Biology (Reproduction)
1) Mention the advantages of sexual reproduction over a sexual.
2) What is the difference between unisexual and bisexual (hermaphrodite)?
3) Asexual Reproduction:
- What are various methods of vegetative propagation? Discuss any one method with example.
- What are the advantages of vegetative propagation?
- Explain the term fission, regeneration, budding, layering as used in relation to reproduction.
- Which method would you apply to cultivate Rose and Jasmine plant? Explain.
- What is tissue culture? Explain.
- How does Bryophyllum reproduce vegetatively?
- Explain how grafting is done in certain plants during vegetative propagation in plants.
- How are stock and scion interrelated?
- Name the reptile in each case where higher temperature results in a) Male progeny, b) Female progeny.
4) Sexual Reproduction:
- Fusion of male and female gamete is called _____. What is the product of this process?
- Plants:
- Draw a labeled diagram of flower. What happens to the pollen of a mango flower if it falls on stigma of some other flower?
- In flowering plants, there occurs ‘double fertilization and triple fusion’. Briefly explain the events and justify the above phrase.
- Draw the labeled longitudinal region diagram of the Pistil.
- What is Pollination?
- Differentiate between self and cross pollination.
- Explain fertilization in plants with diagram (With the help of diagram explain double fertilization in plants).
- Human Beings:
- Describe the terms in relation to the human reproduction:
1. Fertilisation 2. Implantation 3. Placenta 4. Gestation 5. Parturition
- What do you mean by Menarche and Menopause?
- Where do you find follicles and what is its function?
- Define ovulation.
- With a labeled diagram describe the female reproductive system.
- What are IUCD’s? Give two examples.
- Write full form of HIV and AIDS.
- Name any two sexually transmitted diseases.
- What are the male and female organs in human beings? What are the enzymes secreted by them and their functions?
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