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Mention any two significant roles of predation plays in nature.
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How does an orchid Ophrys ensure its pollination by bees?
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Water is very essential for life. Write any three features for plants that enable them to survive in a water-scarce environment.
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Why do submerged plants receive weak illumination than exposed floating plants in a lake?
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What is vivipary? Name a plant group that exhibits vivipary.
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How is rhytidome act as the structural defense by plants against fire?
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List out the effects of fire on plants.
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Give an account of various types of parasitism with examples.
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Match the following and choose the correct combination from the options given below:
| Column I (Interaction) | Column II (Examples) | ||
| I. | Mutualism | i) | Trichoderma and Penicillium |
| II. | Commensalism | ii) | Balanophora, Orobanche |
| III. | Parasitism | iii) | Orchids and Ferns |
| IV. | Predation | iv) | Lichen and Mycorrhiza |
| V. | Amensalism | v) | Nepenthes and Diaonaea |
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Write some plants are found in the sub-alpine forests.
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Generally, in summer, the forest area affected by natural fire. Over a period of time, it recovers itself by the process of successions. Find out the types of succession and explain.
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Various stages of succession are given below. From that rearrange them accordingly. Find out the type of succession and explain in detail.
Reed-swamp stage, phytoplankton stage, shrub stage, submerged plant stage, forest stage, submerged free-floating stage, marsh meadow stage.
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How do forests help in maintaining the climate?
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Which of the following statement is correct
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Solidifying agent used in plant tissue culture is
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What is the name of the process given below? Write its 4 types.
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Write the various steps involved in cell suspension culture.
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Based on the material used, how will you classify the culture technology? Explain it.
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Write the protocol for artificial seed preparation.
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Enumerate the anatomical adaptations of xerophytes.
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