Q15 of 38 Page 1

List in tabular form, two distinguishing features between the acquired traits and the inherited traits with one example of each.

Colour of hair, eye colour is inherited characters but the weight of the body is an acquired character.



















Inherited traits



Acquired traits



1.



These are controlled by genes and are passed from generation to generations.



They are acquired by organisms in their life time.



2.



These are genetic variations caused in reproductive tissues.



These are somatic variations caused in non-reproductive tissues.




More from this chapter

All 38 →
13

List two functions each of the following points of the human female reproductive system

(a) Ovaries


(b) Fallopian tubes


(c) Uterus

 14

“Different species use different strategies to determine the sex of a newborn individual. It can be environmental cues or genetically determined”. Justify this statement giving reason/example.

 16

A student has to project a three times magnified image of a candle flame on a wall. Name the type of the lens (converging/ diverging) required for the purpose. If the candle flame is at a distance of 6 m from the wall, find the focal length of the lens.

 17

A child while playing with his father’s spectacles burnt a hole in a piece of them tissue paper by focusing the image of the Sun on at.

(a) Name the defect of vision his father is suffering form.


(b) List two causes of the defect.


(c) Draw a ray diagram to show how this defect may be corrected using a suitable lens.