correct options are


A- Photosynthesis generally takes place in which parts of the plant?


(1) Leaf and other chloroplast bearing plants*
(2) steam and leaf
(3)Roots and chloroplast bearing plants
(4) Bark and leaf

B- One of the following is not a function of bones.

(1) Place for muscle attachment
(2) Protection of vital organs
(2) Secretion of hormones for calcium regulation in blood and bones*
(4) Production of blood corpuscles

C- Balloons are filled with

(1) Nitrogen
(2)Oxygen
(3)Helium*
(4)Argon

D- Which of the following is the lightest metal?

(1) Mercury
(2) Lithium*
(3) Silver
(4) Lead

E- In which decade was the American Institute of Electrical Engineers (AIEE) founded?

(1) 1880s*
(2) 1980s
(3) 1870s
(4) 1970s

F- Who developed Yahoo?

(1) Dennis Ritchie & Ken Thompson
(2) David Filo & Jerry Yang*
(3) Vint Cerf & Robert Kahn
(4) Steve Case & Jeff Bezos

G- The most common format for a home video recorder is VHS. VHS stands for...?

(1) video home system*
(2) very high speed
(3) Video horizontal standard
(4) Voltage house standard

H- In what year was the "@" chosen for its use in e-mail addresses?

(1) 1972*
(2) 1974
(3) 1976
(4) 1978

I- What are three types of lasers?

(1) Gas, metal vapor, rock
(2) Pointer, diode, CD
(3) Diode, inverted, pointer
(4) Gas, solid state, diode*

J- The average power (in watts) used by a 20 to 25 inch home color television is...?

(1) 70-100*
(2) 80-100
(3) 60-100
(4) 60-80

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