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Assume that a pencil box held in your hand, represents a plant
Biology Exemplar
Biology Exemplar

Class 11

NCERT Exemplar

Publisher:
NCERT
Subject:
Biology
1

Chapter 1: The Living World

37 questions

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2

Chapter 2: Biological Classification

33 questions

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3

Chapter 3: Plant Kingdom

28 questions

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4

Chapter 4: Animal Kingdom

45 questions

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5

Chapter 5: Morphology of Flowering Plants

42 questions

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6

Chapter 6: Anatomy of Flowering Plants

52 questions

Q1
Is Pinus an evergreen tree? Comment. 
Q2
Assume that a pencil box held in your hand, represents a plant cell. In how many possible planes can it be cut? Indicate these cuts with the help of line drawings.
Q3
Each of the following terms has some anatomical significance. What do these terms mean? Explain with the help of line diagrams.
(a) Plasmadesmoses/Plasmodesmata
(b) Middle lamella
(c) Secondary wall
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7

Chapter 7: Structural Organization in Animals

48 questions

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8

Chapter 8: Cell: The Unit of Life

39 questions

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9

Chapter 9: Biomolecules

31 questions

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10

Chapter 10: Cell Cycle and Cell Division

43 questions

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11

Chapter 11: Transport in Plants

66 questions

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12

Chapter 12: Mineral Nutrition

39 questions

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13

Chapter 13: Photosynthesis in Higher Plants

59 questions

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14

Chapter 14: Respiration in Plants

42 questions

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15

Chapter 15: Plant Growth and Development

48 questions

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16

Chapter 16: Digestion and Absorption

34 questions

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17

Chapter 17: Breathing and Exchange of Gases

32 questions

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18

Chapter 18: Body Fluids and Circulation

42 questions

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19

Chapter 19: Excretory Products and their Elimination

44 questions

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20

Chapter 20: Locomotion and Movement

39 questions

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21

Chapter 21: Neural Control and Coordination

31 questions

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22

Chapter 22: Chemical Coordination and Integration

39 questions

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Question
Hard
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Solving time: 4 mins

Assume that a pencil box held in your hand, represents a plant cell. In how many possible planes can it be cut? Indicate these cuts with the help of line drawings.

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Biology Exemplar (NCERT Exemplar)

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Assume that a pencil box held in your hand, represents a plant cell. In how many possible planes can it be cut? Indicate these cuts with the help of line drawings.
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Text SolutionText solutionverified iconVerified

A. If a plant cell is cut in different plane if result, in radial symmetry.
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B. If a plant cell is cut in two equal halves it result in bilateral symmetry
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Practice more questions from Biology Exemplar (NCERT Exemplar)

Q1
Is Pinus an evergreen tree? Comment. 
Q2
Assume that a pencil box held in your hand, represents a plant cell. In how many possible planes can it be cut? Indicate these cuts with the help of line drawings.
Q3
Each of the following terms has some anatomical significance. What do these terms mean? Explain with the help of line diagrams.
(a) Plasmadesmoses/Plasmodesmata
(b) Middle lamella
(c) Secondary wall
View all

Practice questions from Biology Exemplar (NCERT Exemplar)

Question 1
Hard
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Distinguish between the following.

(a) Exarch and endarch condition of protoxylem
(b) Stele and vascular bundle
(c) Protoxylem and metaxylem
(d) Interfascicular cambium and intrafascicular cambium
(e) Open and closed vascular bundles
(f) Stem hair and root hair
Topic

Topic:

Anatomy of Flowering Plants

Book

Book:

Biology Exemplar (NCERT Exemplar)

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Question 2
Easy
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What do hardwood and softwood stand for?
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Topic:

Anatomy of Flowering Plants

Book

Book:

Biology Exemplar (NCERT Exemplar)

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Question 3
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When we peel the skin of a potato tuber, we remove
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Topic

Topic:

Anatomy of Flowering Plants

Book

Book:

Biology Exemplar (NCERT Exemplar)

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Question 4
Medium
Views

Views: 5,348

Write the precise function of

(a) sieve tube
(b) interfascicular cambium
(c) collenchyma
(d) aerenchyma
Topic

Topic:

Anatomy of Flowering Plants

Book

Book:

Biology Exemplar (NCERT Exemplar)

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Question 1
Easy
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Name the various component cells of xylem. Which of them does not have a nucleus?
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Question 2
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Assertion: The two cotyledons in seed are embryonic leaves.
Reason: The embryo contains radicle and plumule
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Question 3
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Vascular tissue in angiosperm plant develop from -
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Question 4
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एक लंबे वृक्ष की दारू वाहिकाओं में जल का स्तम्भ अपने भार से नहीं टूटता है, इसका कारण है:
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  2. दारू वाहिकाओं का लिग्निनकरण
  3. धनात्मक मूल दाब
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You are researching differences in the CFTR gene between two siblings. Alex has a wild-type CFTR gene and does not have cystic fibrosis, while Sam has mutations on the CFTR gene and does have cystic fibrosis. Sam has a mutation in exon 43 that causes a premature stop codon. What do you predict will be the effect of the premature stop codon on mRNA size? Sam's mRNA will be shorter than Alex's. Sam's mRNA will be longer than Alex's. Sam's mRNA will be the same size as Alex's.
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Question 3
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Question Text
Assume that a pencil box held in your hand, represents a plant cell. In how many possible planes can it be cut? Indicate these cuts with the help of line drawings.
TopicAnatomy of Flowering Plants
SubjectBiology
ClassClass 11
Answer TypeText solution:1
Upvotes78