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Question # 1: Define Biology.
Answer: Biology is defined as the "study of life".
The word "biology" has been derived from two Greek words "bios" meaning life and "logos" meaning 'thoughts or reasoning' .
Question # 2: Define Molecular Biology.
Answer: Molecular biology (biochemistry) deals with the study of molecules of life;
For example water, proteins, carbohydrates, etc.
Question # 3: what are parasites? give an example.
Answer: Parasites are the organism that takes food and shelter from living hosts and in return harms them.
FOR EXAMPLE Lice, tapeworm
Question # 4: Define Biotechnology in terms of careers in biology.
Answer: It is the latest profession in the field of biology. Biotechnologists study and works for the production of useful products through microorganisms.
FOR EXAMPLE Synthetic insulin.
Question # 5: Write the names of the famous books by Abdul Malik Asami.
Answer: The famous books of Abdul Malik Asmai are as following.
1: "Al-Abil (camel)"
2: "Al-Khail (horse)"
3: "Al-Wahoosh (animals)"
4: "Kalq al-Ansan"
Question # 6: Write the names of bioelements that make 99% of the total mass of the body?
Answer: Following are the bioelements that make 99% of the total mass of the body.
Oxygen, Carbon, Hydrogen, Nitrogen, Calcium, Phosphorus
Question # 7: What are macro and micro molecules? give an example of each.
Answer: Micromolecules; are the molecules with low molecular weights.
FOR EXAMPLE glucose, water
Macromolecules are molecules with high molecular weight.
FOR EXAMPLE starch, proteins
Question # 8: Define Species.
Answer: A species is defined as a group of organisms capable of interbreeding and producing fertile offsprings.
FOR EXAMPLE Cat-Felis catus.
Question # 9: Define Habitat.
Answer: Habitat means the areas of environment in witch organism lives. A habitat is a place where an organism makes its home. A habitat meets all the environmental conditions an organism needs to survive
FOR EXAMPLE desert, forest.
Question # 10: What is the Biosphere level?
Answer: The part of earth inhabited by organism communities is known as the biosphere. It constitutes all ecosystems and is also called the zone of life on earth.
Question # 11: Define the ecosystem.
Answer: The areas where living organism interacts with the non-living components of environment is known as an ecosystem.
FOR EXAMPLE aquatic ecosystem.
Question # 12: Write the names of five major groups of organisms.
Answer: The following are the five major groups of organisms.
1:Prokaryotes
2:Protists
3:Fungi
4:Plants
5:Animals
Question # 13: Write the names of any five unicellular organisms.
Answer: The following are the names of five unicellular organisms.
1: Amoeba
2: Paramecium
3: Euglena
4: Bacteria
5: Protozoa
Question # 14: Write the scientific names of the Frog and Mustard plant.
Answer: The scientific name of the frog is "Rana tigrina" and the scientific name of the mustard plant is "Brassica campestris".
Question # 15: What are the reproductive and vegetative parts of plants?
Answer: Vegetative parts: Roots, Shoots, and Stem
Reproductive part: Flower
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