Question
What are the different types of hybridization in plants?
✓
Answer
The different types of hybridization in plants are as follows:
- Intravarietal : It is the hybridization between plants of same variety.
- Intervarietal : It is the hybridization between two varieties of the same species.
- Interspecific : It is the hybridization between two species of the same genus.
- Intergeneric : It is the hybridization between two genera of the same family.
- Wide/distant crosses : These are the crosses between distantly related parental plants.
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
Cortisols and their role.
In the given flow diagram, the replication of retrovirus in a host is shown. Observe and answer the following questions,
- Fill in (1) and (2).
- Why is the virus called retrovirus?
- Can the infected cell survive while viruses are being replicated and released?
We are advised to use iodized salt.
OR
Why do we use iodized salt?
OR
Why do we use iodized salt?
Write briefly the changes in the following organs in the different phases of the menstrual cycle:
- Ovaries.
- Uterus.
- Fallopian tube.
Explain cohesion theory of translocation of water.
- Cancer is one of the most dreaded disease. Explain 'contact inhibition' and 'metastasis with respect to the disease.
- Name the group of genes that have been identified in normal cells that could lead to cancer. How do these genes cause cancer?
- Name any two techniques that are useful in detecting cancers of internal organs.
- Why are cancer patients often given a-interferon as part of the treatment?
- With labelled diagrams, depict the stages in embryo development in a dicotyledonous plant.
- Endosperm development precedes embryo development. Why?
Describe the functions of the following:
Vagina.
Vagina.
A youth in his twenties met with an accident and succumbed to the injuries. His parents agreed to donate his organs. So, their:
- List any two essential clinical steps to be undertaken before any organ transplant.
- Why is the transplant rejected sometimes?
- What views would you share with your health club members to promote organ donation?
Answer the following questions:
Name the organs where gametogenesis gets completed in human male and female, respectively.
Name the organs where gametogenesis gets completed in human male and female, respectively.