• Biology,  Botony,  MCQ


    1. Which one belongs to monera? (a) Amoeba (b) Escherichia (c) Gelidium (d) Spirogyra. Answer and Explanation: 1. (b): All prokaryotic organisms comes under Kingdom monera. Escherichia coli is a bacteria. Monera includes bacteria, mycoplasmas, cyanobacteria (blue green alga) and actinomycetes. 2. The main difference in Gram (+) ve and Gram (-) ve bacteria resides in their (a) cell wall (b) cell membrane (c) cytoplasm (d) flagella. Answer and Explanation: 2. (a): Danish bacteriologists Christian Gram for the first time classified bacteria on the basis of the cell wall into two groups – gram +ve and gram -ve by staining with crystal violet and safranin. Gram +ve cell walls are less complex…

  • Biology,  Botony,  MCQ


    1. Lichens indicate SO2 pollution because of they (A) show association between algae and fungi (B) grow faster than others (C) are sensitive to SO2 (D) flourish in SO2 rich environment. Answer and Explanation: 1. (C): Lichens are found in Artie Tundra region where no other plant can grow. Lichens prefer to grow in pollution free environment. They are often used as an indicator of pollution and also they are very sensitive to SO2. They are first to die in a polluted environment (more SO2). 2. Absorptive heterotrophic nutrition is exhibited by (A) Algae (B) Fungi (C) Bryophytes (D) Pteridophytes Answer and Explanation: 2. (B): The true fungi or the eumycetes are special…

  • Biology,  Botony


    Position of Fungi During warm humid days slices of bread, chapati, leather belts or shoes, etc. develop powdery layer on them. In lawns and flower beds, mushrooms come out. These are all fungi. Fungi were earlier classified as plants without chlorophyll and without differentiation of parts into root, stem and leaves. They are now included, in a separate Kingdom Fungi. Characteristics of Fungi Fungi are multicellular eukaryotes Fungi exist as the slender thread-like filaments called hyphae. Hypha has many nuclei. Yeast, however, is single-celled. The cell walls are made of chitin A hypha may be divided into cells by partitions called septa. Septa have pores through which cytoplasm streams freely.…


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