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1. Which is the largest botanical gerden in the world? Name a few well know botanical gardens in India.
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- Largest Botanical Garden in World: The Royal Botanic Gardens in Kew, London
- National Botanical Garden, Lucknow
- Acharya Jagdish Chandra Bose Indian Botanic Garden, Kolkata
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2. Who is popularly known as the father of Botany? What was the book written by him?
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- Father of Boatny: Theophrastus, Greek Philosopher
- Book Name: Historia Plantarum
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3. What is the nature of cell walls in diatoms?
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Diatom cell walls, known as frustules, are primarily made of silica, which gives them a glass-like quality. These walls consist of two overlapping halves with intricate, species-specific patterns. Due to silica's durability, these walls accumulate as diatomaceous earth after the diatoms die. |
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4. What is the morphology of cup-like structure in cyathium? In which family is it found?
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The cyathium features a cup-like structure known as an involucre. It is found in the Euphorbiaceae family. |
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5. Define Venation. How do Dicots vary from monocots with respect to venation.
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Venation refers to the arrangement of veins within a leaf's lamina. Dicots typically exhibit reticulate venation, a net-like pattern of branching veins. In contrast, monocots generally display parallel venation, where veins run parallel to each other along the leaf's length.
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6. What is geocarpy? Name the plant which exhibits this phenemonon.
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It is a process where fruits develop and ripen underground. Example: peanut (Arachis hypogaea)
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7. What is middle lamella made of? What is its functional significance?
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It is made of pectins.
Its functional significance is that it act as a cementing layer, binding adjacent plant cells together.
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8. Given that the average duplication time of E.coil is 20 minures, how much time will the two E coil cell take to become 32 cells?
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1 hour 20 minutes
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9. Choose the one appropriate and write against each other.
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(a) cellulose
(b) chitin
(c) glycogen
(d) starch
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10. Define population and community
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- Population: A population is a group of individuals of the same species living in a particular area and capable of interbreeding.
- Community: A community is an assemblage of different populations of various species interacting with each other in a given area.
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