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Class 6 Exam  >  Class 6 Tests  >  Test: Getting to Know Plants - Class 6 MCQ

Test: Getting to Know Plants - Class 6 MCQ


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23 Questions MCQ Test - Test: Getting to Know Plants

Test: Getting to Know Plants for Class 6 2024 is part of Class 6 preparation. The Test: Getting to Know Plants questions and answers have been prepared according to the Class 6 exam syllabus.The Test: Getting to Know Plants MCQs are made for Class 6 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Getting to Know Plants below.
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Test: Getting to Know Plants - Question 1
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What is the primary function of plants in the ecosystem?

Detailed Solution for Test: Getting to Know Plants - Question 1
Plants play a crucial role in the ecosystem by producing oxygen during photosynthesis. This process involves plants using sunlight to convert carbon dioxide into oxygen, which is essential for the survival of most living organisms on Earth.
Test: Getting to Know Plants - Question 2
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What is a defining characteristic of herbs compared to shrubs and trees?

Detailed Solution for Test: Getting to Know Plants - Question 2
Herbs are known for their relatively short lifespan compared to shrubs and trees. They typically have soft, non-woody stems and are valued for their culinary, medicinal, and aromatic properties.
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Test: Getting to Know Plants - Question 3
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Which category of plants typically has a woody stem and a relatively tall height?

