AP Class 10 Model Paper 2022 Biology (English Medium)

BLUE PRINT FOR MODEL PAPER
Subject : GENERAL SCIENCE (Paper - II) Max. Marks : 50 Time : 2 hrs.45min

TABLE 1

WEIGHTAGE FOR ACADEMIC STANDARDS

SL.NO. ACADEMIC STANDARD WEIGHTAGE MARKS

1 AS1 40% 20

2 AS2 10% 05

3 AS3 15% 7/8

4 AS4 15% 7/8

5 AS5 10% 05

6 AS6 10% 05

100% 50

TABLE 2

TYPE OF QUESTIONS

SL.NO. TYPE OF QUESTION MARKS QUESTION NO.s TOTAL MARKS

1 VERY VERY SHORT 1/2 1 - 12 06

2 VERY SHORT 1 13 - 20 08

3 SHORT 2 21 - 28 16

4 ESSAY 4 29 - 33 20

TOTAL 33 50

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MODEL PAPER FOR 20E

SSC PUBLIC EXAMINATIONS - 2022
GENERAL SCIENCE : PAPER - II (English Version)

Class : X Max.Marks : 50 Time : 2.45 Hrs

Instructions :
1. First 15 minutes are allotted for reading the question paper and remaining 2:30 minutes are for
writing answers.
2. Answer all the questions in the given booklet.
3. The question paper consists of four sections and 33 questions.
4. Section four has internal choice.

SECTION - I 12 × ½ = 6 M
2. Each question carries ½ mark

1. H2O oH+ + OH-
Which phase of photosynthesis, does the above equation indicate ?
2. What are the specialized roots in mangroves ?
3. What is the use of Sphygmomanometer ?
4. Expand the term “ESRD”.
5. Pericardial membrane : Heart : : Meninges : ............................
6. The process of evaporation of water through the leaves is called ...................
7. Observe the flow chart and identify ‘A’
Glomerular Tubular Formation of hyper
o o A o
filtration reabsorption tonic urine
8. Choose the wrong pair from the following.

Root - Hydrotropism

Tendrils - Geotropism

Pollentube - Chemotropism

9. What does this logo represent?

10. Grass o Grass hopper o Frog o Snake o Hawk

Identify the primary consumer in the above food chain.

11. Give an example for homologous organs.
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12. Which of the following is a permanent contraceptive method in females ?

A) Vasectomy B) Copper - T C) Pills D) Tubectomy

SECTION - II 8×1=8M

2. Each question carries 1 mark.

13. Name the materials used in your laboratory to observe the sporangium in rhizopus?
14. Why is human being known as the “moving museum” of vestigial organs ?
15. Write any two uses of ‘Latex’ in our daily life ?

16.

Which process does the above picture indicate ?
17. What are the excretory organs in Annelids ?
18. Write the enzymes that act on proteins.
19. Ravi is a 10 year old boy. He is habituated to over eating with out any physical work. Guess and write
what problem he will face in future.
20. What is synapse ?

SECTION - III 8 × 2 = 16 M

2. Each question carries 2 marks.

21. Guess and write. What will happen if we remove predators from a food web ?
22. If you have a chance to meet a pulmonologist, what questions do you ask about respiratory diseases ?
23. Fill up the following table with suitable information and mention their traits.

Note : “TT” pure breed tall plant
“tt” pure breed dwarf plant
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24. Read the following table and answer the given questions ?

S.No. Name of the person Symptoms

1. Raju Delay in blood clotting
2. Sreenu Night blindness

3. Padma Mouth cracks at corners

i) Who is suffering from the deficiency of Riboflavin?
ii) Suggest suitable food materials to Sreenu for the improvement of vision.

25. Write some slogans to create awareness among the people about “Biodiversity”.
26. Give suggestions to prevent AIDS.

27. Write any two functions of cerebrum.

28. Observe the set of apparatus and answer the following questions ?

i) What is the aim of this experiment.

ii) Which chemical is used to test the presence of oxygen ?

SECTION - IV 5 × 4 = 20 M

2. Each question has internal choice

3. Each question carries 4 marks.

29. Why should we conserve forests and wild life ?

Write the differences between “Arteries and Veins”.

30 Write about some programmes for the prevention of soil pollution by avoiding the use of pesticides.
Explain the process of absorption of water by the root hairs through osmosis.

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31. Observe the following chart and answer the following questions.

i) What does the above chart indicate ?
ii) How many pairs of chromosomes are there in human beings ?
iii) Which chromosomes are known as sex chromosomes ?
iv) Who plays an important role in the determination of sex in human beings?
Observe the following chart and answer the following questions.
Group - A Group - B
Auxins Somatotrophin
Cytokinins Thyroxine
Gibberellins Testosterone
Abscisic acid Adrenaline

Ethylene Insulin

i) Which hormone is responsible for the secondary sexual characters in males ?
ii) Which hormone is responsible for the growth of bones in human beings ?
iii) Which hormone regulates the closing and opening of stomata ?
iv) Name any four plant growth substances.
32. How do you prove that carbondioxide is released during respiration in sprouted seeds?
Observe the set of apparatus and answer the following questions.
i) What does this experimental setup indicate ?
ii) Which chemical is used in the bottle ?
iii) Which part of the leaf changes its colour at the end of the experiment ? Why ?
iv) What happens if this experiment is conducted in dark ?

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33. Draw a neat labelled diagram of longitudinal section of a flower
Observe the following diagram and answer the following questions.

Y

X

i) To which system, does the above diagram related ?
ii) Identify the endocrine gland in the picture and name the hormone secreted by that gland.
iii) Which part in the above system differs in length in males and females ?
iv) Label the parts ‘X’ and ‘Y’.

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