Table of Contents
Azad Jammu & Kashmir Public Service Commission
ajkpsc past papers lecturer of biology
Examination For the Post | Lecturer Biology (B-17) |
Question paper type | MCQs |
Subject | Biology |
Time | 100 minutes |
Maximum Marks | 100 |
Note. Select the Correct answer and fill its circle completely on OMR answer sheet |
Question No.1. Which of the following protein is involved in the termination of RNA synthesis?
- Signe
- Rho
- Alpha
- None
Question No.2. The bindlag site for RNA polymerase is called
- Receptor
- Facilitator
- Promoter
- Terminator
Question No.3. Which of the following includes post transcriptional modifications?
- S’ capping
- Addition of poly A tail
- Splicing
- All of the above
Question No.4. Gallstones are most often the result of;
- Gallbladder-irritation
- Precipitation of cholesterol
- Eating cherries and swallowing the pits
- Accumulated bile pigment
Question No.5. Sponges are Included in which of the following phyla?
- Cnidarian
- Reptilian
- Peripheral
- Foraminifera
Question No.6. _______Of the fallowing, which is NOT a viral disease?
- Hepatitis
- Tuberculosis
- Chicken Pox
- Rabies
Question No.7. Surplus red blood cells, needed to meet an emergency, are MAINLY stored in what organ of the human body? Is It the:
- Pancreas
- Liver
- Spleen
- Kidneys
Question No.8. When a wound occurs in humans, the platelets in the blood activate a substance which starts the clotting process. The substance which starts the clotting is:
- Adenosine
- Lecithin
- Histamine
- Thrombin
Question No.9. During the final stage of cell division, the mitotic apparatus disappears, the chromosomes become attenuated, the centrioles duplicate and split, the nuclear membrane becomes reconstituted and the nucleolus reappears. This phase of cell division to known as:
- Prophase
- Anaphase
- Metaphase
- Telophase
Question No.10. Sickle cell anemia and Huntington’s chorea are both:
- Virus-related diseases
- Congenital disorders
- Bacteria-related diseases
- None of the above
Question No.11. Which of the following is NOT part of a neuron?
- Synapse
- Nissl bodies
- Axon
- Dendrite
Question No.12. Melatonin is produced by the:
- Skin
- Liver
- Pineal gland
- Pituitary gland
Question No.13. Which of the following statements is TRUE of insulin? Is it:
- Secreted by the pancreas
- A protein
- Involved in the metabolism of glucose
- All of the above
Question No.14. Bacteriophages are:
- Bacteria
- Viruses
- Bacteria precursors
- Agents which cause the production of bacteria
Question No.15. The AIDS viruses specifically attack which kind of cell?
- B cells
- Killer T cells
- Helper T cells
- Macrophages
Question No.34. The Process by which an amino acid loses its amine group is called:
- Hydration
- Oxidoamination
- Deamination
- Dehydration
Question No. 35. Bacteriophages are
- Viruses
- Bacteria
- Bacteria Precursors
- Agents which cause the production of bacteria
Question No.36. Mitochondrial DNA is
- Circular double stranded
- Linear double helix
- Circular single stranded
- None of these
Question No.37. The cellular organelles called “suicide bags” are
- Lysosomes
- Nucleolus
- Ribosomes
- Golgi’s bodies
Question NO.38. The Golgi complex
- Synthesizes proteins
- Provides a pathway for transporting chemicals
- Produces ATP
- Forms glycoproteins
(Keep in mind there are mcqs from ajkpsc past papers lecturer of biology)
Question No.39. The following substances are cell inclusions except
- Melanin
- Lipids
- Glycogen
- Centrosome
Question No.40. The polysaccharide found in the exoskeleton of invertebrates is
- Pectin
- Cellulose
- Chitin
- Chondroitin sulphate
Question Ne.41. Cyclic AMP is farmed from ATP by the enzyme adenylatecyclase which is activated by the hormone:
- Insulin
- Testosterone
- Epinephrine
- Progesterone
