CBSE Class 11 PSA Biology Sample Paper Set B

Read and download PDF of CBSE Class 11 PSA Biology Sample Paper Set B designed as per the latest curriculum and examination pattern for Class 11 issued by CBSE, NCERT and KVS. The latest Class 11 PSA Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in PSA Standard 11 which they need to study more to get better marks in Grade 11 exams. After solving these guess papers also refer to solved Class 11 PSA Question Papers available on our website to build strong understanding of the subject

PSA Sample Paper Class 11

Students can refer to the below Class 11 PSA Sample Paper designed to help students understand the pattern of questions that will be asked in Grade 11 exams. Please download CBSE Class 11 PSA Biology Sample Paper Set B

PSA Class 11 Sample Paper

CBSE Class 11 PSA Biology Sample Paper Set B. It’s always recommended to practice as many sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers.
 
 

We are all aware of certain remarkable discoveries in the medical sciences. For instance, we know about the discovery of vaccines. We can appreciate the prevention of such diseases as small pox and polio. We also know about many common antibiotics. The knowledge that we can control the spread of syphilis with penicillin and tuberculosis with isoniazid is somewhat comforting. We could in fact, become lulled into the belief that infectious diseases no longer pose a threat. This of course, is not true, and recent reports in newspapers and medical journals remind us of the various and sometimes new threat of infectious diseases.

Such reports admit to a more realistic view. This view implies that infectious diseases are here to stay and that they pose certain abilities to fight against our attempt to destroy them. Certain human pathogens such as genorrhoeae, for example have developed strains resistance to certain antibiotics.

Read the passage carefully and answer the questions:


1. Prevention of diseases like small pox and polio has been possible because of the discovery of

a) Penicillin

b) Isoniazid

c) Vaccines

d) Antibiotics

 

2. What has not been possible so far through the discoveries in the medical sciences?

a) Prevention of small pox and polio

b) Possibility of controlling the spread of syphilis with penicillin

c) Eradication of infectious diseases

d) Possibility of controlling the spread of tuberculosis with isoniazid

 

3. How do some of the infectious diseases fight against our efforts to destroy them?

a) By shifting to other areas

b) By developing resistance to vaccines

c) By remaining as elusive as before

d) By getting deeper into the human system

 


Please click the link below to download CBSE Class 11 PSA Biology Sample Paper Set B

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