741. _ is the sensitive layer of the eye.
(A) Retina
B: Iris
C: Choroid
D: Sclera
742. Human immunodeficiency virus affects _.
A: Fibroblasts
B: Red Blood Cells
(C: Helper T lymphocytes (CD4)
D: Mast cells
743. Trisomy of _ leads to Patau’s syndrome.
(A: 13th Chromosome)
B: 18th Chromosome
C: 21st Chromosome
D: 22nd Chromosome
744. What is the unit of Genetic map?
A: Nanometer
B: Centimeter
C: Angstrom
(D: Centimorgan)
745. Mendel was Austrian?
(A: Monk)
B: Biology Teacher
C: Scientist
D: Mathematician
746. _ is an enzyme that forms covalent bonds between restriction fragments.
A: DNA Helicase
B: DNA Primase
C: DNA Polymerase
(D: DNA Ligase)
747. Staphylococcus aureus was isolated by?
(A: Louis Pasteur)
B: Rosenbach
C: Passet
D: Sir Alexander Ogston
748. The least porous soil among the following is?
(A: Clayey soil)
B: Silty soil
C: Loamy soil
D: Peaty soil
749. Glucose (C6H12O6) can also be called as :
A. Cane sugar
B. Cranberry sugar
(C. Grape sugar)
D. Malt sugar
750. Carbohydrates (CNH2MOM) include all but :
A. Chitin of arthropods
B. Sugar
C. Cellulose
(D. Dietary fiber)
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