Wed 30 May 2018
(i) Sunlight: It is source of energy for during photosynthesis
(ii) Chlorophyl: It traps solar energy and coverts it to chemical energy during photosynthesis
(v) The ball and socket joint
(i) They help in gathering food for the caste
(ii) circulating and maintaining the colony’s pheromones and food among each other via trophallaxis,
(iii) They help in tending to the eggs and nymphs
(iv) They help in taking care of the queen and king
(v) They help in constructing or repairing the nest, tunnels, galleries, feeding tunnels
Ecosystem is a community of interaction between organisms and their environment.
Gene can be defined as the basic unit of iheritance which carries hereditary factors or materials such DNA. It is found in the chromosone of all cells
Implantation refers specifically to the attachment of the fertilized egg to the uterine lining, which occurs approximately 6 or 7 days after conception (fertilization).
Group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
A saprophytes are organism which feeds on dead decayed organic matter.
(i)It gives support and shape to the body
(ii) It helps in the production of white blood cells
(iii) It aids free movements
(iv) It helps in the attachment of muscles
-Lipase breaks down dietary fats into smaller molecules called fatty acids and glycerol.
-Maltase converts maltose to glucose
-Amylase converts starch to maltose
(i) Diabetes mellitus
(ii) Infective hepatitis
(iii) Cancer of the Liver
Under Plant cell
(i) presence of cell wall
(ii) presence of chloroplast
(iii) Presence of sparse cytoplasm
(iv) presence of small vacuole
(v) Absence of centrosome
Under Animal cell
(i) Absence of cell wall
(ii) Absence of chloroplasts
(iii) Presence of dense cytoplasm
(iv) Presence of small vacuole
(v) Presence of Centrosome
(3b) DRAW THE DIAGRAM [Click here to view the diagram]
(i) A reptile has a backbone, which means they are vertebrates.
(ii) Reptiles produce eggs. Most reptiles lay hard-shelled eggs, but a few give birth to live young.
(iii) Reptiles are cold-blooded
Diffusion is the movement of molecules or atoms from a region in which they are in higher concentration to a region of lower concentration until an equilibrium is established
Osmosis this is a spontaneous movement of water molecules through a semi-permeable membrane into a region of higher solute concentration
Plasmolysis is a shrinking away of cytoplasm from the wall of a living cell due to water from osmosis.
(i) Prevention of bush burning
(ii) Prohibition of killing or poaching of animals in game reserve
Metamorphosis is a process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's body structure through cell growth and differentiation.