Maharashtra SSC Science and Technology Part 2 Board Paper July 2025

Q.1 (A)(i) Our muscle cells perform ................... type of respiration during exercise.

Q.1 (A)(ii) Which of the following animals can regenerate its broken body part ?

Q.1 (A)(iii) Government of India has encouraged the ............... for improving the productivity by launching NKM-16.

Q.1 (A)(iv) At the district level .................. is responsible for disaster management and implementation of rehabilitation schemes.

Q.1 (A)(v) ...................... of West Bengal is reserved for tigers.

Q.1 (B)(i) State whether the following statement is True or False :
Evolution is the gradual change occurring in living organisms over a long duration.

Q.1 (B)(ii) Write the name of any one sexual disease.

Q.1 (B)(iii) Select odd man out :
Gutkha, Yoga, Alcoholic drinks, Cigarette.

Q.1 (B)(iv) Fill in the box with proper word :

[Flow chart: ‘Kinetic Energy in wind’ → [blank box] → ‘Electric energy’.]

Q.1 (B)(v) Match the correct pair :

Q.2 (A)(i) Give scientific reason : Some of the organs in human body are most valuable.

Q.2 (A)(ii) Give scientific reason : Hydroelectric energy, solar energy and wind energy are called renewable energies.

Q.2 (A)(iii) Give scientific reason : Fibres are one of the important nutrients.

Q.2 (B)(i) Observe the given animals and answer the questions :

[Fig. A: a lizard-like reptile with four sprawling limbs and a long tail. Fig. B: a snake-like reptile with an elongated curved body and a small reduced limb (vestigial pelvic spur) near the middle of the body.]

(a) Identify the animals shown in above figure.
(b) State the type of evidence of evolution related to above animals.

Q.2 (B)(ii) Complete the table :

Q.2 (B)(iii) Fill in the box with proper word :

[Chart: ‘Asexual reproduction in multicellular organisms’ with an arrow dividing into two empty boxes.]

Q.2 (B)(iv) Give two examples of each :
(a) Physical problems arising due to excessive use of mobile phones.
(b) Activities under the jurisdiction of cyber crime laws.

Q.2 (B)(v) Write any two objectives of disaster management.

Q.3 (i) Distinguish between Sexual reproduction and Asexual reproduction.

Q.3 (ii) Complete the chart :

[Chart: three boxes at the top — ‘Lipids’, ‘Carbohydrates’, ‘Proteins’. Lipids → box a; Carbohydrates → ‘Glycolysis’ → box c → box d → box e → box f. Proteins → box b, and the arrows from a and b join box d.]

Q.3 (iii) Answer the following questions :
(a) Define vestigial organs.
(b) Write names of any two vestigial organs in human body.
(c) Write the names of any two vestigial organs which are non-functional in human beings but functional in other organisms.

Q.3 (iv) Complete the following flow chart :
(a) Generation of electrical energy using thermal energy :

[Flow chart: ‘Fuel Coal’ → [blank] → [blank] → ‘Generator’ → ‘Electrical energy’, with a long blank box below joined by arrows to the first and second boxes.]

(b) Energy transformation in thermal power plant :

[Flow chart: ‘Chemical energy in coal’ → [blank] → [blank] → [blank] → ‘Electrical energy’.]

Q.3 (v) Complete the paragraph with the help of words given in the bracket :
(Lactobacillus cremoris, Protease, Cow, Vegetarian, microbiological, rennet, Geobacter, Saccharomyces)
Cheese is produced on large scale from the abundantly available ................. milk all over the world. First chemical and .................... tests of milk are performed. Some colours and microbes like Lactobacillus lactis, .................... and Streptococcus thermophilus are mixed with milk. It imparts sourness to the milk. After this, to impart the dense texture, whey needs to be removed. An enzyme ................. obtained from alimentary canal of cattle was being traditionally used earlier. However an enzyme ............... obtained from fungi is used at present to produce ............ cheese.

Q.3 (vi) Write a short note on the importance of medicinal plants.

Q.3 (vii) Explain the importance of good communication with others.

Q.3 (viii) Identify the type of disaster and write its effect :
(a) Terrorism
(b) Forest fire
(c) Theft.

Q.4 (i) Complete the following flow chart explaining my role in environmental conservation :

[Chart: ‘My Role in Environmental Conservation’ in the centre with six boxes joined to it — ‘Conservation’ is already written in the first box, the other five are blank.]

Q.4 (ii) Observe the following picture. Write the answers of the following questions :

[Fig. A: a fish with a spindle-shaped body, fins and a tail fin. Fig. B: a pigeon with feathers, wings, a beak and scaly legs.]

(a) Identify the class of animals shown in above picture.
(b) Which similarities are shown in above animals from the adaptation point of view ?
(c) Why these animals are included in different classes inspite of their similarities ?