Question 1
Question: What is the necessity of classification of organisms?
Answer: Organic evolution has been taking place for 3.5 billion years. It is impossible to study every living organism from an individual level. Therefore, classification is necessary to facilitate easy study of organisms.
Question 2
Question: Give an example to illustrate how taxonomy is used in biological sciences.
Answer: The science of biogeography (geographical distribution of plant and animals) is dependent on information supplied by classification.
Question 3
Question: What is 'Binomial Nomenclature'?
Answer: The kind of naming in which each name has two components is called Binomial Nomenclature.
Question 4
Question: What is the scientific name for human beings? (Seperate the components)
Answer: Homo sapiens.
Homo - generic name
sapiens - specific name (species name).
Question 5
Question: Give two common features of plants.
Answer:
- They are stationary
- They trap the sun's energy to make food.
Question 6
Question: Name two kingdom systems.
Answer:
- Plant kingdom
- Animal kingdom
Question 7
Question: Explain the name of cryptogamae.
Answer: Crypto - hidden
Gamous - marriage
These plants do not have external flowers or seeds and hence, are considered to have hidden reproductive organs.
Question 8
Question: Give some example of class amphibia.
Answer: Rana (frog), Bufo (toad), Hyla (tree frog) and Necturus are some examples of class amphibia.
Question 9
Question: Why are fungi called heterotrophic?
Answer: Fungi are non-green. They obtain their food either from organic matter or from other living organisms. Hence, they are heterotrophic.
Question 10
Question: To which category do ferns belong?
Answer: In the plant kingdom, ferns fall under the division pteridophyta of the sub-kingdom crypotogamae. That is
