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.

 Widal test is used for the diagnosis of

A.  malaria                        
B.  pneumonia
C.  tuberculosis                  
D.  typhoid  
Answer» E.
2.

Which one of the following is an Indian medicinal plant?

A.  Saccharum officinarum  
B.  Rauwolfia serpentine
C.  Oryza sativa
D.  Solanum melongena
Answer» B.  Rauwolfia serpentine
3.

AIDS is caused by HIV that principally infects

A.  all lymphocytes            
B.  activator B cells
C.  cytotoxic T cells            
D.  \[{{T}_{4}}\] lymphocytes  
Answer» E.
4.

Expand ELISA

A.  Enzyme Linked Immuno- Sorbent Assay  
B.  Enzyme Linked Ion Sorbent Assay
C.  Enzyme Linked Inductive Assay
D.  None of the above
Answer» B.  Enzyme Linked Ion Sorbent Assay
5.

Vaccines are

A. treated bacteria or viruses or one of their proteins
B. MHC (major histocompatibility complex) proteins
C. curative medicines
D. monoclonal antibodies
Answer» B. MHC (major histocompatibility complex) proteins
6.

Biogas consists of

A.  carbon monoxide, methane and hydrogen.
B.  carbon dioxide, methane and hydrogen.  
C.  carbon monoxide, ethane and hydrogen.
D.  carbon dioxide, ethane and hydrogen.
Answer» C.  carbon monoxide, ethane and hydrogen.
7.

Chemically, the silk is

A.  Cellulose    
B.    Resin
C.  Protein     
D.    Lipid
Answer» D.    Lipid
8.

 Jatropha is a

A.  Biodiesel crop  
B.  biopetro crop
C.  fibre crop   
D.  food crop
Answer» B.  biopetro crop
9.

The exchange of genetic material between chromatids of paired homologous chromosomes during first meiotic division is called

A.  transformation           
B.  chiasmata
C.  crossing over      
D.      synapsis
Answer» D.      synapsis
10.

Which of the following is responsible for mechanical support and enzyme transport?

A.  Dictyosome        
B.  Cell membrane
C.  ER        
D.      Mitochondria
Answer» D.      Mitochondria
11.

Which one of the following is not an antibiotic?

A.  Streptomycin       
B.  Citric acid  
C.  Griseofulvin
D.  Cenhalosporin
Answer» C.  Griseofulvin
12.

 First cloned animal

A.  Dolly sheep
B.  Polly sheep
C.  Molly sheep        
D.  Dog
Answer» B.  Polly sheep
13.

Which gas is responsible for the puffed-up appearance of dough?

A.  \[C{{O}_{2}}\]    
B.  \[{{O}_{2}}\]
C.  \[S{{O}_{2}}\]      
D.      \[N{{O}_{2}}\]
Answer» B.  \[{{O}_{2}}\]
14.

Streptokinase which is used as a 'clot buster' obtained from

A.  Streptococcus      
B.  Staphylococcus
C.  Lactobacillus             
D.  Saccharomyces
Answer» B.  Staphylococcus
15.

The term antibiotic was coined by

A.  Alexander Flemming
B.  S. Waksman  
C.  Louis Pasteur
D.  Edward Jenner
Answer» C.  Louis Pasteur
16.

Which of the following is the pair of biofertilizers?

A.  Azolla and blue green algae  
B.  Nostoc and legume
C.  Rhizobium and grasses
D.  Salmonella and E. coli
Answer» B.  Nostoc and legume
17.

Important objective of biotechnology in agriculture section is

A.  to produce pest resistant varieties of plant  
B.  to increase the nitrogen content
C.  to decrease the seed number
D.  to increase the plant weight
Answer» B.  to increase the nitrogen content
18.

The connective tissue that connects muscle to bone is called

A.  ligament    
B.  tendon  
C.  cartilage   
D.      areolar
Answer» C.  cartilage   
19.

The animal husbandry deals with the care, breeding and management of

A.  Domesticated animals
B.  Fishes
C.  Honey bees and silk worms
D.  All of these  
Answer» E.
20.

Chromosomes contain hereditary units called

A.  genes
B.  ribosomes
C.  DNA 
D.  RNA
Answer» B.  ribosomes
21.

Chloroplast containing parenchyma is called

A.  chlorenchyma   
B.  collenchyma
C.  aerenchyma
D.  amylanchyma
Answer» B.  collenchyma
22.

Three crops that contribute maximum to global food grain production are

A.  Wheat, rice and maize  
B.  Wheat, rice and barley
C.  Wheat, maize and sorghum
D.  Rice, maize and sorghum
Answer» B.  Wheat, rice and barley
23.

Cheese and Yogurt are products obtained by

A.  distillation 
B.   pasteurization
C.  fermentation  
D.   dehydration
Answer» D.   dehydration
24.

Which one is the most abundant protein in the animal world?

A.  Trypsin 
B.  Haemoglobin
C.  Collagen  
D.  Insulin
Answer» D.  Insulin
25.

The technology of biogas production was developed in India mainly due to the efforts of

A.  Indian Agricultural/ Research Institute (LARI) and Khadi and Village Industries Commission (KVIC)  
B.  National Botanical Research Institute (NBR1)
C.  Indian Council of Medical Research (ICMR)
D.  Indian Council of Agricultural Research (ICAR)
Answer» B.  National Botanical Research Institute (NBR1)
26.