Detailed Solution for Test: Getting to Know Plants - Question 3
Trees are characterized by their woody stems and significant height, usually having a single main trunk with branches and leaves. They are important for providing oxygen, shade, and habitats for various animals and insects in ecosystems.
Test: Getting to Know Plants - Question 4
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Which type of plant is known for its moderate height and multiple stems emerging from the base?
Detailed Solution for Test: Getting to Know Plants - Question 4
Shrubs are characterized by their moderate height and multiple stems growing from the base. They are versatile plants that can be used for landscaping, providing habitat for wildlife, and adding aesthetic appeal to gardens and outdoor spaces.
Test: Getting to Know Plants - Question 5
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What categorization of plants includes small plants with soft stems, often having one main stem and requiring regular watering?
Detailed Solution for Test: Getting to Know Plants - Question 5
Herbs are small plants with soft stems, typically having one main stem and shallow roots. They are known for their tender stems and the need for regular watering. Herbs like mint, zinnia, aster, lady's finger, spinach, and banana fall under this category. An interesting fact about herbs is that many of them are used not only for culinary purposes but also for medicinal and aromatic benefits.
Test: Getting to Know Plants - Question 6
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Which category of plants are larger than herbs, have many woody stems, and deep roots, living for many years?
Detailed Solution for Test: Getting to Know Plants - Question 6
Shrubs are plants that are larger than herbs, with many woody stems and deep roots. Examples of shrubs include pomegranate, jasmine, and rose. These plants often live for many years and add aesthetic value to gardens and landscapes. It is interesting to note that some shrubs also bear fruits or flowers, making them popular choices for ornamental purposes.
Test: Getting to Know Plants - Question 7
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Which type of plants are tall with a broad woody stem, many branches, and deep roots?
Detailed Solution for Test: Getting to Know Plants - Question 7
Trees are characterized by their tall stature, broad woody stem, multiple branches, and deep roots. Examples of trees include mango, jackfruit, banyan, and teak. Trees play crucial roles in providing oxygen, shade, and habitats for various organisms. An interesting fact about trees is that they are essential for maintaining ecological balance and are often referred to as the "lungs of the Earth."
Test: Getting to Know Plants - Question 8
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What type of plants grow along the ground, such as sweet potato and melon?
Detailed Solution for Test: Getting to Know Plants - Question 8
Creepers are plants that grow along the ground or other surfaces, using their stems or tendrils for support. Examples of creepers include sweet potato and melon. These plants are known for their ability to spread horizontally and cover large areas. An interesting fact about creepers is that some of them, like certain types of vines, produce fruits that are highly nutritious and widely consumed.
Test: Getting to Know Plants - Question 9
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What is the primary function of root hairs in a plant's root system?
Detailed Solution for Test: Getting to Know Plants - Question 9
Root hairs play a crucial role in the absorption of water and minerals in plants. These tiny hair-like structures greatly increase the surface area of the root system, allowing for more efficient absorption of essential nutrients and water from the soil. This adaptation helps plants thrive in their environment by ensuring they can access the resources necessary for growth and development.
Test: Getting to Know Plants - Question 10
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Which type of root system is characterized by having one main root with fine roots branching off it?
Detailed Solution for Test: Getting to Know Plants - Question 10
Taproots, such as those found in plants like mango, apple, and carrot, have a primary root known as the taproot from which smaller, fine roots branch off. This type of root system allows for deep penetration into the soil, providing stability and enabling efficient absorption of water and nutrients from deeper soil layers.
Test: Getting to Know Plants - Question 11
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What is the main function of the stem in a plant's shoot system?
Detailed Solution for Test: Getting to Know Plants - Question 11
The primary function of the stem in a plant's shoot system is to transport water and nutrients absorbed by the roots to other parts of the plant, including leaves, flowers, and fruits. This vascular tissue within the stem, particularly the xylem tubes, carries water upward from the roots, while the phloem tubes transport food produced during photosynthesis to various plant tissues.
Test: Getting to Know Plants - Question 12
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Which part of the plant carries out photosynthesis?
Detailed Solution for Test: Getting to Know Plants - Question 12
Leaves are the primary site of photosynthesis in plants. Through specialized structures called chloroplasts, leaves harness sunlight to convert carbon dioxide and water into sugars and oxygen. This process is essential for the plant's energy production and growth, highlighting the crucial role that leaves play in the plant's overall function.
Test: Getting to Know Plants - Question 13
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What is the primary function of the modified stems found in plants like potatoes, turmeric, and ginger?
Detailed Solution for Test: Getting to Know Plants - Question 13
The modified stems in plants like potatoes, turmeric, and ginger primarily serve the function of storing food. These stems have specialized structures that store nutrients and energy for the plant's growth and development. This adaptation helps the plant survive periods of scarcity and supports its overall health and vigor.
Test: Getting to Know Plants - Question 14
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Which type of plants possess stems with tendrils for additional support?
Detailed Solution for Test: Getting to Know Plants - Question 14
Plants like the grapevine have stems with tendrils that function to provide additional support. Tendrils are thin, spiraled structures that plants use to cling onto nearby objects or structures for support as they grow. This adaptation helps plants like the grapevine climb and reach for sunlight, enhancing their growth and survival in their environment.
Test: Getting to Know Plants - Question 15
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What is the main purpose of aerial roots in plants?
Detailed Solution for Test: Getting to Know Plants - Question 15
Aerial roots, also known as stem-modified roots, primarily function to provide additional support to the plant. Plants like maize and banyan develop aerial roots that grow above the ground or water, helping to anchor the plant and provide stability. This adaptation is essential for plants growing in environments where they require extra structural support.
Test: Getting to Know Plants - Question 16
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Which type of modification do carrot, beetroot, and radish roots undergo to fulfill their function?
Detailed Solution for Test: Getting to Know Plants - Question 16
The roots of plants like carrot, beetroot, and radish undergo modification to store food. These modified roots swell and store nutrients for the plant's growth and development. By storing food reserves in their roots, these plants ensure a ready supply of energy for sustaining themselves during times of growth and reproduction.
Test: Getting to Know Plants - Question 17
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What is the primary function of stomata in plant leaves?
Detailed Solution for Test: Getting to Know Plants - Question 17
Stomata are tiny pores found on the surface of plant leaves that play a crucial role in facilitating gas exchange. They allow for the intake of carbon dioxide needed for photosynthesis and the release of oxygen and water vapor. This process is essential for the plant's ability to produce food and regulate its internal environment.
Test: Getting to Know Plants - Question 18
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What is the purpose of xylem and phloem tubes in a leaf?
Detailed Solution for Test: Getting to Know Plants - Question 18
Xylem and phloem tubes are vital components of a leaf's vascular system responsible for transporting water, minerals, and nutrients throughout the plant. Xylem carries water and minerals from the roots to the leaves, while phloem transports the products of photosynthesis, such as sugars, to various parts of the plant for energy and growth.
Test: Getting to Know Plants - Question 19
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Which of the following terms describes the process of water loss through plant leaves?
Detailed Solution for Test: Getting to Know Plants - Question 19
Transpiration is the process by which water is lost from plant leaves through the stomata. This loss of water vapor helps in the regulation of temperature within the plant and maintains the flow of water and nutrients through the plant's vascular system. Transpiration also assists in the uptake of minerals and supports the plant's structure and growth.
Test: Getting to Know Plants - Question 20
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What is the primary purpose of sepals in a flower?
Detailed Solution for Test: Getting to Know Plants - Question 20
Sepals play a crucial role in the development of a flower. They protect the bud as it grows and eventually hold the petals when the flower blooms. By providing a protective covering, sepals shield the delicate inner parts of the flower during its early stages of growth. This protective function helps ensure the reproductive success of the flower by safeguarding its developing structures.
Test: Getting to Know Plants - Question 21
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Which part of a flower is considered the female reproductive organ?
Detailed Solution for Test: Getting to Know Plants - Question 21
The pistil, also known as the carpel, is the female reproductive organ of a flower. It consists of three main parts: the stigma, style, and ovary. The stigma is the receptive surface where pollen lands, the style is the tube connecting the stigma to the ovary, and the ovary contains the ovules, which develop into seeds once fertilized. The pistil plays a crucial role in the reproduction of flowering plants.
Test: Getting to Know Plants - Question 22
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What is the function of stamens in a flower?
Detailed Solution for Test: Getting to Know Plants - Question 22
Stamens are the male reproductive organs of a flower. They consist of anthers, which contain pollen grains. The main function of stamens is to produce and release pollen, which is essential for fertilizing the ovules within the pistil. Pollen grains contain the male gametes necessary for sexual reproduction in plants. This process is crucial for the formation of seeds and the continuation of plant species.
Test: Getting to Know Plants - Question 23
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What is the role of flowers in plant reproduction?
Detailed Solution for Test: Getting to Know Plants - Question 23
Flowers play a vital role in the reproductive cycle of plants. Most flowers develop into fruits containing seeds after successful pollination and fertilization. The process of pollination, where pollen is transferred from the stamen to the stigma, is often facilitated by insects, birds, wind, or other agents. Once fertilization occurs, the ovules in the ovary develop into seeds, while the surrounding ovary wall transforms into a fruit. Fruits protect and aid in the dispersal of seeds, contributing to the reproduction and survival of plant species.
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