A) Give two points of differences .
1. Metal and non-metal
2.Flora and fauna
3. Sperm and ovum
Answers
Answer:
Metals are sonorous, malleable, ductile and have smooth and shiny surface
while non metals don have these properties
Explanation:
Mark as brilliant
Answer:
1. Metals
1) Metals are generally malleable and ductile.
2)They are shiny and lustrous.
3)They are electropositive in nature.
Non-metals
1) Non metals are generally brittle and can break down into smaller pieces.
2) They are not shiny and are non lustrous except iodine.
3) They are electronegative in nature.
2. Flora
1) Flora includes all plants.
2) The study is flora is termed ‘Botany’.
3) Chloroplasts are present in flora, most of which are involved in food production or storage.
Examples : Flowering plants, grass, forest are some examples of flora.
Fauna
1) Fauna includes all animals.
2)The study of fauna is termed ‘Zoology’.
3)Chloroplasts are not present in fauna. They store their energy in the mitochondria.
Examples : Reptiles, birds, insects, and fishes are some examples of fauna.
3. Sperm
1) Sperm is the male gametes.
2) Smallest cell in the human body.
3)Present in very small amounts.
4)Contain X or Y chromosomes.
5) Produces in the testes.
6)One spermatogonium produces four sperms.
7)It is surrounded by Plasma membrane.
Ovum
1) Ovum is a female gametes.
2)Largest cell in the human body.
3)Present in very large amounts.
4) Contains only X chromosomes.
5)Produces in the ovaries.
6)One oogonium produces only one ovum
7)It is surrounded by egg envelopes