Maharashtra State BoardSSC (English Medium) 9th Standard
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Question Bank Solutions for SSC (English Medium) 9th Standard - Maharashtra State Board - Science and Technology

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Science and Technology
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Give examples of the importance of climate in the living world with explanations, in your own words.

[0.09] Environmental Management
Chapter: [0.09] Environmental Management
Concept: Weather

Write note.

Monsoon model

[0.09] Environmental Management
Chapter: [0.09] Environmental Management
Concept: Weather

Complete the statement using the given options and justify those statements. 

 A description of the climatic conditions of short duration in a particular area is ____________.

[0.09] Environmental Management
Chapter: [0.09] Environmental Management
Concept: Weather

Complete the following Chemical reaction. 

 ........+....... → CO2 + 2H2O + Heat

[0.13] Carbon : An Important Element
Chapter: [0.13] Carbon : An Important Element
Concept: Carbon: a Versatile Element

Complete the following Chemical reaction.

2 NaOH + CO2 → ........+........ 

[0.13] Carbon : An Important Element
Chapter: [0.13] Carbon : An Important Element
Concept: Carbon: a Versatile Element

Complete the following Chemical reaction.

..........+......... →CH3Cl + HCl

[0.13] Carbon : An Important Element
Chapter: [0.13] Carbon : An Important Element
Concept: Carbon: a Versatile Element

Which vaccines are given to infants? Why? 

[0.08] Useful and Harmful Microbes
Chapter: [0.08] Useful and Harmful Microbes
Concept: Uses of Microorganisms (Microbes)

How is a vaccine produced? 

[0.08] Useful and Harmful Microbes
Chapter: [0.08] Useful and Harmful Microbes
Concept: Uses of Microorganisms (Microbes)

How do antibiotics cure disease?

[0.08] Useful and Harmful Microbes
Chapter: [0.08] Useful and Harmful Microbes
Concept: Uses of Microorganisms (Microbes)

Are the antibiotics given to humans and animals the same? Why?

[0.08] Useful and Harmful Microbes
Chapter: [0.08] Useful and Harmful Microbes
Concept: Uses of Microorganisms (Microbes)

Why is it necessary to safely store the pathogens of a disease against which vaccines are to be produced? 

[0.08] Useful and Harmful Microbes
Chapter: [0.08] Useful and Harmful Microbes
Concept: Uses of Microorganisms (Microbes)

What are ‘broad-spectrum antibiotics'?

[0.08] Useful and Harmful Microbes
Chapter: [0.08] Useful and Harmful Microbes
Concept: Uses of Microorganisms (Microbes)

Water in the waterfall flows from a higher level to the lower level because of ____________.

[0.03] Current Electricity
Chapter: [0.03] Current Electricity
Concept: Electric Potential (Electrostatic Potential) and Potential Difference

The differences between the electrostatic potential of the positive end the negative end of an electric cell is the __________ of the cell.

[0.03] Current Electricity
Chapter: [0.03] Current Electricity
Concept: Electric Potential (Electrostatic Potential) and Potential Difference

Three electric cells of potential difference 1.5 V each have been connected as a battery. The potential differences of the battery will be ________ V.

[0.03] Current Electricity
Chapter: [0.03] Current Electricity
Concept: Electric Potential (Electrostatic Potential) and Potential Difference

Electric cells having 2 V potential difference each have been connected in the form of a battery. What will be the total potential difference of the battery in both cases ?

(i)  

(ii) 

[0.03] Current Electricity
Chapter: [0.03] Current Electricity
Concept: Electric Potential (Electrostatic Potential) and Potential Difference

Fill in the blank to complete the statement. Justify the statement. 

The first generation computers used to shut down because of ___________.

[0.1] Information Communication Technology
Chapter: [0.1] Information Communication Technology
Concept: Important Components of a Computer

Sketch and label the figure of the following plant and explain them into brief. 

Spirogyra

[0.06] Classification of Plants
Chapter: [0.06] Classification of Plants
Concept: Kingdom Plantae

Sketch and label the figure of the following plant and explain them into brief. 

Marchantia

[0.06] Classification of Plants
Chapter: [0.06] Classification of Plants
Concept: Kingdom Plantae

Match the proper terms from columns A and  C with the description in column B.

‘A’ ‘B’  ‘C’ 
Thallophyta  Seeds are formed in fruits.  Fern 
Bryophyta  No natural covering on seeds. Cycas 
Pteridophyta  These plants mainly grow in water.  Tamarind 
Gymnosperms  These plants need water for reproduction.  Moss 
Angiosperms  Tissues are present for the conduction of water and food  Algae
[0.06] Classification of Plants
Chapter: [0.06] Classification of Plants
Concept: Kingdom Plantae
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