Anatomy of Flowering Plants · Biology · NEET

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MCQ (Single Correct Answer)

1

In the seeds of cereals, the outer covering of endosperm separates the embryo by a protein-rich layer called:

NEET 2025
2

Find the statement that is NOT correct with regard to the structure of monocot stem.

NEET 2025
3

Which of the following simple tissues are commonly found in the fruit walls of nuts and pulp of pear?

NEET 2024 (Re-Examination)
4

Given below are two statements:

Statement I: In a dicotyledonous leaf, the adaxial epidermis generally bears more stomata than the abaxial epidermis.

Statement II: In a dicotyledonous leaf, the adaxially placed palisade parenchyma is made up of elongated cells, which are arranged vertically and parallel to each other.

In the light of the above statements, choose the correct answer from the options given below:

NEET 2024 (Re-Examination)
5

In the given figure, which component has thin outer walls and highly thickened inner walls?

NEET 2024 Biology - Anatomy of Flowering Plants Question 5 English

NEET 2024
6

Given below are two statements:

Statement I : Parenchyma is living but collenchyma is dead tissue.

Statement II : Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms.

In the light of the above statements, choose the correct answer from the options given below:

NEET 2024
7

The transverse section of a plant part showed polyarch, radial and exarch xylem, with endodermis and pericycle. The plant part is identified as :

NEET 2023 Manipur
8

Consider the following tissues in the stelar region of a stem showing secondary growth.

(A) Primary xylem

(B) Secondary xylem

(C) Primary phloem

(D) Secondary phloem

Arrange these in the correct sequence of their position from pith towards corts.

NEET 2023 Manipur
9

Consider the following plant tissues :

(A) Axillary buds

(B) Fascicular vascular cambium

(C) Interfascicular cambium

(D) Cork cambium

(E) Intercalary meristem

Identify the lateral meristems among the above.

NEET 2023 Manipur
10

Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R :

Assertion A : Late wood has fewer xylary elements with narrow vessels.

Reason R : Cambium is less active in winters.

In the light of the above statements, choose the correct answer from the options given below :

NEET 2023
11

Given below are two statements :

Statement I : Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body.

Statement II : Exarch condition is the most common feature of the root system.

In the light of the above statements, choose the correct answer from the options given below:

NEET 2023
12

Interfascicular cambium is present between

NEET 2022 Phase 2
13

Initiation of lateral roots and vascular cambium during secondary growth takes place in cells of

NEET 2022 Phase 2
14

"Girdling Experiment" was performed by Plant Physiologists to identify the plant tissue through which:

NEET 2022 Phase 1
15

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 given below :

NEET 2022 Phase 1
16

In old trees the greater part of secondary xylem is dark brown and resistant to insect attack due to :

(a) secretion of secondary metabolities and their deposition in the lumen of vessels.

(b) deposition of organic compounds like tannins and resins in the central layers of stem.

(c) deposition of suberin and aromatic substances in the outer layer of stem.

(d) deposition of tannins, gum, resin and aromatic substances in the peripheral layers of stem.

(e) presence of parenchyma cells, functionally active xylem elements and essential oils.

Choose the correct answer from the options given below :

NEET 2022 Phase 1
17

what is the role of large bundle sheath cells found around the vascular bundles in C4 plants?

NEET 2022 Phase 1
18

The anatomy of springwood shows some peculiar features. Identify the correct set of statements about springwood.

(a) It is also called as the earlywood

(b) In spring season cambium produces xylem elements with narrow vessels

(c) It is lighter in colour

(d) The springwood along with autumn wood shows alternate concentric rings forming annual rings

(e) It has lower density

Choose the correct answer from the options given below:

NEET 2022 Phase 1
19
Match List-I with List-II.

List-I List-II
(a) Lenticels (i) Phellogen
(b) Cork cambium (ii) Suberin deposition
(c) Secondary cortex (iii) Exchange of gases
(d) Cork (iv) Phelloderm


Choose the correct answer from the options given below.
NEET 2021
20
Match List-I with List-II.

List-I List-II
(a) Cells with active cell division capacity (i) Vascular tissues
(b) Tissue having all cells similar in structure and function (ii) Meristematic tissue
(c) Tissue having different types of cells (iii) Sclereids
(d) Dead cells with highly thickened walls and narrow lumen (iv) Simple tissue


Select the correct answer from the options given below.
NEET 2021
21
Select the correct pair.
NEET 2021
22
Identify the incorrect statement.
NEET 2020 Phase 1
23
The roots that originate from the base of the stem are
NEET 2020 Phase 1
24
The transverse section of a plant shows following anatomical features :

(i) Large number of scattered vascular bundles surrounded by bundle sheath
(ii) Large conspicuous parenchymatous ground tissue
(iii) Vascular bundles conjoint and closed
(iv) Phloem parenchyma absent

