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Test: Plant Tissue - SSC CGL MCQ


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15 Questions MCQ Test General Awareness for SSC CGL - Test: Plant Tissue

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

What is the primary focus of plant anatomy?

Detailed Solution for Test: Plant Tissue - Question 1

Plant anatomy primarily focuses on studying the internal structure of plants. This discipline delves into the tissues and cells that make up plants, examining their organization, function, and relationships within the plant body. Understanding plant anatomy is crucial for various applications, including agriculture, horticulture, and botany.

Test: Plant Tissue - Question 2

What are meristematic tissues?

Detailed Solution for Test: Plant Tissue - Question 2

Meristematic tissues, also known as meristems, are groups of cells in plants that remain undifferentiated and have the capability to continuously divide. These cells play a fundamental role in plant growth and development, contributing to the formation of new tissues and organs. Meristematic tissues are crucial for the plant's ability to grow in length and girth, allowing for continuous expansion and adaptation.

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Test: Plant Tissue - Question 3

What are the typical characteristics of meristematic cells?

Detailed Solution for Test: Plant Tissue - Question 3

Meristematic cells typically exhibit characteristics such as small vacuoles and thin cell walls. These features are essential for the active division and growth processes that occur in meristems. The thin cell walls facilitate cell division, while the small vacuoles ensure that the cells have ample space for essential organelles and structures involved in growth and proliferation.

Test: Plant Tissue - Question 4

What are the two main types of meristems based on when they are formed in a plant's life cycle?

Detailed Solution for Test: Plant Tissue - Question 4

Primary meristems are formed early in development and include apical meristems located at the tips of roots and stems, and intercalary meristems found between mature tissues. Secondary meristems develop later in the plant's life and include vascular cambium located between xylem and phloem, and cork cambium located on the outer side of the stem. Understanding the distinction between primary and secondary meristems is crucial for comprehending plant growth and development processes.

Test: Plant Tissue - Question 5

Where is the apical meristem located in a plant?

Detailed Solution for Test: Plant Tissue - Question 5

The apical meristem is located at the tips of roots and stems in a plant. It is responsible for primary growth in length, allowing the plant to grow taller or longer. This region of the plant contains undifferentiated cells that continuously divide and give rise to various specialized cell types, contributing to both vertical and horizontal growth in plants.

Test: Plant Tissue - Question 6

What is the function of the vascular cambium in a plant?

Detailed Solution for Test: Plant Tissue - Question 6

The vascular cambium is a secondary meristem located between xylem and phloem in a plant. Its primary function is to produce new xylem and phloem cells through a process called secondary growth. This activity leads to the thickening of stems and roots, providing structural support to the plant and enabling the transport of water, nutrients, and sugars throughout the plant's vascular system.

Test: Plant Tissue - Question 7

What is the main function of Parenchyma cells in plants?

Detailed Solution for Test: Plant Tissue - Question 7

Parenchyma cells in plants are primarily involved in storage and photosynthesis. These cells have thin walls and play crucial roles in storing nutrients and performing photosynthesis, contributing to the plant's growth and development.

Test: Plant Tissue - Question 8

Which type of tissue in plants conducts water?

Detailed Solution for Test: Plant Tissue - Question 8

Xylem tissue in plants is responsible for conducting water and minerals from the roots to the rest of the plant. It consists of specialized cells designed to transport water efficiently and provide structural support to the plant.

Test: Plant Tissue - Question 9

What is the function of Complex Permanent Tissue in plants?

Detailed Solution for Test: Plant Tissue - Question 9

Complex Permanent Tissue in plants, such as Xylem and Phloem, consists of multiple cell types that work together to perform a unified function. For example, Xylem conducts water, while Phloem transports food and sap throughout the plant.

Test: Plant Tissue - Question 10

What distinguishes heartwood from sapwood in wood anatomy?

Detailed Solution for Test: Plant Tissue - Question 10

In wood anatomy, heartwood is characterized by its dense and darker nature, while sapwood is lighter. Heartwood is the inner, non-living part of the tree, formed as older xylem cells become blocked with resins, tannins, and other materials. Sapwood, on the other hand, is the younger, outer part that actively transports water and nutrients. This distinction is crucial for understanding the structural and functional properties of wood.

Test: Plant Tissue - Question 11

How do growth rings in wood help determine the age of a tree?

Detailed Solution for Test: Plant Tissue - Question 11

Growth rings in wood are formed due to variations in xylem cell size produced by the cambium layer in response to seasonal changes. These rings, known as annual rings, represent one growth cycle per year. By counting these rings, one can determine the age of a tree. Each ring corresponds to one year of growth, making this method a fundamental tool in dendrochronology, the scientific study of tree rings to understand past environmental conditions and events.

Test: Plant Tissue - Question 12

What distinguishes gymnosperm wood from angiosperm wood in terms of composition?

Detailed Solution for Test: Plant Tissue - Question 12

Gymnosperm wood is characterized by its softer nature and the absence of vessels, primarily composed of tracheids. On the other hand, angiosperm wood is harder due to the presence of numerous fibers. This distinction in composition between gymnosperms and angiosperms influences their physical properties and utility in various applications.

Test: Plant Tissue - Question 13

What distinguishes meristematic tissues from other plant tissues?

Detailed Solution for Test: Plant Tissue - Question 13

Meristematic tissues stand out from other plant tissues due to their unique characteristic of remaining undifferentiated and actively dividing. Unlike specialized plant cells that have specific functions, meristematic cells retain the potential to differentiate into various cell types and are crucial for the continuous growth and development of plants.

Test: Plant Tissue - Question 14

Where is the cork cambium typically located in a plant structure?

Detailed Solution for Test: Plant Tissue - Question 14

The cork cambium is located on the outer side of the stem in a plant. It is responsible for producing cork cells, which make up the protective outer covering of the stem and roots known as the bark. Cork cells are waterproof and help prevent water loss, protect against mechanical damage, and provide insulation. Understanding the role of cork cambium is essential for comprehending how plants adapt to their environment and protect themselves from external elements.

Test: Plant Tissue - Question 15

What type of growth in plants results in the formation of wood?

Detailed Solution for Test: Plant Tissue - Question 15

Secondary growth in plants, resulting from the differential activity of cambium, leads to the formation of wood. This growth process is responsible for the increase in the diameter of the plant and the development of structures like annular rings, contributing to the plant's overall strength and structure.

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