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NEET • BIOLOGY • ANATOMY OF FLOWERING PLANTS

Anatomy of flowering plants practice · Hard

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31 Hard

31 of 67

Understanding +4 | -1

Which of the following statements is not correct for stomatal apparatus?

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Correct option: C

Guard cells does not possess subsidiary cells.

Option C is correct because guard cells do possess subsidiary cells, which are specialized epidermal cells surrounding the guard cells that aid in stomatal movement.

32 Hard

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Dicot stem has open vascular bundles. They are called 'open' because they

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Correct option: B

Are capable of producing secondary xylem and phloem

Option B is correct because the presence of cambium allows dicot stems to produce secondary xylem and phloem, making them \"open\".

33 Hard

33 of 67

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Which layer is absent in stele?

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Correct option: C

Endodermis

Option C (Endodermis) is correct because the endodermis is the innermost layer of the cortex, surrounding the stele, but is not part of the stele itself.

34 Hard

34 of 67

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Epidermal tissue system is derived from?

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Correct option: A

Protoderm

Option A (Protoderm) is correct because the epidermis, which constitutes the epidermal tissue system, originates from the protoderm, a primary meristem.

35 Hard

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Phloem parenchyma is absent in?

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Correct option: A

Monocots

Option D (Gymnosperms) is correct because phloem parenchyma is generally absent in gymnosperms.

36 Hard

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Well-developed pith is seen in:-

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Correct option: C

Monocot root and dicot stem

Option C (Monocot root and dicot stem) is correct because monocot roots and dicot stems typically have a well-developed pith.

37 Hard

37 of 67

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Number of annual rings from base to apex of stem of dicot during secondary growth?

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Correct option: B

Decreases

Option B (Decreases) is correct because the number of annual rings decreases from the base to the apex of the stem as the stem gets younger towards the apex.

38 Hard

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(a) In the young dicot stem, cambium present in patches as a single layer between xylem and
phloem.

(b) Vascular and cork cambium both are from the lateral meristem.

(c) The medullary cells are derived from the interfascicular cambium.

In given statements, which of the following are correct?

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Correct option: D

a, b and c

Option D is correct because all three statements are correct: cambium presence in dicot stems, vascular and cork cambium being lateral meristems, and medullary cells deriving from interfascicular cambium.

39 Hard

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Which plant tissue is absent in underground organ?

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Correct option: B

Collenchyma

Option B (Collenchyma) is correct because collenchyma is typically found in aerial parts of the plant providing flexibility, and is usually absent in underground organs like roots.

40 Hard

40 of 67

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Which of the following group of cells make up the Conjunctive tissue?

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Correct option: A

Parenchymatous cells lying between xylem and phloem

Option A (Parenchymatous cells lying between xylem and phloem) is correct because conjunctive tissue is composed of parenchyma cells located between xylem and phloem in vascular bundles.

41 Hard

41 of 67

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Vascular bundles in monocot stem are

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Correct option: C

Conjoint, closed

Option C (Conjoint, closed) is correct because monocot stems have vascular bundles where xylem and phloem are together (conjoint) and lack cambium (closed).

42 Hard

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Cambium is present in between

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Correct option: A

Phloem and xylem

Option A (Phloem and xylem) is correct because cambium is the meristematic layer located between the phloem and xylem in vascular bundles.

43 Hard

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Read the following statements about the vascular bundles:
(a) In roots, xylem and phloem in a vascular bundle are arranged in an, alternate manner along the different radii
(b) Conjoint closed vascular bundles do not possess cambium
(c) In open vascular bundles, cambium is present in between xylem and phloem
(d) The vascular bundles of dicotyledonous stem possess endarch protoxylem
(e) In monocotyledonous root, usually there are more than six xylem bundles present
Choose the correct answer from the options give below:

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Correct option: D

(a), (b), (c), (d) and (e) 

Option D is correct because all the statements about vascular bundles are accurate: arrangement in roots, cambium presence/absence, and protoxylem position.

44 Hard

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In stems, the protoxylem lies towards the _______ and the metaxylem lies towards the ________ of the organ.

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Correct option: A

Centre; Periphery

Option A (Centre; Periphery) is correct because in stems, protoxylem (the first-formed xylem) is located towards the center (pith), and metaxylem (later-formed xylem) is located towards the periphery.