Question No.42. Hexokinase has a high affinity for glucose than
- Fructokinase
- Glucokinase
- Galactokinase
- All of the above
Question No.43. Sulphur containing amino acid is
- Methionine
- Valine
- Leucine
- Asparagine
Question No.44. Non-essential amino acids
- Are not components of tissue proteins
- May be synthesized in the body from essential amino acids
- Have no role in the metabolism
- May be synthesized in the body in diseased states
Question No.45. The protein present in hair is
- Keratin
- Myosin
- Elastin
- Tropocollagen
Question No.46. The technique for purification of proteins that can be made specific for a given protein is
- Gel filtration chromotography
- Electrophoresis
- lon exchange chromatography
- Affinity chromatography
Question No.47. An immunoglobulin which can cross the placental barrier is
- Iga
- Igd
- igm
- None of these
Question No.48. The most abundant immunoglobulin in plasma is
- Iga
- Igm
- Igg
- Igd
Question No.49. Antibody diversity arises from
- Gene amplification
- Alternative splicing
- Gene re-arrangement
- All of these
Question No.50. Cell-mediated immunity is the function of
- B lymphocytes
- Plasma cells
- T lymphocytes
- Basophils
Question No.51. MHC proteins are unique to
- Each cell
- Each individual
- Each organ
- Each species
Question No.52. MIC class I proteins are present on toe of Surface of
- B cell only
- Macrophages only
- T cells only
- All cells
Get for Mcqs for ajkpsc past papers lecturer of biology
Question No.53. MAC class 1) proteins, in conjunction with antigens are recognized by
- Cytotoxic T cells
- Suppressor T cells
- Helper T cells
- Memory T cells
Question No.54. Cytotoxic T cells release
- Perforins
- Colony stimulating factors
- Interleukins
- Tumors necrosis factor
Question No.55, How many carbon atoms are present in Stearic cide
- 16
- 18
- 17
- 20
Question Nv.56. Which of the following arc essential fatty acids?
- Linoleic acid
- Arachidonic acid
- T_inolenic acid
- All of the above
Question No.57. Canola oil has saturated fat content.
- 60%
- 9%
- 20%
- 7%
Question No.58. Salts of free fatty acids and glycerol are produced in which of the following
- Reactions
- Hydrogenation
- Saponification
- Esterification
- None
Question No.59. Which of the following carbohydrates contain B( 1-4) linkage?
- Starch
- Cellulose
- Glycogen
- None
Question No.60. All naturally occurring sugars are
- L
- D
- Both L and D
- None
Question No.61. When two glucose molecules join by a glycosidic linkage which of the following disaccharide farms?
- Sucrose
- Maltose
- Lactose
- None
Question No.62. Presence of 2 double bonds in stearic acid forms which of the following unsaturated fatty acid
- Oleic acid
- A linoleic acid
- Linoleic acid
- T linoleic acid
Question No.63. Non glycerides include which of the following molecule
- Glycolipids
- Waxes
- Sphingolipds
- Both b and c
Question No.64, Which of the following amino acid is non-polar
- Lysine
- Serine
- Glutamic acid
- Valine
Question No.65. These proteins are responsible for building arrangements in organisms.
- Hormones
- Structural proteins
- Enzymes
- Albumin
Question No.66. These proteins relay signals from one body part to another
- Enzymes
- Transport proteins
- Hormones
- Glucose
Question No.67. This is a common proteins hormone made in the pancreas.
- Insulin
- Collagen
- Hemoglobin
- Starch
Question No.68. Which of the following amino acids bas an amide side chain?
- Aspartic acid
- Asparagine
- Glutamic acid
- Methionine
Question No.69. The process of copying a gene’s DNA sequence into a sequence of RNA is called
- Replication
- Translation
- Transcription
- PCR
Question No.70. The first mrna codon to specify an amino acid is always
TAC
UAG
UAA
AUG
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