Sample paper Science and Technology part-2 set-1

Science and technology sample question paper based on Maharashtra state board - 2019

Exam

Instructions:

1. It is necessary to solve all the questions.

2. Draw neat and labelled diagrams wherever necessary.

3. Start every new main question on separate page.

4. Figures on the right indicate marks.

5. For each Multiple Choice Question (1.B), ONLY first answer will be considered.

6. Write answer of each MCQ with option number.

Eg. i) a………. ii) c…………

Sample paper 2                                                                              Time:2Hours Std 10th                         Sub. Science and Technology -2                   Marks: 40

Que. 1 A) Attempt the following.                                                                       [5]

i)                    Skin: Keratin  :: Blood: .................................

ii)                Rewrite the food-chain given below with correct sequence.

 Grasshopper – Snake – Paddy field – Eagle – Frog

iii)               Mention any one benefit of biotechnology to the agriculture.

iv)              IT Act 2000 is to control the......................

v)                 Complete the following flow-chart.

    

Que. 1. B) Write the correct option from given multiple choices.                     [5]

i)                    What should be done if the gas cylinder at your home catches fire?

a) Water should be sprinkled.                         b) Sand, soil should be put at it.

c) Cylinder should be covered with wet blanket.       d) One should run away.

ii)  In which of the following industries, microbial enzymes are not used?

a)     Glass industry. b) Cheese industry c) Tanning industry. d) Paper industry.

iii)  Which of the following is not an unisexual flower?

a) Coconut b) Papaya c) Gulmohor d) Maize

iv)  Which of the following is used in solar cooker to harvest the solar energy?

a) Solar panels b) Silicon cell c) Mirrors d) Glass lid

v) Which of the following is first example of class Homo sapiens?

a) Neanderthal b) Dryopithecus c) Cro Magnon d) Ramapithecus

Q2)   Answer the following questions. (Any five)                                                [10]

a.     Explain with examples types of asexual reproduction in unicellular organism.

b.     Write the factors affecting environment.

c.      Write the names of biodiversity hot spots.

d.     What are the advantages and limitations of solar energy?

e.      Write the types and examples of biodiversity

f.       Explain the concept of IVF.

Q3)   Answer the following questions (any five)                              [15]

     a)     Define fossil. Explain importance of fossils as proof of evolution.

    b)    Explain the glycolysis in detail.

    c)     Explain with diagram step-by-step energy conversion in Thermal power plant

    d)    Write evolutionary history of modern man.

    e)     Write a short note on Darwin’s theory of natural selection.

     f)      Explain sexual reproduction in plants.

Q4)   Attempt any one of the following                                                     [5]

      a)     With the help of suitable diagrams explain the mitosis in detail.

      b)    Explain the Kreb's cycle with reaction.

Also read sample paper science and technology-1