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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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

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 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 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 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 and Potential Difference

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: Basis for Classification : Cryptogams

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: Basis for Classification : Cryptogams

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: Basis for Classification : Cryptogams

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

Answer the following.

Explain chemical co-ordination in humans and give the names and functions of some hormones. 

[0.15] Life Processes in Living Organisms
Chapter: [0.15] Life Processes in Living Organisms
Concept: Co-ordination

Solve the following example .

 A 10 cm long stick is kept in front of a concave mirror having focal length of 10 cm in such a way that the end of the stick closest to the pole is at a distance of 20 cm. What will be the length of the image?  

[0.11] Reflection of Light
Chapter: [0.11] Reflection of Light
Concept: Spherical Mirrors

Solve the following example .

A convex mirror has a focal length of 18 cm. The image of an object kept in front of the mirror is half the height of the object. What is the distance of the object from the mirror?  

[0.11] Reflection of Light
Chapter: [0.11] Reflection of Light
Concept: Spherical Mirrors

Solve the following example .

An object of height 7 cm is kept at a distance of 25 cm in front of a concave mirror. The focal length of the mirror is 15 cm. At what distance from the mirror should a screen be kept so as to get a clear image ? what will be the size and nature of the image ?

[0.11] Reflection of Light
Chapter: [0.11] Reflection of Light
Concept: Spherical Mirrors

In an electric circuit, electron flow a from of point of ________ potential to the point of ____________ potential.

[0.03] Current Electricity
Chapter: [0.03] Current Electricity
Concept: Electric Circuit

A battery is to be formed by joining 3 dry cells with connecting wires. Show how will you connect the wires by drawing a diagram.

[0.03] Current Electricity
Chapter: [0.03] Current Electricity
Concept: Electric Circuit

In an electric circuit, a battery and a bulb have been connected and the battery consists of two cells of equal potential difference. If the bulb is not glowing, then which tests will you perform in order to find out the reason for the bulb not glowing?

[0.03] Current Electricity
Chapter: [0.03] Current Electricity
Concept: Electric Circuit

Define.

Biotechnology

[0.17] Introduction to Biotechnology
Chapter: [0.17] Introduction to Biotechnology
Concept: Biotechnology

Umesh has two bulbs having resistances of 15Ω and 30Ω. He wants to connect them in a circuit, but if he connects them one at a time the filament gets burnt. Answer the following. 

  1. Which method should he use to connect the bulbs?
  2. What are the characteristics of this way of connecting the bulbs depending on the answer of A above?
  3. What will be the effective resistance in the above circuit?

[0.03] Current Electricity
Chapter: [0.03] Current Electricity
Concept: System of Resistors and Effective Resistance
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Question Bank Solutions for SSC (English Medium) 9th Standard Maharashtra State Board Science and Technology. You can further filter Question Bank Solutions by subjects and topics. Solutions for most of the questions for Maharashtra State Board can be found here on Shaalaa.com. You can use these solutions to prepare for your studies and ace in exams. Solving questions is a great way to practice and with Shaalaa.com, you can answer a question and then also check your answer with the solutions provided.
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