Forensic Biological Sciences QnA (FACT 2022)

FACT and FACT Plus Exam 20 March 2022

Exam NameFACT and FACT Plus Exam 20 March 2022
Test Date20/03/2022
Test Time :9:00 AM – 11:00 AM
SubjectForensic Biological Sciences (FACT)

Contents

Section I: Aptitude in Forensic Science

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Section II : Forensic Biological Sciences

Q.51. What is meant by clinically dead?

  1. Cessations of blood circulation and breathing
  2. When a person becomes unconscious
  3. When a person suffers brain damage
  4. When a clinic declares a person as dead

Answer: 1. Cessations of blood circulation and breathing

Q.52. Angora is a wool fibre obtained from:

  1. Deer
  2. Goat
  3. Rabbit
  4. Camel

Answer: 3. Rabbit

Q.53. Digestion is completed in:

  1. Stomach
  2. Cloaca
  3. Duodenum
  4. Ileum

Answer: 4. Ileum

Q.54. Contusion is:

  1. External bleeding on skin surface
  2. Tear or rupture of tiny blood vessels under the surface of skin
  3. Sharp weapon cut
  4. Lacerated wound

Answer: 2. Tear or rupture of tiny blood vessels under the surface of skin

Q.55. Which is the part of Mitochondrial DNA?

  1. Y-loop
  2. T-loop
  3. D-loop
  4. S- loop

Answer: 3. D-Loop

Q.56. Forensic Palynology is study of:

  1. Pollen and spore evidences
  2. Polymer evidences
  3. Cellulose evidences
  4. Injuries

Answer: 1. Pollen and spore evidences

Q.57. If your hairline comes together in a downward V-shape at the center of your forehead?

  1. You have widow’s peak hairline
  2. You have got V-peak hairline
  3. You have got W-peak line
  4. All of these

Answer:  1. You have widow’s peak hairline

Q.58. Facial reconstruction is used for:

  1. Individualization using skeletal remains
  2. Making face looks attractive
  3. Determination of time of death
  4. None of these

Answer: 1. Individualization using skeletal remains

Q.59. Colour of the cornea of the deceased after 2-3 hrs becomes:

  1. Transparent
  2. Cloudy
  3. Black
  4. Red

Answer: 2. Cloudy

Q.60. The universal blood group blood donor in ABO system are:

  1. A
  2. B
  3. AB
  4. O

Answer: 4. O

Q.61. The bluish-purple discoloration of skin after death is called:

  1. Rigor mortis
  2. Rigidity
  3. Lividity
  4. Morbidity

Answer: 3. Lividity

Q.62. Structural unit of compact bone is:

  1. Osteon
  2. Osteoblast
  3. Neuron
  4. Osteocytes

Answer: 1. Osteon

Q.63. Sodium Chloride that is used as a preservative for blood samples inhibits the enzymes.

  1. Phosphokinase
  2. Enolase
  3. Peptidase
  4. Esterase

Answer: 2. Enolase

Q.64. In which stage of meiosis, crossing over takes place?

  1. Metaphase
  2. Pachytene
  3. Anaphase
  4. Leptotene

Answer: 2. Pachytene

Q.65. Colour blindness is not common occurrence in:

  1. Woman
  2. Man
  3. Man and Woman
  4. All of these

Answer: 1. Woman

Q.66. Which base is not available in RNA?

  1. Adenine
  2. Cytosine
  3. Guanine
  4. Thiamine

Answer: 4. Thiamine

Q.67. How many bones are there in Adult human skeleton?

  1. 200
  2. 206
  3. 215
  4. 106

Answer: 2. 206

Q.68. Which statement is NOT true?

  1. Mitochondrion shows maternal lineage
  2. Mitochondrial evolution said to be developed from bacteria
  3. Mitochondrion shows paternal lineage
  4. Mitochondrion is Powerhouse of the cell

Answer: 3. Mitochondrion shows paternal lineage

Q.69. Which of the following statements is true about the ABO blood system?

  1. It was discovered in the 1960
  2. It was discovered by Karl Landsteiner
  3. Few people are actually typed for this system because of the difficulty of the procedure
  4. A & B

Answer: 2. It was discovered by Karl Landsteiner

Q.70. Fat digestion is facilitated by:

  1. Pancreatic juice
  2. Bile salts
  3. Gastric juice
  4. None of these

Answer: 2. Bile Salts

Q.71. Sebaceous glands are not found in:

  1. Fore head
  2. Chest
  3. Armpits
  4. Palms

Answer: 4. Palms

Q.72. Gustafson’s method is used for:

  1. Age determination from teeth
  2. Age determination by chest bone
  3. Age determination from skull
  4. Age determination from fusion in long bones

Answer: 1. Age Determination from teeth

Q.73. Forensic Odontology is related to:

  1. Evaluation of dental evidence
  2. Development of molar teeth
  3. Tooth decay
  4. Development of canine

Answer: 1. Evaluation of Dental Evidence

Q.74. A pollen fingerprint is:

  1. Number and type of pollen grains found in a geographical area
  2. identical with the Lichens
  3. Type of pollen grains found in a geographical area
  4. Number of pollen grains found in a geographical area

Answer: 1. Number and type of pollen grains found in a geographical area

Q.75. Animal hair differ with human hair in:

  1. Shape
  2. Medullary index
  3. Follicular structure
  4. Colour

Answer: 2. Medullary Index

Q.76. Cause of colour blindness is:

  1. Hypermetropia
  2. Presbiopia
  3. Vitamin-A deficiency
  4. Genetic

Answer: 4. Genetic

Q.77. Human mt-DNA is approx.

  1. 16.6 kbp
  2. 20 kbp
  3. 19.6 kbp
  4. 18 kbp

Answer: 1. 16.6 kbp

Q.78. Which maggot best indicate time since death?

  1. Flies belonging to the families Scenopinidae and Rhagionidae
  2. Flies belonging to the families Calliphoridae and Sarcophagidae
  3. Flies of all families
  4. Flies belonging to the families Asilidae and Scenopinidae

Answer: 2. Flies belonging to the families Calliphoridae and Sacrophagidae

Q.79. XY Chromosomes are responsible for:

  1. Determination of skin colour
  2. Determination of sex in human
  3. Determination of age of male
  4. All these

Answer: 2. Determination of Sex in Human

Q.80. The method of determination of maternal lineage is:

  1. Autosomal DNA
  2. Mitochondrial DNA
  3. XY chromosomes
  4. Y Chromosomes

Answer: 2. Mitochondrial DNA

Q.81. Animal cell membrane is made up of:

  1. Lipids and Proteins
  2. Carbohydrates and Proteins
  3. Carbohydrates and Lipids
  4. Nucleotide and Proteins

Answer: 1. Lipids and Proteins

Q.82. Purines are two bases:

  1. A & T
  2. C & G
  3. U & G
  4. A & G

Answer: 4. A & G

Q.83. Which cell division is more responsible for genetic variations?

  1. Mitotic Division
  2. Meiotic Cell Division
  3. Fission
  4. All of these

Answer: 2. Meiotic Cell Division

Q.84. Kinetochore is:

  1. Present in Chloroplast
  2. Constriction near chromosome end
  3. Disc shaped Protein structure on centromere
  4. Present in mitochondria

Answer: 3. Disc shaped Protein structure on centromere

Q.85. Sperms are stored and matured in one of the following:

  1. Testes
  2. Vas deferens
  3. Seminal Vesicle
  4. Epididymis

Answer: 4. Epididymis

Q.86. Female cranial sutures close normally between the ages of:

  1. 25-30 years old
  2. 30-40 years old
  3. 40-50 years old
  4. 20-25 years old

Answer: 2. 30-40 years old

Q.87. Rh factor found on the surface of RBCs is a:

  1. RNA
  2. Amino acid
  3. Protein
  4. Glucose

Answer: 3. Protein

Q.88. What is the name of MHC in humans?

  1. H2
  2. HLA
  3. Adjuvants
  4. Haplotype

Answer: 2. HLA

Q.89. Mode of communication within the body is coordinated by:

  1. Nervous and endocrine systems
  2. Electrolytes
  3. Blood circulation
  4. All of these

Answer: 1. Nervous and endocrine systems

Q.90. Abrasions wounds are:

  1. Because of first layer of skin is scraped or rubbed
  2. Deep wounds
  3. Wounds caused by heavy blunt object
  4. None of these

Answer: 1. Because of first layer of skin is scraped or rubbed

Q.91. Cartilage is:

  1. Connective Tissue
  2. Hard Muscles Tissue
  3. Flexible Bone
  4. All of these

Answer: 1. Connective Tissue

Q.92. What is the difference between an entrance and exit wound in firearm injuries?

  1. Entry wounds are generally smaller and more irregular than exit wounds
  2. Entry wounds are generally larger and more irregular than exit wounds
  3. Entry wounds are not visible but exit wounds are visible
  4. Entry wounds are generally smaller and regular than exit wounds

Answer: 4. Entry wounds are generally smaller and regular than exit wounds

Q.93. Which one of the following is used in DNA fingerprinting?

  1. Western blotting
  2. Northern blotting
  3. Southern Blotting
  4. DNA foot printing

Answer: 3. Southern Blotting

Q.94. Which one is the functional unit of nervous system are?

  1. Nephrons
  2. Spinal cord
  3. Brain
  4. Neurons

Answer: 4. Neurons

Q.95. How can time of death be determined by stomach contents?

