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POLYCET (2022) - 8
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మీకు ఏవైనా కీ లోపాలు దొరికితే లోపాలు మాకు తెలియజేయడానికి వెనుకాడవద్దు.
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Question 1 of 30
1. Question
In the figure DE || BC and AD : DB = 1 : 2 then ∆ADE : ∆ABC =
a. 1 : 4
b. 1 : 9
c. 4 : 1
d. 2 : 9 -
Question 2 of 30
2. Question
What are the exterior and the interior angles of an equilateral triangle in degrees?
a. 130, 60
b. 45, 45
c. 60, 60
d. 120, 60 -
Question 3 of 30
3. Question
∆ABC and ∆DEF are similar, AX, DY are medians. The ratio of areas of ∆ABC : ∆DEF = 4 : 9. If BX = 5 cm then find EF
a. 15
b. 13
c. 14
d. 12 -
Question 4 of 30
4. Question
A ladder 15 m long reaches a window which is 9 m above the ground on one side of a street. Keeping its foot at the same point, the ladder is turned to other side of the street to reach a window 12 m high. Find the width of the street
a. 21 m
b. 23 m
c. 15 m
d. 30 m -
Question 5 of 30
5. Question
In ∆DEF, PQ || EF, PE = 3 cm, PD = 1.5 cm the find QF.
a. 4DQ
b. 3DQ
c. DQ
d. 2DQ -
Question 6 of 30
6. Question
Two triangles ABC and PQR are similar. If AB = 3.6, PQ = 2.4 and PR = 5.4, then the value of AC is
a. 3.6
b. 5.4
c. 7.8
d. 8.1 -
Question 7 of 30
7. Question
The lengths of diagonals of a rhombus are 24 cm and 32 cm then the perimeter of rhombus is
a. 220
b. 120
c. 112
d. 180 -
Question 8 of 30
8. Question
In an isosceles triangle PQR, PR = QR and PQ2 = 2PR2 then angle R in degrees
a. 90
b. 30
c. 45
d. 60 -
Question 9 of 30
9. Question
Two triangles ABC and PQR are similar. If AB = 3.6, PQ = 2.4 and PR = 5.4, find AC
a. 7.1
b. 6.1
c. 8.1
d. 5.1 -
Question 10 of 30
10. Question
If a man walks 6m to East and 8m to North. Now he is at a distance of ___ from origin point
a. 14 m
b. 2 m
c. 10 m
d. 48 m -
Question 11 of 30
11. Question
Magnesium loses this number of electrons to obtain neon configuration
a. 1
b. 0
c. 2
d. 3 -
Question 12 of 30
12. Question
Which of the following statements about an element whose atomic number is 16 is wrong ?
a. It is a non-metal
b. It is a non-metal with a valency of 2
c. It forms a hydride of formula H2X
d. It forms covalent compound when reacts with sodium -
Question 13 of 30
13. Question
Which of the following forces are the strongest ?
a. Ion – dipole forces
b. H – bond forces
c. Ion – ion forces
d. Dipole – dipole forces -
Question 14 of 30
14. Question
Noble gases belongs to this group
a. VIII A
b. V
c. VI A
d. VII A -
Question 15 of 30
15. Question
Which compounds exhibit high melting and boiling points ?
a. Chemical compound
b. Chemical compound & Ionic compound
c. Ionic compound
d. None -
Question 16 of 30
16. Question
What are true about Lewis dot structures of molecules ?
a. All
b. Octets of both the atoms get completed
c. Each bond is formed as a result of sharing of an electron pair between the atoms
d. Each combining atom contributes one electron to the shared pair -
Question 17 of 30
17. Question
Ionic bond is formed between atoms of elements with electronegativity differences————–
a. <1.9
b. <1.7
c. >1.7
d. >1.9 -
Question 18 of 30
18. Question
Nitrogen forms a ………….covalent bond
a. None
b. Double
c. Single
d. Triple -
Question 19 of 30
19. Question
The shape of the ammonia molecule is
a. Linear
b. Tetrahedral
c. Pyramidal
d. Trigonal planar -
Question 20 of 30
20. Question
Electrons in ………….shell orbit are called valence electrons
a. No shell provide
b. Inner most
c. Outer most
d. None -
Question 21 of 30
21. Question
Find wrong statement about meiosis
a. Meiosis has 2 stages
b. Meiosis occurs during gamete formation
c. Four daughter nuclei formed
d. All -
Question 22 of 30
22. Question
Pathway of sperm release from testes is
a. Epididymis, Seminal duct, Urethra
b. Epididymis, Urethra, Seminal duct
c. Urethra, Epididymis, Seminal duct
d. Seminal duct, Epididymis, Urethra -
Question 23 of 30
23. Question
Condom provides protection against
a. Infection diseases
b. Tropical diseases
c. Viral diseases
d. Sexually transmitted diseases -
Question 24 of 30
24. Question
In asexual reproduction of the following group , a large number of spores are formed in special structures
a. Fungi
b. Fern
c. Mosses
d. All the above -
Question 25 of 30
25. Question
Breast feeding is the best feeding because it
a. Enhances immunity
b. Protects against allergies
c. Reduces chances of immediate pregnancy
d. All -
Question 26 of 30
26. Question
The main purpose of sexual reproduction are
a. Single organism
b. Only mitotic division
c. Formation of gametes
d. Production of identical offspring resembling parent -
Question 27 of 30
27. Question
Organisms are capable of giving rise to offspring by the process of
a. Nutrition
b. Reproduction
c. Excretion
d. Circulation -
Question 28 of 30
28. Question
Carpels produce female sex cells in
a. Androecium
b. Pistil
c. Ovules
d. Seeds -
Question 29 of 30
29. Question
The result of sexual reproduction cannot guarantee the following
a. Recombination of genetic material
b. Production of new characters in the offspring
c. Production of identical offspring
d. Occurrence of reduction division before gamete formation -
Question 30 of 30
30. Question
Umbilical cord develops from
a. Chorion
b. Allantois
c. Amnion
d. All