NEET - 2022

 Antibodies Related Questions With Answer.

1. Which Antibody can cross human Placenta?

Ans: IgG.    

2. Which is the largest Antibody in Immunology?

Ans: IgM.  

3. Mention the Correct order of Antibodies according to their molecular weight.

Ans: lgM>lgA>IgE>IgD>IgG 

4.  Which Antibodies receptor is always present on the surface of Mast cell?

Ans: IgE.

5. Which lmmunoglobuin is produced early in the Primary response to infection?

Ans: lgM.

6. Which Immunoglobulin is occur human foetus?

Ans: IgA.

7. Which type of Antibody is found in Human milk or  Colostrum?

Ans: IgA.

8. Which Antibody is the main host defense against Parasite infection?

Ans: IgE.

9. Mention the Antibody which is transferred mother to Child by breastfeeding?

Ans: IgA.

10. Which Antibody has maximum half life?

Ans: IgG1.

11. Which Immunoglobulin is prominent antigen receptor expressed on B - cells?

Ans: IgM.

12. Which type of Antibody is most abundant in Children?

Ans: IgG.

13. Which Immunoglobulin is heat labile?

Ans: IgE. ( 56°C )

14.  Which Antibody Class is distributed maximum intravascularly?

Ans: IgM.

15. Which Antibody plays against pathogens coming from gastrointestinal tract?

Ans: IgA .

16. Mention the Antibody found in external secretion?

Ans: IgA. ( Saliva, Milk, Tears, Mucus)

            Biotechnology 

1. What is the full form of cDNA?

Ans: Complementary DNA.

2. Which is the first cloning animal?

Ans: Dolly. (Female Ewes)

3. In which cell,the interest gene  is entered to produce a transgenic animal or plant?

Ans: Germ cell.

4. Give an example of transgenic animal and plant.

Ans: Animal: Dolly, Mice.                               

        Plant: Bt Cotton, Bt Brinjal.

5. Which is important enzyme for PCR technique?

Ans: Taq polymerase.

6. What is Probe?

Ans: Probe is defined with a single stranded sequence of DNA or RNA molecule specially used to search to own complementary sequence in a unknown sample DNA molecule.

It is used for identification of DNA fragment.

7. Mention the Full form of RIA.

Ans: Radio immuno assay.

8. Give an example of hormone which is produced by biotechnology technique.

Ans: Insulin or Growth hormone.

9. What is humulin?

Ans: When Insulin hormone is produced by biotechnology technique, the hormone is called humulin.

10. What is plasmid?

Ans: Plasmids are small circular DNA molecule present in cell that can able to replicate independently of the chromosome. It is generally generally occur in bacteria and other microscopic organism.

11. Briefly describe different branches of the Biotechnology?

Blue Biotechnology: when biotechnology is used on Aquatic  and Marine animal to produced cloning animal.

Green Biotechnology: When biotechnology is used in Agriculture purpose to yield crop production is called green technology.

Red Biotechnology: In this branch, Biotechnology is used to collect or production of Different types of Antibiotic essential for human  hygiene treatment.

White Biotechnology: here biotechnology is used for production of Different enzyme and Chemicals.