NCERT - Health and Diseases Questions and Answers of Class 12 Biology | GkSeries

Questions
196 Chhaganbhai is suffering from fever, then which kind of organism responsible for it ?
1 Plasmodium vivex
2 Plasmodium malarie.
3 Plasmodium falciparum
4 All of hte given.

Answer: Plasmodium falciparum
197 What is responsible for malaria...?
1 All Anopheles mosquitoes.
2 All Culex mosquitoes.
3 Only male Anopheles mosquitoes
4 Only female Anopheles mosquitoes

Answer: Only female Anopheles mosquitoes
198 What is improper for ringworm disease.
1 It is done by Trichophyton fungi
2 By constant itching the lesions get expanded
3 It is done by using infected persons comb
4 It is done by secretion of serotonin chemical.

Answer: It is done by secretion of serotonin chemical.
199 What is formed during Innate immunity ?
1 Body prepare Antibodies against antigen
2 Antibodies are present in body from birth
3 Prepare antibodies are introduced into body.
4 All of the given.

Answer: Antibodies are present in body from birth
200 Suddenly any person get rid of Alcohol or drug then which kind of deficincy accurs in that person
1 Visual Syndrome
2 Drowns syndrome
3 Turner syndnome
4 Cry-du-chat syndrome

Answer: Cry-du-chat syndrome
201 HIV decrease..
1 Helper T-Cells
2 All T-Cells
3 Only B-Cells
4 B-Cell & T-Cell

Answer: Helper T-Cells
202 Vaccination protects from disease, Because...
1 It helps in digestion
2 It produces antibodies
3 It increases the no. of RBCs
4 It maintains heat system of the body

Answer: It produces antibodies
203 Carcinoma refer to..
1 Malignant tumours of the connective tissue
2 Malignant tumours of the skin or mucous membrane
3 Malignant tumours of the colon
4 Begign tumours of the connective tissue

Answer: Malignant tumours of the connective tissue
204 By What antibodies are made ?
1 RBCs
2 Thrombocytes
3 Monocytes
4 Lymphocytes

Answer: Lymphocytes
205 Where memory cells are formed ?
1 Monocytes
2 Eosinophills
3 Neutrophills
4 Lymphocytes

Answer: Lymphocytes
206 Which is most infectious disease ?
1 Hepatitis
2 AIDS
3 Cough & Comman Cold
4 Malaria

Answer: Cough & Comman Cold
207 What is destroyed by HIV first of all ?
1 Leukocytes
2 Thrombocytes
3 Helper T-Lymphotyes
4 B-Lymphocytes

Answer: Helper T-Lymphotyes
208 Salmonella is related with...
1 Typhoid
2 Polio
3 Tetanus
4 TB

Answer: Typhoid
209 Incubation period for plasmodium falciparum is...
1 12 days
2 15 days
3 20 days
4 30 days

Answer: 12 days
210 ELISA is...
1 Enzyme linked immunoabsorbant assay
2 Enzyme linked ions assay
3 Enzyme linked inductive assay
4 None of the above

Answer: Enzyme linked immunoabsorbant assay

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