When a moist slice of bread was kept aside for a few days then some organism grew on it to form a white cottony mass which later turned black. When this slice of bread was observed through a magnifying glass, then fine thread-like protections and thin stems having bulb-like structures at the top were seen.
1. What is the common name of the organism which grew on the moist slice of bread ?
(i) Bread mould
(ii) planaria
(iii) plasmodium
(iv) spirogyra
2. What are the fine, thread-like protections on the surface of slice of bread known as ?
(i) tentacles
(ii) spores
(iii) hyphae
3. What name is given to the knob-like structures ?
(i) tentacles
(ii) sporangia
(iii) dendrites
4. What is the name of this method of reproduction ?
(i) Spore formation
(ii) Regeneration
(iii) Fragmentation
(iv) Budding
5. Name one unicellular organism which reproduces by this method.
(i) Bacteria
(ii) Amoeba
(iii) planaria
(iv) plasmodium
