GCSE Science Exam Papers Sample Q&A - 3 Sep 2014

1. Which of the following plants have respiratory roots?
[A]Epiphytes
[B]Mangroves
[C]Xerophytes
[D]Marshy plants


2. Which among the following is correct about biocenosis?
[A]Study of the parts of an ecosystem with specific species
[B]A kind of abnormality related to organism living in a particular habitat
[C]Community of organisms occupying an area
[D]The study of energy transformations in the living systems


3. Saturated hydrocarbons have _____________________.
[A]Double bonds
[B]Single bonds
[C]Triple bonds
[D]Two double bonds


4. Which among the following is correct about Heliopause?
[A]Heliopose is the theoretical boundary beyond which Solar Winds can not reach
[B]Heliopose is the theoretical boundary beyond which there is no existence of Solar system
[C]Heliopose is the theoretical boundary beyond which heat from Sun cannot reach
[D]Heliopose is the theoretical boundary beyond which Light from Sun can not reach


5. Which among the following can be used as a preservative in Tomato Juice?
[A]Sodium carbonate
[B]Sodium benzoate 
[C]Sodium chloride
[D]Sodium bicarbonate