45 Hard

45 of 67

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Which layer is made up of only sclerenchymatous tissue in ground tissue system of maize root?

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Correct option: A

Hypodermis

Option A is correct. In maize root, the hypodermis is made up of sclerenchymatous tissue in the ground tissue system.

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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 Hard

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Ground tissue does not include
I. epidermis
II. vascular bundle
III. sclerenchyma
IV. collenchyma
V. parenchyma
Select the right combination from the above given options

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Correct option: A

I and II

Option A is correct because epidermis and vascular bundles are not part of the ground tissue system; they belong to the dermal and vascular tissue systems, respectively.

47 Hard

47 of 67

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In temperate regions, cambium is less active during winter season and forms fewer xylary elements that have narrow vessels this wood is called as?

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Correct option: B

Autumn wood

Option B (Autumn wood) is correct because autumn wood (late wood) is formed during the winter season in temperate regions when cambium is less active.

48 Hard

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Assertion (A): Guard cells of stomata are having thick and elastic cell wall.

Reason (R): Elastic wall is due to radial arrangement of cellulose microfibrils.

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Correct option: A

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

Option A is correct because guard cells have thick and elastic walls due to the radial arrangement of cellulose microfibrils, which allows for stomatal opening and closing.

49 Hard

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Aerating pores are present at places on the cork cambium. These are called

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Correct option: C

Lenticels

Option C (Lenticels) is correct because lenticels are aerating pores present on the cork cambium that facilitate gas exchange.

50 Hard

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The waxy substance associated with cell wall of cork cells is :

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Correct option: A

Suberin

Option A (Suberin) is correct because suberin is a waxy substance that impregnates the cell walls of cork cells, making them impermeable to water and gases.

51 Hard

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[A]: Sieve tube members have abundant cytoplasm but there is no nucleus.
[R]: The nucleus disintegrates during their development.

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Correct option: A

Both A and R are true and R is the correct explanation of A

Option A is correct because sieve tube members lack a nucleus due to disintegration during development.

52 Hard

52 of 67

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Which of the following plant cells will show totipotency?

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Correct option: C

Meristem

Option C is correct because meristematic cells have the ability to differentiate into any cell type (totipotency).

53 Hard

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Trichomes in shoot system are:

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Correct option: B

Usually multicellular

Option B (Usually multicellular) is correct because trichomes on shoots are typically multicellular, although unicellular trichomes can also occur.

54 Hard

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[A]: Sclerenchyma cells are rarely found in plants.

[R]: Sclerencyma cells are dead but have protoplasm.

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Correct option: D

Both A and R are false

Option D is correct because sclerenchyma cells are indeed found in plants, and they are dead cells without protoplasm.

55 Hard

55 of 67

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Barrel shape cells are ………… in dicot root

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Correct option: B

Endodermis

Option B (Endodermis) is correct because the endodermis in dicot roots has barrel-shaped cells with Casparian strips.

56 Hard

56 of 67

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In the following pairs, where do you get lignin in both the element?

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Correct option: C

Sclerenchyma and trachea

Option C (Sclerenchyma and trachea) is correct because both sclerenchyma cells and tracheids (components of trachea) are typically lignified.

57 Hard

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Cells of permanent tissues are specialized

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Correct option: C

Both structurally and functionally

Option C (Both structurally and functionally) is correct because permanent tissues have differentiated to perform specific functions and have also undergone structural changes to support those functions.

58 Hard

58 of 67

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From where does interfascicular cambium forms?

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Correct option: D

Medullary rays

Option D (Medullary rays) is correct because interfascicular cambium develops from the cells of medullary rays.

59 Hard

59 of 67

Application +4 | -1

How many shoot apical meristems are likely to be present in a twig of plant possessing 4 branches and 26 leaves?

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Correct option: C

Option C is correct because each branch has one shoot apical meristem, plus the main shoot.

60 Hard

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Transmission tissue is characteristic feature of :

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Correct option: A

Solid style

Option A (Solid style) is correct because transmission tissue, which facilitates pollen tube growth, is a characteristic feature of solid styles.

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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Anatomy of flowering plants practice · Hard

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