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Test: Plant Kingdom and it's Classification - SSC CGL MCQ


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15 Questions MCQ Test General Awareness for SSC CGL - Test: Plant Kingdom and it's Classification

Test: Plant Kingdom and it's Classification for SSC CGL 2024 is part of General Awareness for SSC CGL preparation. The Test: Plant Kingdom and it's Classification questions and answers have been prepared according to the SSC CGL exam syllabus.The Test: Plant Kingdom and it's Classification MCQs are made for SSC CGL 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Plant Kingdom and it's Classification below.
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Test: Plant Kingdom and it's Classification - Question 1

How does the Phylogenetic System differ from the Natural System in plant classification?

Detailed Solution for Test: Plant Kingdom and it's Classification - Question 1

The Phylogenetic System in plant classification differentiates itself by categorizing plants based on their evolutionary relationships. This method aims to group plants according to their shared ancestry and evolutionary history, providing insights into how different plant species are related in the grand tree of life.

Test: Plant Kingdom and it's Classification - Question 2

Which plant category encompasses non-flowering, seedless plants with well-defined roots, stems, and leaves containing vascular tissues?

Detailed Solution for Test: Plant Kingdom and it's Classification - Question 2

Pteridophyta is the plant category that includes non-flowering, seedless plants with distinct roots, stems, and leaves that contain vascular tissues. These plants represent an evolutionary advancement over the simpler Thallophyta and exhibit characteristics that allow them to thrive in various environments.

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Test: Plant Kingdom and it's Classification - Question 3

Who is considered the father of Indian phycology?

Detailed Solution for Test: Plant Kingdom and it's Classification - Question 3

M.O. Iyengar is regarded as the father of Indian phycology. His significant contributions and research in the field have helped shape the understanding of algae within the Indian context, paving the way for further studies and advancements in phycology.

Test: Plant Kingdom and it's Classification - Question 4

Where do lithophytes grow?

Detailed Solution for Test: Plant Kingdom and it's Classification - Question 4

Lithophytes are a type of algae that grow on rocks. These organisms have adapted to thrive in rocky environments, utilizing the substrate as a habitat for attachment and growth. This unique ecological niche showcases the diverse range of habitats where algae can flourish.

Test: Plant Kingdom and it's Classification - Question 5

What type of plant body is characterized by being branched like higher plants?

Detailed Solution for Test: Plant Kingdom and it's Classification - Question 5

A plant body that is branched like higher plants is exemplified by species such as Sargassum and Chara. This branching structure is significant as it increases the surface area available for processes like photosynthesis and nutrient absorption in these plant forms.

Test: Plant Kingdom and it's Classification - Question 6

Which type of plant body is characterized by being a colony with a fixed number of cells?

Detailed Solution for Test: Plant Kingdom and it's Classification - Question 6

A plant body that forms a colony with a fixed number of cells is known as a coenobium. An example of this is Volvox, where individual cells work together in a coordinated manner, showcasing a specialized form of organization within the plant kingdom.

Test: Plant Kingdom and it's Classification - Question 7

What is the main form of reproduction in algae that involves using vegetative parts of the plant?

Detailed Solution for Test: Plant Kingdom and it's Classification - Question 7

Budding is a form of vegetative reproduction in algae where a new organism develops from a bud or outgrowth on the parent plant. This process allows for the formation of genetically identical individuals. Budding is commonly seen in various species of algae and is an essential mechanism for asexual reproduction in many organisms.

Test: Plant Kingdom and it's Classification - Question 8

Which type of spore is a thick-walled spore adapted for survival?

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Akinete is a specialized type of spore with a thick cell wall that helps it survive harsh environmental conditions. Akinetes serve as a survival mechanism for certain algae species, allowing them to withstand unfavorable conditions until more favorable circumstances arise for germination and growth.

Test: Plant Kingdom and it's Classification - Question 9

In sexual reproduction, what term describes gametes that are similar in morphology and physiology?

Detailed Solution for Test: Plant Kingdom and it's Classification - Question 9

Isogamy refers to the fusion of similar gametes in sexual reproduction. This process is exemplified by organisms like Chlamydomonas and Spirogyra, where gametes with comparable morphology and physiology unite to form a zygote.

Test: Plant Kingdom and it's Classification - Question 10

What is the unique form of sexual reproduction observed in Spirogyra?

Detailed Solution for Test: Plant Kingdom and it's Classification - Question 10

In Spirogyra, a filamentous green alga, the unique form of sexual reproduction known as conjugation occurs. During conjugation, two filaments align closely, and conjugation tubes form to facilitate the exchange of genetic material between the cells of the two filaments.

Test: Plant Kingdom and it's Classification - Question 11

What is a key feature of gymnosperms related to reproduction?

Detailed Solution for Test: Plant Kingdom and it's Classification - Question 11

Gymnosperms reproduce through the formation of cones, which are groups of sporophylls. These cones play a crucial role in the reproductive process of gymnosperms by housing either male (microsporophylls) or female (megasporophylls) reproductive structures, ultimately leading to the development of seeds.

Test: Plant Kingdom and it's Classification - Question 12

Which plant product is NOT commonly associated with the economic importance of gymnosperms?

Detailed Solution for Test: Plant Kingdom and it's Classification - Question 12

Rubber is not typically associated with the economic importance of gymnosperms. Gymnosperms are more known for their utilization in products like timbers, resins, and edible seeds due to their unique properties and uses in various industries.

Test: Plant Kingdom and it's Classification - Question 13

Different life cycles, which type of life cycle is exemplified by Chlamydomonas?

Detailed Solution for Test: Plant Kingdom and it's Classification - Question 13

Chlamydomonas exemplifies a Haplontic Life Cycle, which is dominated by a haploid gametophyte that produces gametes. This highlights a significant aspect of the life cycle of this organism, emphasizing the dominance of the haploid phase in its reproductive processes.

Test: Plant Kingdom and it's Classification - Question 14

Which group of organisms typically showcases a Diplontic Life Cycle?

Detailed Solution for Test: Plant Kingdom and it's Classification - Question 14

Angiosperms are a group of plants that typically exhibit a Diplontic Life Cycle, which is dominated by a diploid sporophyte generation. This life cycle characteristic is fundamental to the reproductive biology and development of angiosperms, reflecting their evolutionary adaptations.

Test: Plant Kingdom and it's Classification - Question 15

What defines the group of Tracheophytes in plant classification?

Detailed Solution for Test: Plant Kingdom and it's Classification - Question 15

Tracheophytes are characterized by the presence of vascular tissue, which helps in the transportation of water, minerals, and nutrients throughout the plant. This group includes Gymnosperms, Angiosperms, and Pteridophytes, all of which exhibit a higher level of complexity compared to non-vascular plants.

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