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

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Science and Technology 2 [Balbharati Model Question Paper Set 1]
Marks: 40Academic Year: 2018-2019
Date: March 2019

[10]1
[5]1.1 | Attempt the following.
[1]1.1.i

Skin : Keratin : : Blood : ____________

Concept: Concept of Life Processes
Chapter: [13] Life's Internal Secrets
[1]1.1.ii

Rewrite the food-chain given below with correct sequence.
Grasshopper– Snake– Paddyfield– Eagle– Frog

Concept: Living Organisms and Life Processes
Chapter: [2] Life Processes in Living Organisms Part -1
[1]1.1.iii

IT Act 2000 is to control the.......................

Concept: Cyber Crimes
Chapter: [9] Social Health
[1]1.1.iv

Mention any one benefit of biotechnology to the agriculture.

Concept: Important Stages in Agricultural Develoment
Chapter: [8] Cell Biology and Biotechnology
[1]1.1.v

Complete the following flowchart.

Concept: Living Organisms and Life Processes
Chapter: [2] Life Processes in Living Organisms Part -1
[5]1.2 | Write the correct option from given multiple choices.
[1]1.2.i

What should be done if the gas cylinder at your home catches fire?
a) Water should be sprinkled.
b) Sand, soil should be put at it.
c) Cylinder should be covered with wet blanket.
d) One should run away.

Concept: First Aid and Emergency Action
Chapter: [10] Disaster Management
[1]1.2.ii

In which of the following industries, microbial enzymes are not used?
a) Glass industry.
b) Cheese industry
c) Tanning industry.
d) Paper industry.

Concept: Types of Elements: Non-metal
Chapter: [11] Understanding Metals and Non-Metals [11] Understanding Metals and Non-Metals [11] Understanding Metals and Non-Metals
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[1]1.2.iii

Which of the following is not an unisexual flower?
a) Coconut
b) Papaya
c) Gulmohor
d) Maize

Concept: Sexual Reproduction in Flowering Plants
Chapter: [3] Life Processes in Living Organisms Part - 2 [15] The Life Cycle
[1]1.2.iv

Which of the following is used in solar cooker to harvest the solar energy?
a) Solar panels
b) Silicon cell
c) Mirrors
d) Glass lid

Concept: Electric Energy Generation Using Solar Energy
Chapter: [5] Towards Green Energy
[1]1.2.v

Which of the following is the first example of class Homo sapiens?

Neanderthal

Dryopithecus

Cro Magnon

Ramapithecus

Concept: Human Evolution
Chapter: [1] Heredity and Evolution
[10]2 | Attempt the following (Any five)
[2]2.1

“Solving the problem of pollution is an effective way of environmental management” Justify the statement.

Concept: Microbial Pollution Control
Chapter: [7] Introduction to Microbiology
[2]2.2

Characters of a phylum are given below. Read those carefully and answer the questions.
a. Spines of calcium carbonate are present on the body.
b. These animals are exclusively marine.
c. They perform the locomotion with the help of tube feet.
d. Their skeleton is made up of calcareous plates or spicules.
i. Animals of which phylum show the above characters?
ii. Give an example from that phylum.
iii. These animals can be classified with the help of which criteria of new system of animals classification?

Concept: History of Animal Classification
Chapter: [6] Animal Classification
[2]2.3

i. Which therapy is shown in the picture?
ii. Which will be possible benefits of this therapy in organ transplantation?

Concept: Organ Transplantation
Chapter: [8] Cell Biology and Biotechnology
[2]2.4

“Biotechnology is not only beneficial but it has some harmful effects too.” Express your opinion about this statement.

Concept: Biotechnology
Chapter: [8] Cell Biology and Biotechnology
[2]2.5

Which aspects will you check for pre-disaster management in your school?

Concept: Disaster Management
Chapter: [10] Disaster Management
[2]2.6

Observe the connections of cells shown in the following images.
i. Which connection will give maximum potential difference?
ii. Give one advantage and one disadvantage of this energy.

Concept: Solar Photovoltaic Cell
Chapter: [5] Towards Green Energy
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[2]2.7

What do these symbols indicate? Explain our opinion about those symbols.

Concept: Environmental Conservation and Biodiversity
Chapter: [4] Environmental Management
[15]3 | Attempt the following. (Any five)
[3]3.1

What do we call the degenerated or partially developed useless organs in living organisms? Enlist such organs in human body? How the same organs are useful in other animals?

Concept: Evidence of Evolution - Vestigial Organs
Chapter: [1] Heredity and Evolution
[3]3.2

“A couple shall have a male child or female child totally depends upon husband” Prove truthfulness of this statement with scientific reason.

Concept: Reproduction and Modern Technology
Chapter: [3] Life Processes in Living Organisms Part - 2
[3]3.3

Read the information given below and solve the questions based on it.
Electric energy is produced in various ways like hydroelectric, wind power, Solar energy, bio-fuel, etc. These energy sources are inexhaustible, sustainable. Besides, it does not cause any environmental problem.
i. Above information is about which type of energy?
ii. Whether the fossil fuel is an example of this energy?
iii. Draw the flow chart of production of electric energy.

Concept: Hydroelectric Energy
Chapter: [5] Towards Green Energy
[3]3.4

Track the changes in methods of animal classification. How the methods of animal classification changed over the time?

Concept: Traditional Method of Animal Classification
Chapter: [6] Animal Classification
[3]3.5

Complete the following concept-diagram using factors harming the social health and based on it, answer the following questions.
i. Tobacco products can be included in which of those factors?
ii. How the tobacco products are harming the social health?

Concept: Unified Movement Against Tobacco.
Chapter: [9] Social Health
[3]3.6

i. Which mental illness is shown in the picture given below?
ii. Which social message would you like to give through it?

Concept: Communication Media and Excessive Use of Modern Technology
Chapter: [9] Social Health
[3]3.7

Explain in brief the sensitive issues of general public about disaster?

Concept: Structure of Disaster Management Authority
Chapter: [10] Disaster Management
[5]4 | Attempt following. (Any one)
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[5]4.1

Redraw the flow-chart with corrections. Explain in brief the process of obtaining energy through oxidation of carbohydrates, lipids & proteins.

Concept: Living Organism and Energy Production
Chapter: [2] Life Processes in Living Organisms Part -1
[5]4.2

A) Lack of management of which factor is shown in the picture?
B) How can that factor be managed with the help of microbes?
C) How the oil spills in oceans are cleared?

Concept: Microbial Pollution Control
Chapter: [7] Introduction to Microbiology
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Maharashtra State Board previous year question papers 10th Standard Board Exam Science and Technology 2 with solutions 2018 - 2019

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