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WorksheetsCDSHS - Yr 8 Biology Revision
Total questions: 72
Worksheet time: 2hrs 7mins
The fluid that surrounds the organelles is... (hint... "Try to pull a fast one and..."
chloroplast
cytoplasm
vacuole
cell wall
Which organelle takes in "sun showers" and helps plants with the process or photosynthesis?
Vacuole
Mitochondria
Cytoplasm
Chloroplast
What is the main organ of the circulatory system?
small intestine
bone
lungs
heart
Arteries carry oxygen rich blood away from the heart.
True
False
Veins carry oxygen poor blood back to the heart.
False
True
The mammalian heart has ___ chambers.
1
2
3
4
The blood in the vena cava is...
oxygenated, returning to the heart
deoxygenated, returning to the heart
oxygenated, leaving the heart
deoxygenated, leaving the heart
Flap of tissue that covers the opening to the windpipe during swallowing
Pharynx
Trachea
Epiglottis
1. larynx
2. nasal cavity
3. pharynx
4. trachea
Which of the following is the correct order that air would flow during inhalation.
The division of the trachea forms
nose
main bronchi
lungs
alveoli
Which part of the Respiratory System plays a major role in speech?
nose
pharynx
larynx
trachea
the windpipe; a passage through which air moves in the respiratory system.
trachea
lungs
larynx
bronchi
What is the dome-shaped muscle beneath the lungs that helps us breathe.
diagram
dialysis
diaghragm
diorama
What do you call the type of reproduction in which the genetic materials from two different cells combine, producing an offspring?
pollination
sexual reproduction
fertilization
asexual reproduction
What do you call the female sex cell?
egg cell
sperm cell
diploid
haploid
What type of reproduction takes place when one parent organism produces offspring without meiosis and fertilization?
pollination
sexual reproduction
asexual reproduction
fertilization
All of the following are advantages of asexual reproduction except ____________.
produce varied offspring
spread and colonize certain part of an area
Reproduce without a mate
produce a large number of offspring
Which of the following is a disadvantage of asexual reproduction?
All organisms have genetic variation
Parents produces identical off spring which is not suitable for survival in a changing environment
Finding a mate is not needed
It can produce a lot of offspring
Which is an example of asexual reproduction by regeneration?
cloning sheep
lizard regrowing a tail
sea star arm producing a new organism
strawberry plant producing stolons
In _________,_____________ only one parent organism produces offspring.
sexual reproduction
asexual reproduction
pollination process
fertilization process
The male reproductive cell is called...
vas deferens
seminal vesicle
ovum
sperm
Choose the parts of the male reproductive organs
(select 3 for points).
scrotum
penis
falopian tubes
prostate
Which part of the male reproductive system produces sperm?
The Scrotum
The prostate
The testicles
The penis
LETTER e: (Hint: there are 2)
Uterus
Vulva
Ovaries
Eggs
LETTER g: (hint: birth canal)
Vulva
Vagina
Ovaries
Uterus
LETTER f:
Ovaries
Uterus
Vulva
Vagina
LETTER b: (Hint: produce sperm)
Urethra
Testicles
Scrotum
Penis
LETTER c:
Urethra
Testicles
Penis
Scrotum
LETTER a: (hint: tube inside)
Urethra
Testicles
Scrotum
Penis
Prostate Gland