  1. Stomach contents are examined for quality of meal
  2. Stomach empties its contents more than four hours after a meal
  3. Not possible to assess time of death by stomach contents
  4. Stomach empties its contents Two to three hours after a meal

Answer: 2. Stomach empties its contents more than four hours after a meal

Q.96. The injury sustained by skin due to an alternating current is called:

  1. Filigree burn
  2. Joule burn
  3. Brush burn
  4. Arborescent mark

Answer: 2. Joule burn

Q.97. Cholera is caused by:

  1. Virus
  2. Fungus
  3. Bacteria
  4. All of these

Answer: 3. Bacteria

Q.98. In determining the phenotype for the ABO blood system:

  1. O is dominant over A
  2. is recessive
  3. B is dominant over A
  4. All of these

Answer: 2. is recessive

Q.99. PCR based three steps required for DNA synthesis:

  1. Denaturation, Extension, Annealing
  2. Extension, Denaturation, Annealing
  3. Denaturation, Annealing , Extension
  4. Annealing, Denaturation, Extension

Answer: 3. Denaturation, Annealing , Extension

Q.100. The fluid mosaic model of cell membrane was discovered by:

  1. A. Kieth and E. Moore, 1971
  2. G. S. Robert and T. S. Moore, 1973
  3. M. Jacob and O. Monad , 1969
  4. S. J. Singer and G. L. Nicolson, 1972

Answer: 4. S. J. Singer and G. L. Nicolson, 1972

Q.101. Sex can be established by examination of hair root cells for the presence of?

  1. Davidson body
  2. Golgi body
  3. Barr body
  4. Medullary index

Answer: 3. Barr Body

Q.102. Recording of dying declaration is comes under section of Indian Evidence Act, 1872:

  1. 35A
  2. 65A
  3. 32(1)
  4. 45(1)

Answer: 3. 32 (1)

Q.103. “fat of graveyards” is referred to:

  1. Adipocere
  2. Mummification
  3. Putrefaction
  4. Vitreous humour

Answer: 1. Adipocere

Q.104. What is called when a dead body gets stiff?

  1. Rigor mortis
  2. Livor mortis
  3. Algor mortis
  4. Pallor mortis

Answer: 1. Rigor Mortis

Q.105. Length of mature human spermatozoa with tail is approx.:

  1. 50μm
  2. 10μm
  3. 100μm
  4. 10cm

Answer: 1. 50μm

Q.106. Radiographs are very useful in forensic dentistry for:

  1. Continuous treatment related to dental problem
  2. Locating any other problem in teeth
  3. Fixing individual identity in forensic
  4. Treating dental carries of victim

Answer: 3. Fixing individual identity in forensic

Q.107. Which is the smallest bone in the human skeleton?

  1. Palatine
  2. Atlas
  3. Stapes
  4. Zygomatic

Answer: 3. Stapes

Q.108. Antiserum is

  1. Blood serum containing a mixture of antigens and antibodies
  2. Blood serum containing specific antibodies
  3. Blood serum in which antigens and antibodies both are absent
  4. Blood serum containing specific antigens

Answer: 2. Blood serum containing specific antibodies

Q.109. On which organelle protein synthesis occur?

  1. Ribosome
  2. Nucleosome
  3. Lysosome
  4. Episome

Answer: 1. Ribosome

Q.110. Structure that helps cells to maintain their shape is called:

  1. Genes
  2. Chromatin
  3. Cytoskeleton
  4. Chromosomes

Answer: 3. Cytoskeleton

Q.111. Which one is not the component of hair:

  1. Cortex
  2. Cuticle
  3. Connective tissue
  4. Medulla

Answer: 3. Connective Tissue

Q.112. During meiosis-I, the bivalent chromosomes clearly appear as tetrads using:

  1. Pachytene
  2. Diakinesis
  3. Diplotene
  4. Zygotene

Answer: 1. Pachytene

Q.113. Mt-DNA examination is used for the determination of:

  1. Paternal lineage
  2. Time of death
  3. Maternal lineages
  4. Age estimation

Answer: 3. Maternal Lineages

Q.114. A cusp is related to:

  1. Pelvis
  2. Wrist bones
  3. Long bones
  4. Posterior back teeth

Answer: 4. Posterior back teeth

Q.115. Stature of the skeleton can be determined using:

  1. Vertebral Column
  2. Ribs
  3. Long bones
  4. Sternum

Answer: 3. Long Bones

Q.116. Genetic code is:

  1. Indicator molecules to terminate DNA replication
  2. Sequence of bases which do not code for protein
  3. Sequence of bases in m-RNA those codes for protein
  4. Sequence of Amino Acids for protein

Answer: 3. Sequence of bases in m-RNA those codes for protein

Q.117. What is the function of facial bones?

  1. Protect the brain
  2. Helping nervous system
  3. Protect the jaw
  4. To support the back bone

Answer: 1. Protect the Brain

Q.118. The longest bone in human skeleton is:

  1. Ulna
  2. Fibula
  3. Tibia
  4. Femur

Answer: 4. Femur

Q.119. Tattoo marks, if destroyed, their presence can be inferred from the presence of pigment in:

  1. Lymph node region
  2. Deep dermis
  3. Skin of adjoining region
  4. Sub-cutaneous tissue

Answer: 1. Lymph node region

Q.120. Organelle that contains digestive enzymes in the cells are:

  1. Nucleosome
  2. Episome
  3. Ribosome
  4. Lysosome

Answer: 4. Lysosome

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