KENDRIYA VIDYALAYA NO 1 AHMEDNAGAR
CLASS TEST SUB-SCENCE CLASS 9 TIME 1 30 Hrs Total Marks-40
Q1 VERY SHORT ANSWER QUESTIONS
12*6-12)
a)Write any two differences between mixture and compound
b)Write any two differences between prokaryotic and eukaryotic cell
c) Wite any two differences between plant and animal cell
dj Wece any two differences between distance and displacement
eDraw a distance and time graph for uniform and non uniform motion
nwrite any two differences between infectious and non infectious diseases
02 SHORT ANSWER TYPE QUESTIONS
36-18)
What is health? Write any two conditions necessary for good health
b) with the help of a diagram explain separation of ammonium chloride and salt
Name the technique to separate a butter from curd bisalt from sea water c) camphor from salt
d) Draw a plant cell and show cell wall cytoplasm nucleus plastids vacuoles.ribosomes golg complex
elsolve the equation of motion v-urat by wraphical method
1) A racing car has a uniform acceleration of 4 m/s What distance will it cover in 10 seconds after the
start?
Answers
Answer:
1. Compounds are composed of two or more elements combined in a fixed proportion 2. Properties of a compound are different from the element it contains
1. Mixtures are constituted by one or more substance without any fixed proportion. 2. Mixtures retain the properties of the individual substances
b. Eukaryotic cells contain membrane-bound organelles, including a nucleus. Eukaryotes can be single-celled or multi-celled, such as you, me, plants, fungi, and insects. Bacteria are an example of prokaryotes. Prokaryotic cells do not contain a nucleus or any other membrane-bound organelle
c. Major structural differences between a plant and an animal cell include: Plant cells have a cell wall, but animals cells do not. Chloroplasts enable plants to perform photosynthesis to make food. Plant cells usually have one or more large vacuole(s), while animal cells have smaller vacuoles, if any are present.
d. Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion. Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.
e. Sorry i cant answer that
Short answer type
a. There are many conditions essential for good health which are: Balanced diet, Exercise, Social and economic well-being, Leading stress free life, better surroundings or environment. We will talk about proper nutrition or balanced diet and social and physical well - being.
b. A mixture of ammonium chloride and common salt can be separated using sublimation. On heating the mixture, ammonium chloride changes into white vapours. These vapours rise up and get converted into solid ammonium chloride on coming in contact with the cold, inner walls of the funnel.
c. sublimation
d.
1.200 meters