Is anybody have last year's periodic test paper of class 10th cbse??sst & science paper
Answers
SST Paper: (Chapters: Geo Lns 1,3 Civ Lns 1 and 2, Eco- Ln-1 ). Marks:50
1. What is the prudential reason behind power sharing?(1)
2. Which factor is responsible for increasing feeling of alienation among the Sri Lankan Tamils? (1)
3. What is gram sabha? (1)
4. The Bombay High Court ordered the Maharashtra State Govt to immediately take action and improve the living conditions for the 2.000-odd children at seven children's homes in Mumbai
Which four types of power sharing do this represent? (1)
5.What is Agenda 21? (1)
6. What is the main reason of land degradation in Gujarat? (1)
7. Why is roof top water harvesting imp in Rajasthan? (1)
8. Name one river valley project which has singnificantly contributed to the loss of forests? (1)
9. Mention one development goal of landless rural labourers. (1)
10. How can power be shared among govts at different levels? (3)
11. Distinguish between Unitary and Federal systems of govt. (3)
12. What are the three stages of Resource planning in India? (3)
13. Why is soil considered as a resource? (3)
14. Write the importance of HDI in three points. (3)
15. How have intensive industrialization and urbanization posed a great threat on existing fresh water resources in India? (3)
16. Why did the makers of our constitution declare India to be a ' Union of States ' ? Why were some sub-political units of India given a special status? (5)
17. What are the main adv of India's land under a variety of relief features? (5)
18. Explain the traditional method of rainwater harvesting adopted in different parts of India. (5)
19. "Money cannot buy all the goods and services that a person may need to live well". Explain the statement. (5)
20. Map Work: (Chs: Geo Lns 1 and 3) Marks: 3
(a) Identify the following type of soil marked on the gn political map of India:
A-> Type of soil
(b) Locate the following features on the same map of India:
(1) Hirakud (2) Tehri
Science paper(Chapters: Che lns- 2 and 3, Bio ln-7). Marks:50
1. Write any 2 antacids. (1)
2.Name one liquid metal and non-metal. (1)
3. Name the elements present in bronze and solder. (1)
4. Which part of the brain maintains posture and equilibrium of the body? (1)
5. Give an example of a plant hormone that promotes growth. (1)
6. Name the acid present in : (a) Lemon (b) Tomato (c) Vinegar (d) Tamarind. (2)
7. Give 2 uses of baking soda and washing soda. (2)
8. Why sodium metal is kept immersed in kerosene? (2)
9. A shiny brown metal 'X' on heating in aur becomes black in colour. Name the black coloured compound and identify 'X'. (2)
10. What is endocrine gland? Give eg. (2)
11. What happens at the synapse between 2 neurons? (2)
12. (a) Write the formula and the chemical name of bleaching powder.
(b) Write the chemical eqn to represent the action of Cl2. (3)
(c) Write any 2 uses of bleaching powder.
13. State in tabular form the name of the acid and base from which the following salts have been formed:
(a) Potassium Chloride (b) Sodium Carbonate
(c) Magnesium Sulphate. (3)
14.Distinguish b/w metals and non-metals on the basis of their chemical properties. (3)
15. Write the che.eqns for the reactin takes place when:
(a) Iron reacts with steam.
(b) Magnesium reacts with dil.HCl
(c) Copper is heated in air. (3)
16. Compare and contrast nervous and hormonal mechanism for control and co-ordination in animals. (3)
17. Why is the use of iodised salt advisable? (3)
18. A compound 'p' forms the enamel of teeth.
(a) It is the hardest substance of the body. It does not dissolve in water but gets corroded when the pH of water lowered below 5.5, why?
(b) Explain abt Chlor- Alkali process. (5)
19. Explain roasting and calcination with eg. (5)
20. (i) Draw the structure of neuron and exp its func.
(ii) How does our body respond when adrenaline is secreted into the body? (5)..