Unit 3 Test - Reproduction Review

What is the scientific name for a sex cell?

• Gromets

• Embryo

• Gamete

• Stem cell

What is the name of the male gamete in humans?

• Sperm

• Ovum

• Testis

• Pollen

In what type of sexual reproduction are the eggs or ova released into water?

• Internal reproduction

• External fertilisation

• Internal fertilisation

• External reproduction

Which type of fertilisation occurs inside the female?

• Internal fertilisation

• Internal reproduction

• External reproduction

• External fertilisation

In which type of fertilisation is the sperm sprayed onto the ova?

• Internal fertilisation

• External reproduction

• Internal reproduction

• External fertilisation

What type of fertilisation occurs in this mouse?

• Internal fertilisation

• Internal reproduction

• External reproduction

• External fertilisation

What is the role of gametes?

• To restore the half set of chromosomes when the gametes fuse in fertilisation

• To restore the quarter set of chromosomes when the gametes fuse in fertilisation

• To restore the full set of chromosomes when the gametes fuse in pollination

• To restore the full set of chromosomes when the gametes fuse in fertilisation

What is the main advantage of sexual reproduction?

• Clones being produced

• The offspring being genetically identical to the parents

• Genetic variation allowing adaptation if there is an environment change

• Having two parents

What is the main disadvantage of sexual reproduction?

• Clones being produced

• The offspring being genetically identical to the parents

• Genetic variation

• Having two parents because a mate must be found requires energy

What is the main advantage of asexual reproduction?

• Clones being produced

• The offspring being genetically identical to the parents

• Genetic variation

• Only one parent needed so no need to put energy into finding a mate