AP – SSC General Science Biology – EM Model Paper 2

SSC Public Examinations
General Science Paper – II (Biological Sciences)
Parts – A and B (Time: 2 1/2 hours Max. Marks: 50)
Part – A (Time: 2 hours Marks: 35)

Section – I

Note: 1.Answer any four questions from the following. 2. Each question carries one mark. (4 × 1 = 4)
1. What is agglutination of blood?
2. What is a reflex arc?
3. What is menstrual cycle?
4. Why the skin colour is yellowish in Jaundice?
5. What is incubation period?
6. What are the main reasons for Global Warming?

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. What is systole and diastole?
8. Why mitochondria is called ”power houses of the cell”?
9. How is the brain of human beings protected from injury?
10. Give an account of Cretinism.

Group – B
11. Earthworm is a bisexual animal, but prevents self fertilization. How?
12. What are the advantages of vegetative reproduction?
13. How does Calcium help our body?
14. What is Green House Effect?

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 do you prove that Carbon dioxide is essential for Photosynthesis?
16. Write a comparative account of Photosynthesis and Respiration.
17. What is the importance of Pituitary gland in the body? Mention the hormones and the functions of
this gland.
18. What is the role of hormones in plants?

Group – B
19. Describe the structure of a flower.
20. What are the modes of HIV transmission?
21. What are the effects of Kwashiorkor on children?
22. What are the functions of Primary Health Centre?

Section – IV
Note: 1.Answer any one of the following questions.
2. This question carries 5 marks. (1 × 5 = 5)
23. Draw a neat labelled diagram of internal structure of the human heart.
24. Draw a neat labelled diagram of human Spermatozoan.

Part – B (Time: 30 minutes – Marks: 15)
Note: 1. Answer all the questions.
2. Each question carries 1⎯2 marks.
3. Candidates must use the capital letters while answering the multiple choice questions.
4. Marks will not be awarded in case of any over writing 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.
1. 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

2. The structure that plays a major role in respiratory movements ( )
A) epiglottis B) sinus venous C) monocyte D) diaphragm

3. Normal blood pressure of human is ( )
A) 80/120 B) 100/120 C) 120/100 D) 120/80
4. Microscopic policemen of body are ( )
A) Erythrocytes B) Neutrophils C) Acidophils D) Platelets

5. The endocrine gland that is present in the head ( )
A) Adrenal B) Thyroid C) Pituitary D) Parathyroid

6. Foetus is connected to the wall of uterus of the mother by ( )
A) placenta B) umbilical cord C) fallopian tube D) epididymis

7. When both the male and female sex organs are present in the same animal, the phenomenon is called ( )
A) Sexual dimorphism B) Hermaphroditism C) Secondary sexual characters D) Unisexualism

8. Endosperm nucleus forms from the fusion of male gamete with ( )
A) Egg B) Secondary nucleus C) Zygote D) Synergids

9. Inflammation of lymph vessels and lymph glands result in disease known as ( )
A) Malaria B) Filaria C) Encephalitis D) Hepatitis

10. Carbon sinks ( )
A) grasslands B) forests C) villages D) cities

II. Fill in the blanks with suitable words: 10 × 1−2 = 5
11. In submerged plants, Carbon dioxide diffuses in the form of …………..
12. Plants trap ………….. energy and convert into chemical energy.
13. In women, ………….. play a major role in respiratory movements.
14. ………….. prevents the blood from clotting in blood vessels.
15. Neurons get nutrients from supportive cells called ………….. cells.
16. Haploid plants are obtained commonly by introducing ………….. in culture media.
17. Acrosome of spermatozoan helps in …………..
18. Excessive intake of Fluorine results in …………..
19. Yellow colour of urine is due to presence of ………….. pigment.
20. Growing trees along with agriculture in the farm is called …………..

Match the following: (5 × 1/ 2 = 2 1/2 )
Group-A Group- B
21. ATP ( ) a) Frog
22. Human heart ( ) b) Ovulation
23. Gibberellins ( ) c) Thyroid gland
24. Ovum ( ) d) Cardiac muscle
25. External fertilization ( ) e) Adenosine triphosphate
f) Sperm
g) Parthenocarpy ( seedless fruits)

Group- A Group-B (5 × 1/2 = 2 1/2)
26. Spawn ( ) a) Extinct bird
27. Measles ( ) b) Milt
28. Compound fracture ( ) c) Ionosphere
29. Ozone layer ( ) d) Open fracture
30. Dodo ( ) e) Group of eggs
f) Paramyxovirus
g) Biotechnology



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