Class 9th, Grade ix Ssc part-1 Solved Exercises, Solutions in PDF Format for Class 9 (IX) Chapter no 2 Solving A Biological Problem Pdf Downloads all KPK Boards Short questions, long questions, mcqs, and chapter overview.
9th class biology notes pdf free download cha 2 A Biological Problem
Q1: What is science? How does science work?
Ans: Science:
Meaning:
The word science is derived from the Latin word “Scientia” meaning knowledge.
Definition:
The knowledge which is based on observation and experiment is called science.
Scientific method:
A systematic method uses to solve a problem with the help of observation, information and experimentation is called the scientific method.
Science work:
In science, first observation is done and then after observation experiment in conducted to check the reality of the observation.
Q2: What is the Biological method? Give its importance.
Ans: Biological method:
Meaning:
The scientific method, in which biological problems are solved is termed a biological method.
Importance:
It has played a very important role in biological research for the last 500 years. It has contributed a lot to the progress of biology and up to the current Advancement in all the biological fields such as medicine, ecology, technology, etc.
Steps of Biological method:
For solving biological problems, biologists take the following steps.
Step (1): Recognition of biological problem:
Biologists go for adopting biological methods when they encounter some biological problem. A
biological problem is a question related to living organisms. It is either asked by someone or comes
in the biologist mind by himself.
Step (2): Observation and previous research:
