1. Define classification.
2.Classify the organism shown in the picture and write down their features (any two). of duck
3. Write three features of mammals.
4. The science of naming and classifying organisms is
binomial nomenclature
genus
species
taxonomy
5. Homo sapiens is the scientific name of human beings. Identify the genus and species from the scientific name.
Homo- species; sapiens-genus
Sapiens-species; homo-subspecies
Homo-genus; sapiens-species
None of the above
6. name a creature that is classified as mammal, which can speak, give birth to its young ones and walk on two legs.
7. Differentiate between reptiles and mammals.(any 3 points each)
8. Out of the following microorganisms, which one cannot be considered 'alive'
bacteria
virus
fungi
algae
9. Write two uses of bacteria.
10. Distinguish between a prokaryotic cell and a eukaryotic cell with one example each.
11. Name three microorganisms which are helpful to humans.
12. What is the state of matter that has a definite volume but no definite shape?
solid
liquid
plasma
gas
13. The process in which a solid gets converted into gas without changing into liquid is called
condensation
evaporation
freezing
sublimation
14. Differentiate between elements and compounds with one example for each
15. List two processes involved in interconversion of states of matter.
16. What are the molecular arrangements in solids, liquids and gases?
17. Explain the properties of solids with two examples.
If anyone gets this all answers correct i will mark them brainliest
Answers
Answer:
17. 1) A solid has a definite shape and volume. 2) Solids in general have higher density. 3) In solids, intermolecular forces are strong. ... 5) Solids have high melting points.
Answer:
1)Classification means arranging or sorting objects into groups on the basis of a common property that they have. ... For example, you can classify the apples in one category, the bananas in another, and so on.
2) I can't help you in this question because I unable to see the picture so I can't
3) three features of mammals: 1)the presence of hair in their bodies,2) three middle ear bones, 3)and mammary glands.
8) bacteria
9)two uses of bacteria are:- 1)Nitrogen fixing bacteria help in nitrogen fixation that helps in maintaining fertility of soil.
2)Bacteria help in treating sewage and producing biogas from waste.
10) prokaryotic:-1) it is found in bacteria and cyanobacteria. 2) ribosomes are smaller as compared to eukaryotic ribosomes.3) membrane bound organelles like mitochondria,golgi complex, plastids are absent.
eukaryotic :- 1) it is found in all living organism and all plant and animal. 2) ribosomes are bigger. 3) membrane bounded cell organelles like mitochondria, lysosome,golgi complex are present.
11)Streptomyces, Rhizobium and bacteria
12) liquid
13) sublimation
it's enough yr....