Question
Define Parthenogenesis. Give two examples.
✓
Answer
Development of female gamete (ovum) into a complete organism without fertilization is known as parthenogenesis.
Examples:
Examples:
- Rotifers.
- Drones of honeybee.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
In a Polymerase Chain Reaction (PCR), give the temperature required for the steps:
- Denaturation.
- Annealing.
- Extension, respectively.
How many chromosomes are present in a human male sperm?
Cold medications may contain antihistamines. What effect does this medication have on cold symptoms?
- Explain how to find whether an E. coli bacterium has transformed or not, when a recombinant DNA bearing ampicillin-resistance gene is transferred into it.
- What does the ampicillin-resistant gene act as, in the above case?
- Write the importance of measuring the size of a population in a habitat or an ecosystem.
- Explain with the help of an example how the percentage cover is more meaningful measure of population size than mere number.
Differentiate between two different types of pyramids of biomass with the help of one example of each.
Define and design a test-cross.
The following illustrates the linking of DNA fragments A DNA fragments:
- Write the name of A and B.
- Complete the palindrome, which is recognized by EcoRI.
- Write the name of the enzyme that can link the two DNA fragments.
Explain the efforts which must be put in to improve health, hygiene and milk yield of cattle in a dairy farm.
A team of students are preparing to participate in the interschool sports meet. During a practice session, you find some vials with labels of certain cannabinoids.
- Will you report to the authorities? Why?
- Name a plant from which such chemicals are obtained.
- Write the effect of these chemicals on human body.