[25 MCQ Test] Forensic Biology and Serology Quiz For NTA UGC NET

Welcome to your Forensic Biology and Serology Quiz

Excess of CO2 in blood will:

Stimulate respiratory center

Depress respiratory center

No effect on respiratory center

Alternately stimulate and depress the respiratory center

The blood grouping system was given by:

Burrard

Curry

Landsteiner

Henry

Gender of individual from blood can be determined by:

(i) X, Y Chromosome (ii) Barr bodies (iii) Protein pattern (iv) Testerone/ Estroidil Ratio
Codes:

(i), (iii), and (iv) are correct

(i), (ii), and (iii) are correct

(ii), (iii), and (iv) are correct

(i), (ii), and (iv) are correct

The approximate number of branches in amylopectin is

Which of the following are correct regarding Mitochondrial DNA Analysis?

(i) mt DNA has 16,569 base pairs
(ii) Each mitochondrion contains 10⁵mt DNA strands
(iii) mt DNA is divided into 2 hyper variable regions- HVR1 and HVR2
(iv) HVR1 extends from bp 16,000- 16,569

Only (i), and (iv) are correct

Only (ii), (iii) and (iv) are correct

Only (i), (iii) and (iv) are correct

Only (i), (ii) and (iii) are correct

What is the color of serum?

Yellow

Pale blue

Light pink

Colorless

Assertion and Reason Question

Assertion (A): A phenolphthalein solution is used to show the possible presence of blood.
Reason (R): As there is a non-specific peroxidase reaction with hemoglobin producing purple color.

Both (A) and (R) are correct

(R) is incorrect, but (A) is correct

Both (A) and (R) are incorrect

(R) is correct, but (A) is incorrect

Which of these is a part of mtDNA?

T-loop

D-loop

S-loop

Y-loop

Synthesis of glucose from fat is known as

Glycolysis

Glycogenolysis

Saponification

Gluconeogenesis

10.

DNA can be isolated from the following part of hair:

(i) Root (ii) Cortex (iii) Cuticle (iv) Medulla
Codes:

(ii), (iii) and (iv) are correct.

(i), (ii) and (iv) are correct.

(iii), (iv) and (i) are correct.

(i), (ii) and (iii) are correct.

11.

Confirmatory test for identification of human saliva are:

(i) Lateral immunochromatographic strip test
(ii) Rapid Stain Identification Kit (RSID)
(iii) Phadebas test
(iv) UV examination
Codes:

(i) and (iii) are correct

(ii) and (iii) are correct

(ii), and (iv) are correct

(i) and (ii) are correct

12.

In PCR reaction, the annealing temperature depends on:

GC content of sequence

Primer Dimer

AT contents of sequence

Concentration of Mg used in reaction

13.

Synthesis of glucose from fat is known as

Saponification

Gluconeogenesis

Glycolysis

Glycogenolysis

14.

Gender of individual from blood can be determined by:

(i), (ii), and (iv) are correct

(i), (iii), and (iv) are correct

(ii), (iii), and (iv) are correct

(i), (ii), and (iii) are correct

15.

Following is true for chemiluminescence and fluorescence.

(a) Fluorescence is another name for chemiluminescence (specifically when chemicals are involved)
(b) The color of the emitted light is always the same
(c) The mechanism of light production is different
(d) The duration of emitted light

(a) only

(b) only

(a), (b), and (c) only

16.

Which of the following preservative is used for preserving hair for DNA analysis?

Rectified spirit

Dimethyl sulfoxide

No preservative is required

Normal saline

17.

Fatal hypoxia occurs when oxygen saturation of arterial blood drops to

2 mm Hg

20 mm Hg

70 mm Hg

90 mm Hg

18.

Which of the following are characteristic features of catalytic tests for blood identification?

(a) They use a chromogenic substance in the reaction
(b) A single solution containing both the chromogen and the oxidant is advantageous
(c) They rely on the peroxidase-like activity of hemoglobin
(d) A rapidly developing color indicates a positive test

(b), (c), and (d)

(a), (c), and (d)

(a), (b), and (c)

(a), (b), and (d)

19.

DNA typing facility in a forensic science laboratory in India was first introduced at:

Hyderabad CFSL

Kolkata CFSL

Chandigarh CFSL

Guwahati CFSL

20.

One of the following tests is used to determine the species of origin from blood stain:

Acid phosphate

Immuno precipitation

Fluorescence

Teichmann

21.

The two main electrolytes found in blood serum:

Sodium ion (Na⁺) and Calcium ion (Ca²⁺)

Sodium ion (Na⁺) and chloride ion (Cl⁻)

Magnesium ion (Mg²⁺) and sulfate ion (SO₄²⁻)

Potassium ion (K⁺) and bicarbonate ion (HCO₃⁻)

22.

Which of the following preservative is used for preserving hair for DNA analysis?

No preservative is required

Dimethyl sulfoxide

Rectified spirit

Normal saline

23.

Following are statements about the substances found in different blood cells:

(a) Hemoglobin is found in red blood cells (RBCs) and is responsible for transporting oxygen.
(b) Platelets contain fibrinogen, which is crucial for clot formation.
(c) White blood cells (WBCs) have a nucleus, which makes them suitable for DNA typing.

(a), (b), and (c)

(a) and (c) only

(b) and (c) only

(a) and (b) only

24.

Which of the following are correct regarding Mitochondrial DNA Analysis?

(i) mt DNA has 16,569 base pairs
(ii) Each mitochondria contains 105mt DNA strands
(iii) mt DNA is divided into 2 hyper variable regions- HVR1 and HVR2
(iv) HVR1 extends from bp 16,000- 16,569
Code:

Only (i), (ii) and (iii) are correct

Only (i), (iii) and (iv) are correct

Only (i), and (iv) are correct

Only (ii), (iii) and (iv) are correct

25.

Following measures can help to minimize the false positives and false negatives in blood identification tests:

(a) Using a single solution for chromogen and oxidant
(b) Proper use of positive and negative controls
(c) Heating the sample before testing
(d) Diluting the sample with water

(b) and (d)

(b) and (c)

(a) and (c)

(a), (b), and (c)

Forensic Biology and Serology Quiz

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