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Science and Technology 2 Model set 3 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 3 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

Organs like ______ can be donated after death.

Skin

Heart

Lungs

Bones

Concept: undefined - undefined
Chapter: [0.08] Cell Biology and Biotechnology
[1]1.A.ii

When neutron is bombarded on atom of Uranium-235, it absorbs the neutron and converts into ______.

Its isotope Uranium-236

Its isotope Uranium-234

Degrades into components

No effect is observed

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

Bones contain ______ amino acids.

Melanin

Haemoglobin

Ossein

Insulin

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

Body breaks up into several fragments and each fragment starts to live as a new individual. This is ______ type of reproduction.

Budding

Fragmentation

Regeneration

Binary fission

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2
[1]1.A.v

Consumers are deceived by showing superior items on websites but actually selling items of either inferior quality or impaired ones. This is ______ type of activity.

Cyber crime

Addiction

Mental stress

Website hack

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

Find odd one out:

Drying 

Salting 

Cooking 

Soaking with sugar

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

Write the correct co-relation.

Butterfly : Arthropoda : : Earthworm : ______.

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

State whether True/False:

The 'Devrai' reserved in the name of God in various places is required in the present time as well.

True

False

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

Which enzyme was used earlier for cheese production?

Concept: undefined - undefined
Chapter: [0.07] Introduction to Microbiology
[1]1.B.v

I am connecting link between Reptilia and mammals. What is my name?

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 a scientific reason.

Why it is essential to get training of first aid?

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

Give a scientific reason.

Morphological evidences suggest that dog, sheep and wolf have a common origin.

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

Give scientific reasons.

Fibers are one of the important nutrients.

Concept: undefined - undefined
Chapter: [0.02] Life Processes in Living Organisms Part -1
[6]2.B | Answer the following (any three) :
[2]2.B.i

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

Concept: undefined - undefined
Chapter: [0.09] Social Health
[2]2.B.ii

Distinguish between Aves and Mammalia.

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

Observe the following figure and explain the concept.

Concept: undefined - undefined
Chapter: [0.01] Heredity and Evolution
[2]2.B.iv

Complete the following conceptual picture with respect to uses.

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

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

I II III
Coal Thermal energy Thermal plant
Uranium ______ Nuclear power plant
Water reservoir Potential energy ______
______ Kinetic energy Wind electricity plant
Concept: undefined - undefined
Chapter: [0.05] Towards Green Energy
[15]3 | Answer the following (any five) :
[3]3.A

Label the human respiratory system in the following figure:

Concept: undefined - undefined
Chapter: [0.02] Life Processes in Living Organisms Part -1
[3]3.B

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: undefined - undefined
Chapter: [0.07] Introduction to Microbiology
[3]3.C

Observe the following figure and answer the questions.

  1. Which property of stem cell is shown in the figure?
  2. Write the name of the cells or organs denoted by X and Y.
  3. What is the benefit of tissue/organ culture from stem cells?
Concept: undefined - undefined
Chapter: [0.08] Cell Biology and Biotechnology
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[3]3.D

Observe the given diagram and answer the questions given below.

  1. What is the name of machine given in the diagram?
  2. Write down the function of this machine in short.
  3. How does it gets/forms the motion?
Concept: undefined - undefined
Chapter: [0.05] Towards Green Energy
[3]3.E

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

  Air pollution Water pollution Soil pollution
Components Gases: CO2, CO, Hydrocarbons, Sulphur, NOx, Hydrogen sulphides etc.
Solid: dust, ash, carbon, lead, asbestos, etc.
   
Source   Industrial wastes, domestic wastes, sewage, chemicals discharged
from industries, pesticides used in agriculture.
 
Effect     Soil erosion, retarded growth of plants/ crops, Nutritional deficiency etc.
Concept: undefined - undefined
Chapter: [0.04] Environmental Management
[3]3.F
[1]3.F.i

Explain the following concept in short:

Asymmetrical body

Concept: undefined - undefined
Chapter: [0.06] Animal Classification
[1]3.F.ii

Explain the following concept in short:

Bilaterally symmetrical body

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

Define.

Stem cell

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

Complete the paragraph using proper words:

(Opportunities, mental stress, outdoors, indoors, discrimination, molestation, different, family, threats, violence)

Competition has increased in ______ for education, employment and business due to increase in population. Children are facing the problems of loneliness and ______ due to reasons like nuclear family and parents staying ______ due to job. There are many bindings on girls and excessive freedom for boys in some families. Boys enjoy the concession from their domestic duties whereas girls have compulsion for the same on the pretext that 'should be used to it. Do you see the advertisements about increasing awareness on avoiding the ______ between girls and boys or sister and brother in the same family on choice for fresh/left-over food, learning medium? In society too, adolescent girls have to unnecessarily face the problems like teasing and ______. Girls are facing the problem of stress due to such gender inequality. Nowadays, everyone has to face stress due to ever increasing disorder, crime, and ______.

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

Complete the following chart related to the components of the Ecosystem:

Concept: undefined - undefined
Chapter:
[5]4 | Answer any one of the following :
[5]4.A
[1]4.A.i

What is meant by asexual reproduction? 

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

What is the structural unit of sexual reproduction in plant?

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

Answer the following question.

What is pollination? Explain the different types of pollination.

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

What are the agents for pollination?

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

What is the function of calyx?

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[5]4.B

Answer the questions:

Ecosystem is formed by biotic and abiotic factors and their interactions with each other. Each factor plays very important role in the ecosystem.

  1. Name the different types of ecosystem. Give one example of each.
  2. What type of ecosystem is formed by ponds?
  3. What is the relationship between environment and ecosystem?
  4. How is environmental balance maintained?
  5. What is the impact of ecosystem destruction?
Concept: undefined - undefined
Chapter:

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