301.
Which one is not an oviparous animal?
A
crocodile
B
human
C
crow
D
hen
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Which one is not an oviparous animal?
crocodile
human
crow
hen
Internal fertilization does not occur in
cow
human
dog
fish
In asexual reproduction involves _______
No parents
Two parents
Four parents
One parent
The zygote that develops into tissues and organs of the body is known as ...
Foetus
Fertilization
Zygote
Embryo
Fertilization results into formation of
individual
egg
zygote
sperm
Dolly the famous animal was a
Normal sheep
donkey
girl
Cloned sheep
The male gametes are produced by?
Sperms
Ovaries
Testes
Eggs
Every month ____ mature egg(s) can be released from human ovary
4
1
2
3
Human Male germ cell is
sperm
zygote
ovum
testis
Why are algae considered one of the most important groups of organisms on our planet?
They are rich in vitamin C.
They produce much of Earths oxygen through photosynthesis.
They produce chemicals that are used to treat health problems.
They produce chemicals that are used to make plastics, waxes, and paints.
Which substances allow algae to harvest and use the energy from sunlight?
cilium and fucoxanthin
phycobilin and flagellum
chlorophyll and accessory pigments
oogonium and antheridium
Which statement about Penicillium is correct?
It produces mushrooms.
It is the source of an antibiotic.
It causes bread to rise.
It causes athletes foot.
Which of the following statements about fungi is true?
They bind trace elements and hold them.
They do not affect trace elements.
They return trace elements to the soil.
They deplete the soil of trace elements.
Which of the following is NOT a single organism?
rust
yeast
smut
lichen
Which of the following is algaes most important contribution to humans?
as a source for industrial chemicals
as a photosynthesizer
as a source for medicinal drugs
as a direct food source for humans
What effect did the evolution of different forms of chlorophyll in algae have?
a decrease in the range of depths at which algae can live
no effect on the range of depths at which algae can live
an increase in the range of depths at which algae can live
a reduction in the photosynthetic capacity of algae
What characteristic of plants is shared by green algae?
cell wall composition
multicellularity
photosynthetic pigments
all of the above
The work of funguslike protists and other decomposers is important in improving the quality of
salt water.
topsoil.
fresh water.
potato crops.
The tangled mass that makes up the body of a fungus is the
hypha.
mycelium.
rhizoid.
stolon.
The human disease ringworm is caused by
worms.
a fungus.
bacteria.
yeasts.