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Science and Technology 2 Set 1 2018-2019 SSC (English Medium) 10th Standard Board Exam Question Paper Solution

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Science and Technology 2 [Set 1]
Marks: 40 Maharashtra State Board
SSC (English Medium)
SSC (Marathi Semi-English)

Academic Year: 2018-2019
Date & Time: 18th March 2019, 11:00 am
Duration: 2h30m
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1) All questions are compulsory.
2) Draw scientifically correct labelled diagrams wherever necessary.
3) Start writing each main question on new page.
4) Figures to the right indicate full marks.


[10]1
[5]1.A | Solve the following questions:
[1]1.A.i

Identify the process shown in the figure and name it.

Concept: undefined - undefined
Chapter: [0.05] Towards Green Energy
[1]1.A.ii

Pranav and Preeti are twins in your class. They belong to ___________ twins type.

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

There is a oil layer on the water surface of river in your area. What will you do ?

Concept: undefined - undefined
Chapter: [0.07] Introduction to Microbiology
[1]1.A.iv

Fill in the boxes with the help of the given due :
Continuous consumption of alcohol and tobacco material ___________

A             O  
Concept: undefined - undefined
Chapter: [0.09] Social Health
[1]1.A.v

Find out the correlation :
White revolution : Increase in dairy production : : Green revolution : ____________

Concept: undefined - undefined
Chapter: [0.08] Cell Biology and Biotechnology
[5]1.B |  Choose the correct alternative and rewrite the statements :
[1]1.B.i

Somatic and stem cells undergo ______ type of division.

meiosis

mitosis

budding

cloning

Concept: undefined - undefined
Chapter: [0.02] Life Processes in Living Organisms Part -1
[1]1.B.ii

Which of the following is man-made disaster ?

Earthquake

Flood

Meteoric

Leakage of toxic gases

Concept: undefined - undefined
Chapter: [0.1] Disaster Management
[1]1.B.iii

In a food chain autotrophic plants are present at the _______ level.

Tertiary nutrition

Secondary nutrition

Producer

Apex

Concept: undefined - undefined
Chapter:
[1]1.B.iv

______ is a cold blooded animal.

Bat 

Snake

Rabbit

Elephant

Concept: undefined - undefined
Chapter:
[1]1.B.v

_______ is a connecting link between Annelida and Arthropoda.

Duck-billed platypus 

Peripatus 

Lungfish

Whale

Concept: undefined - undefined
Chapter: [0.01] Heredity and Evolution [0.16] Mapping Our Genes
[10]2 | Attempt any five.
[2]2.A

Complete the following chart:

Concept: undefined - undefined
Chapter: [0.01] Heredity and Evolution [0.16] Mapping Our Genes
[2]2.B

Draw a neat diagram of the structure of chromosome and label the parts :
1) Centromere
2) p-arm

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2
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[2]2.C

What are the advantages of hydroelectric power generation ?

Concept: undefined - undefined
Chapter: [0.05] Towards Green Energy
[2]2.D

State any four benefits of animal classification.

Concept: undefined - undefined
Chapter: [0.06] Animal Classification
[2]2.E

Write down any two objectives of disaster management.

Concept: undefined - undefined
Chapter: [0.1] Disaster Management
[2]2.F

Give scientific reasons.

Microbial enzymes are used instead of chemical catalysts in chemical industry.

Concept: undefined - undefined
Chapter: [0.07] Introduction to Microbiology
[2]2.G

Read the following extract and answer the questions that follow :
A liberal view behind the concept of organ and body donation is that after death our body should be useful to other needful persons so that their miserable life would become comfortable. Awareness about these concepts is increasing in our country and people are voluntarily donating their bodies.
Life of many people can be saved by organ and body donation. Blinds can regain their vision. Life of many people can be rendered comfortable by donation of organs like liver, kidneys, heart, heart valves, skin etc. Similarly, body can be made available for research in medical studies. Many government and social organizations are working towards increasing the awareness about body donation.
1) What is the liberal view behind the organ and body donation ?
2) Name any four organs that can be donated.

Concept: undefined - undefined
Chapter: [0.08] Cell Biology and Biotechnology
[15]3 | Attempt any five
[3]3.A
[1]3.A.i

Answer the following questions:

What do you mean by central dogma?

Concept: undefined - undefined
Chapter: [0.01] Heredity and Evolution
[1]3.A.ii

Answer the following questions :

What is transcription?

Concept: undefined - undefined
Chapter: [0.01] Heredity and Evolution
[1]3.A.iii

Answer the following questions:

What is meant by triplet codon?

Concept: undefined - undefined
Chapter:
[3]3.B

Complete the following chart and state which process of energy production it represents:


Concept: undefined - undefined
Chapter: [0.02] Life Processes in Living Organisms Part -1 [0.13] Life's Internal Secrets
[3]3.C

Playing games on mobile while eating is right or wrong. Justify.

Concept: undefined - undefined
Chapter: [0.09] Social Health
[3]3.C.i

What do you conclude from the following picture?

Concept: undefined - undefined
Chapter: [0.09] Social Health
[3]3.C.ii

Observe the following picture and state what can be the outcome.

Concept: undefined - undefined
Chapter: [0.09] Social Health
[3]3.D

Observe the diagram and answer the questions :

  1. Which energy is generated from the power plant?
  2. State its source.
  3. Which is more eco-friendly - Power generation from coal or Power generation from natural gas? Why?
Concept: undefined - undefined
Chapter: [0.05] Towards Green Energy
[3]3.E
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[1]3.E.i

Identify my class/phylum and give one example of it:

I have mammary glands and exoskeletons in the form of hair.

Concept: undefined - undefined
Chapter:
[1]3.E.ii

Identify my class/phylum and give one example of it:

We form the highest number of animals on the planet. We have bilateral symmetry and our exoskeleton is in the form of chitin.

Concept: undefined - undefined
Chapter: [0.06] Animal Classification
[1]3.E.iii

Identify my class/phylum and give one example of it:

I live in your small intestine, my body is long and thread like and pseudocoelomate.

Concept: undefined - undefined
Chapter: [0.06] Animal Classification
[3]3.F

Observe the following figure and answer the questions :

  1. Identify the process shown in the figure. 
  2. Explain the process in short.
Concept: undefined - undefined
Chapter: [0.07] Introduction to Microbiology
[3]3.G
[1]3.G.i

What is Biotechnology?

Concept: undefined - undefined
Chapter: [0.08] Cell Biology and Biotechnology
[2]3.G.ii

Explain any two commercial applications of biotechnology.

Concept: undefined - undefined
Chapter: [0.08] Cell Biology and Biotechnology
[5]4 | Attempt any one
[5]4.A
[2]4.A.i
[1]4.A.i.1

Identify the following symbol and state their significance.

Concept: undefined - undefined
Chapter: [0.04] Environmental Management
[1]4.A.i.2

Identify the following symbol and state their significance.

Concept: undefined - undefined
Chapter: [0.04] Environmental Management
[3]4.A.ii

How can biodiversity be conserved?

Concept: undefined - undefined
Chapter: [0.04] Environmental Management
[5]4.B | Answer the following quesitons :
[2]4.B.i

“Gender of child is determined by the male partner of couple”. Draw a diagram explaining the above statement.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[1]4.B.ii

Prepare a slogan for campaign against female foeticide.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[1]4.B.iii

In the following figure, explain how new fungal colonies mucor are formed:

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2
[1]4.B.iv

Identify and state the type of reproduction represented in the above figure.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2

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