Q6. List some harmful effect of fungi.Q.7. How does a pitcher plant trap insects?
Q.8. . Sunlight, chlorophyll, carbon dioxide, water and minerals are raw materials essential for
photosynthesis. Do you know where they are available? Fill in the blanks with the appropriate
raw materials
(a) Available in the plant : _______
(b) Available in the soil :_______
(c) Available in the air :_______
(d) Available during day : ________
Q9. Explain the symbiotic relationship
Answers
Answer:
Q6-Fungi create harm by spoiling food, destroying timber, and by causing diseases of crops, livestock, and humans. Fungi, mainly moulds like Penicillium and Aspergillus, spoil many stored foods. Fungi cause the majority of plant diseases, which in turn cause serious economic losses
Q7-Pitcher plants are several different carnivorous plants which have modified leaves known as pitfall traps—a prey-trapping mechanism featuring a deep cavity filled with digestive liquid. The traps of what are considered to be "true" pitcher plants are formed by specialized leaves. The plants attract and drown their prey with nectar.
Pitcher of Nepenthes distillatoria. A: Honey-gland from attractive surface of lid. B: Digestive fluid from interior of pitcher, in pocket-like depression of epidermis, opening downwards. C: Transverse section same.
Q8-1-Chlorophyll
2-Water, minerals
3-Carbon dioxide
4-Sunlight
Q9-A symbiotic relationship means a mutually interdependent relationship. Two different kinds of organisms live together for their mutual benefit. Forexample, algae, which is an autotroph, and fungus, which is a saprophyte, live together in lichen.