lse 7geo

(viii) The cavity containing the heart is called ………..cavity.
(ix) Behind the prostates are Cowper’s glands, the secretion of which helps in the transfer of ………... .
(x) The ………..is the organ where photosynthesis occur.
(xi) Mammals have two sets of teeth, the milk dentition and ………. dentition.
(xii) The energy produced during aerobic respiration is stored in the ……….. as a chemical compound.
(xiii) Absorption of water in land plants is through ………..part of the root .
(xiv) Transporting media like ………..system and lymph system are essential for larger invertebrates and vertebrates.
(xv) A cell body of a ……….consists of nucleus and many dendrites.
(xvi) Layers of fat cells are found at the base of the ………..in the human skin.
(xvii) Asexual reproduction in animals takes place by fission ………..fragmentation.
(xviii)Deoxyribonucleic acid is normally a ………. molecule with capacity for self-replication .
(xix) The selection done by man is called ………..selection.
(xx) Animal in an ecosystems are………..

1. Answer ALL questions. (12 marks)
   (a) Differentiate fleshy fruits and dry fruits.
   (b) Give characteristics of mammals dealing with skeletal and food habits.
   (c) State the effect of temperature on the rate of photosynthesis.
   (d) State what you understand of respiration and name its two types.
   (OR)
   Explain how absorption of mineral salt takes place in plants.