BOD refers to

A.  Bacteria Oxygen Demand
B.  Biochemical Oxygen Demand  
C.  Biochemical Operation Demand
D.  Biological Organism Demand
Answer» C.  Biochemical Operation Demand
27.

Ganga and Yamuna action plan is initiated by

A.  Ministry of environment and forest.  
B.  Ministry of agriculture.
C.  Ministry of wild-life conservation.
D.  None of these
Answer» B.  Ministry of agriculture.
28.

ATP molecule is a

A.  Nucleosome       
B.  Nucleoside
C.  Nucleotide  
D.      Deoxyribose sugar
Answer» D.      Deoxyribose sugar
29.

Cell wall in higher plants is made up of

A.  Cellulose + lignin       
B.  Cellulose + pectin  
C.  Cellulose + suberin   
D.  Cellulose +lipid
Answer» C.  Cellulose + suberin   
30.

Murrah, Mehsana, Jaffarbadi are breeds of

A.  Buffalo     
B.  Cow
C.  Cattle    
D.      Horse
Answer» B.  Cow
31.

Blue revolution is related to the following field

A.  Dairy products           
B.  Fisheries  
C.  Egg production          
D.  Agriculture
Answer» C.  Egg production          
32.

The most common species for bee-keeping in India is

A.  Apis florae
B.  Apis mellifera
C.  Apis dorsata       
D.  Apis indica  
Answer» E.
33.

The example of non-renewable source of energy is

A.  alcohol fuel        
B.   petroleum  
C.  biogas    
D.   fuel wood
Answer» C.  biogas    
34.

Regarding the sequence of cell cycle, which one is correct

A.  \[{{G}_{1}},{{G}_{2}},S\] and M    
B.  \[S,{{G}_{1}},{{G}_{2}}\] and M
C.  \[{{G}_{1}},S,{{G}_{2}}\]and M  
D.   \[{{G}_{2}},S,{{G}_{1}}\] and M
Answer» D.   \[{{G}_{2}},S,{{G}_{1}}\] and M
35.

Which one of the following has its own DNA?

A.  Mitochondria       
B.  Dictyosome
C.  Lysosome 
D.      Peroxisome
Answer» B.  Dictyosome
36.

The tissues that helps in the movement of our body is

A.  muscular tissue          
B.  skeletal tissue
C.  nervous tissue     
D.     All of these  
Answer» E.
37.

Branches of botany dealing with the internal organization of plants known as

A. Physiology
B. Ecology
C. Anatomy
D. Cytology
Answer» D. Cytology
38.

Which one is not a carbohydrate?

A. Chitin
B. Methionine
C. Glycogen
D. Starch
Answer» C. Glycogen
39.

Bidirectional translocation of minerals takes place in

A. Xylem
B. Phloem
C. Parenchyma
D. Cambium
Answer» C. Parenchyma
40.

In which part of a flower do both meiosis and fertilization occur?

A. Ovule
B. Stigma
C. Anther
D. Petal
Answer» B. Stigma
41.

The hormone responsible for phototropism is

A. Ethylene
B. Abscisic acid
C. Auxin
D. Gibberellin acid
Answer» D. Gibberellin acid
42.

Translocation of carbohydrate nutrients usually occurs in the form of

A. glucose
B. maltose
C. starch
D. sucrose
Answer» E.
43.

Chlorophyll is present

A. in the grana of chloroplasts
B. on the surface of chloroplasts
C. dispersed through-out the chloroplasts
D. in the stroma of chloroplasts
Answer» B. on the surface of chloroplasts
44.

If a cell swells, after being placed in solution, the solution is

A. neutral
B. hypotonic
C. hypertonic
D. isotonic
Answer» C. hypertonic
45.

Which one of the following is primarily concerned with cell division?

A. \[G{{A}_{3}}\]
B. \[IAA\]
C. Cytokinin
D. Ethylene
Answer» D. Ethylene
46.

Which one is the correct summary equation of photosynthesis?

A. \[{{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{O}_{2}}\to 6C{{O}_{2}}+6{{H}_{2}}O+energy\]
B. \[{{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{O}_{2}}+6{{H}_{2}}O\to 6C{{O}_{2}}+12{{H}_{2}}O+energy\]
C. \[6C{{O}_{2}}+6{{H}_{2}}O\xrightarrow[Chlorophyll]{Light}6{{H}_{2}}O+{{C}_{6}}{{H}_{12}}{{O}_{6}}\]
D. \[6C{{O}_{2}}+12{{H}_{2}}O\xrightarrow[Chlorophyll]{Light}6O+{{C}_{6}}{{H}_{12}}{{O}_{6}}+6{{H}_{2}}O\]
Answer» E.
47.

Ethylene gas is used for

A. growth of plants.
B. delaying fruit's abscission.
C. ripening of fruits.
D. stopping the leaf abscission.
Answer» D. stopping the leaf abscission.
48.

Which of the following is not caused by deficiency of mineral nutrition?

A. Necrosis
B. Chlorosis
C. Etiolation
D. Shortening of internodes
Answer» D. Shortening of internodes
49.

Double fertilization means

A. fusion of male gametes and ovum
B. fusion of two polar bodies
C. a male gamete fused with egg and second male gamete fused with secondary nucleus
D. all the above
Answer» D. all the above
50.

The force responsible for upward conduction of water against gravity comes from

A. transpiration
B. translocation
C. respiration
D. photosynthesis
Answer» B. translocation