Sample paper Science and Technology part-2 set-2

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

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

ii.                  Why the bryophytes are called as amphibians of kingdom plantae?

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

iv.            What are stem cells?

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

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

 i)  We get ...................energy from carbohydrates.

a) 9 kcal / gm b) 9 cal / gm c) 4cal / gm d) 4 kcal / gm

ii)  Which of the following is not the source of green energy?

a)     Wind. b) Natural gas. c) Sunlight. d) Fossil fuel.

iii) Vegetative propagation is performed with the help of ..........................in sweet potato.

a)     Root b) stem c) leaf d) flower.

iv) Which of the following vitamin is necessary for synthesis of NADH2?

a)     Vitamin B2 b) Vitamin B5 c) Vitamin C d) Vitamin K

v)  Maximum effect of alcohol occurs on..... .. .. .. .. System.

a) Nervous b) excretory c) respiratory d) muscular

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

1. Write the forms to which following food materials are converted after digestion.

i. Milk ii. Potato. iii. Oil. iv. Chapati

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

3. If a piece of bread is kept in a container in moist place for 2 – 3 days,

          i. What will you see?

ii. Write scientific name and a character of the organism you may observe.

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

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

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

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

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

2. Write six strategies implemented by you for conservation of environment

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

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

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

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

Q4)   Attempt any one of the following                                               [5]

      1.    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’?

       2.       With the help of suitable diagrams, explain the mitosis in detail.

    


       Also read sample paper science and technology part 1 set -2

     Also read sample paper science and technology part 2 set 1
     
    Also read sample paper science and technology part 1 set 1