Tag Archives: preparation of net jrf of forensic science

Forensic MCQs – with Answers & Explanations

1. The double-base propellant was invented by Nobel by gelatinisation of nitrocellulose with:

  1. Diphenylamine
  2. Picrite
  3. Nitroglycerine
  4. Ether-alcohol mixture

Ans.: 3. Nitroglycerine

Explanation: Double-base propellant an explosive powder is contains nitrocellulose and nitroglycerin as the essential components.

2. Triangular cross section is seen in which type of hair?

  1. Eyelashes
  2. Eyebrows
  3. Scalp hair
  4. Beard hair

Ans.: 4. Beard hair

Explanation: Beard Hair is often coarse and triangular in cross section.

3. Number of teeth in a Child’s mouth is 6. His most likely age is:

  1. 2 months
  2. 10 months
  3. 1½ year
  4. 2 years

Ans.: 2. 10 months

Explanation:

4. The slurry explosives are based on:

  1. Nitrocellulose
  2. Nitroglycerine
  3. Ammonium Nitrate
  4. Potassium Chlorate

Ans.: 3. Ammonium Nitrate

Explanation: Slurry explosives essentially contain an inorganic oxidizer’s water solution such as ammonium nitrate.

5. Battery cup is associated with which of the following ?

  1. Shotgun Cartridge
  2. Rim-fire Cartridge
  3. Center-fire rifle Cartridge
  4. Pin-fire Cartridge

Ans.: 1. Shotgun Cartridge

Explanation:  Battery cup primers are used exclusively in shotgun ammunition.

6. Green colour code on time pencil indicates that the explosion will occur after approximately:

  1. 30 minutes
  2. 5 hours
  3. 12 hours
  4. 30 hours

Ans.: 2. 5 hours

Explanation:

This table shows the change of the delay times with the change in temperature

7. A plastic explosive “Kirkee” is essentially the following explosive:

  1. 2, 4, 6 Trinitrophenyl methyl Nitramine
  2. 2, 4, 6 Trinitrophenol 
  3. 2, 4, 6 Trinitrotoluene
  4. Cyclo Trimethylene Trinitramine

Ans.: 2, 4, 6 Trinitrophenyl methyl Nitramine

8. In the manufacture of glass, sodium carbonate is added to sand to:

  1. Reduce its melting point
  2. Prevent glass from dissolving in water
  3. Give it greater durability
  4. Reduce viscosity

Ans.: 1. Reduce its melting point

Explanation: By adding sodium carbonate, the melting point of the sand is reduced so it can be transformed into glass at low temperatures and conserve energy during manufacturing.

9. Acid phosphatase is ____, secreted by prostate gland into seminal fluid.

  1. Lipids
  2. Enzyme
  3. Carbohydrate
  4. Antigen

Ans.: 2. Enzyme

Explanation: Prostatic acid phosphatase (PAP), also prostatic specific acid phosphatase (PSAP), is an enzyme produced by the prostate. It may be found in increased amounts in men who have prostate cancer or other diseases.

10. The cuticle, outer zone of hair, consists of:

  1. Haemoglobin
  2. Collagen
  3. Myosin
  4. Keratin

Ans.: 4. Keratin

Explanation: The cuticle or outer coat is the outermost region of the hair shaft. It consists of several layers of flat, thin keratinocytes or keratin that overlap each other like shingles on one roof. This arrangement helps repel water of the cuticle.

MCQs on forensic science (NET/JRF Preparations)

1.) Which of the following sections of IPC are concerned with dowry death?      

  1. 300                         
  2. 302                      
  3. 304       
  4. 304-b

2.) A person is declared dead if he is not found for:

  1. 2 years                    
  2. 7 years                          
  3. 15 years                         
  4. 30 years

3.) McNaughten’s rule:       

  1. Section 84              
  2. Section 85                      
  3. Section 86 
  4. Section 87

4.) Death sentence can be awarded by:       

  1. First class magistrate        
  2. Second class magistrate
  3. Sessions court     
  4. Chief judicial magistrate

5.) India, inquest is carried out by all except         

  1. Police      
  2. Coroner   
  3. Doctor     
  4. Magistrate

6.) Who can be considered as an expert witness:

  1. Medical men          
  2. Firearm expert                
  3. Chemical examiner         
  4. All

7.) A cognizable offence signifies:   

  1. Imprisonment upto 2 yrs                                  
  2. Imprisonment upto 3 yrs + Rs. 1000 fine
  3. Arrest without warrant     
  4. Only fine upto Rs. 1000

8.) Leading questions are permitted only in           

  1. Examination in chief                                     
  2. Cross examination
  3. Dying declaration
  4. Re- examination

9.) In case of death in lock up, the inquest is held by:

  1. A police officer      
  2. A Magistrate   
  3. A panchayat officer       
  4. District Attorney

10.) Identical twins may not have:

  1. Same DNA fingerprint 
  2. Same fingerprint pattern
  3. Same blood group 
  4. Same HLA system

11.) For exhumation the order should be passed by:

  1. Chief judicial magistrate       
  2. Executive magistrate      
  3. Police officer    
  4. Sessions judge

12.) What is ‘DNA’ fingerprinting?

  1. Identification of a person fingerprinting by using genetic engineering method
  2. A record of a persons genetic make up
  3. Identification of persons by genetic analysis       
  4. None of the above

13.) Skull of a male differs from that of a female by all of the following except:

  1. Capacity greater than 1500 c.c    
  2. Muscular markings over occiput are less marked
  3. Orbits square       
  4. Frontal eminence small

14.) Eruption of temporary teeth will be completed by:      

  1. One to one and half years           
  2. Two to two and half years
  3. Three to four years          
  4. Four to five years

15.) The age of a 15 year old female is best determined by the radiograph of:

  1. Lower end of Radius and Ulna   
  2. Upper end of Humerus
  3. Upper end of radius and ulna      
  4. Xiphisternum

16.) First finger loop bureau was established in:

  1. London   
  2. Paris        
  3. Calcutta   
  4. Madras

17.) Closure of coronal sutures starts at the age of:

  1. 20 years                
  2. 21 years   
  3. 30-35 years                    
  4. 50-60 years

18.) Brachiocephaly is due to fusion of:

  1. Saggital suture      
  2. Coronal suture     
  3. Parietal suture      
  4. Lambdoid suture

19.) Cephalic index is useful in determining:

  1. Age                      
  2. Sex                        
  3. Race                              
  4. Stature

20.) Best method for identification of a person is by:

  1. Scars       
  2. Blood group        
  3. DNA Analysis     
  4. Fingerprints

21.) Super imposition technique is used in:

  1. Skull        
  2. Pelvis
  3. Femur      
  4. Ribs

22.) Human hair differs from animal hair by that:

  1. Cuticle has scales
  2. Medulla is thick
  3. Medulla is broader than cortex    
  4. Pigment is central

23.) Absent fragmented medulla in hair is seen in all except:

  1. Negroid   
  2. Aryans    
  3. Mongoloids         
  4. Caucasians

24.) Pearson’s formula is used for:

  1. Cephalic index    
  2. Stature     
  3. Race
  4. Age

25.) Best specimen of bone for sex determination is:

  1. Femur      
  2. Pelvis      
  3. Skull
  4. Mandible

View Answers