LIFE PROCESSES (Introduction & Nutrition) PRETEST ANSWERS

So assuming that the reading pre test has been sincerely 😇 attempted, I'm today sharing the answers.
If you have not found time/interest to attempt the pre test before, make sure you do that before going through these answers.

1. Molecular movements are needed for life.

2.Energy for life processes is obtained through a process known as Nutrition.

3.Life on Earth depends on Carbon based molecules. (name of element)

4.The most common energy producing reactions in living organisms are oxidation - reduction reactions.

5.The maintenance processes such as nutrition, respiration & excretion are known as Life processes.

6.Besides plants, Bacteria are also capable of  autotrophic nutrition.

7.Breakdown of complex substances in to simple substances is done with help of bio-catalysts known as Enzymes.

8.Whittaker’s 2 groups that are essentially heterotrophs are Fungi & Animals.

9.Food reserve in plants is Starch, while in animals is Glycogen.

10. Leaves with 2 or more coloured patterns are known as Variegated leaves.

11.Opening and closing of stomata is controlled by Guard Cells cells.

12. N is taken in form of nitrates or nitrites from soil; or as organic N compounds prepared by Bacteria.

13. In Amoeba food is taken with the help of Pseudopodia_ while in Paramecium it is taken at a specific spot with the help of Cillia.

14. Watering of mouth is due to production of saliva which contains the enzyme Amylase.

15.  Contraction of muscles in inner lining of alimentary canal leads to movements known as Peristalsis.

16.  Small Intestine is the site of complete digestion in humans.

Self Assessment:

If you have managed ≥12 of 16, you are a good reader, and can easily proceed to next segment.

If you're between the range of 7-11, I suggest you read the pages from your NCERT once again before proceeding to the next segment.

If you're <7, make sure you work on your concentration skills.