1.When does repeoduction take place?
a.when offspring makes adult
b.when parents make offspring
c.when offspring is an exact copy of the adult
d.when offspring is an exact opposite of the adult.
2.Which animal reproduces sexually by laying eggs in water?
a.butterfly
b.cat
c.chicken
d.frog
3.Which of the following organisms is NOT included in the group?
a.frog
b.jellyfish
c.sea horse
d.mollusc
4.Which of the following looks like its parent animal when born alive?
a.bird
b.butterfly
c.cockroach
d.goat
5.Animals reproduce to____
a.make new animals
b.get food from its young
c.get rid of unhealthy animals
d.satisfy their obligation on species
6.What type of reproduction requires male and female sex cells to unite?
a.external fertilization
b.internal fertilization
c.sexual reproduction
d.asexual reproduction
7.Which is NOT TRUE about sexual reproduction in animals?
a.it promotes differences
b.it has only one parent
c.the young animals resemble each other
d.animals may hatch from eggs or born alive
8.What do you call the process formed after the union of a sperm cell and egg cell?
a.zygote
b.reproduction
c.fertilization
d.sexual reproduction
9.What will happen if animals will not reproduce?
a.population will decrease
b.organisms will not survive
c.organisms will not improve
d.organisms will not be able to adapt to their environment.
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