Leaves have reticulate venation

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NEET • BIOLOGY • ANATOMY OF FLOWERING PLANTS

Anatomy of flowering plants practice · Easy

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31 Easy

31 of 128

Remembering +4 | -1

The outer walls of guard cells (away from stomatal pore) are …A…. While the inner walls (towards the stomatal pore) are …B… .
Choose the correct combination of A and B

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Correct option: B

A-thin, B-thick

Option B (A-thin, B-thick) is correct because the outer walls of guard cells are thin to allow for easier bending, while the inner walls are thick to provide structure and control the stomatal pore.

32 Easy

32 of 128

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Mesophyll is a tissue which is present in leaf

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Correct option: A

Between the upper and lower epidermis

Option A is correct because mesophyll tissue is located between the upper and lower epidermis in a leaf.

33 Easy

33 of 128

Understanding +4 | -1

Which of the following statements is correct?

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Correct option: B

Xylem is made of living and non-living cells

Option B (Xylem is made of living and non-living cells) is correct because xylem consists of both living parenchyma cells and non-living tracheids, vessels, and fibers.

34 Easy

34 of 128

Understanding +4 | -1

Assertion (A): Grasses get regenerated even after grazed by herbivores

Reason (R): In grasses meristems are present in between mature tissues, Options:

View answer and explanation

Correct option: A

(A) and (R) are true and (R) is the correct explanation of (A).

Option A ((A) and (R) are true and (R) is the correct explanation of (A)) is correct because grasses regenerate due to intercalary meristems present between mature tissues.

35 Easy

35 of 128

Remembering +4 | -1

Cuticle is absent in which part of plant?

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Correct option: B

Root

Option B (Root) is correct because the cuticle, a waxy layer, is generally absent in roots to facilitate water and nutrient absorption.

36 Easy

36 of 128

Understanding +4 | -1

Choose the correct statement

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Correct option: A

A group of cell having common origin generally perform common function

Option A is correct because cells of common origin usually perform similar functions due to their shared genetic programming and developmental history.

37 Easy

37 of 128

Remembering +4 | -1

Bulliform cells found in

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Correct option: B

Leaf of wheat

Option B (Leaf of wheat) is correct because bulliform cells are commonly found in the leaves of grasses like wheat, aiding in leaf rolling to conserve water.

38 Easy

38 of 128

Analyzing +4 | -1

Which of the following statements are incorrect regarding internal organization of plant tissues?

A. Phloem parenchyma is absent in dicotyledonous stem

B. Monocot roots do not undergo secondary growth

C. Hypodermis is sclerenchymatous in monocotyledonous stem

D. Lysigenous cavities are found in vascular bundles of dicotyledonous stem

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Correct option: D

{AD}

Option D is correct because phloem parenchyma is present in dicot stems and lysigenous cavities are found in monocot stems.

39 Easy

39 of 128

Remembering +4 | -1

Mesophylls of monocotyledon leaf are not differentiated into

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Correct option: D

Both (a) and (b)

Option D (Both (a) and (b)) is correct because the mesophyll in monocot leaves is typically not differentiated into distinct palisade and spongy parenchyma layers.

40 Easy

40 of 128

Remembering +4 | -1

The nature of cell occurring in medulla is

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Correct option: D

Parenchymatous

Option D (Parenchymatous) is correct because the medulla, or pith, of a plant stem typically consists of parenchyma cells, which are involved in storage and other metabolic functions.

41 Easy

41 of 128

Remembering +4 | -1

Interfascicular cambium is formed by the joining of

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Correct option: B

Medullary rays to intrafascicular cambium

Option B (Medullary rays to intrafascicular cambium) is correct because interfascicular cambium is formed by the differentiation of medullary ray cells adjacent to the intrafascicular cambium.

42 Easy

42 of 128

Analyzing +4 | -1

Mark the odd one w.r.t. the tissues of bark.

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Correct option: A

Pith + primary xylem

Option A (Pith + primary xylem) is correct because pith and primary xylem are internal to the vascular cambium, while the other options are tissues that constitute the bark, which is external to the vascular cambium.

43 Easy

43 of 128

Understanding +4 | -1

I. Epidermis
II. Mesophyll
III. Vascular system
Which of the above component is made up of parenchyma and have chlorphyll?

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Correct option: D

Only II

Option D (Only II) is correct because mesophyll, the ground tissue of the leaf, is made up of parenchyma cells and contains chloroplasts for photosynthesis.

44 Easy

44 of 128

Remembering +4 | -1

In Monocots

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Correct option: A

Stems have scattered conducting strands

Option A is correct because monocots are characterized by having scattered vascular bundles (conducting strands) in their stems.

45 Easy

45 of 128

Understanding +4 | -1

Read the statements given below carefully and find out the correct ones:

a. Bast fibres are made of sclerenchymatous cells.

b. Bast fibres are unbranched & with pointed apex.

c. Epidermal cells are perenchymatous with small amount of cytoplasm.

d. Functions of companion cells are controlled by nucleus of the sieve tubes.

