Question Paper - Science and Technology - 2 2015 - 2016-S.S.C-Board Exam Maharashtra State Board (MSBSHSE)



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SubjectScience and Technology - 2
Year2015 - 2016 (March)

Marks: 40
Q: 1[10]
Q: 1.1 | Answer the following sub-questions :[5]
Q: 1.1.1[1]

Fill in the blank and rewrite the completed statement: 
.................... is the largest gland in the body.

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Q: 1.1.2[1]

Find the odd one out and write it: 
vagina, uterus, vas deferens, ovary

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Q: 1.1.3[1]

State whether the statement is true or false:
Aquatic animals breathe at a slower rate than the terrestrial animals.

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Q: 1.1.4[1]

Considering the relationship in the first pair, complete the second pair: 
rr : Homozygous : : Rr : ....................

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Q: 1.1.5[1]

Name the following: Main ore of aluminium.

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Q: 1.2 | Rewrite the following statements by selecting the correct options:[5]
Q: 1.2.1[1]

For binary fission, Amoeba required .................... parent cells.
(a) Three
(b) Two
(c) One
(d) Zero

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Q: 1.2.2[1]

For binary fission, Amoeba required .................... parent cells.
(a) Three
(b) Two
(c) One
(d) Zero

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Q: 1.2.3[1]

A solution of CuSO4 in water is .................... in colour.
(a) Pink
(b) Blue
(c) Colourless
(d) Green

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Q: 1.2.4[1]

Raisins are formed by drying grapes. The process that takes place during formation of raisins from grapes is .................... .
(a) Absorption
(b) Osmosis
(c) Diffusion
(d) Dehydration

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Q: 1.2.5[1]

Ethanoic acid has a .................... odour.
(a) Rotten eggs
(b) Pungent
(c) Vinegar-like
(d) Mild

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Q: 2 | Attempt any five of the following:[10]
Q: 2.1[2]

Differentiate between voluntary and involuntary movements.

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Q: 2.2[2]

What is the peculiarity of the ‘DNA’ structure?

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Q: 2.3[2]

Draw a well-labelled diagram of longitudinal section of a flower.

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Q: 2.4[2]

Give scientific reason : Roots of plants grow away from light

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Q: 2.5[2]

Write any two measures to conserve water.

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Q: 2.6[2]

What are fossils?

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Q: 3 | Attempt any five of the following:[15]
Q: 3.1[3]

What is an alloy?

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Give two examples of alloys with their chemical composition.

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Q: 3.2[3]

Explain sex determination in human beings.

How is sex determined in human beings?

Explain the mechanism of sex determination in human being

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Q: 3.3[3]

State the different types of neurons.

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Explain their neurons function.

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Q: 3.4[3]

What is ‘3R’ mantra?

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Write ‘3R’ mantra significance

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Q: 3.5[3]

Metal A has electronic configuration (2, 8, 1) and metal B has (2, 8, 8, 2). Which is more reactive? Why? Identify these metals.

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Q: 3.6[3]

Explain the disadvantages of a large family size.

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Q: 4 | Attempt any one of the following:[5]
Q: 4.1[5]

Given below are the end products of different reactions involving glucose.

Write the reaction number in front of the following:
(i) Anaerobic reaction =
(ii) Reaction in the human muscles =
(iii) Aerobic respiration =
(iv) Reaction in the plant cells =
(v) Reaction in the liver

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Q: 4.2[5]

What is a homologous series?

What is a homologous series? Explain with an example.

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State any four characteristics of a homologous series

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