugs
C. collection of killed disease causing bacteria and virus
D. collection of lysins
Answer» D. collection of lysins
20.

Bio augmentation is …..

A. the addition of commercially prepared bacterial strain
B. Production of fertilizers by using bacteria
C. the metals are deposited as insoluble oxides and sulphides by activities of bacteria
D. removal of pests
Answer» B. Production of fertilizers by using bacteria
21.

The most common Bioinsecticide in present in the world for protection and mustard is——

A. Pyrethrin
B. Bt. ,
C. Rotenone
D. none of these
Answer» C. Rotenone
22.

The method of producing proteins for food or feed through microbial biomass is called

A. PCR
B. SCP
C. Nanotechnology
D. None of above
Answer» C. Nanotechnology
23.

Which of the following animal is best known genetically ?

A. Planaria
B. Domestic dog
C. Musca domestica
D. Drosophila melanogaster
Answer» E.
24.

The main use of recombinant DNA technology are.....

A. production of transgenic humans.
B. the creation of cells capable of synthesizing economically important molecules.
C. the efficient reduction of useful proteins.
D. both b and c
Answer» E.
25.

Tissue culture technique has been biotechnologically successful in production of -

A. alcoholic beverage
B. cheese
C. shikonin
D. Insulin
Answer» D. Insulin
26.

Which one is a transgenic crop ?

A. Brinjal
B. Potato
C. Grape
D. Tomato
Answer» E.
27.

Transgenic plants are produced by using Ti Plasmids from the

A. Agrobacterium tumefacien
B. E. coli
C. Bacteriophage
D. Agrobacterium varians
Answer» B. E. coli
28.

First progress in field of genetic engineering, in 1978 by Cohen, Berg and Boyer by synthesis of—————through E. coli

A. Insulin
B. growth hormon
C. Somatostatin
D. both b and c
Answer» E.
29.

Biofuel is made by utilizing which strain of bacteria ?

A. Bacillus amyloliquefacien
B. Klebsiella Planticola
C. E. coli
D. Phanerochaete chrysosporium
Answer» B. Klebsiella Planticola
30.

The insulin prepared through genetic engineering is called

A. Human insulin
B. microbial insulin
C. Bio insulin
D. Humulin
Answer» E.
31.

The science of biotechnology has contributed to field of

A. Health
B. Pharmacy
C. agriculture and industry
D. all above
Answer» E.
32.

Pick up the correct set.

A. 2 3 5 1
B. 2 5 4 1
C. 2 4 3 5
D. 2 1 4 5
Answer» B. 2 5 4 1
33.

Yeast is a good source of

A. carbohydrate
B. vitamin B
C. Proteins
D. both b and c
Answer» D. both b and c
34.

one of the following is transgenic organisms

A. Holly sheep and tomato
B. Dolly sheep and subabul
C. Molly sheep and banana
D. B T cotton and tomato (Flaur saur)
Answer» E.
35.

The micro – organism involves in making bread is …..

A. Acetobacter
B. brewer’s yeast
C. Saccharomyces cerevisiae
D. None of the above
Answer» D. None of the above
36.

Which was the first product contributed to human kind by science of Biotechnology in early 1972

A. somatotropin
B. Insulin
C. cytokines
D. erythropoietin
Answer» B. Insulin
37.

Thrombokinase is produced in

A. RBC
B. WBC
C. Blood vessels
D. blood platelets
Answer» E.
38.

The typical machine for production of bio-products through microbial is

A. sterilized glass ware
B. microprojectile
C. autoclave
D. Fermenter
Answer» E.
39.

Tricuspid valve is situated in between

A. Left auricle and left ventricle
B. Right auricle and left ventricle
C. Inter atrial septum
D. Inter ventricular septum
Answer» C. Inter atrial septum
40.

The genetically modified crops introduced in India are …

A. cotton
B. mustard
C. Wild plant
D. Both a and b
Answer» E.
41.

Three important proteins present in blood are

A. Collagen, albumin, fibrinogen
B. Albumin, globulin, Actin
C. Globulin, albumin, collagen
D. Albumin, globulin, fibrinogen
Answer» E.
42.

In pericardium double walled structure - outer layer and inner layer are respectively

A. Serosa layer and fibrous layer
B. Fibrosa layer and serous layer
C. Fibrous layer and Muscular layer
D. Muscular layer and fibrous layer
Answer» C. Fibrous layer and Muscular layer
43.

Which factor is delaying in blood clotting

A. Vit K
B. Hirudin
C. Heparin
D. All of above
Answer» E.
44.

Play an important role in allergic reaction by

A. Neutrophils
B. Lymphocytes
C. Basophils
D. Monocytes
Answer» D. Monocytes
45.

Diastole of ventricles is

A. 0.30 sec
B. 0.40 sec
C. 0.70 sec
D. 0.10 sec
Answer» C. 0.70 sec
46.

QRS wave in ECG represents

A. Auricular systole
B. ventricular systole
C. ventricular diastole
D. End of ventricular systole
Answer» C. ventricular diastole
47.

The instrument used for measuring blood pressure is known as

A. ECG
B. Stethoscope
C. Sphygmomanometer
D. EEG
Answer» D. EEG
48.

Heart is known as double pump (circulation) because of

A. the right chamber push blood into lungs
B. left chambers push blood into the entire body
C. Heart receives impure blood from the body
D. both (a) and (b)
Answer» E.
49.

Thromboplastin is produced by

A. Damaged tissues
B. Blood platelets
C. Both (a) and (b)
D. Prothrombin
Answer» D. Prothrombin
50.

Which protein helps in disease resistance ?

A. Albumin
B. Fibrinogen
C. globulin
D. both (a) and (b)
Answer» D. both (a) and (b)