a) Science Knowledge grows on the basis of either human curiosity or human need. Describe this statement with the help of two illustrations.
b) What are the factors which led to the decline of the Bronze-age civilization?
a) What is revolutionary regarding the Copernican Revolution? describe our present understanding of the physical structure of the universe.
b) describe two main ways of exploring the universe. List out two kinds of information that each of them has given about the universe.
a) Describe the method of radio-carbon dating to find out the age of plant and animal fossils.
b) Construct a food web with a minimum of 25 links, man being one of them.
a) Briefly describe the use of remote sensing methods for exploration of any two types of natural resources.
b) Describe the concept of recycling in the conservation of resources.
a) describe the reasons which make livestock essential to a society.
b) List out infectious and no-infectious diseases that have been prevalent for the last one year in your area. Propose measures which could have been taken by public and government to prevent them (you might inquire from doctors).
a) Describe the difference between cognitive learning and conditioned learning (stimulus and response learning) by using illustrations from your own experiences.
b) What do you mean by the term hormones? How are they vital for the proper functioning of the body?
a) Describe, how communication can bring regarding advancement in any society.
b) Name any two advanced technologies in the field of communication and describe one main contribution of each of them.
a) Describe the merits and demerits of India’s nuclear energy program.
b) Choose any two of the modern technologies. State at least 2 potential (or actual) applications of such technologies in your local surrounding.
a) What are the problems a country might encounter when it decides to import the technology developed in the other nation?
b) Science and technology can be more directly influenced by the general policies and social structure of a society. describe this statement with appropriate exs.
problem 10: prepare short notes on the given terms:
a) Lead time.
b) Artificial intelligence.
d) Neutron stars.