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Question Paper - Science and Technology - 2 2013 - 2014-S.S.C-Board Exam Maharashtra State Board (MSBSHSE)

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SubjectScience and Technology - 2
Year2013 - 2014 (March)

 Topics
 Marks
 Topics
 Marks

Marks: 40
Q: 1[10]
Q: 1.1[5]
Q: 1.1.1 | Find the odd one out:[3]

Pancreas, Gall bladder, Glomerulus, Liver

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C2H4, C4H10, C3H8, CH4

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Q: 1.1.2[3]

Match the following:

Column AColumn B
(i) Stigma(a) Neuron
(ii) Pepsin(b) Carpel
(iii) Dendrites(c) Protein
(d) Stamen


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

Iron is
(a) More reactive than zinc
(b) More reactive than aluminium
(c) Less reactive than copper
(d) Less reactive than aluminium

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Q: 1.2.2[1]

…………. is a mode of asexual reproduction.
(a) Cloning
(b) Budding
(c) Pollination
(d) Germination

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Q: 1.2.3[1]
Q: 1.2.4[1]

Cellular respiration takes place in
(a) Lysosome
(b) Chlorophyll
(c) Mitochondria
(d) Ribosome

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Q: 1.2.5[1]

…………. is not essential for photosynthesis.
(a) Oxygen
(b) Carbon dioxide
(c) Light
(d) Chlorophyll

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

Give any two differences between alkanes and alkenes.

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Q: 2.2[2]

Write two methods of preventing the rusting of iron.

 State two ways to prevent the rusting of iron.

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Q: 2.3[2]

Write the functions of the following organs of reproduction:
a. Ovaries
b. Seminal vesicle and prostate glands

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Q: 2.4[2]

Draw a neat labelled diagram of vertical section of the human heart.

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Q: 2.5[2]

Write a short note on pressure cooker.

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Q: 2.6[2]

Explain the term haemodialysis.

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

Give the IUPAC names of the following compounds:
(a) CH3CH2CH2OH
(b) HCOOH
(c) CH3-CH=CH-CH3

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Q: 3.2[3]

Classify the following as voluntary and involuntary actions:
(a) Coughing
(b) Food getting digested
(c) Moving a table
(d) Kicking a ball
(e) Beating of heart
(f) Flying a kite

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Q: 3.3[3]

What is ‘3R’ mantra?

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Write ‘3R’ mantra significance

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Q: 3.4[3]

What do you mean by DNA?

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What is the peculiarity of the ‘DNA’ structure?

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Name the scientist who put forward the most popular model of DNA.

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Q: 3.5[3]

Complete the following table to get the differences between asexual and sexual reproduction:

CharacteristicsAsexual ReproductionSexual Reproduction
Number of parents involved.........................................................
Type of cells involvedSomatic cellsGerm cells
Type of cell division............................Meiosis and mitosis
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Q: 3.6[3]

State the different types of neurons.

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Explain their neurons function.

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

In the extraction of aluminium:
i. Name the process of concentration of bauxite.
ii. Write the cathode reaction in electrolytic reduction of alumina.
iii. Write the function and formula of cryolite in the extraction of aluminium.
iv. Draw the diagram for the extraction of aluminium.

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Q: 4.2[5]

Answer the following questions related to sex determination in human beings:
i. What is sex chromosome?
ii. How many pairs of chromosomes are present in human beings?
iii. How is the sex of the human offspring determined?
iv. Draw a diagram depicting sex determination in man.

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