Question 1 Describe briefly regeneration in hydra? Regeneration The process of getting back a full organism from its body part is called regeneration. For Example : Hydra, planaria (flatworm) Regeneration is carried out by specialised cells. These cells increase in number very quickly and make large number of cells. From this mass of cell, different cells undergo … [Read more...] about Regeneration
Class 10
Spore Formation
Question 1 How does spore formation take place in Rhizopus? Question 2 Explain the structure of new plant on moist bread ? Spore Formation The parent plant produces hundreds of reproductive units called spores. When the spore case of plant burst then the spores spread into air. Under favourable conditions they germinate and produce new plant. For Example : … [Read more...] about Spore Formation
Budding
Question 1 What is budding? Question 2 Give example of animals which reproduce asexually by budding? Question 3 Describe the various steps of budding in hydra? Budding A small part of the body of parent organism grows out as a bud which then detaches and become a new organism. For Example : Hydra, Yeast These organism use regenerating cells. First a small … [Read more...] about Budding
Hormones in Animals
Question 1 What are hormones? Question 2 What is a target organ? Question 3 Define gland? Question 4 What are endocrine glands. Give example? Question 5 What are exocrine glands. Give example? Question 6 Write the functions of adrenal gland? Question 7 Why adrenal gland is called as emergency hormone? Question 8 What are the functions of thyroid … [Read more...] about Hormones in Animals
Plant Hormone
Question 1 What are phytohormones? Question 2 Name the three phases of plant growth? Question 3 What is the function of growth regulators. Give example? Question 4 What are growth inhibitors? Give example? Question 5 What are auxins? Question 6 What are Gibberellins? Question 7 What is the function of cytokinins? Question 8 Name the stress hormone in … [Read more...] about Plant Hormone