Here is a sample test for the topic of human welfare in Biology Class 11:

Section A: Multiple Choice Questions

1. Which of the following diseases is caused by a deficiency of vitamin D?
a) Scurvy
b) Rickets
c) Pellagra
d) Beriberi

2. Which of the following is a sexually transmitted disease?
a) Malaria
b) Tuberculosis
c) Cholera
d) Syphilis

3. Which of the following is an example of a non-communicable disease?
a) Influenza
b) Diabetes
c) Measles
d) Typhoid

4. Which of the following is not a method of contraception?
a) Condoms
b) Vasectomy
c) Tubectomy
d) Abstinence

5. Which of the following is not a vector-borne disease?
a) Dengue fever
b) Malaria
c) Chikungunya
d) Tuberculosis

Section B: Short Answer Questions

1. Explain the concept of immunization and its importance in human welfare.

2. Describe the process of artificial insemination and its applications in animal husbandry.

3. What is genetic engineering? Give an example of its application in the field of medicine.

4. Discuss the importance of sanitation and hygiene in preventing the spread of diseases.

Section C: Long Answer Questions

1. Explain the concept of biotechnology and its applications in improving human welfare.

2. Discuss the advantages and disadvantages of using chemical fertilizers in agriculture.

3. Describe the methods of contraception and discuss their effectiveness and ethical considerations.

4. Explain the role of NGOs (Non-Governmental Organizations) in promoting human welfare.

Note: This is just a sample test and the questions can be modified or added as per the requirements of your class and syllabus.

Yes ofcourse we need.....