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UPSC Exam  >  UPSC Tests  >  Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - UPSC MCQ

Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - UPSC MCQ


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10 Questions MCQ Test - Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium

Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium for UPSC 2024 is part of UPSC preparation. The Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium questions and answers have been prepared according to the UPSC exam syllabus.The Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium below.
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Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 1
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What is the primary function of parenchyma tissue in plants?

Detailed Solution for Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 1
Parenchyma tissue in plants primarily functions to store food in the form of starches, proteins, oils, and fats. It also helps in photosynthesis and can have large air cavities (aerenchyma) in aquatic plants for buoyancy and better gaseous exchange. Additionally, it aids in water conservation in fleshy stems and leaves. While some parenchyma cells can regain the property of cell division, their main role is in storage and support.
Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 2
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Which type of tissue is found in the hard parts of the plant body and provides mechanical strength against environmental stresses?

Detailed Solution for Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 2
Sclerenchyma tissue is found in the hard parts of the plant body and serves to provide mechanical strength against various environmental stresses, such as wind. It adds rigidity to plant structures.
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Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 3
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What role does collenchyma tissue play in plant organs?

Detailed Solution for Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 3
Collenchyma tissue provides mechanical strength to plant organs and resists bending and cracking, especially in stems and petioles. While it can assist in photosynthesis if it develops chloroplasts, its primary function is to support the plant structure.
Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 4
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In which plant part would you typically find sclerenchyma tissue?
Detailed Solution for Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 4
Sclerenchyma tissue is commonly found in the pulp of fruits, such as pear and apple, as well as in the endocarp of almond and coconut, and in the seed coats of legumes.
Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 5
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What is the primary function of xylem tissue in plants?
Detailed Solution for Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 5
Xylem tissue's primary function is to translocate water and minerals throughout the plant. It is responsible for water transport from the roots to other parts of the plant.
Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 6
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What is the primary function of phloem tissue in plants?
Detailed Solution for Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 6
Phloem tissue's primary function is the translocation of food materials, such as sugars and other organic compounds, from the leaves (where they are produced) to other parts of the plant for growth and storage.
Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 7
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What is the function of the petiole in a plant leaf?
Detailed Solution for Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 7
The petiole is the stalk of a plant leaf, and its primary function is to attach the leaf to the stem. It also plays a role in positioning the leaf for maximum exposure to sunlight.
Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 8
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What is the metamorphosed part of the shoot meant for plant reproduction?
Detailed Solution for Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 8
The flower is the metamorphosed part of the shoot that is specifically meant for the reproduction of the plant. It contains the reproductive organs, such as the stamens and pistil.
Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 9
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What are the four whorls typically found in a flower?
Detailed Solution for Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 9
Flowers typically have four whorls: sepals, petals, stamens, and carpels. These whorls together make up the floral structure and are involved in the reproductive process.
Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 10
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What is the function of stipules in a plant leaf?
Detailed Solution for Test: Tissue Systems in Plants, Leaf, Flowers Parts of the Gynoecium - Question 10
Stipules are small leaf-like structures found at the base of some plant leaves, and their primary function is to protect the young leaves and buds from herbivores and environmental stresses. They act as a form of defense for the plant.
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