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CIE iGCSE Biology Exam Questions and Answers (Latest update 2024)
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CIE iGCSE Biology Exam Questions and Answers (Latest update 2024)
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CIE iGCSE Biology Exam Questions andAnswers (Latest update 2024)
SOLD Drawing - Correct Answer ✅ Size (larger than picture)
Outline (continuous and solid)
Label (at least 2)
Detail (same as picture)
- PENCIL WITH NO COLOUR / SHADING
Movement - Correct Answer ✅ An action by an organism or part of an
organism causing a change in position or place
Respiration - Correct Answer ✅ Chemical reactions that break down
nutrient molecules in living cells to release energy
Sensitivity - Correct Answer ✅ The ability to detect changes in the
environment (stimuli) and make responses
Growth - Correct Answer ✅ Permanent increase in size and dry biomass by
an increase in cell number, cell size or both
Reproduction - Correct Answer ✅ Processes that make more of the same
kind of organism
Excretion - Correct Answer ✅ Removing toxic materials which may be
waste products of metabolism (eg respiration) or excess substances
Nutrition - Correct Answer ✅ Taking in nutrients which are organic
substances and mineral ions to provide energy or raw minerals for growth
and tissue repair. These are absorbed and assimilated
Nerve cell - Correct Answer ✅ Animal
, CIE iGCSE Biology Exam Questions and
Answers (Latest update 2024)
Grouped together form nerves which transmit information
Found throughout body
Nerve fibre carries signals and fatty layer surrounding protects it, stops
electric signals escaping and allows messages to travel faster
Also called neurons
Xylem cell - Correct Answer ✅ Plant
All over plant
Transport water and ions
Long and narrow
Tissue dies soon after it is formed leaving hollow like pipe to transport
Sperm cell - Correct Answer ✅ Animal
Male reproductive cell
Long tail works like propellor
Small head penetrates egg cell
Found in a man's testicles in humans
Head contains lots of mitochondria for energy to move
Root hair cell - Correct Answer ✅ Plant
Absorb water from ground
Large surface area for more absorption
Roots of plant
Phloem cell - Correct Answer ✅ Plant
Found in trunk of plant
Transport sugars (from photosynthesis) dissolved in water around plant
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