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Test: Anatomy of Flowering Plants - NEET MCQ


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25 Questions MCQ Test Biology Class 11 - Test: Anatomy of Flowering Plants

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Test: Anatomy of Flowering Plants - Question 1

Aerating pores in the bark of plants is known as

Detailed Solution for Test: Anatomy of Flowering Plants - Question 1

In plants respiratory organs in stem is called lenticels. They are located as pores in the bark of plants.

Test: Anatomy of Flowering Plants - Question 2

Separate xylem and phloem bundles are known as

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Separate xylem and phloem bundles are found in dicotyledonous roots. This kind of vascular bundle is called radial vascular bundle.

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Test: Anatomy of Flowering Plants - Question 3

The secondary growth of woody angiosperm stem occurs by

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The tissues involved in secondary growth are the two lateral meristems namely, vascular cambium and cork cambium.

Test: Anatomy of Flowering Plants - Question 4

Conjoint type of vascular bundles are common in

Detailed Solution for Test: Anatomy of Flowering Plants - Question 4

In conjoint type of vascular bundles,the xylem and phloem are situated at the sameradius of vascular bundles. Such vascularbundles are common in stems and leaves. Theconjoint vascular bundles usually have thephloem located only on the outer side of xylem.

Test: Anatomy of Flowering Plants - Question 5

In which type of leaves does the abaxial epidermis contain more stomata than the adaxial epidermis?

Detailed Solution for Test: Anatomy of Flowering Plants - Question 5

The correct answer is b) Dicotyledonous leaves.

In most dicotyledonous leaves, the abaxial epidermis (the underside of the leaf) typically contains more stomata than the adaxial epidermis (the upper side). This arrangement helps in reducing water loss while allowing for gas exchange, as the lower surface is less exposed to direct sunlight and wind.

Test: Anatomy of Flowering Plants - Question 6

Quiescentcentre is found in the plant at

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Quiescent centre is a small group of cells with low mitotic activity. It is found at the tips of growing roots in the root meristem.

Test: Anatomy of Flowering Plants - Question 7

The wood is actually a

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The wood is actually a secondary xylem. There are different types of wood on the basis of their composition and time of production.

Test: Anatomy of Flowering Plants - Question 8

Which one is not a xylem cell?

Detailed Solution for Test: Anatomy of Flowering Plants - Question 8

Xylem is a complex tissue, which consists of four kinds of cells. These cells are tracheid, vessels, xylem parenchyma and xylem fibers. Companion cell is part of phloem tissue.

Test: Anatomy of Flowering Plants - Question 9

The casparian thickening occurs in the cells of

Detailed Solution for Test: Anatomy of Flowering Plants - Question 9

Casparian strips occur in the Endodermis. It is a cell wall material that is deposited in the radial and transverse walls of the endodermis of roots. 

Test: Anatomy of Flowering Plants - Question 10

Ground tissue consists of

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Ground tissue consists of all tissues except epidermis and vascular bundle of stem and root. It forms the main parts of plant made up of

Test: Anatomy of Flowering Plants - Question 11

Interfascicular cambium arise from the cells of

Detailed Solution for Test: Anatomy of Flowering Plants - Question 11

The cells of medullary cells, adjoining these intrafascicular cambium becomemeristematic and form the interfascicular cambium.

Test: Anatomy of Flowering Plants - Question 12

Which is not the function of parenchymatous cells?

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The parenchyma performs various functions like photosynthesis, storage, secretion.

Test: Anatomy of Flowering Plants - Question 13

The vascular bundles are closed when they

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In the monocotyledons, the vascular bundles have no cambium present in them. Hence, since they do not form secondary tissues they are referred to as closed.

Test: Anatomy of Flowering Plants - Question 14

Lacunatecollenchyma occurs in stem of

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Lucinate collenchyma is very much alike to angular collenchyma but the cells are regularly arranged. Thickening occurs at theinner and outer tangential wall. It is found in cucurbita stem.

Test: Anatomy of Flowering Plants - Question 15

The region consisting of dead elements with highly lignified walls is called

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In old trees, the greater part of secondary xylem is dark brown due to deposition of organic compounds like tannins, resins, oils, gums, aromatic substances and essential oils in the central or innermost layers of the stem. These substances make it hard, durable and resistant to the attacks of microorganisms and insects. This region comprises dead elements with highly lignified walls and is called heart wood.

Test: Anatomy of Flowering Plants - Question 16

Which among the following are elongated or tube like cells withthick and lignified walls and tapering ends?

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Tracheids are elongated or tube like cells with thick and lignified walls and tapering ends.

Test: Anatomy of Flowering Plants - Question 17

In leaves, the ground tissue consists of thin-walled chloroplast containing cells are called

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In leaves, the ground tissue consists of thin-walled chloroplast containingcells are called mesophyll cells.

Test: Anatomy of Flowering Plants - Question 18

In Barley stem, vascular bundles are

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In Barley stem, vascular bundles are closed and scattered throughout the cortex. Cambium is absent between xylem and phloem.

Test: Anatomy of Flowering Plants - Question 19

Cork cambium is also known as

Detailed Solution for Test: Anatomy of Flowering Plants - Question 19

As the stem continues to increase in girth due to the activity of vascular cambium, the outer cortical and epidermis layers get broken and need to be replaced to provide new protective cell layers. Hence, another meristematic tissue called cork cambium or phellogen develops in the cortex region.

Test: Anatomy of Flowering Plants - Question 20

The characteristic feature of which cells have lignified thickening at the corner?

Detailed Solution for Test: Anatomy of Flowering Plants - Question 20

the correct answer is sclerenchyma. It has lignigidd or thickened cell wall and has it as a special characteristic.

Test: Anatomy of Flowering Plants - Question 21

Which of the following do not undergo anysecondary growth?

Detailed Solution for Test: Anatomy of Flowering Plants - Question 21

Monocotyledonous roots and stems generally do not undergo secondary growth: 

  • Monocotyledonous roots

    Monocot roots do not undergo secondary growth because they lack vascular cambium, which is found in the vascular bundle between the xylem and phloem. 

  • Monocotyledonous stems

    Monocot stems do not undergo secondary growth, but they can increase in girth. This is called anomalous thickening and does not result in the development of secondary xylem and phloem

Test: Anatomy of Flowering Plants - Question 22

Guard cells of stomata are thicker

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The cells surrounding the stomata are called guard cells. The guard cells of inner side are thicker and that of outer side is comparatively thinner.

Test: Anatomy of Flowering Plants - Question 23

The cells of cambial ring cuts off towards pith and mature into

Detailed Solution for Test: Anatomy of Flowering Plants - Question 23

The cambial ring becomes active and begins to cut off new cells, both towards the inner and the outer sides. The cells cut off towards pith, mature into secondary xylem.

Test: Anatomy of Flowering Plants - Question 24

In monocotyledons, guard cell of stomata areThe figure given below is the apical meristem in root. Identify ‘A’ in the diagram.

Detailed Solution for Test: Anatomy of Flowering Plants - Question 24

The part ‘A’ is protoderm in apical meristem of root.

Test: Anatomy of Flowering Plants - Question 25

The shape of guard cells in grasses is

Detailed Solution for Test: Anatomy of Flowering Plants - Question 25

In grasses, the guard cells are dumb-bell shaped

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