Stars Academy Eden Executive Faisalabad

Congratulations

Prof. Asif Masood

2nd year English

*....Biology 1st year*
Short questions,
Define Life, ,,,,, define biotechnology,..... define bioelements,,,,
Differntiate b/w micro and macro molecules.define Biome,,,
Phyletic lineage,.. diference b/w deductive and inductive reasoning,,,, define biological control.... define clone,,
Ch #2... what is heat capacity ,, structural formula of ribose and glucose,,, difference b/w mono and oligo saccrides, define amino acide and peptide bond,,,diference b/w fibrous and globular proteins,, defne conjugated molecules
Ch #3,, dfrence b/w prosthetic and coenzyme,, feed back mechanism,,,effect of substrate conc on rate orpf reaction,,
Diference b/w reversible and irreversible inhibitors,.
Difernce b/w competitive and non competitve inhibtors,,
Ch #4 work of rudolph and robert hook,,,. Magnification and resolution,, cell fractionation,, cell theory,,, diference primary and scondry wall,,,,, define cisternae and cristae,,.. difernce SER and RER,,,, dfne polysome,, difernce b4w forming and maturing face of golgi,, dfne storage disease and example,,, difernc b/w primary and secondary lysosome,,, difernce b/w chromoplasts and leukoplasts.. what is mjrien and sacculus,,,
Ch #5,,,define binomial nomenclature and its rules,,5 kingdom propsed by whittaker based on?,, work of magulis and shwrtz..
CAPSID AND capsomeres,, difernce b/w lytic and lysogenic cycle,, dfne prophage and induction,, what is reverse transcriptase,, HIV is host specific ,, how? Types of flagella,, dfrnce b/w slime and capsule,, didrnce b/w spores and cysts,,
Difernce b/w cysts and spores,,difrnce b/w photosynthesis and chemksynthesis.. difrnce b/w lag and log phase,, what are chemotherapeutic agents,, define immunization and vaccination,, economic importance of cyanobacteria,, dfine heterocysts, hormogonia and akinites,,
Ch #8,. Nuclear mitosis,,,, septate and non septate hyphae,,, what are houstoria ,, define mychorizhae and lichens,, dfne bioindicators.. adaptations of fungi,, define parasexuality.. dfne histoplasmosis and aflatoxins,,
Ch #9 alternation of generation,, bryophytes adaptations,, defne paraphysis and protonema.. anthoceropsida are advanced than other bryophytes why.?... tracheophyta features,, dfrnde micro and megaphyll,,, dfne planationa and webbing,,dfne reticulate vernation and circinate vernation,, what is capsule and annulus plus stomium,, homo and heterospory,, dfrnce b/w gymnospermae and angospermae,, what is double fertilization.
Dfrnce b/w mono and dicot.. economic importance of rosacae, fabacae and Bumbusa,,
Ch #10..difernce b/w
Radial and bilateral symmetry. Coelomate and acoelomate,
Dilplo and triploblastic animals,.. protostomes and deuterostomes.. spiral determinate and radial indeterminate..
Harmaphrodite and protanderous.cnidocytes and nematocyst. Sac like and tube like cavity.. polyp and meduasae..
Infestation and disinfestatiin,neohridia and flame cell
Polymorphism.. ecdysis or shedding,, harmful and beneficial insects,. Borrowing activity of earthworm. Dfne neohridia and flame cell ,, otia and osculm ,.. coral reefs.. adaptation parasitic mode of life,, dfne hemichordata and chor data,,. Mamals and its classes. Imporatnce of coral reef and chitin in arthropoda
*Part-1 Biology*
⚘⚘⚘

*Short Questions*

*UNIT-1*

Differentiate b/w population & community.
How does theory theory differ from law?
What is integrated disease management?
Differentiate b/w chemotherapy, radiotherapy & gene therapy.
What is hydroponic technique? Give its importance.
Write a note on vaccination.
Define biome with an example.
Define phyletic lineage & biodiversity.
Differentiate b/w deductive reasoning & inductive reasoning.

*UNIT 2*

Define biochemistry.
Give its importance.
Differentiate b/w glycosidic & peptide bond.
Define lipids.
Give two roles of waxes Differentiated b/w saturated & unsaturated fatty acid.
Give the structure of lecithin.