View answer and explanation

Correct option: A

a, b, c only

Option A (a, b, c only) is correct because bast fibers are sclerenchymatous, unbranched with pointed apex, and epidermal cells are parenchymatous with little cytoplasm. Companion cells are controlled by sieve tube nucleus.

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ANIMAL KINGDOM 756 MCQs PLANT KINGDOM 415 MCQs MOLECULAR BASIS OF INHERITANCE 404 MCQs CHEMICAL COORDINATION AND INTEGRATION 387 MCQs PRINCIPLE OF INHERITANCE AND VARIATION 374 MCQs EVOLUTION 362 MCQs

46 Easy

46 of 128

Remembering +4 | -1

First formed primary xylem elements are called ...A… . Later formed primary xylem elements are called …B… .
A and B in the above statement refers to

View answer and explanation

Correct option: B

A–protoxylem; B–metaxylem

Option B (A–protoxylem; B–metaxylem) is correct because protoxylem forms first, followed by metaxylem.

47 Easy

47 of 128

Understanding +4 | -1

Viral infection is usually absent in

View answer and explanation

Correct option: D

Apical meristem

Option D (Apical meristem) is correct because apical meristems are regions of active cell division and growth, making them less susceptible to viral infections due to rapid cell turnover and lack of vascular connections in early stages.

48 Easy

48 of 128

Remembering +4 | -1

In an annual ring, the light coloured part is known as

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Correct option: A

Early wood

Option A (Early wood) is correct because early wood, formed during the spring season, is lighter in color due to wider xylem vessels.

49 Easy

49 of 128

Remembering +4 | -1

Identify from the following, a plant tissue in which lignin does not occur in the cell walls?

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Correct option: A

Collenchyma

Option A (Collenchyma) is correct because lignin is absent in the cell walls of collenchyma tissue.

50 Easy

50 of 128

Remembering +4 | -1

Bordered pits are found in

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Correct option: B

Vessel wall

Option B (Vessel wall) is correct because bordered pits are characteristic features of vessel elements in xylem tissue, facilitating lateral water movement between adjacent vessels.

51 Easy

51 of 128

Remembering +4 | -1

Ground tissue of leaf is called

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Correct option: C

Mesophyll

Option C (Mesophyll) is correct because the ground tissue of the leaf, responsible for photosynthesis, is called mesophyll.

52 Easy

52 of 128

Remembering +4 | -1

An organised and differentiated cellular structure having cytoplasm but no nucleus is

View answer and explanation

Correct option: C

Sieve tubes

Option C is correct. Sieve tubes are organized and differentiated cellular structures that possess cytoplasm but lack a nucleus at maturity.

53 Easy

53 of 128

Understanding +4 | -1

I. Monocot root
II. Dicot stem
III. Monocot stem and dicot root
IV. Dicot stem and dicot root
V. Dicot root
Which of the above have well-developed pith?

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Correct option: A

I and II

Option A (I and II) is correct because monocot roots and dicot stems both have well-developed pith.

54 Easy

54 of 128

Remembering +4 | -1

The tissue generally present in all organs of plant is_____

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Correct option: A

Parenchyma

Option A (Parenchyma) is correct because parenchyma tissue is the most abundant and versatile tissue found in almost all organs of a plant.

55 Easy

55 of 128

Understanding +4 | -1

During the formation of the primary plant body, specific regions of the apical meristem produces:

View answer and explanation

Correct option: D

All of these

Option D is correct because apical meristem produces all three tissue types: dermal, ground, and vascular.

56 Easy

56 of 128

Understanding +4 | -1

The meristem which is intercalated in between the
permanent tissues

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Correct option: C

Is primary meristem

Option C (Is primary meristem) is correct because intercalary meristems, found between permanent tissues, are a type of primary meristem.

57 Easy

57 of 128

Remembering +4 | -1

One of the following is absent in the monocots :

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Correct option: A

Cambium

Option A is correct. Cambium is absent in monocots, which is why they do not exhibit secondary growth.

58 Easy

58 of 128

Understanding +4 | -1

When sunflower leaf is exposed to sunlight, the solar radiations first pass through its upper epidermis and then through

View answer and explanation

Correct option: D

Palisade parenchyma

Option D (Palisade parenchyma) is correct because the palisade parenchyma is the layer directly beneath the upper epidermis and is the first to receive sunlight.

59 Easy

59 of 128

Understanding +4 | -1

The size of vascular bundles on the leaflet depends upon the
I. leaf margin II. leaf petiole
III. leaf size IV. leaf veination
Select the correct combination of options given below

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Correct option: C

III and IV

Option C (III and IV) is correct because the size of vascular bundles depends on the overall leaf size and the pattern of leaf veination.

60 Easy

60 of 128

Remembering +4 | -1

In dicot stem, secondary xylem lie towards the …A… and secondary phloem lie towards the …B… .
Choose the correct combination of options for A and B

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Correct option: A

A-pith; B-periphery

Option A (A-pith; B-periphery) is correct because in a dicot stem, secondary xylem is formed towards the pith, and secondary phloem is formed towards the periphery.

Revision notes and key takeaways

Review ANATOMY OF FLOWERING PLANTS in your textbook or class notes, then use this set to check your understanding.

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