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33.

Which of the statements about Chromosome is NOT TRUE?

(A) Centromere divides chromosome into two arms

(B) The longer arm is called 'p' and shorter arm is called 'q'

(C) A somatic cell has 46 chromosomes

(D) In Karyotyping, each pair of autosomes are arranged according to length

Which of the following is NOT TRUE about traditional Cytogenetic analysis?
(A) Used in Prenatal diagnosis of congenital disorders

(B) Used in Evaluation of neoplastic disorders

(C) Can be performed on non-viable tissue cells

(D) Numerical abnormalities of chromosomes can be studied

Peripheral blood sample for routine karyotyping is collected in __
(A) EDTA (B) Heparin
(C) Normal saline (D) Sodium Citrate 3.8%

Which statement about Colcemid (Colchicine) in karyotyping is NOT TRUE?
(A) Used in cell harvesting stage

(B) Arrest cell division at metaphase

(C) Prevent separation of sister chromatids

(D) Is a mitogen used for cell proliferation

In a G-banding Karyotype analysis which is the Chromosome staining pattern seen?
(A) Dark bands are AT-rich (gene-poor); Light bands are CG-rich (gene-rich) regions
(B) Light bands are AT-rich (gene-poor); Dark bands are CG-rich (gene-rich) region
(C) Centromere staining is bright

(D) Only a defined portion of chromosome is stained

Which light source gives maximum resolution in a microscope?

(A) Ultraviolet (B) Blue

(C) Green (D) Red

The recommended holding period for sterilization of glass wares using hot air oven
set at 160°C is

(A) 20 minutes (B) 30 minutes

(C) 45 minutes (D) 60 minutes

Which of the following vaccines was not developed by Pasteur?
(A) Polio vaccine (B) Rabies vaccine
(C) Anthrax vaccine (D) Chicken cholera vaccine

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