SPECIALISED CELLS

Question 1

PALISADE MESOPHYLL CELLS IN LEAF

Answer 1

• main function is photosynthesis
• contain lots of chloroplast
• have large vacuole

Question 2

ROOT HAIR CELLS

Answer 2

• collect water and mineral nutrients from soil
• have large surface area
• do not contain chloroplasts

Question 3

EGG CELLS

Answer 3

• carries genetic info from female in haploid nucleus
• have layer called zona pellucida that stops more than one sperm getting in

Question 4

SPERM CELLS

Answer 4

• carries genetic info from female in haploid nucleus
• contain mitochondria to provide energy

Question 5

WHITE BLOOD CELLS

Answer 5

• protect body against pathogens
• can squeeze through gaps to get sites of infection and engulf invaders
• produce antibodies

Question 6

RED BLOOD CELLS

Answer 6

• carry oxygen in blood stream
• oxygen binds with haemoglobin on the cells surface
• have disc shape
• large surface area
• flexible