Identify the category of plant and its part:
NEET 2020 Phase 1
25
Phloem in gymnosperms lacks :
NEET 2019
26
What is the direction of movement of sugars in phloem?
NEET 2019
27
Which of the statements given below is not true about formation of Annual Rings in trees?
NEET 2019
28
Stomata in grass leaf are
NEET 2018
29
Secondary xylem and phloem in dicot stem are produced by
NEET 2018
30
Casparian strips occur in
NEET 2018
31
Plants having little or no secondary growth are
NEET 2018
32
Which of the following is made up of dead cells ?
NEET 2017
33
Identify the wrong statement in context of heartwood :
NEET 2017
34
The vascular cambium normally gives rise to :
NEET 2017
35
Root hairs develop from the region of :
NEET 2017
36
Cortex is the region found between -
NEET 2016 Phase 2
37
The balloon-shaped structures called tyloses
NEET 2016 Phase 2
38
Specialised epidermal cells surrounding the guard cells are called -
NEET 2016 Phase 1
39
Read the different components from (1) to (4) in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem :
(1) Secondary cortex
(2) Wood
(3) Secondary phoem
(4) Phellem
The correct order is :
AIPMT 2015
40
Vascular bundles in monocotyledons are considered closed because
AIPMT 2015 Cancelled Paper
41
A major characteristic of the monocot root is the presence of :
AIPMT 2015 Cancelled Paper
42
Tracheids differ from other tracheary elements in :
AIPMT 2014
43
You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?
AIPMT 2014
44
Bundle sheath cells :
NEET 2013 (Karnataka)
45
Which of the following statements is not true for stomatal apparatus ?
NEET 2013 (Karnataka)
46
Meristematic tissue responsible for increase in girth of tree trunk is :
NEET 2013 (Karnataka)
47
Age of a tree can be estimated by :
NEET 2013
48
Interfascicular cambium develops from the cells of :
NEET 2013
49
Lenticels are involved in
NEET 2013
50
As compared to a dicot root, a monocot root has
AIPMT 2012 Mains
51
Closed vascular bundles lack
AIPMT 2012 Prelims
52
Gymnosperms are also called soft wood spermatophytes because they lack
AIPMT 2012 Prelims
53
The common bottle cork is a product of
AIPMT 2012 Prelims
54
Companion cells are closely associated with
AIPMT 2012 Prelims
55
Water containing cavities in vascular bundles are found in
AIPMT 2012 Prelims
56
Some vascular bundles are described as open because these :
AIPMT 2011 Mains
57
Function of companion cells is :
AIPMT 2011 Mains
58
The cork cambium, cork and secondary cortex are collectively called :
AIPMT 2011 Prelims
59
Ground tissue includes :
AIPMT 2011 Prelims
60
Transport of food material in higher plants takes place through -
AIPMT 2010 Mains
61
Which one of the folliwng is not a lateral meristem ?
AIPMT 2010 Prelims
62
Heartwood differs from sapwood in –
AIPMT 2010 Prelims
63
The chief water conducting elements of xylem in gymnosperms are :
AIPMT 2010 Prelims
64
Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by :
AIPMT 2009
65
The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is -
AIPMT 2009
66
In barley stem vascular bundles are -
AIPMT 2009
67
Palisade parenchyma is absent in leaves of -
AIPMT 2009
68
Vascular tissues in flowering plants develop from:
AIPMT 2008
69
The length of different internodes in a culm of sugarcane is variable because of:
AIPMT 2008
70
For a critical study of secondary growth in plants, which one of the following pairs is suitable ?
AIPMT 2007
71
Passage cells are thin-walled cells found in:-
AIPMT 2007
72
A common structural feature of vessel elements and sieve tube elements is-
AIPMT 2006
73
In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues ?
AIPMT 2005
74
In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order :-
AIPMT 2004
75
The cells of the quiescent centre are characterised by : -
AIPMT 2003
76
Diffuse porous wood is characteristics of those plants which are growing in : -
AIPMT 2003
77
Chlorenchyma is known to develop in the : -
AIPMT 2003
78
The aleurone layer in maize grain is specially rich in :-
AIPMT 2003
79
In which one of the following nitrogen is not a constituent ?
AIPMT 2003
80
The apical meristem of the root is present
AIPMT 2003
81
Which of the following statement is true ?
AIPMT 2002
82
Axillary bud and terminal bud derived from the activity of : -
AIPMT 2002
83
Vessels are found in : -
AIPMT 2002
84
Four radial vascular bundle are found in : -
AIPMT 2002
85
In plants inulin and pectin are
AIPMT 2001
86
What happens in plants during vascularisation ?
AIPMT 2000
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