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Science and Technology 2 Balbharati Model Question Paper Set 2 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 2]
Marks: 40 Maharashtra State Board
SSC (English Medium)
SSC (Marathi Semi-English)

Academic Year: 2018-2019
Date: March 2019
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[10]1
[5]1.1 | Attempt the following.
[1]1.1.i

Survival of fittest : Darwin : : Acquired characters : ..............................

Concept: undefined - undefined
Chapter: [0.01] Heredity and Evolution
[1]1.1.ii

Why the bryophytes are called as amphibians of kingdom plantae?

Concept: undefined - undefined
Chapter: [0.06] Animal Classification
[1]1.1.iii

Identify the odd. Stigma, Style, Pollen, Ovary.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[1]1.1.iv

What are stem cells?

Concept: undefined - undefined
Chapter: [0.08] Cell Biology and Biotechnology
[1]1.1.v

State whether true or false– Flow of nutrients in an ecosystem is unidirectional.

Concept: undefined - undefined
Chapter:
[5]1.2
[1]1.2.i

Write the correct option from the given multiple options.
We get ...................energy from carbohydrates.

9 kcal / gm

9 cal / gm

4 cal / gm

4 kcal / gm

Concept: undefined - undefined
Chapter: [0.02] Life Processes in Living Organisms Part -1
[1]1.2.ii

Write the correct option from the given multiple options.
Which of the following is not the source of green energy?

Wind

Natural gas

Sunlight

Fossil fuel

Concept: undefined - undefined
Chapter: [0.05] Towards Green Energy
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[1]1.2.iii

Write the correct option from the given multiple options.
Vegetative propagation is performed with the help of ..........................in sweet potato.
a) root
b) stem
c) leaf
d) flower.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[1]1.2.iv

Write the correct option from the given multiple options.
Which of the following vitamin is necessary for synthesis of NADH2?

Vitamin B2

Vitamin B5

Vitamin C

Vitamin K

Vitamin B3

Concept: undefined - undefined
Chapter: [0.02] Life Processes in Living Organisms Part -1
[1]1.2.v

Write the correct option from the given multiple options to each question.
Maximum effect of alcohol occurs on .. .. .. .. .. .. system.
a) nervous
b) excretory
c) respiratory
d) muscular

Concept: undefined - undefined
Chapter: [0.09] Social Health
[10]2 | Attempt the following (Any five)
[2]2.1

Write the forms to which following food materials are converted after digestion.
1.Milk
2. Potato.
3. Oil.
4. Chapati

Concept: undefined - undefined
Chapter: [0.02] Life Processes in Living Organisms Part -1 [0.13] Life's Internal Secrets
[2]2.2

Sketch and label the diagram showing self- and cross-pollination.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[2]2.3

If a piece of bread is kept in a container in moist place for 2 – 3 days,
1. What will you see?
2. Write scientific name and a character of the organism you may observe.

Concept: undefined - undefined
Chapter: [0.07] Introduction to Microbiology
[2]2.4

Observe the following picture and describe the type of reproduction shown in.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2
[2]2.5

Write any two points of differences between flat worms and round worms.

Concept: undefined - undefined
Chapter: [0.06] Animal Classification
[2]2.6

Explain the meanings of ‘symbols A’ & ‘B’.

Concept: undefined - undefined
Chapter: [0.04] Environmental Management
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[2]2.7

Which businesses will you start near the agro-tourism center?

Concept: undefined - undefined
Chapter: [0.04] Environmental Management
[15]3 | Attempt the following (Any five)
[3]3.1

Observe the picture and answer the following questions.
A) Which evidence of evolution is shown in the picture?
B) What can be proven with this proof?
C) Give one more example of evidence of evolution

Concept: undefined - undefined
Chapter: [0.01] Heredity and Evolution [0.16] Mapping Our Genes
[3]3.2

Write six strategies implemented by you for conservation of environment.

Concept: undefined - undefined
Chapter: [0.04] Environmental Management
[3]3.3

What is shown in the picture? Write name and trophic level of each component.

Concept: undefined - undefined
Chapter:
[3]3.4

Sketch and label human female reproductive system.
Is the woman responsible for sex-determination of child? Justify your answer.

Concept: undefined - undefined
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
[3]3.5

Answer the questions with the help of picture.
A) Which type of energy is produced?
B) This power plant is based on which energy source?
C) Is this power plant eco-friendly? How?

Concept: undefined - undefined
Chapter: [0.05] Towards Green Energy
[3]3.6

How the excessive use of social media and technology is proving harmful?

Concept: undefined - undefined
Chapter: [0.09] Social Health
[3]3.7

Where and in which forms the amino acids formed after digestion of food are used in the body?

Concept: undefined - undefined
Chapter: [0.02] Life Processes in Living Organisms Part -1
[5]4 | Attempt the following. (Any one)
[5]4.1


A) Which process is shown in the above figure?
B) Describe in brief the steps- I , II , III & IV.

Concept: undefined - undefined
Chapter: [0.08] Cell Biology and Biotechnology
[5]4.2

Observe the images ‘A’ & ‘B’ and answer the following questions.

i) Which disasters are shown in the images?
ii) Which primary precautions will you take in case of disaster shown in ‘A’?
iii) Which type of first-aid is offered to the injured peoples in disaster ‘B’?

Concept: undefined - undefined
Chapter: [0.1] Disaster Management

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