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Science and Technology 2 2015-2016 SSC (English Medium) 10th Standard Board Exam Question Paper Solution

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Science and Technology 2
Marks: 40 Maharashtra State Board
SSC (English Medium)
SSC (Marathi Semi-English)

Academic Year: 2015-2016
Date: July 2016
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Section B
[10]1
[5]1.A
[3]1.A.a
[1]1.A.a.i

Fill in the blanks and rewrite the completed statements:

___________ acid inhibits growth leading to wilting of leaves.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[1]1.A.a.ii

Fill in the blanks and rewrite the completed statements:

The organic compounds having double or triple bond in them are termed as _________________   _________________.

Concept: undefined - undefined
Chapter: [12] Amazing World of Carbon Compounds
[1]1.A.a.iii

Fill in the blanks and rewrite the completed statements:

Lymph flows in _______________ direction. 

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[1]1.A.b

Write the structural formulae of the following compound:

Ethane

Concept: undefined - undefined
Chapter: [12] Amazing World of Carbon Compounds
[1]1.A.c

Name the mode of reproduction process seen in yeast.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[5]1.B
[1]1.B.a

Choose the correct alternative and rewrite the following:

Fermentation is a type of ____________________.

aerobic respiration

anaerobic respiration

exothermic reaction.

none of the above.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[1]1.B.b

Choose the correct alternative and rewrite the following:

Some acetic acid is treated with solid NaHCO3, the resulting solution will be _________________.

Colourless

blue

green

yellow

Concept: undefined - undefined
Chapter: [12] Amazing World of Carbon Compounds
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[1]1.B.c

Choose the correct alternative and rewrite the following:

Ramesh observed a slide of Amoeba with elongated nuclei. It would represent _______________.

Binary fission

Budding

Multiple fission

None of the above.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[1]1.B.d

Choose the correct alternative and rewrite the following:

Twenty dry raisins were soaked in 50 ml of water and kept for one hour at 500 C. Which out of the following is the correct observation? 

8 raisins absorbed water

18 raisins absorbed water

15 raisins absorbed water.

All raisins absorbed water.

Concept: undefined - undefined
Chapter: [0.17] Striving for Better Environment 2
[1]1.B.e

Choose the correct alternative and rewrite the following:

Iron is _____________________.

More reactive than Zn.

more reactive than Al.

less reactive than Cu.

less reactive than Al.

Concept: undefined - undefined
Chapter: [11] Understanding Metals and Non-Metals
[10]2 | Attempt any FIVE of the following:
[2]2.A

Gold and silver are used to make jewellery. Give reason

Concept: undefined - undefined
Chapter: [11] Understanding Metals and Non-Metals
[2]2.B

Explain the following reaction with balanced chemical equation:

Calcium reacts with water. 

Concept: undefined - undefined
Chapter: [12] Amazing World of Carbon Compounds
[2]2.C

Write any two physical properties of Ethanol.

Concept: undefined - undefined
Chapter: [12] Amazing World of Carbon Compounds
[2]2.D

Give scientific reason : Roots of plants grow away from light

Concept: undefined - undefined
Chapter: [0.14] The Regulators of Life
[2]2.E

In which livings, female decides the sex? Give two examples.

Concept: undefined - undefined
Chapter: [0.16] Mapping Our Genes
[2]2.F

Give the molecular and structural formulae of Benzene.

Concept: undefined - undefined
Chapter:
[15]3 | Attempt any FIVE of the following :
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[3]3.A

What do you mean by vestigial structures? Name four vestigial organs found in man.

Concept: undefined - undefined
Chapter: [0.01] Heredity and Evolution [0.16] Mapping Our Genes
[3]3.B

State Darwin’s theory of evolution.

Concept: undefined - undefined
Chapter: [0.01] Heredity and Evolution [0.16] Mapping Our Genes
[3]3.C

Draw a diagram of the longitudinal section of a flower and label the following parts.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[3]3.D
[1]3.D.a

Explain the term Reproduction.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[1]3.D.b

Explain the term Vegetative propagation.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[1]3.D.c

Explain the term: Pollination. 

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[3]3.E

Write the names and functions of three parts of human nervous system in which it is divided.

Concept: undefined - undefined
Chapter: [0.14] The Regulators of Life
[3]3.F
Geeta dipped a copper coin in a solution of silver nitrate. After some time she saw the silver shine on the coin. Why? Give the balanced chemical equation for the same and name the type of reaction.
Concept: undefined - undefined
Chapter: [11] Understanding Metals and Non-Metals
[5]4 | Attempt any one of the following questions:
[5]4.A
What is recycling of waste?
Concept: undefined - undefined
Chapter: [0.17] Striving for Better Environment 2

Give one example of Reuse.

Concept: undefined - undefined
Chapter: [0.17] Striving for Better Environment 2

Write the advantages of recycling.

Concept: undefined - undefined
Chapter: [0.17] Striving for Better Environment 2
[5]4.B

List the organs of Human respiratory system. 

Concept: undefined - undefined
Chapter: [0.13] Life's Internal Secrets

Explain the ‘inhalation’.

Concept: undefined - undefined
Chapter: [0.02] Life Processes in Living Organisms Part -1 [0.13] Life's Internal Secrets

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