Cloning in Plants (OCR A-Level Biology A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does cloning in plants produce from a single parent organism?
What does cloning in plants produce from a single parent organism?
Genetically identical individuals
Which characteristic describes meristematic cells?
Which characteristic describes meristematic cells?
Large nucleus-to-cytoplasm ratio
What are the 'eyes' on potato tubers?
What are the 'eyes' on potato tubers?
Axillary buds covered by scale leaves
Which plant structure is ginger harvested as?
Which plant structure is ginger harvested as?
Rhizome
What must leaf cuttings develop to become independent plants?
What must leaf cuttings develop to become independent plants?
Both adventitious roots and shoots
What do synthetic auxins like IBA and NAA stimulate in stem cuttings?
What do synthetic auxins like IBA and NAA stimulate in stem cuttings?
Adventitious root formation
What role does sucrose play in tissue culture media?
What role does sucrose play in tissue culture media?
Carbon source and energy supply
What happens when auxin and cytokinin are in equal concentrations in tissue culture?
What happens when auxin and cytokinin are in equal concentrations in tissue culture?
Callus growth is encouraged
Why is meristem culture preferred for producing disease-free stock?
Why is meristem culture preferred for producing disease-free stock?
Meristematic tissue remains virus-free
What is the main disadvantage of genetic uniformity in cloned crops?
What is the main disadvantage of genetic uniformity in cloned crops?
Equal risk from pests and diseases