*UNIT 3*

What is the active site of an enzyme?
Differentiate b/w apoenzyme & holoenzyme.
What are cofactor & activator of enzyme?
How does an enzyme accelerate a metabolic reaction?
Write four characteristics of enzymes.
What is induced fit model? Who proposed this model?
How does high temperature affect enzyme activities?
What is the role of pH in enzyme action?
Give optimum pH values for any two enzyme actions?
What are enzyme inhibitors? Give two examples.
Differentiate b/w reversible & irreversible enzyme inhibitors.
Differentiate b/w competitive & non-competitive enzyme inhibitors?

*UNIT 4*

Write down salient features of cell theory.
Differentiate bw phagocytosis & pinocytosis.
Give chemical composition of primary & secondary cell wall.
Give three functions of smooth endoplasmic reticulum.
Define storage diseases with two examples.
What is location of centrioles in the cell & what is their role?
Differentiate b/w chromoplasts & leucoplasts.
Differentiate b/w cisternae & cristae.
What are peroxisome, polysome & ribosome?

*UNIT 5*

Define species & virology with examples.
Give biological classification of corn.
What is bionomial nomenclature?
What are two rules of nomenclature?
What are prions?
Differentiate b/w lytic phage & lysogenic phage.
Write down symtoms & prevention of hepatitis?

*UNIT 6*

Write four postulates of germ theory.
What are mesosomes?
Describe their function.
Write misuse of antibiotics.
What are trichomes?
Give the structure & function of Heterocysts?
What are super blue-green algae?
Give its importance.

*UNIT 7*

What are choanoflagellates?
What are tritonymphs?
Give their importance.
Write two characteristics of ciliates.
Differentiate b/w micronucleus & macronucleus.
Differentiate b/w foraminiferas & actinopods.
What are apicomplexans?
Give one example.
How algae differ from plants?
What are red tides?
Give structure & function of diatoms.
Also write three characteristics of diatoms.
What are kelps?
Name the parts of thaullus of a kelp.
Green algae are considered ancestral organism of green land plants, why?
What is chlorella?
Give its significance.
What is importance of algae?

*UNIT 8*

What are lichens?
Give their ecological importance.
Differentiate b/w karyogamy & plasmogamy.
Differentiate b/w rusts & smuts.
What is budding & para sexuality?
What are toad stools? Give example.
What is histoplasmosis? Give its causes.
Give scientific name of yeast used in genetic research.
Define hyphae. Give their two types.
What is mycorrhiza?
Give its importance What are dikaryotic hyphae? Give example

*UNIT 9*

Why bryophytes plants are called amphibious plants?
How spores of mosses differ from spores of liver worts?
What is alternation of generation?
Give its significance.
Why sphenopsida are called arthophytes?
Differentiate b/w microphylls & megaphylls.
Define double fertilization in angiosperms.
Give its importance.
Differentiate b/w monocot stem & dicot stem.

*UNIT 10*

Write the importance of sponges.
Define polymorphism with example.
Write down the importance of corals.
Differentiate b/w infestation & disinfestations.
Write names and uses of any two useful insects.
Define nymph & metamorphosis.
Give three characteristics of chordates.
Give the role of swim bladder in bony fishes.
Give two commercial importance of sharks.
Define regeneration & maderporite.
Write names and harms of any two harmful molluscus.
Differentiate b/w polyps & medusae.
Differentiate b/w coelmates & acoelomates.
Differentiate b/w diploblastia & triploblastic animals.

*UNIT 11*

Define bioenergetics
Differentiate bw photosynthesis & respiration.
Define photosynthesis with equation.
What is compensation point? Where it occurs?
Write down the molecular formula for chlorophyll “a” and b”.
What are necessary pigments in plants? Give their importance.
Differentiate b/w absorption & action spectrum.
Differentiate b/w photosystem and photosystem
What is Z-scheme? Why is it called so?
What is fermentation? Explain its types.

*UNIT 12*

Distinguish b/w nutrients & nutrition.
Write components & functions of saliva.
Name various types of the salivary gland in man.
Differentiate b/w peristalsis & anti-peristalsis.
How hunger pangs are caused?
What is heart burn or pyrosis?
Name types of cells present in gastric glands.
What prevents the wall of stomach from being digested?
How secretion is produced in man?
What is its effects on pancreas in man?
What is the role of liver in the digestion of food?

*UNIT 13*

Differentiate b/w organismic and cellular respiration?
How is air better respiratory medium than water?
What is photorespiration?
Name organelles involved in it.
Write the names of its products.
What is rubisco.
Write its importance.
Define respiratory surface.
Give three properties.
Differentiate b/w cutaneous & pulmonary respiration in frog.
What are counter current exchange and parabronchi?
Differentiate b/w diaphragm and pleura.
Name some respiratory disorder and explain one.
What is emphysema? Write its symptoms.
What is diving reflex?
What changes occur in animal during diving reflex.

*UNIT 14*

Differentiate b/w water potential & solute potential.
Differentiate b/w plasmolysis & deplasmolysis.
Differentiate b/w apoplast & symplast pathway.
Differentiate b/w single & double circuit heart.
What are blue babies?
What is brain hemorrhage?
Give its two preventive measures.

*Most Important Long Questions – Biology FSc 1st Year*

⚘⚘⚘
1. (a).How study of by biology helped mankind to improve production of food.
(b).Define cloning. Discuss its types & importance.
. (a).Describe the importance of water of life.
(b).Describe acylglycerols in detail.

3. (a).Describe primary & secondary structure of protein.
(b).Compare DNA and RNA. Explain different types of RNA.

4. (a).Write a note on Endoplasmic reticulum.
(b). What are plastids? Explain the structure & function of chloroplast

5. (a).Describe the structure and function of mitochondria.
(b).Differentiate b/w prokaryotic & eukaryotic cells.

6. (a).Describe life cycle of a bacteriophage.
(b).How HIV is transmitted? Give a sketch of infection cycle of HIV?

7. (a).Define hepatitis. Describe its symptoms, causes & types
(b).Describe different classes of bacteria on the basis of flagela.

8. (a). Discuss the process of nutrition in bacteria.
(b).Describe different physical & chemical methods to control bacteria.

9. (a).Write down characteristics of cyanobacteria.
(b).Explain taxonomic status of fungi.

10. (a).Discuss different methods of asexual reproduction in fungi.
(b).Write four economic gains & losses due to fungi.

11. (a). Give adaptations of fungi on land.
(b).Describe land adaptations of bryophytes.

12. (a). What is altermation of generation? Give its significance.
(b).How evolution of leaf took place?

13. (a).Enlist steps involved in evolution of seed.
(b).Describe in detail cyclic & non-cyclic phosphorylation.

14. (a).Draw and describe Calvin cycle in photosynthesis.
(b).What is glycolysis? Sketch its various steps.

15. (a).Draw sketch and explain Krebs cycle.
(b).Give digestion in cockroach.

16. (a).Describe digestion in oral cavity of man.
(b).Describe absorption of digested food in small intestine.

17. (a). Write a note on (i) Anorexia nervosa (ii) Bulimia nervosa (iii) Obesity
(b). Why transpiration is necessary evil?

18. (a).Explain various functions of human blood.
(b).Describe lymphatic system. Write its functions.
(C).Define immunity. Give its types.
......Goodluck.......

molecules.define

Math Guess Paper 1st YEAR
2024 insha Allah

_____________SHORT-QUESTIONS_____________
(Note : Questions Marked With * Are V.V.Important )

Chapter #1 :-
Important Definitions : (1)*Complex Number (2)Rational Number (3)Irrational Number
Important Examples : Ex #6(v)* (Pg #10)
Exercise 1.1 : Q #1(iii, iv)*, Q #4(i), Q #5*, Q #6(i)
Exercise 1.2 : Q #4(ii, iii), Q #5(iii), Q #11*, Q #14(iii)*, Q #15(ii)*, Q #16(i)
Exercise 1.3 : Q #2(i, iv*), Q #3(iii), Q #4, Q #5(ii,iv)*, Q #6(i*,ii)
_-_Theorems : (iii*, iv) (Pg #21)
_-_Associative Law Of Addition and Multiplication (Pg #6,7)
_-_Commutative Law Of Addition and Multiplication (Pg #6,7)

Chapter #2 :-
Important Definitions : (1)Equal and Equivalent Set (2)*Singleton Set and Null Set (3)Finite and Infinite Set (4)*Tautology and Absurdity (5)Onto Function and Bijective Function (6)Binary Operation (7)*Semi-Group and Monoid
Important Examples : Ex #4 (Pg #53)
Exercise 2.1 : Q #6, Q #9(ii)*
Exercise 2.2 : Q #4 (iv, v, vi)
Exercise 2.3 : Q #7 (iii)*
Exercise 2.4 : Q #1(iii)*, Q #2(ii)*, Q #3(ii), Q #4(iii)
Exercise 2.6 : Q #1(ii, iv*), Q #4(ii*, iii)
_-_Distributive Property Of Union over Intersection (Pg #42)
_-_Distributive Property Of Intersection over Union (Pg #42)
_-_De Morgan's Law (Pg #42)

Chapter #3 :-
Important Definitions : (1)*Rank of a Matrix (2)*Scalar Matrix and Unit Matrix (3)Symmetric Matrix (4)*Skew-Symmetric Matrix (5)Hermitian Matrix (6)Diagonal Matrix
Exercise 3.1 : Q #2, Q #3(i)*, Q #8*, Q #10
Exercise 3.2 : Q #2(iii)*, Q #4(ii), Q #6(i, iii)*
Exercise 3.3 : Q #1(ii)*, Q #2(ii), Q #3(ii, iv*), Q #5(i*, ii), Q #6(iii)*
Exercise 3.4 : Q #2(i*, ii), Q #4*, Q #6(i*, ii)

Chapter #4 :-
Important Definitions : (1)*Quadratic Equation (2)Exponential Equation (3)Reciprocal Equation (4)*Radical Equation
Important Examples : Ex #3* (Pg #144), Ex #3 (Pg #158)
Exercise 4.1 : Q #5*, Q #7, Q #11*, Q #17*, Q #20
Exercise 4.2 : Q #5*, Q #11, Q #14*, Q #16, Q #17*, Q #21
Exercise 4.4 : Q #1(iv)*, Q #2(ii, v*), Q #3(i)*, Q #6*, Q #8(i, iii*)
Exercise 4.5 : Q #2*, Q #5, Q #10*
Exercise 4.6 : Q #1(iv, vi*), Q #2*, Q #4, Q #7(iv*, vii)
Exercise 4.7 : Q #1(iii), Q #2(i)*, Q #3(i, ii)*
Exercise 4.8 : Q #2*

Chapter #5 :-
Important Definitions : (1)Rational Fraction (2)*Proper and Improper Rational Fraction
Important Examples : Ex #1* (Pg #184)
Exercise 5.1 : Q #1*, Q #2, Q #3*, Q #6
Exercise 5.2 : Q #1*, Q #3
Exercise 5.3 : Q #2*

Chapter #6 :-
Important Examples : Ex #2 (Pg #193)
Exercise 6.1 : Q #1(vii), Q #3(iii)*
Exercise 6.2 : Q #2*, Q #4, Q #6*, Q #9*, Q #13*, Q #14
Exercise 6.3 : Q #1(iii)*, Q #2*, Q #6
Exercise 6.4 : Q #3(i)*, Q #6, Q #7, Q #14*, Q #17, Q #18*
Exercise 6.6 : Q #3*, Q #9*, Q #10*, Q #11,
Exercise 6.7 : Q #1(ii), Q #2(i)*, Q #7*, Q #8
Exercise 6.8 : Q #2(i)*, Q #4*, Q #9, Q #14
Exercise 6.10 : Q #1(i), Q #4(iii)*, Q #7*, Q #11*, Q #13(iii), Q #16*
Exercise 6.11 : Q #4*, Q #12*, Q #16(ii)*

Chapter #7 :-
Important Definitions : (1)Permutation (2)*Circular Permutation (3)Probability
Important Examples : Ex #1,2* (Pg #234), Ex #1 (Pg #237), Ex #3* (Pg #238), Ex #2 (Pg #250)
Exercise 7.1 : Q #1(x)*, Q #2(v, viii*, ix)
Exercise 7.2 : Q #2(ii, iii*), Q #3(i)*, Q #4*, Q #6(i), Q #14
Exercise 7.3 : Q #1(i, ii, iv*), Q #4*, Q #11*, Q #12
Exercise 7.4 : Q #2(iii)*, Q #4[(For a : i*, ii) (For b : i*, iii*)], Q #5, Q #8*
Exercise 7.5 : Q #2*, Q #5(i)
Exercise 7.7 : Q #1*, Q #4, Q #5*
Exercise 7.8 : Q #9*
_-_Prove that : nPn = n!

Chapter #8 :-
Important Examples : Ex #3(ii)* (Pg #269)
Exercise 8.2 : Q #1(iv), Q #2(i, ii*), Q #6(i)* , Q #10(i)
Exercise 8.3 : Q #1(i*, ii, v), Q #2(i, v*), Q #4(i)*, Q #6*
_-_Write down expression of binomial theorem

Chapter #9 :-
Important Definitions : (1)*Radian (2)*Quadrantel Angle
Exercise 9.1 : Q #1(x, xiii), Q #3, Q #5(ii), Q #6(i)*, Q #9*
Exercise 9.2 : Q #5*, Q #6
Exercise 9.3 : Q #1(ii*, iii), Q #2(ii)*, Q #3[ (For a : iii) (For b : ii)*]
Exercise 9.4 : Q #5*, Q #9*, Q #12, Q #14, Q #20*

Chapter #10 :-
Important Examples : Ex #2(ii) (Pg #320), Ex #3* (Pg #323), Ex #3 (Pg #335)
Exercise 10.1 : Q #2(ii)*, Q #3(i), Q #5(ii*,iv)
Exercise 10.2 : Q #1(v*,vii), Q #2(iii), Q #4(ii, v), Q #5*
Exercise 10.3 : Q #1(i), Q #3*, Q #4, Q #10*
Exercise 10.4 : Q #1(v, vii*), Q #2(ii, iv*, vi), Q #3(i)

Chapter #11 :-
Important Definitions : (1)* Period
Exercise 11.1 : Q #3, Q #4, Q #8*, Q #11*, Q #13, Q #15*
Find Domain and Range Of : (1)*y=sec x (2)*y=tan x (3)y=cos x (4)*y=cosec x

Chapter #12 :-
Important Definitions : (1)*Angle of Elevation (2)*Angle of Depression (3)Oblique Triangle
Important Examples : Ex #1 (Pg #375)*, Ex #1(i) (Pg #381)
Exercise 12.2 : Q #7
Exercise 12.3 : Q #3*, Q #6
Exercise 12.4 : Q #4
Exercise 12.5 : Q #11*
Exercise 12.6 : Q #7, Q #8*
Exercise 12.7 : Q #3(i)*, Q #4
Exercise 12.8 : Q #5(ii), Q #12(i)

Chapter #13 :-
Important Examples : Ex #1(ii)* (Pg #388), Ex #4 (Pg #396), Ex #2(i, ii) (Pg #390)
Exercise 13.1 : Q #1(iv)*, Q #2(i*, iii), Q #3(vii)*
Exercise 13.2 : Q #2*, Q #20

Chapter #14 :-
Important Definitions : (1)*Trigonometric Equation
Important Examples : Ex #1* (Pg #401), Ex #3 (Pg #402), Ex #1 (Pg #403), Ex #2* (Pg #403), Ex #3* (Pg #404)
Exercise 14 : Q #1(iii)*, Q #2(iii)*, Q #16

_____________LONG-QUESTIONS______________
(Note : Questions Marked With * Are V.V.Important )

Examples : Ex #15* (Pg #75)
Exercise 2.3 : Q #3
Exercise 2.4 : Q #5
Exercise 2.5 : Q #1, Q #4*
Exercise 2.8 : Q #5*, Q #6

Exercise 3.2 : Q #9(i)
Exercise 3.3 : Q #3(iii*,xi), Q #4(i)*, Q #8*, Q #15
Exercise 3.4 : Q #8
Exercise 3.5 : Q #2(i)*

