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Science and Technology 2 Model set 2 by shaalaa.com 2024-2025 SSC (English Medium) 10th Standard Board Exam Question Paper Solution

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Science and Technology 2 [Model set 2 by shaalaa.com]
Marks: 40 Maharashtra State Board
SSC (English Medium)
SSC (Marathi Semi-English)

Academic Year: 2024-2025
Date: March 2025
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General Instructions :

  1. All questions are compulsory.
  2.  Use of a calculator is not allowed.
  3. The numbers to the right of the questions indicate full marks.
  4. In case of MCQs (Q. No. 1(A)) only the first attempt will be evaluated and will be given credit.
  5. For each MCQ, the correct alternative (A), (B), (C), or (D) with a subquestion number is to be written as an answer.
    For Eg. : (i) (A), (ii) (B), (iii) (C)
  6. Scientifically correct, labelled diagrams should be drawn wherever necessary.

[10]1
[5]1.A | Write the correct alternative :
[1]1.A.i

Incomplete combustion of fuels leads to formation of _______.

Carbon monoxide

Carbon dioxide

Chlorofluorocarbon

Hydrogen sulphide

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

The base sequence known as the anti-codon is a part of a ______.

Ribosomal RNA

Transfer RNA

Messenger RNA

DNA

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

______ bacteria is used for industrial production of yogurt.

Streptococcus thermophilus

Clostridium

Spirulina

Chlorella

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

The spindle fibres start appearing from _______ stage of karyokinesis.

Prophase

Metaphase

Anaphase

Telophase

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

The important factor that determines the social health of the place you live is ______.

Priority to remove a shop in the premises selling liquor and tobacco.

Opposition to the yoga class on the premises.

Opposition to the laughing club on the premises.

Celebration of cultural programs in each lane on the premises from time to time.

Concept: undefined - undefined
Chapter: [0.09] Social Health
[5]1.B | Answer the following :
[1]1.B.i

Find the odd one out:

Earthquake

Flooding

Tsunami

War

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

Complete the correlation:

Western ghat : Asiatic lion :: Sunderban sanctuary : ______.

Concept: undefined - undefined
Chapter: [0.04] Environmental Management
[1]1.B.iii

Tobacco containing substances cannot cause cancer of mouth and lungs.

True

False

Concept: undefined - undefined
Chapter: [0.09] Social Health
[1]1.B.iv

Give the useful application of the following transgenics.

"FlavrSavr" Tomato

Concept: undefined - undefined
Chapter: [0.08] Cell Biology and Biotechnology
[1]1.B.v

Name the asexual reproductive structures of Sponges.

Concept: undefined - undefined
Chapter: [0.06] Animal Classification
[10]2
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[4]2.A | Give scientific reasons (any two) :
[2]2.A.i

Give scientific reason.

The schematic of a turbine also varies according to the type of power generation.

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

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.A.iii

Give scientific reason.

Energy saving is a need of the hour.

Concept: undefined - undefined
Chapter: [0.05] Towards Green Energy
[6]2.B | Answer the following (any three) :
[2]2.B.i
[1]2.B.i.a

What is Biotechnology?

Concept: undefined - undefined
Chapter: [0.08] Cell Biology and Biotechnology
[1]2.B.i.b

Define genetically modified crops. Give two examples.

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

Differentiate between the following:

Binary fission and budding

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

Observe the following images. Discuss what is shown in images, give example of such situations in India?

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

Correct the following flow chart and rewrite.

Concept: undefined - undefined
Chapter: [0.02] Life Processes in Living Organisms Part -1
[2]2.B.v

Write four objectives of Mock Drill.

Concept: undefined - undefined
Chapter: [0.1] Disaster Management
[15]3 | Answer the following (any five) :
[3]3.A

Identify the given figure and label it.

Concept: undefined - undefined
Chapter: [0.08] Cell Biology and Biotechnology
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[3]3.B

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.C

Complete the following table taking into account the relation between the entries in three columns:

Disaster Symptoms Effects Remedy
Motor accident There is traffic jam. Somebody is injured. The car also gets damaged. If accident is on longer scale many people are injured. Some may die too.  
Landsliding   If there are houses located near the landslide or on cliffs, there would be a major disaster. The houses and people therein are most likely to get buried. The traffic will also halt if the landslide is near the major roads. The authority should be informed. Injured and trapped people should be removed from the rubble and given medical help as soon as possible.
Forest fire There is smoke spread out in the atmosphere. If it takes place in natural forests, the birds and the animals run helter skelter to save their lives. The huge flames can be seen. Everything turns into ashes.  
Theft The latch or the lock is broken. The valuables from the home or shop are missing. Everything in the house is strewn here and there. There are financial losses and also mental and emotional shock is severe.  
Riot   There is financial loss for all the rioting groups. The belongings houses, shops, etc., are destroyed or damaged. Property is looted. Ladies and children suffer the most as they are easily victimized.  
Concept: undefined - undefined
Chapter: [0.1] Disaster Management
[3]3.D

Complete the paragraph using proper words:

(Asymmetrical, Paramecium, Equal, imaginary, central, insects, rats, bird, three, unequal)

If body of any animal is cut through ______ axis of body, it may or may not produce two equal halves. Depending upon this property, there are different types of animal bodies. In the case of ______ body, there is no any such imaginary axis of the body through which we can get two equal halves. For example Amoeba, ______ some sponges. In radial symmetry type of body, if imaginary cut passes through central axis but any plane of body, it gives two ______ halves. For example Starfish. In case of this animal, there are five different planes passing through ______ axis of body through which we can get two equal halves. In Bilateral symmetry type of body, there is only one such imaginary axis of body through which we can get two equal halves. For example: ______ fishes, frog, birds, human, etc.

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

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.F
[1]3.F.i

Give three examples
Diseases endangering the social health.

Concept: undefined - undefined
Chapter: [0.09] Social Health
[1]3.F.ii

Give three examples of Physical problems arising due to excessive use of mobile phones.

Concept: undefined - undefined
Chapter: [0.09] Social Health
[1]3.F.iii

Give three examples of Activities under the jurisdiction of cyber crime laws.

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

Write in brief about progressive changes in animal classification.

Concept: undefined - undefined
Chapter: [0.06] Animal Classification
[3]3.H
[1]3.H.i

Define.

Translation

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

Define Translocation.

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

Define.

Mutation

Concept: undefined - undefined
Chapter: [0.01] Heredity and Evolution [0.01] Heredity and Evolution [0.01] Heredity and Evolution
[5]4 | Answer any one of the following :
[5]4.A

Observe the figure and label it properly.

  1. Name the hormone that regulates the cycle.
  2. Name the phases in this cycle.
  3. What is the duration of ovulation phase?
  4. What happens if implantation occurs?
  5. What happens if implantation does not occur?
Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2
[5]4.B

Attempts at various levels are performed for conserving environment. Which role would you like to perform. Give two actions each:

  • Prevention
  • Control
  • Production
  • Awareness
  • Conservation
Concept: undefined - undefined
Chapter: [0.04] Environmental Management

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