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POLYCET (2022) -1
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మీకు ఏవైనా కీ లోపాలు దొరికితే లోపాలు మాకు తెలియజేయడానికి వెనుకాడవద్దు.
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Question 1 of 30
1. Question
The number of prime factors present in the prime factorization of 5005 are
a. 5
b. 3
c. 4
d. 2 -
Question 2 of 30
2. Question
The highest power of the prime number in the prime factorization of 163800 is
a. 5
b. 1
c. 2
d. 3 -
Question 3 of 30
3. Question
Logarithm of unity to any base is
a. 0
b. 1
c. 10
d. undefined -
Question 4 of 30
4. Question
The prime numbers exist in the prime factorization of 1584 are
a. 2, 3 and 7
b. 2, 3 and 11
c. 5, 7 and 11
d. 2, 3, 7 and 11 -
Question 5 of 30
5. Question
The sum of the exponents of all primes, in the factorization of 156 is
a. 3
b. 6
c. 4
d. 5 -
Question 6 of 30
6. Question
The largest positive integer that will divide 398, 436 and 542 leaving remainders 7,11 and 15 respectively is
a. 17
b. 19
c. 13
d. 15 -
Question 7 of 30
7. Question
The HCF of 18, 24, 60, 150 is
a. 3
b. 6
c. 4
d. 5 -
Question 8 of 30
8. Question
The number of rational numbers exist between any two rational numbers are
a. 1
b. 2
c. Infinite
d. 0 -
Question 9 of 30
9. Question
The LCM and HCF of two numbers are 22338 and 9 respectively. One of the two numbers is 306. The other number is
a. 657
b. 457
c. 384
d. 726 -
Question 10 of 30
10. Question
The combined set of rational and irrational numbers is denoted by
a. R
b. Q
c. Q’
d. C -
Question 11 of 30
11. Question
Half leaf experiment is used to demonstrate the requirement of this for photosynthesis
a. Carbon dioxide
b. Oxygen
c. Sunlight
d. Water -
Question 12 of 30
12. Question
Photosynthesis occurs maximum in
a. Blue and red light
b. Green and red light
c. Blue and green light
d. Only in green light -
Question 13 of 30
13. Question
In photosynthesis , what colours of light is absorbed more
a. Violet and green
b. Red and green
c. Blue and red
d. Blue and green -
Question 14 of 30
14. Question
Which part of the Dodder plant cuscuta forms haustoria ?
a. Root
b. Stem
c. Leaf
d. All the above -
Question 15 of 30
15. Question
Salivary amylase acts in this medium
a. Alkaline
b. Acidic
c. Neutral
d. All the above -
Question 16 of 30
16. Question
This vitamin is abundantly available in carrot, tomato, pumpkin, papaya
a. Vitamin-C
b. Vitamin-D
c. Vitamin-A
d. Vitamin-E -
Question 17 of 30
17. Question
Variegated leaf experiment helps to demonstrate the essentiality of this for photosynthesis
a. Light
b. Chlorophyll
c. Oxygen
d. Carbon dioxide -
Question 18 of 30
18. Question
Fats are emulsified by
a. Bile juice
b. Pancreatic juice
c. Intestinal juice
d. All the above -
Question 19 of 30
19. Question
The chemical name of vitamin ‘E’ is
a. Retinol
b. Calciferol
c. Tocoferol
d. Phylloquinone -
Question 20 of 30
20. Question
Proteins in the food are digested by
a. Pepsin
b. Trypsin
c. Lipase
d. Pepsin, Trypsin -
Question 21 of 30
21. Question
If 200 cal. heat energy is required 40 grams of liquid to its gaseous state then the latent heat of vaporization is
a. 4 cal/g
b. 5 cal/g
c. 8000 cal/g
d. 240 cal/g -
Question 22 of 30
22. Question
For same change in temperature the amount of heat(Q) absorbed by a substance is _____ to its mass.
a. Equal
b. Directly
c. Inversely proportional
d. Not proportional -
Question 23 of 30
23. Question
If we keep a metal piece and a wooden piece in the refrigerator which one get colder ?
a. Metal piece
b. Wooden piece
c. Both get colder
d. None -
Question 24 of 30
24. Question
The water droplets condensed on surface is known as
a. Humidity
b. Dew
c. Moisture
d. All -
Question 25 of 30
25. Question
What is the S.I. unit of heat ?
a. Joule
b. Calorie
c. Kelvin
d. Celsius -
Question 26 of 30
26. Question
Rate of evaporation of liquid depends upon
a. Surface area
b. Temperature
c. Water vapour in surrounding air
d. All -
Question 27 of 30
27. Question
Specific heat of lead in J/Kg-K is
a. 128
b. 130
c. 391
d. 882 -
Question 28 of 30
28. Question
Glass specific heat is
a. 504 J/kg
b. 10.12 J/kg
c. 0.13 J/kg
d. 0.22 J/kg -
Question 29 of 30
29. Question
Temperature measured on which scale is called absolute temperature.
a. Celsius scale
b. Kelvin scale
c. Fahrenheit scale
d. All -
Question 30 of 30
30. Question
What is the reason for hotness of samosa inside and coldness outside
a. Low specific heat
b. High specific heat
c. Outside layer has high specific heat
d. We can’t tell