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TS SSC Public Examination - General Science Paper - II Model Paper.

(i) The Question paper comprises of four sections - I, II, III and IV.
(ii) All Questions are compulsory.
(iii) There is no overall choice. However there is internal choice to the Questions under Section - I.
(iv) In the time duration of 2 hrs. 45 minutes, 15 minutes of time is exclusively allotted to read and understand the Question paper.

Section - I:
(i) Answer all the Questions.
(ii) Each question carries Four marks.
(iii) There is internal choice for each question. Only one option from each question is to be attempted.
(iv) Answer each question in 8 to 10 sentences. 4 × 4 = 16

1. The below experiment might have been conducted in your school. By recollecting this experiment answer the following questions:
a) Why was this plant kept in the dark room for week days before conducting experiment?
b) How KOH pellets were kept in the wide mouthed bottle?
c) Write any one of the precautions to be taken during this experiment.
d) What are the raw materials required for the process of photosynthesis?
What do you understand about cardiac cycle? Explain.

2. Write differences between Aerobic respiration and Anaerobic respiration.
Why dialysis is applied to some persons?
Which principle is involved in dialysis?

3. How can you justify the enteric nervous system as the second brain of the gut?
Who will be responsible for sex determination in human? How do you justify? Explain with the help of a flow chart.

4. Write about the plant growth hormones and their uses.
What principles would you suggest to save environment?

Section - II:
(i) Answer all the questions.
(ii) Each question carries TWO marks.
(iii) Answer each question in 4 to 5 sentences. 6 × 2 = 12

5. 'When we find a dip or hole on the road we slow down the vehicle'. Draw a flow chart of this Reflex arc.
6. Imagine what happens if diaphragm is not there in the body?
7. Suggest any three programmes on prevention of soil pollution in view of avoiding pesticides?
8. Which malnutrition disease effects if proteins are absent in your diet. State the disease characters.
9. If you visit a doctor what doubts would you like to get clarified about pancreas?
10. Write any two food chains from the following food relations

Section - III:
(i) Answer all the questions.
(ii) Each question carries one mark.
(iii) Answer each question in 1 to 2 sentences. 7 × 1 = 7

11. What is the role of acid in stomach?
12. What is the main reason for feeling pain in muscles after strenuous exercises?
13. Ramayya travelled from Hyderabad to Vijayawada in bus throughout the night. What changes can we observe in his legs?
What do we call this stage?
14. Write any two uses of Tannins.
15. Observe and write phenotype and genotype ratios from the following matrix.
16. What are Chorion, Amnion and Allantois?
17. When plants are exposed to external stimuli, they respond. What do we call this type of response?

Section - IV:
(i) Answer all the Questions.
(ii) Each question has FOUR choices. Choose the correct answer for each question and write the relevant alphabet (A, B, C, D) against the question number in your answer booklet.
(iii) Each question carries 1 / 2 mark. 10 × 1/2 = 5

18. The golden yellow coloured fluid left after the blood clotting.....
A) Plasma B) Serum C) Lipid D) Lymph
19. The animal with trachea....
A) Earthworm B) Bony fish C) Butterfly D) Salamandar
20. Gas that causes global warming .....
A) Oxygen B) Hydrogen C) CO2 D) Nitrogen
21. Reverse Peristalsis occurs in the following..
A)Tiger B) Squirrel C) Cow D) Cat
22. Substance which is used as medicine for snake bite ....
A) Reserpine B) Quinine C) Morphine D) Cobalamin
23. Example for Bio fuel ....
A) Coal B) Petroleum C) Jatropa D) Kerosene
24. The pH condition of saliva .....
A) Alkaline B) Acidic C) Neutral D) All the above
25. The concept of Ecological Pyramid was first proposed by ......
A) Charles Elton B) Lamarck C) Lindeman D) Steel
26. In Latin 'lymph' means .....
A) Blood B) Water C) Urine D) Plasma
27. The fusion of a sperm cell with an egg cell is ....
A) Fragmentation B) Fermentation C) Fertilization D) Fusion

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