List of top Animal Biotechnology Questions on Immunology

Vaccine was invented by

The viral RNA inducible interferon system provides the molecular defense against

During Gastric Dilatation Volvulus (GDV) in dogs, the myocardial depressant factor is released from--

Which of these statements is/are correct about competitive ELISA?
(A). It can be used for accurate measurement of the circulating level of the hormone.
(B). There is competition between the natural antigen (hormone) to be tested for and an enzyme conjugated form of the antigen which is the detection reagent.
(C). The more natural antigen present the more it will displace (compete out) the conjugated form leading to a reduction in enzyme bound to the plate.
(D). The more natural antigen bound to the antigen, the higher the signal will be generated.
Choose the correct answer from the options given below:

Which of these cells is CD8 positive cell?

Credit for discovering Rh blood antigen is given to

Bursa equivalent organ in human being regarding lymphocytes, is -

J-polypeptide chain is structural component of –

(A). IgG
(B). IgA
(C). IgM
(D). IgD

Choose the correct answer from the options given below:

Folate is required for the normal DNA synthesis. Folate deficiency impairs the activity of the folate requiring enzyme synthase and thus the synthesis of which nucleotide is decreased.

Name the hormones having cell surface receptors and the second messenger is calcium or phosphotidyl inositol.
(A). Thyrotrophic releasing Hormone (TRH)
(B). Gonadotropin Releasing Hormone (GRH)
(C). Calcitriol
(D). Calcitonin
Choose the correct answer from the options given below:

Deficiency of Vitamin B6 (Pyridoxine) causes :
(A). Hampers serotonin production
(B). Epinephrine and Nor epinephrine are not produced properly
(C). GABA is not produced properly
(D). Protein is not produced properly
Choose the correct answer from the options given below:

Which immunoglobulin can cross the placental barrier and protect the new born from infections?

Match List-I with List-II
List-I (Name of Immunoglobulin)
(A). IgG
(B). IgM
(C). IgA
(D). IgE
List-II (Corresponding Heavy chain)
(I). Alpha Heavy chain
(II). Epsilon Heavy chain
(III). Gamma Heavy chain
(IV). Mu Heavy chain
Choose the correct answer from the options given below:

Given below are two statements:
Statement (I): If thyroid gland secret insufficient quantity of thyroxin hormone the condition is called hypothyroidism.
Statement (II): In hypothyroidism thyroid stimulating hormone concentration in the blood is also below normal.
In light of the above statements, choose the most appropriate answer from the options given below.

The largest known protein is

Why the amphibians, birds and reptiles have uric acid and guanine as end products of purine metabolism?

The following table depicts Characteristics of various arms of tRNA (Column I) and the name of the arms of tRNA(Column II)
{ll} Characteristics of arm (Column I) & Name of the arm of tRNA(Column II)
A. It consists of base paired stem that terminates in the sequence CCA (5’ to 3’) & I. Anticodon arm
B. It recognizes the codon & II. Acceptor arm
C. Contains the base dihydrouridine & III. T $\Psi$ C arm
D. Contains the sequence pseudouridine & IV. D arm

Match the number of amino acids with the respective polypeptide chains of antibodies.
\includegraphics[width=0.6\linewidth]{png}

The following is a list of various inhibitors of respiratory chain (Column I) and their possible mode of action (Column II).
{ll} Column I (Inhibitor) & Column II (Mode of action)
A. Rotenone & I. Completely blocks oxidation and phosphorylation in intact mitochondria
B. Dimercaprol & II. Inhibits cytochrome oxidase
C. Carbon monoxide & III. Prevents the oxidation of substrates that communicate directly via NAD-linked dehydrogenases
D. Oligomycin & IV. Inhibits the respiratory chain between cytochrome b and cytochrome c

Why sodium flouride is added as a preservative while collecting blood samples for estimation of glucose levels?

Pregnenolone and progesterone form the precursors for all except:

Aldosterone is a compound with:

As per Bohr effect:

The number of polypeptide chains in hemoglobin is:

Name the respiratory reaction in which production of reduced coenzymes, and then its reoxidation, drives ATP synthesis: