www.pallikalvi.in TamilNadu : 10th Std / SSLC Science Model Question Paper

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MODEL QUESTION PAPER
X STANDARD – SCIENCE
Time: 2.30.Hrs Marks:75
Section – A
I .Answer all questions 15 x 1 =15
1.A fruit develops from a single flower with multicarpellary, apocarpous, superior ovary is (Aggregate fruit, composite fruit, simple fruit, multiple fruit)
2.Which of the following constitute a food chain { (Grass, Wheat, Mango), (Grass, goat and Human),(Goat, cow and elephant),(Grass, fish and goat)}
3.Somatic genetheraphy does ( affect the sperm, affect the egg, affect the progency, affect body cell)

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4.Pick out the bacterial disease( Meningities, Rabies, Tetanus, Small pox)
5.Mammal’s main excretory product is (Ammonia, Uric acid, Urea, Sodium)
6.When sunlight passes through the window of your house, the dust particles scatter the light making the path of the light visible. This phenomenon is called as (Brownian motion , tyndall effect, Raman Effect , uniform motion)
7.2KClO3 ---------2KCl + 3O2 In this chemical reaction MnO2 acts as
(reactant, product , catalyst, promoter)
8.Number of groups in modern periodic table is --------------- (7,17,18,8)
9.An amalgam is an alloy of metal with ( carbon, mercury, hydrogen, gold)
10.The saturated hydrocarbons form homologous series with the general formula CnH2n+2. The formula of the second member in this series is (C2H2, C2H6,C2H4,C2H8)
11.Light year is the unit of …………………. (time, light intensity, distance, mass)
12.Mass of an object in 10 Kg. What is its weight on the earth (w=mg, g=9.8m/s2 ) (49 N, 25 N, 98 N, 100 N)
13. Four cells each of emf “E” are joined in parallel to form a battery. The equivalent emf of the battery will be ………………………(4E, E, E/4, E=0)
14 The symbol LED is ( )
15.Electric power can be transmitted over long distance without much loss of energy is an important advantage of ……………..(AC, DC, Both AC & DC ,None)

Section B
II i)Short Answers
ii)Answer any twenty questions. 20 X 2 = 40
16.Match the following disease with suitable causative agents Disease Causative agents
a. Malaria Entamoeba histolytica
b. Typhoid H1N1 Virus.
c. Amoebic dysentery Plasmodium
d. Influenza Salmonella typhi
17.Correct the answer
a. Variation may be defined as the affinities in the charecteristics among the individual the species
b. Evolution is a sudden development from the complex species to simple form Do you agree with the above statements?
If not give correct statements.
19.Assertion(A) : The secretions of pituitary gland controls all other endocrine glands
Reason (R) : It is known as the conductor of endocrine orchestra
1. A is correct and R is not giving correct reasoning.
2. A is correct and R is wrong
3. A is wrong and R is correct
4. A is relevant and R is giving correct reasoning.
20. You suspect that your friend is suffering from common cold. What are the questions you will ask your friend to confirm the disease.
21 The polar bears have thick skin coat and wooly fur, the ballen whales have ballen plates. Give reasons
25. What will happen if all the grass is removed from the grass land eco system?
26. Odd one out
a. Coal, petroleum, natural gas, hydrogen
b. Fluorescent bulbs, electronic regulator, solar water heater, electric water heater
27. Assertion A :Alcohol is made by fermenting the sugar components of plant materials. It can be used as a fuel for vehicles.
Reason (R) :Bioethanol is widely used.
1 A is false statement R is correct
2 A is correct R is wrong
3 A is correct R is relevant
4 A and R statements not relevant.
28. Monotropa lack chlorophyll and have mycorrhizal roots which absorb nouristiments from the humus, Viscum and cuscuta are also the plants.do they obtain food from plants? Give reason
29. Any water that has been used in the home, with the exception of water in the toilet can be reffered to as waste water. It is also reffered as gray water. Suggest any two ways to reuse this water and state benefit out of it.
30. Pollen grains have ceaseless, zigzag, continuous random motion when taken in a beaker containing water. Name the phenomenon and give the reason.
31. 20 g of common salt is dissolved in 60 g of water. Fine the concentration of the solution in terms of weight percentage?a. The blood vessal that carries blood to the lungs
b. The blood vessal that carries blood to the different parts of the body.
23.The tearing teeth of carnivorous animals ……………. The tusk of an elephant is modified teeth

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10th samacheer model question paper.

All samacheer question papers have been posted.
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how can i see the model question paper of maths samacheer model question paper

The Samacheer Maths question paper is posted here:
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How can downloand 10th model quesition paper.
My mail ID : selvamsuper33@gmail.com
By
S.Axxxxxx,
Government Higher Secondary School,
Sxxxx- 1
Tamilnadu

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how to download model que papers??? are the questions taken from guides or any other source????..

To download / view the question paper,
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When will the results of the 811 Special Teachers Recruitment be announced? Please reply. If results have arrived Provide the respective link.

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please arrange to post Hindi model questions on samacheer kalvi awaiting early response.

parent

@parent, we are not able to locate a hindi samacheer model question paper. Same will be uploaded as soon as we find one.

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HI i need to download 10th government 1st revision q.paper.pls say me the web address

Are you sure the government issues a revision question paper also??

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how can i see hindi model question paper in samacheer kalvi syllabus.

The TN government has not issued a Hindi Samacheer question paper. yet.

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Sir,


Please send the 10th std Model Question Paper

can you please send me all the model question papers to my e-mail id
sir please can you send the model question papers r to my e-mail id.

All question papers are available in this website.
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I have some doubts on some questions.The options given are vague.Where can i get the answers?

Hi
Anybody know, why can't access www.pallikalvi.in. pls tell, if it is change some other URL?

Pallkalvi website is no more. The domain is taken already. But not active.

The new govt. closed the pallikalvi site.

You can download 10th model questions in this site...

i want tenth samacheer pta model question papers answer

please use it is very much useful to 10 std student.

Please sent me the final model question paper and answer key.please sent me the important questions.

where i can find blueprint for X standard

Am not getting all model paper's key.How can i get it cleared?. can i get one mark answers for social studies.

tenth standard latest blue print for maths

please inform the date on which samacheer syllabus books been uploaded in the internet i.e in the format of book. and private publishers also going to publish the samacheer syllabus this year is it true?my email id is kalaraj26@yahoo.com

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Please send samacheer 10th model question paper in all subjects including latest board papers also.

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I need maths question paper for 10 std. Can you please update?

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Please send 10th standard English medium maths questions.

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How can I copy the question paper?

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can you give me answer for these questions