March 21, 2014

10th Class General Science - Biology Model Paper 2

10th Class Public Examinations for AP students are fast approaching. Here we are giving model question paper for General Science Paper - II (Biology). The question paper is for 50 marks and the duration of the exam is 2-30 minutes.

GENERAL SCIENCE PAPER - II : MODEL PAPER (English Medium)
Time: 2 1/2 Hours PARTS A & B Max. Marks: 50
Instructions:
1) Answer the questions under Part 'A' on a separate answer book.
2) Write the answers to the questions under 'Part B' on the question paper itself and
attach it to the answer book of Part 'A'.

Time: 2 Hours : Part - A : Marks: 35

SECTION - I

Note: 1) Answer any FOUR questions from each following.
2) Each question carries ONE marks. 4 × 1 = 4
1. What is Reaction centre?
2. What Nissels granules? Where are they located?
3. What is "Totipotency"?
4. What is "Fluorosis"?
5. Expand NIN.
6. What is Green House Effect?

SECTION - II

Note: 1) Answer ANY FIVE questions, choosing at least TWO from each group A
and B.
2) Each question carries TWO marks. 5 × 2 = 10

GROUP - A

7. Why there is more pressure in arteries than in veins?
8. Define photosynthesis. Write an equation for photosynthesis showing all the
requirements and the products formed.
9. What are plant growth substances? Give examples.
10. Why is damage in certain diseases like polio permanent?

GROUP - B

11. What is embryo rescue? When is this method followed?
12. What prevents self fertilization in Earthworm?
13. Describe the duties of village health guide?
14. What are the main reasons for Global Warming?

SECTION - III

Note: 1) Answer any four questions, choosing at least two from each group A and B.
2) Each question carries four marks. 4 × 4 =16

GROUP - A

15. How can we show that heat is liberated during respiration?
16. What are the differences between RBC and WBC?
17. Write in brief about Ivon Pavlov's experiment on dog to demonstrate
conditioned reflexes.
18. What is the importance of pituitary gland in the body? Mention the hormones
and their functions.

GROUP - B

19. What are the advantages of cell and tissue culture?
20. Why life skills are necessary for everyone to face the challenges of life
especially in the context of HIV, AIDS? Which life skills would you practice?
21. Describe the changes in the life cycle of malarial parasite, that occurs in
mosquito.
22. Mention the symptoms of fracture and the first aid for fractures.

SECTION - IV

Note: 1) Answer any ONE of the following questions.
2) This question carries FIVE marks. 1 × 5 = 5
23. Draw a neat labelled diagram of transverse section of leaf.
24. Draw a neat labelled diagram of longitudinal section of Datura leaf.

Time: 30 Minutes - Part : B - Marks: 15

Note: 1) Answer ALL the questions.
2) Each question carries 1/2 mark.
3) Candidates must use the capital letters while answering the multiple choice
questions.
4) Marks will NOT be awarded in case of any overwriting or re-writing or
erased answers.

I. Write the 'CAPITAL LETTER' (A, B, C, D) choosing the correct answer in the
bracket provided against each question. (10 × 1−2 = 5)
1. Plants are green because they ( )
A) refract green light B) absorb green light
C) reflect green light D) do not absorb UV light
2. Conversion of glucose to pyruvic acid yields a net gain of ( )
A) 2 molecules of ATP B) 36 molecules of ATP
C) 4 molecules of ATP D) 38 molecules of ATP
3. The cartilagenous rings that support the trachea of man are in the shape of
( )
A) J B) D C) O D) C
4. Apical dominance means ( )
A) Ferminal bud growing nonstop.
B) Terminal bud suppressing growth of lateral buds.
C) Removal of the apex of the stem.
D) Terminal and lateral branches grow equally.
5. Differentiation of callus tissue into different parts in tissue culture method is on
account of the choice of ( )
A) cells from parent plant
B) plant growth substances in the medium
C) containers used for the purpose
D) tissue selection from the parent plant
6. Endosperm nucleus forms from the fusion of male gamete with ( )
A) Egg B) Secondary nucleus
C) Zygote D) Synergids
7. Milt of frog consists of ( )
A) ova B) sperm mother cells
C) spermatozoa D) both ova and spermatozoa
8. When more than 20% of the body weight is due to fat the person is suffering
from ( )
A) Marasmus B) Kwashiorkor C) Scurvey D) Obesity
9. Inflammation of lymph vessels and lymph glands result in disease known as
( )
A) Malaria B) Filaria C) Encephalitis D) Hepatitis
10. "Wild Life Protection Act" was enacted in ( )
A) 1962 B) 1972 C) 1982 D) 1992

II. Fill in the blanks with suitable words: (10 × 1/2 = 5)

11. The end products of respiration are ....... substances for photosynthesis.
12. The largest artery in the body of man is .......
13. .... is the liquid connective tissue of the body.
14. A single circuit heart is found in .....
15. Adrenalin is secreted by the ...... of adrenal.
16. The largest part in the brain is .....
17. In earthworm, fertilization occurs in ......
18. Hormones that control menstrual cycle are secreted by ......
19. "Nature gives us resources to meet our needs, but not our greed", who said this?
20. The main reason for the extinction of sea organisms is .......

III. Match the following:

GROUP-A GROUP- B (5 × 1/2= 2 1/2 )
21. Glycosis ( ) a) Amoeba
22. Life span of RBC ( ) b) Pyruvic acid
23. Diffusion ( ) c) Ovulation
24. Totipotency ( ) d) Placenta
25. Ovum ( ) e) 120 days
f) respiration
g) New plant from a single cell

GROUP-A GROUP-B (5 × 1/2 = 2 1/2 )

26. Synergids ( ) a) Skeletal degradation
27. Anaemia ( ) b) First-aid
28. Esmarch ( ) c) Vitamins
29. Fluoride ( ) d) Helper cells
30. Biopiracy ( ) e) Fracture
f) Iron
g) Stealthy acquisition

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