Gamete Formation (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
15 questions from this quiz
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Practise the questions
15 questions from this quiz
What is a gamete?
What is a gamete?
A haploid sex cell capable of fertilisation
How many sets of chromosomes does a haploid cell have?
How many sets of chromosomes does a haploid cell have?
One set
What does meiosis produce compared to the parent cell?
What does meiosis produce compared to the parent cell?
Half the chromosome number
Where are male gametes formed in a flowering plant?
Where are male gametes formed in a flowering plant?
In the anther
How many pollen sacs does each anther have?
How many pollen sacs does each anther have?
Four
What is the function of the tapetum in the anther?
What is the function of the tapetum in the anther?
Provides nutrients for pollen
How many haploid cells does a microspore mother cell produce after meiosis?
How many haploid cells does a microspore mother cell produce after meiosis?
Four
How many haploid nuclei are in a mature pollen grain?
How many haploid nuclei are in a mature pollen grain?
Two
What are the two nuclei in a pollen grain called?
What are the two nuclei in a pollen grain called?
Tube and generative nuclei
Where are female gametes formed in a flowering plant?
Where are female gametes formed in a flowering plant?
In the ovule
How many haploid nuclei survive after meiosis in female gamete formation?
How many haploid nuclei survive after meiosis in female gamete formation?
One
How many times does mitosis occur during embryo sac formation?
How many times does mitosis occur during embryo sac formation?
Three times
How many haploid nuclei are in the embryo sac?
How many haploid nuclei are in the embryo sac?
Eight
How many polar nuclei are formed in the embryo sac?
How many polar nuclei are formed in the embryo sac?
Two
What is the outer wall of a mature pollen grain called?
What is the outer wall of a mature pollen grain called?
Exine