SSC Papers Science II

SSC Papers for Practice Science II Maharashtra Board

Q.1.A.True or False: 2

1. Ionic compounds have low melting point.

2. Plasma is called tissue fluid

Q.1.B. Odd man out: 1

1. Copper, Iron, Mercury, Brass

Q.1.C. Answer in one sentence: 2 

1. What is roasting?

2. Define excretion?

Q.1.D. Multiple Choice Question: 5

1.  _______are sensitive to touch. (Roots, stem, tendrils, flowers)

2. The exchange of respiratory gases occur by ____ in plants. (air pores, stomata, lenticels, diffusion)

3. Excess of carbohydrates stored in the plant body is in form of ________. (salt, starch, lipid, gelatin)

4. Molecular formula for propane is ________. (C₂H₄, C₃H₆, C₄H₅, C₅H₁₀)

5.  _______ is metal inn liquid state. (magnesium, sodium, mercury, scandium)

Q.2.Answer the following: (Any Five) 10

1. Give Reason: Breathing rate increases during vigorous exercise.
2. Give Reason: Roots of plants grow away from light..
3. Explain 1)Roasting   2)Gangue
4. Write structural formula of Butane and Propane
5. Write down chemical reaction: Magnesium reacts with dilute Nitric acid.
6. Distinguish between Arteries and veins.

Q.3. Answer the following: (Any Five) 15

1. Explain the following terms: a)minerals b)gangue c) roasting
2. Write short note on: a) Galvanising, b)Tinning
3. State the general characteristics of homologus series
4. Describe the digestive action carried by small intestine
5. Describe structure of human heart.
6. Describe the movements in plants which are growth independent.

Q.4. Answer the following: (Any One) 5

1. Describe the structure and function of Central Nervous System. (Brain).

2. Answer the following with reference to circulatory system of human being:

a. How many chambers are present in human heart?

b. How many times does a heart contracts in one minute?

c. Why the walls of aorta are thick?

d. Explain the use of valves in veins?

e. Name the disease caused due to thickening of aorta.