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Select one which is not true for ribosome
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

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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

Q1
A common characteristic feature of plant sieve tube cells and most of mammalian erythrocytes is
Q2
Select one which is not true for ribosome
Q3
Which one of these is not a eukaryote?
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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
Easy
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Solving time: 2 mins

Select one which is not true for ribosome

A
Made up of two sub-units

B
Form polysome

C
May attach to mRNA

D
Have no role in protein synthesis

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Updated on: Oct 4, 2022

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Text SolutionText solutionverified iconVerified

(d) Ribosomes are truly called as protein factory and they play a vital role in protein synthesis. Thus, the statement that ribosomes have no role in protein synthesis is not true. 
Other statements are true for ribosome
Ribosomes are made up of two subunits, i.e., large and small.
In prokaryotes it is 70S (50S and 30S).
In eukaryotes it is 80S (60S and 40S).
Polyribosomes
Several ribosomes attach to a single mRNA and form a chain like structrue.
Polysomes
They are formed by the attachment of ribosomes with mRNA.
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Question Text
Select one which is not true for ribosome
Updated OnOct 4, 2022
TopicCell: The Unit of Life
SubjectBiology
ClassClass 11
Answer TypeText solution:1 Video solution: 2
Upvotes293
Avg. Video Duration2 min