KENDRIYA VIDYALAYA NO. 1 AFS, JAMNAGAR
HOLIDAY HOMEWORK
SUBJECT : SOCIAL SCIENCE
CLASS : IX CHAPTER 5 – WORKING OF INSTITUTIONS
Answer the following Questions
1. Write about the process of appointment and removal of a judge of supreme court.
2. Which house of the parliament is more powerful in India and why? give any four reasons.
3. What is the powers of the Prime Minister? Describe any three.
4. How can you say that the President occupies the position of a nominal head of the state?
5. Write the powers of the Prime Minister?
6. Explain the difference between political executive and permanent executive.
7. In what ways does the parliament exercise political authority? Explain.
8. Explain any four constitutional provisions for making judiciary independent.
9. State the powers of the supreme court?
10. Why is the prime minister the most powerful man in the government? Explain.
11. Write two ways in which it can be proved that the president does not have any real powers. What can the president really do on his/her own?
विषय : हिन्दी
कक्षा-नौवीं अवकाशकालीन गृहकार्य
1. बिजली विभाग के अधिकारी को बिजली के अधिक बिल आने की शिकायत करते हुए पत्र लिखिए।
2. गत कुछ दिनों से आपके मुहल्ले में अपराध बढने लगे हैं। उनकी रोकथाम के लिए थानाध्यक्ष को पत्र लिखिए।
3. निबंध- कम्प्युटर हानिया लाभ,
Science Holiday homework of class IX
Chapter 1
1) (a) Why naphthalene disappear with time without living any solid.
(B) Why we get smell of perfume sitting several meters away.
2) Define latent heat fusion.
3) Why is ice at zero degree more effective
in cooling than water at same temperature?
4) Convert into degree celsius.
(a)187K (b) 373K
Chapter 2
1) Write any three differences between mixture and compound?
2) Differentiate between metals and non metals? (only three points)
3) how will you seperate the mixture of salt and ammonium chloride?
4) name the technique to seperate
a) butter to curd
b) salt from sea water
c) dyes from ink
Chapter 3
(1) Define law of conversation of mass.
(2)Define law of definite proportion.
(3)Derive the formula of.
(a) hydrogen sulphide
(b) carbon tetrachloride.
(c) magnesium chloride.
(4) Calculate the number of mole in
(a) 64g of helium.
(b) 12.004x1023number of helium atom.
Chapter 4
1) Describe Bohr's model of an atom with the help of diagram ?
2) Diffrentiate between isotopes and isobars .[ 3 points]
3) Find the average atomic mass of cholrine atom if it is present in nature in two isotopic from with mass 35u and 37 u in ratio 3:1 ?
4) Draw atomic structure of Na and Na+.
Chapter 5
1) Diffrentiate between prokaryotic and eukaryotic cell?
2) Diffrentiate between plant and animal cell with the help of diagram?
3) Name any two organelles that contain their own genetic material?
4) Why is mitochondria called powerhouse of a cell ?
Chapter 6
1) Differentiate between straited ,unstraited and cardiac muscle fibre with the help of diagram .
2) Write all the elements of xylem and phloem .
3) Name the following tissue :-
[a] Which form inner ligning of our mouth
[b] That connect muscles to bone in human
[c] Which store fat in our body
[d] Connective tissue with a fluid matrix.
4) Draw a well labelled diagram of neuron .
Chapter 7
1) Write three characters of vertebrates.
2) Diffentiate between gymnosperms and angiosperms.
3) How are monocots different from dicots?
4) To which group these organisms belong:-
a) sparrowb) Batc) Lizardd) Frog
e) Earthwormf) Cockroachg) Tape wormh) Hydra
Chapter 8
1. Diffrentiate between scaler and vector quantity?
2. Derive graphycally s=u t+1/2 at^2
3. A train starting from rest attains a velocity of 72km/h in 5 minutes. assuming that the acceleraton is uniform, find
(a)the acceleration.
(b)the distance travelled by the train for attaining tis velocity.
4. what does the odometre and speedometre of an automobiles measure.
Chapter 9
1. Define Newton first and third law of motion.
2. Why do Cricketers pulls his hand backward with moving ball while catching.
3. When a carpet is beaten with a stick, dust comes out of it. Why?
4. Define conservation of momentum law?
Chapter 10
1. Differntiate between mass and weight?
2. Why do some object float or sink? Explain?
3. Define Archimedes principle with 2 applications?
4. The volume of 50 gm of a substance is 20cm3. If the density of water is 1g/?cm3.Will the substance floats or sink?
Chapter 11
Q1) What is work? what are the two condition needed for it?
Q2) Define kinetic energy and derived its expression?
Q3) Define potential energy along with its derivation?
Q4) what is power? define 1 Watt?
Chapter 12
1) What is SONAR ? Explain its working?
2) Why are ceiling of concert hall curved ?
3) What is the audible range for average human being ?
4) How is ultrasound used to detect the crack in metal blocks ?
Chapter 15
Q1) Write three difference between use manure and fertiliser?
Q2) What are macro and micro nutrients?Write 2 example each?
Q3) What is apiculture name any two varities of weeds?
Q4) What are the advantage of intercropping and crop rotation?
1