Examples : Ex #5* (Pg #146)
Exercise 4.2 : Q #15, Q #20*, Q #24
Exercise 4.3 : Q #6, Q #9
Exercise 4.4 : Q #3(iii)*
Exercise 4.5 : Q #14
Exercise 4.6 : Q #3(ii)*, Q #6, Q #8*
Exercise 4.7 : Q #4(ii), Q #6*, Q #7
Exercise 4.8 : Q #5*
Exercise 4.9 : Q #8, Q #9

Examples : Ex #1 (Pg #188)
Exercise 5.1 : Q #5
Exercise 5.2 : Q #2*, Q #4*, Q #5
Exercise 5.3 : Q #3*, Q #9

Exercise 6.3 : Q #7, Q #8*
Exercise 6.4 : Q #4(i)*, Q #15
Exercise 6.6 : Q #12*
Exercise 6.7 : Q #4, Q #6*
Exercise 6.8 : Q #14
Exercise 6.10 : Q #9*, Q #18*

Examples : Ex #3 (Pg #241)
Exercise 7.2 : Q #3(ii)
Exercise 7.3 : Q #5*
Exercise 7.4 : Q #3(ii)*, Q #10

Exercise 8.1 : Q #12
Exercise 8.2 : Q #6(ii)*
Exercise 8.3 : Q #4(v)*, Q #7, Q #9(iii)*, Q #10*, Q #11

Exercise 9.2 : Q #8*
Exercise 9.3 : Q #5(iii), Q #6(viii)*
Exercise 9.4 : Q #24

Examples : Ex #3* (Pg #331), Ex #2 (Pg #322), Ex #4 (Pg #324)
Exercise 10.2 : Q #9(iv,v)*, Q #11, Q #13*, Q #14(ii),
Exercise 10.3 : Q #14*

Exercise 12.8 : Q #3(i)*, Q #8(i)*, Q #9(i), Q #11

Exercise 13.2 : Q #1*, Q #9, Q #11, Q #12
Prove : 1* (Pg #398)

v.v.important

Guess 1st Year Math
Example #2 (Page #2),
Ex #1.2 (Q #14[i], 16[ii], [iii]),
Example #2 (page #24),
Ex # 1.3 (Q # 6, 7),
Ex # 2.2 (Q # 6),
De Morgan’s Laws,
Ex #2.3 (Q # 9[i], [iv]),
Example #4 (page #53),
Ex # 2.4 (Q #5),
Ex # 2.5 (Q #4),
Example #6 (page #66),
Example #5 (page #75)
Ex # 2.8 (Q #10),
Ex #3.1 (Q. 5, 14),
Ex # 3.2 (Q. 6[i], 7, 8[ii]
Ex # 3.3 (Q. 3[iii], [iv], [xi], Q #5[i],
iii], [v], [vii], Q. 8, Q. 9,
Q. 11[i], Q. 15, Q. 17),
Ex # 3.4 (Q. 10

*1st year Physics" Shortcut FORMULA"*

⭕First of all prepare chapter 2 and 4
✔️Chp 2 sy 1 long ques,2 mcqs r 3 Short ques ay gy & Chp 4 sy numerical, 3 short ques r 1 mcq
🛑Marks
short ques:6+6=12
Theory+numerical:5+3=8
Mcqs:2+1=3
Total marks:12+8+3=23

⭕2nd nmbr py Chapter 3 or 5 krna hai
✔️chp 3 sy 1 long ques,4 short ques r 2 mcqs & Chp 5 sy 1 numerical, 3 short ques r 2 mcqs ayn gy
🛑Marks
Short ques:8+6=14
Long+theory:5+3=8
Mcqs:2+2=4
Total marks
14+8+4=26
⭕3rd nmbr py Chapter 9 or 10 krna hai
✔️Ch 9 sy 1long ques,3 short ques r 1 mcqs & Chp 10 sy 1 numerical,1 mcqs r 2 short ques ayn gy
🛑Marks
Short ques:6+4=10
Long+theory:5+3=8
Mcqs:1+1=2
Total marks:10+8+2=20
📌Note:*Totals marks* from these 6 chps will be 23+26+20=69

