WorksheetsAnimals Vital Functions
Total questions: 27
Worksheet time: 14mins
Name
Class
Date
1.
1. What are the different types of symmetry in animals?
a)
Unilateral or radial.
b)
Bilateral or radial.
c)
Bilateral or cubital.
d)
Trilateral or cubital
2.
Omnivores eat ...
a)
Plants.
b)
Animals.
c)
Animals and plants.
d)
Nothing
3.
In oviparous animals, the embryo develops ...
a)
Inside the mother’s body.
b)
Inside an egg, which the mother expels after it hatches.
c)
Inside an egg, which the mother expels before it hatches.
d)
Inside the water
4.
What kind of symmetry do vertebrates have?
a)
They do not have any symmetry.
b)
Radial.
c)
Bilateral.
d)
Trilateral
5.
The tracheae open up to the outside through the...
a)
Alveoli.
b)
Lungs.
c)
Spiracles
d)
Holes
6.
The lungs are made up of a great number of...
a)
Spiracles.
b)
Filaments.
c)
Alveoli.
d)
Lines
7.
Reptiles breathe through...
a)
Tracheae
b)
Gills
c)
Lungs
d)
water
8.
Circulatory systems may be...
a)
Open or closed.
b)
Open or cyclical.
c)
Open or non-cyclical.
d)
Always open
9.
The circulatory system of molluscs is...
a)
Open
b)
Cyclical
c)
Closed
d)
high
10.
The excretory organs in arthropods are...
a)
The Malpighian tubules
b)
The lungs.
c)
The kidneys
d)
Pores
11.
Where is urine produced in vertebrates?
a)
In the stomach.
b)
In the kidneys.
c)
In the intestine
d)
Malpihian tubules
12.
What are the basic units of the nervous system?
a)
The neurotransmitters.
b)
The neurons.
c)
The hormones.
d)
brains
13.
What are neurotransmitters?
a)
Substances that transmit nerve impulses from one gland to another.
b)
Substances that transmit nerve impulses from one hormone to another.
c)
Substances that transmit nerve impulses from one neuron to another.
d)
Transmitting sounds
14.
Describe the nervous system in jellyfish?
a)
Nerves.
b)
A network of neurons.
c)
Cerebral ganglia.
d)
A brain
15.
Hormones are produced by...
a)
The endocrine system.
b)
The respiratory system.
c)
The nervous system.
d)
The heart
16.
Reproduction cycles are coordinated by means of...
a)
Neurotransmitters.
b)
Neurons.
c)
Hormones.
d)
Heart
17.
What causes movement in animals?
a)
The muscles.
b)
The bones.
c)
The glands.
d)
The hair
18.
What are muscle cells called?
a)
Muscle fibres.
b)
Bone fibres.
c)
Muscle secretions.
d)
Nerve fibres
19.
What enables animals to move about?
a)
The digestive system.
b)
The secretion system.
c)
The locomotor system.
d)
The circulatory system
20.
In which type of reproduction do buds form...
a)
Fragmentation.
b)
Division.
c)
Budding.
d)
Oviparous
21.
When the buds remain attached to the parent, they form...
a)
A colony.
b)
A new individual.
c)
Buds never remain attached to the parent.
d)
A sponge
22.
How do starfish reproduce?
a)
Multiple fission.
b)
Budding.
c)
Fragmentation.
d)
Viviparous
23.
What do we call the development of animals that undergo metamorphosis?
a)
Direct development.
b)
Indirect development.
c)
Internal development.
d)
Frogs
24.
The male gonads are the...
a)
Testicles
b)
Spermatozoa.
c)
Ovaries.
d)
Eggs
25.
Why are the ova larger than the spermatozoa?
a)
Because they are immobile.
b)
Because they store nutrients.
c)
Because they lack nutrients.
d)
Because they have a shell
26.
Describe fertilisation in whales?
a)
Mixed.
b)
External.
c)
Internal.
d)
They do not have fertilisation
27.
In viviparous animals, the embryo obtains its nutrients through the...
a)
Placenta.
b)
Air.
c)
Yolk.
d)
Egg
100 %
