SSC Papers Science II

SSC Papers for Practice Science II Maharashtra Board

Q.1.A.True or False: 2

1.       Methane is a covalent compound.

2.       Carbohydrates are body building nutrients

Q.1.B. Odd man out: 1

Boron, Chlorine, Bromine, Fluorine

Q.1.C. Answer in one sentence: 2

1. State any two metals that can be cut with knife.
2. What does CSF stands for?

Q.1.D. Multiple Choice Question: 5

1. Sense of smell is temporarily smothered when _________organs become inflamed. (nasal, taste, involuntary, voluntary)
2. The process of release of energy from nutrients is called ________. (respiration, photosynthesis, nutrition, absorption)
3. The _______ gas is released in more quantity by plants during daytime. ( CO₂, O₂, Cl₂, NH₃)
4. The molecular formula of ethane is ________. (C₂H₄, C₂H₆, C₃H₈, C₂H₂) ________ is a metal. ( Mg, S, P, Br)

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

1. Give Reason: Calcium floats on water during reaction with water.
2. Give Reason: translocation is needed in all higher plants
3. Write a note on reflex action
4. Write structural formula of Hexane and Butane.
5. Write down chemical reaction: Zinc carbonate is heated strongly in excess of air.
6. Write short note on catenation.

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

1. What do you understand by substitution reaction?
2. Write short note on a)tinning   b)electroplating
3. Explain the functions of forebrain.
4. How is fats digested in human being?
5. Explain the process of translocation in plants.
6. What is reflex action

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

1. Describe the respiratory system of human being.
2. With a neat labeled diagram explain electrolytic reduction of alumina.