apopenschool.org : Senior Secondary Biology Question Paper Model AP Open School Society
Board : Andhra Pradesh Open School Society
Exam : Senior Secondary Biology
Document type : Model Question Paper
Website : apopenschool.org
Download Sample/ Model Question Papers :https://www.pdfquestion.in/uploads/6080-Intermediate%20Model%20Question%20Papers.pdf
Biology Question Paper :
APOSS- INTERMEDIATE Biology (THEORY)
MODEL QUESTION PAPER
(ENGLISH VERSION)
Related : AP Open School Society Senior Secondary Chemistry Question Paper Model : www.pdfquestion.in/6084.html
Time : 3 hrs Max. Marks: 80
Instructions to Candidates :-
1) Answer all Questions in Section-A
2) Answer any Six questions in Section – B
3) Answer any three questions in Section – C
4) Answer all these questions in same order (1 to 16).
SECTION – A
Answer all the Questions. 2 x 16 = 32
Each question carries 2 marks.
1) What is a tissue- Name the tissue which helps in absorption-
2) Name any two biochemical reactions involved in the biosynthesis
3) What is meant by haemodialysis.
4) Draw a neat labelled diagram of Stomata
5) Define the term “Genetic Code”-
6) Give two examples for turgor movements
7) Explain any two methods of cross pollination
8) Write the steps involved in the recombinant DNA technology
9) Define the term “Ecology”-
10) Differentiate the macro from micronutrients
11) Write the differences between broad spectrum and narrow spectrum antibiotics.
12) State the two approaches of human gene therapy
13) What is a Herbarium –
14) Mention any two differences between the compound microscope
15) How are the Drosophila transferred from one culture bottle to another –
16) Mention any two medicinal plants with their scientific names.
SECTION– B
Answer any Six questions. Each question carries 4 marks. 4 x 6 = 24
17) Explain the differences between plant cell and animal cell
18) Name the suicidal bag of the cell- Explain its structure and function
19) What are the reactions involved in glycolysis.
20) How does thermoregulation take place in man and animals.
21) Draw a neat and well labelled diagram of the L.S. of ovule.
22) What are the effects of global warming.
23) Mention any four bacterial diseases in man and their causative
24) Describe the steps involved in the production of Bio-gas and mention the precautions to be taken.
SECTION- C
Answer any three questions.
Each question carries 8 marks. 8 x 3 = 2425) Explain the process of cellular respiration in man.
26) Draw a neat and well labelled diagram of the T.S. of monocot leaf.
27) How does the population growth influence the urbanization and environmental degradation in our country ?
28) “Agriculture is said to play a major role in providing the important human nee”, Discuss it. INTERMEDIATE (APOSS) (Practicals) and Teaching Learning Material (TLM)
Samples :
1) Hemitoxilin
2) Saframin
3) Leishman’s stain
4) Soils (Clay Soil & Red Soil)
5) Iodin Solution
Slides :
1) T.S. of Monocot Stem
2) T.S. of Dicot Stem
3) T.S of Monot root
4) T.S. of Dicot root
5) Different stages of Mitosis slides
6) Different stages of Meosis slides
7) T.S of bone
8) T.S. of Costilege
9) T.S. of Mammalian ovary
10) Human blood cells
11) T.S of Mammalian Testis
12) Stranted muscle fibres
Specimen :
1) Sponze
2) Earth worm
3) Star fish
4) Dog fish
5) Toad
6) Bat
7) Rohu
8) Pirtia
9) Opentia
10) Ginger
11) Lemon
12) Pitcher plant
Experiments in Biology : (Practicals)
1. Demonstration of Photosynthesis process in an aquatic plants
2. Preparation of slides of Onion-root tip for observation of stages of mitosis.
3. Demonstration of osmosis by Potato- Osmometer
4. Study about the salivary amylase on starch
5. Preparation of temporary mount of onion peel to observe and study epidermal cell.
Physics Question Paper :
1. Why does the car with a flattered tyre stops sooner than the one inflated tyres ?
2. Modern air crafts fly at heights upwards of 10 km. Calculate the value of ‘g’ at that altitude. Given the radius of the earth is 6400 km and the value of ‘g’ on the surface of the earth is 9.8 ms-2.
3. How does kerosene oil raise in the wick of a lantern ?
4. Why do two layers of cloth of equal thickness provide warmer covering than a single layer of cloth of double the thickness ?
5. Distinguish between transverse and longitudinal waves.
6. State Lenz’s law.
7. When current drawn from a cell increases, the potential difference between the cell electrodes decreases, Why ?
8. Define total internal reflection and write the relation between critical angle and refractive index of the media ?
9. Calculate the focal length of a lens if the radii of curvature of its two surfaces are +20 cm and -25 cm. (u = 1.5) ?
10. An electron is accelerated through a P.D. of 182 volt. Calculate its associative wave length.