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1)
The use of living organisms in industry for the production of the useful products is known as:
- A) Parasitology
- B) Biochemistry
- C) Biotechnology
- D) Molecular biology
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2)
Plants having foreign DNA incorporated into their cells are called:
- A) Clone plants
- B) Transgenic plants
- C) Partner plants
- D) Mutants plants
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3)
Treatment by using attenuated cultures of bacteria is called?
- A) Chemotherapy
- B) Sterilization
- C) Antispsis
- D) Mascination
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4)
The major cause of hepatitis B is:
- A) Blood transfusions
- B) Blood clotting
- C) Absence of fibrinogen
- D) Contaminated salt
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5)
During animal cell division the spindle fibers are formed from:
- A) Mitochondria
- B) Centrioles
- C) Ribosomes
- D) Lysosomes
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6)
Which component of the cell is concerned with cell secretion?
- A) Plasma membrane
- B) Golgi complex
- C) Cytoskeleton
- D) Mitochondria
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7)
During which period of interphase (cell cycle) DNA is synthesized?
- A) G1
- B) G2
- C) S
- D) G0
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8)
Peptidoglycan or murein is special or distinctive feature of cell wall in:
- A) Algae
- B) Fungi
- C) Bacteria
- D) Plants
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9)
In mitochondria, a small knob like structures called F particles are found in:
- A) Outer membrane
- B) Outer compartment
- C) Inner membrane
- D) Inner compartment
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10)
The most critical phase of mitosis which ensures equal distribution of chromatids in the daughter cells is:
- A) Prophase
- B) Metaphase
- C) Anaphase
- D) Telophase
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1)
Non-disjunction of 21st pair of chromosomes is one of the gamete leads to 47 chromosomes in the individual. This condition is called:
- A) Turner`s syndrome
- B) Klinefelter`s syndrome
- C) Down`s syndrome
- D) Jacob`s syndrome
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2)
The intake of liquid material across the cell membrane is :
- A) Phagocytosis
- B) Endocytosis
- C) Pinocytosis
- D) Exocytosis
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3)
Which one of the following is the site of oxidative phosphorylation in mitochondria?
- A) Cristae
- B) Matrix
- C) Outer membrane
- D) Ribosomes
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4)
Organelle involved in the synthesis of ATP is:
- A) Ribosome
- B) Mitochondria
- C) Nucleus
- D) Centriole
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5)
The most common respiratory substance as a source of energy is:
- A) Glucose
- B) Sucrose
- C) Fructose
- D) Insulin
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6)
The simplest monosaccharide containing keto group is:
- A) Glyceraldehyde
- B) Dihydroxy acetone
- C) Glucose
- D) Ribose
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7)
If the genetic code is made up of three nucleotides, then total possible genetic code will be:
- A) 4
- B) 20
- C) 64
- D) 61
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8)
Waterproof surfaces like cuticle of leaf and protective covering of an insect`s body are:
- A) Phospholipids
- B) Waxes
- C) Terpenoids
- D) Acyly glyceroids
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9)
In translation the terminating codon is:
- A) GUA
- B) UAA
- C) UUG
- D) AGU
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10)
All co-enzymes are derived from:
- A) Proteins
- B) Carbohydrates
- C) Metal ions
- D) Vitamins
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1)
The competitive inhibitors have structural similarity with:
- A) Active site
- B) Binding site
- C) Substrate
- D) Co-enzyme
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2)
Which one of the following is the optimum pH of pancreatic lipase enzyme?
- A) 7.60
- B) 8.00
- C) 9.00
- D) 9.70
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3)
A co-factor tightly bound to the enzyme on the permanent basis is called:
- A) Activator
- B) Co-enzyme
- C) Prosthetic group
- D) Apo-enzyme
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4)
Which one of the following cells are mainly infected by HIV?Q.156 Which one of the following cells are mainly infected by HIV?
- A) T-killer lymphocyte
- B) T-helper lymphocyte
- C) B-plasma cells
- D) B-memory cells
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5)
Which one of the following antibiotic causes permanent discoloration of teeth in young children if it is misused?
- A) Penicillin
- B) Streptomycin
- C) Solanamide
- D) Tetracycline
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6)
What are the sequence of steps in which a bacteriophage attacks bacteria and injects its DNA?
- A) Landing → tall contraction → penetration → DNA injection
- B) Penetration → Landing → Tall contraction → DNA injection
- C) Tall contraction → Landing → DNA Injection Penetration
- D) Landing → Penetration → Tall contraction → DNA injection
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7)
Athlete`s Foot is a disease caused by:
- A) Bacteria
- B) Virus
- C) Fungus
- D) Arthropod
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8)
Ascaris is which one of the following?
- A) Ectoparasite
- B) Intestinal parasite
- C) Respiratory parasite
- D) Urinogenetal tract parasite
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9)
Polymorphism is a feature exhibited by members of:
- A) Coeienterates
- B) Arthropode
- C) Porifera
- D) Playheiminthes
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10)
Which one of the following is the primary host of liver fluke?
- A) Man
- B) Sheep
- C) Snail
- D) Dog
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1)
Which one of the following is an example of a free living carnivorous flatworm?
- A) Liver fluke
- B) Dugesia
- C) Tapeworm
- D) Schistosoma
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2)
The sources of staple food for man are plants which belong to the family:
- A) Mimosaceae
- B) Poaceae
- C) Rosaceae
- D) Fabaceae
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3)
In human, Escherichla coli is involved in the formation of:
- A) Calcium
- B) Vitamin D
- C) Vitamin A
- D) Vitamin K
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4)
The function of Goblet cells is to secrete:
- A) Gastrin
- B) Hydrochloric acid
- C) Pepsinogen
- D) Mucus
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5)
Gastric glands are composed of_______types of cells.
- A) Two
- B) Three
- C) Four
- D) Five
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6)
HCl in gastric juice is secreted by which one of the following cells?
- A) Chief cells
- B) Oxyntic cells
- C) Mucous cells
- D) Kupffer cells
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7)
Histamine is produced by which one of the following cells?
- A) Basophils
- B) Platelets
- C) Monocytes
- D) Eosinophils
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8)
Which one of the following is the most numerous/commonest white blood cells?
- A) Eosinophils
- B) Monocytes
- C) Neutrophils
- D) Lymphocytes
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9)
The oxygenated blood from lungs to heart is transported the:
- A) Pulmonary artery
- B) Coronary artery
- C) Pulmonary vein
- D) Hepatic artery
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10)
Which one of the following proteins takes part in blood clotting?
- A) Pepsinogen
- B) Finrinogen
- C) Immunoglobulin
- D) Clabulin
