POLYCET (2022) 4
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మీకు ఏవైనా కీ లోపాలు దొరికితే లోపాలు మాకు తెలియజేయడానికి వెనుకాడవద్దు.
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Question 1 of 30
1. Question
If the graphs of two equations are parallel then the equation are
a. Inconsistent
b. Consistent with unique solution
c. Coincident
d. All 
Question 2 of 30
2. Question
If the unit’s and ten’s digit of a two digit number are ‘y’ and ‘x’ respectively, then the number will be
a. 10x + y
b. 10y + x
c. x + y
d. xy 
Question 3 of 30
3. Question
One third of number is greater than one fourth of its successor by 1. That number is
a. 18
b. 15
c. 16
d. 12 
Question 4 of 30
4. Question
A two digit number is 4 times the sum of its digits and twice the product of its digits. That number is
a. 48
b. 36
c. 24
d. 72 
Question 5 of 30
5. Question
The difference of square of two numbers is 180. The square of the smaller number is 8 times the larger number. The biggest of the two numbers is
a. 16
b. 12
c. 14
d. 18 
Question 6 of 30
6. Question
Rs. 9000/ were divided equally among a certain number of persons. Had there been 20 more persons, each would have got Rs. 160/ less. The original number of persons are
a. 20
b. 35
c. 25
d. 45 
Question 7 of 30
7. Question
Half the perimeter of a garden, whose length is 4m more than its width, is ’36m’. The dimensions of the garden are
a. 22m and 14m
b. 20m and 16m
c. 24m and 12m
d. 26m and 10m 
Question 8 of 30
8. Question
7 audio cassettes and 3 video cassettes cost Rs.1110/, while 5 audio cassettes and 4 video cassettes cost Rs.1350/. Then the cost of an audio cassette and a video cassette together is
a. Rs 330/
b. Rs 310/
c. Rs 270/
d. Rs 340/ 
Question 9 of 30
9. Question
The pair of points which lie on either side of the line 5x + 4y = 20 is
a. (1, 1), (2, 2)
b. (4, 3), (3, 4)
c. (1, 1), (3, 0)
d. (1, 1), (3, 3) 
Question 10 of 30
10. Question
67. A point which satisfies the linear equation x – 2y + 2 = 0 is
a. (2, 1)
b. (4, 3)
c. (6, 4)
d. (0, 1) 
Question 11 of 30
11. Question
An emission spectrum consists bright spectral lines on a dark background . Which one of the following doesn’t corresponding to bright spectral lines ?
a. Energy of emitted radiation
b. Frequency of emitted radiation
c. Velocity of light
d. Wavelength of emitted radiation 
Question 12 of 30
12. Question
Which colour flame does strontium chloride produce ?
a. Crimson red
b. Green
c. Apple green
d. Light blue 
Question 13 of 30
13. Question
‘n’ and ‘l’ values for some orbitals are given. Which of the following orbitals has highest energy ?
a. n = 2 , l = 0
b. n = 3 , l = 2
c. n = 4 , l = 0
d. n = 3 , l = 1 
Question 14 of 30
14. Question
Which of the following has least energy ?
a. 4p
b. 3s
c. 6s
d. 5s 
Question 15 of 30
15. Question
Which of the following quantum number give size and energy of orbital ?
a. ms
b. ml
c. l
d. n 
Question 16 of 30
16. Question
Which of the following are noble gases?
a. All
b. He
c. Rn
d. Ne 
Question 17 of 30
17. Question
Which of the following quantum number is related to the size and energy of the main shell ?
a. Spin quantum number(ms)
b. Angularmomentum quantum number(l)
c. Magnetic quantum number(ml)
d. Principal quantum number(n) 
Question 18 of 30
18. Question
In an electromagnetic wave electric, magnetic fields are———to each other
a. Parallel
b. Intersects
c. Perpendicular
d. Collinear 
Question 19 of 30
19. Question
Noble gases belongs to …………group
a. V A
b. VIII A
c. VI A
d. VII A 
Question 20 of 30
20. Question
How many elliptical orbits are possible for a given value i.e, n=6 ?
a. 3
b. 5
c. 7
d. 4 
Question 21 of 30
21. Question
The graphic representation of the feeding level structure of an ecosystem by taking the shape of a pyramid is known as
a. Pyramid of energy
b. Pyramid of numbers
c. Ecological pyramid
d. Pyramid of biomass 
Question 22 of 30
22. Question
Pick out the wrong pair
a. Charles Elton – Ecosystem
b. Charles Darwin – Evolution
c. Lavoisier – Respiration is a combustion process
d. Priestly – Reproduction 
Question 23 of 30
23. Question
Example of bio fuel is
a. Coal
b. Jatropa
c. Petroleum
d. Kerosene 
Question 24 of 30
24. Question
“Ban all pesticides”means
a. Control an usage of pesticides
b. Prevention of pesticides
c. Stop biochemical factories
d. Promote Ecofriendly agricultural pesticides 
Question 25 of 30
25. Question
Consider the following
It would be better to reduce the reproductive capacity of male insects
Crop rotation method is the best practice.
a. Only 1 is true
b. Only 2 is true
c. Both 1 & 2 are true
d. Both 1 & 2 are false 
Question 26 of 30
26. Question
Fossil fuels are formed by anaerobic decomposition of buried
a. Plants
b. Animals
c. Dead bodies
d. All 
Question 27 of 30
27. Question
Identify the correct statement
a: The factor which determine the ecosystem are rainfall,temperature,sunlight
b. Forests are associated with high rainfall
a. a
b. b
c. Both a,b
d. None 
Question 28 of 30
28. Question
The length of twisty channel upputeru which connects kolleru lake with Bay of Bengal
a. 80 km
b. 55 km
c. 79 km
d. 65 km 
Question 29 of 30
29. Question
In pyramid each bar represents
a. Number of individuals at each tropic level
b. Number of individuals at all tropic level
c. Number of all things at each tropic level
d. None 
Question 30 of 30
30. Question
Which of the following do plants not complete for ?
a. Water
b. Food
c. Space
d. All