1st Year

No1
Define radian and steradian? 2) Differentiate between random and systematic error? 3) Find the dimension of ŋ used in equation F= 6πŋrv.? 4) Write down the dimension of Pressure and density? 5) Find out the dimension and unit of G used in equation F=G m_(1m_2 )/r^2 6) Show that E=mc2 dimensionally correct? 7) The period of simple pendulum is measured by stop watch .what type of errors are possible in the time period? 8) Why do we find it useful to have two units for the amount of the substance kilogram and mole? 9) Give draws backs to use the period of simple pendulum as time standard? 10) How many meters is a light year? 11) How many second in a year and how many years in nano second?
No. 2
1) Two vectors have unequal magnitude can their sum be equal to zero? 2) Can a vector have component greater than vector magnitude? 3) Can a body rotate about its center of gravity under the action of its weight? 4) If one of the rectangular components of the vector is not zero, can its magnitude by zero, explain? 5) Name Three condition which makes →┬A X →┬A =0? 6) Can you add zero to null vector? 7) If →┬A +→┬B =→┬0what can you say about its components? 8) Define position vector and Unit vector?
No.3
1) Show that the rate of change of momentum is equal to force? 2) Derive expression for the range of projectile? 3) Can the velocity of an object reverse the direction when acceleration is constant? If so give an example? 4) An object is thrown vertically upward .Discuss the sign of acceleration due to gravity, relative to velocity, while the object is in air? 5) Explain the circumstance when A) a and v are parallel B) v is zero but a is not zero? 6) Differentiate between elastic and inelastic collision?
No.4
1) Calculate work done in kilo joule in lifting a mass of 10kg through a vertical height of 10m? 2) When rocket reenter the atmosphere, its nose cone become very hot? Why 3) A girl drop a cup from a certain height which breaks in to pieces. What energy changes are involved? 4) A boy use catapult to throw stone which accidently smashes a green hose window .What energy changes are involved? 5) Show that 1kWh = 3.6 x106J.
No5
1) what is centripetal force give its significance? 2) Define moment of inertia give its significance? 3) Why does diver change his body position before diving in the pool? 4) Differentiate between Tangential and angular velocity? 5) Describe what should be the minimum velocity for a satellite to orbit close to the earth around it? 6) When Mud flies off the tyre of moving bicycle, in what direction does it fly. Explain?
N0.6
1) Define Viscosity? 2) Why fog droplets appear to be suspended in air? 3) Differentiate between Streamline and turbulent flow? 4) A person is standing near a fast moving trains is there any danger the he will fall toward it? 5) Explain the working of carburetor? 6) How swing is produced in a fast moving cricket ball?
no 7
1) Write down the characteristics of S.H.M? 2) Can we realize an ideal Simple Pendulum? 3) What happens to the period of a simple pendulum if its length is doubled? And if it’s mass doubled? 4) What is meant by Phase Angle? 5) Describe some common Phenomena in which resonance plays an important role? 6) Does frequency depends up on amplitude for harmonic oscillator?
no 8
1) Explain why sound travels faster in warm air than in cold air? 2) Explain term node antinode, crest, Trough? 3) How are beats are useful in tuning musical instruments? 4) As result of distant explosion an observer senses a ground tremor and then heat the explosions. Explain the time difference? 5) What is the effect of variation of density on the speed of sound in a gas? 6) What are common features in longitudinal and transvers wave? 7) Why does sound travel faster in solid as compared to gasses?
no 9
1) Under what conditions two sources of light behave as coherent? 2) Can visbibel light produce Interference fringes? Explain? 3) An oil film spread over a wet footpath shows colours. Explain How does it happen? 4) How would distinguish between Un-polarized and plane polarized light? 5) Why Sun glasses are better than ordinary sun glasses?

NO 11
1) Does entropy of a system increase or decrease due to friction explain? 2) why the average velocity of the molecule in a gas zero but average of square of velocity is not? 3) Is It possible to convert internal energy into mechanical energy? Explain with example? 4) State 1st law of thermodynamic? How it is applicable to human body? 5) Write four postulate of kinetic theory of gases? 6) A thermo flask containing milk as a system is shaken rapidly. Does the temperature of
milk rise? 7) Can mechanical energy be converted completely in to heat energy? If so give example? 8) Prove that CP-CV=R

molecules.define