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Ritu • 207 Points
Hard Worker Physics

Q. An ultrasonic sound wave has a frequency higher than ?

(A) 20 Hz
(B) 20000 Hz
(C) 200 Hz
(D) 2000 Hz

R

Ritu • 207 Points
Hard Worker Physics

Q. The force of attraction between two objects is called the ?

(A) centripetal force
(B) electromagnetic force
(C) gravitational force
(D) centrifugal force

R

Ritu • 207 Points
Hard Worker Chemistry

Q. ..... is least reactive element belonging to group 17 ?

(A) Bromine
(B) Iodine
(C) Chlorine
(D) Fluorine

R

Ritu • 207 Points
Hard Worker Physics

Q. An electric bulb having voltage 240V and current 0.6 A has a power of _________ ?

(A) 40W
(B) 400W
(C) 144W
(D) 14.4W

R

Ram Avtar Sharma • 50 Points
Achiever Biology

Q. The organs that have different basic structure (or different basic design) but have similar appearance and perform 5 similar functions are called ?

(A) biogenetic law
(B) analogous organs
(C) homologous organs
(D) fossils

R

Ram Avtar Sharma • 50 Points
Achiever Physics

Q. What is the ability of a metal to be drawn into thin wires called ?

(A) Ductility
(B) Sonorous
(C) Malleability
(D) Intractability

R

Ram Avtar Sharma • 50 Points
Achiever Biology

Q. The walls of sclerenchyma cells are thickened due to ____ ?

(A) Pectin
(B) Hemi-cellulose
(C) Cellulose
(D) Lignin

R

Ram Avtar Sharma • 50 Points
Achiever Biology

Q. Which of the following is not a Connective Tissue ?

(A) Cartilage tissue
(B) Muscular Tissue
(C) Adipose Tissue
(D) Ligament

R

Ram Avtar Sharma • 50 Points
Achiever Chemistry

Q. The pH of pure water is

(A) 2
(B) 5
(C) 7
(D) 8

R

Ram Avtar Sharma • 50 Points
Achiever Chemistry

Q. The millions period consists of the places ?

(A) M, TH, HM
(B) O,T,M
(C) M,TM
(D) TTh, HTh, M

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