اختبارات - ساينس - تالتة اعدادي - ترم اول - منهج مصري

هذه معاينة نصية للأسئلة للاطّلاع والمراجعة فقط. لخوض الاختبار تفاعليًّا مع تصحيح آلي ونتيجة فورية، اضغط زر «ابدأ الاختبار» أدناه.

1. Sperm Formed in ............
   • أ. human testes
   • ب. plant anthers
   • ج. trees
2. Within minutes of Big Bang, hydrogen gas was formed by a percentage of ...........%..
   • أ. 75
   • ب. 50
   • ج. 25
   • د. 100
3. If the number of chromosomes in liver cells of a certain living organism is (32) chromosomes then the number of chromosomes in ovum cell is .............
   • أ. 8
   • ب. 16
   • ج. 32
   • د. 24
4. The optical piece which forms laterally inverted (reversed) image and equal to the body is
   • أ. plane mirror
   • ب. spherical mirror
   • ج. concave lens
   • د. convex lens
5. A train moves at a speed (100 km/h), then it cover a distance of (40 km) within time .......... hours.
   • أ. 0.4
   • ب. 0.3
   • ج. 0.5
   • د. 0.6
6. Calculate the actual speed of the car whose relative speed is (80 km/h) relative to an observer moving in opposite direction at a speed of (30 km/h).
   • أ. 50 km/h
   • ب. 80 km/h
   • ج. 60 km/h
   • د. 90 km/h
7. The nucleic acid that carries the genetic traits of the living organism.
   • أ. DNA
   • ب. protein
   • ج. chromosomes
8. Sudden violent nuclear reactions occur within the star which led to its explosion
   • أ. True
   • ب. False
9. Reproduction by sporogony occurs in starfish
   • أ. False
   • ب. True
10. The long-sightedness is corrected by using concave mirror.
    • أ. False
    • ب. True
11. A moving car covers a distance of (200 kilometer) through (150 min.), then its speed is ........... km/h
    • أ. 80
    • ب. 40
    • ج. 60
    • د. 160
12. A train moves at a speed (30 m/sec). And when the brakes is used it moves with a decelerating (3 m/sec2). Calculate the time taken to stop the train
    • أ. 10 Sec.
    • ب. 20 Sec.
    • ج. 30 Sec.
    • د. 5 Sec.
13. In Milky Way galaxy, the old stars (the older) gather in the Centre of the galaxy
    • أ. True
    • ب. False
14. ................ is considered from Scalar physical quantity
    • أ. Mass
    • ب. Velocity
    • ج. Accelaration
15. The body which moves at acceleration can't move at a regular speed
    • أ. False
    • ب. True