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How are viroids different from viruses?
Biology
Biology

Class 11

NCERT

Publisher:
NCERT
Subject:
Biology
1

Chapter 1: The Living World

11 questions

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2

Chapter 2: Biological Classification

12 questions

Q1
Find out what do the terms algal bloom and red-tides signify.
Q2
How are viroids different from viruses?
Q3
Describe briefly the four major groups of Protozoa.
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3

Chapter 3: Plant Kingdom

12 questions

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4

Chapter 4: Animal Kingdom

15 questions

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5

Chapter 5: Morphology of Flowering Plants

15 questions

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6

Chapter 6: Anatomy of Flowering Plants

12 questions

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7

Chapter 7: Structural Organization in Animals

14 questions

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8

Chapter 8: Cell: The Unit of Life

14 questions

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9

Chapter 9: Biomolecules

15 questions

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10

Chapter 10: Cell Cycle and Cell Division

16 questions

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11

Chapter 11: Transport in Plants

16 questions

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12

Chapter 12: Mineral Nutrition

10 questions

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13

Chapter 13: Photosysnthesis in Higher Plants

9 questions

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14

Chapter 14: Respiration in Plants

12 questions

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15

Chapter 15: Plant Growth and Development

11 questions

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16

Chapter 16: Digestion and Absorption

15 questions

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17

Chapter 17: Breathing and Exchange of Gases

14 questions

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18

Chapter 18: Body Fluids and Circulation

14 questions

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19

Chapter 19: Excretory Products and their Elimination

12 questions

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20

Chapter 20: Locomotion and Movement

10 questions

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21

Chapter 21: Neural Control and Coordination

12 questions

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22

Chapter 22: Chemical Coordination and Integration

9 questions

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Question
Easy
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Solving time: 2 mins

How are viroids different from viruses?

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Book

Book:

Biology (NCERT)

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Text SolutionText solutionverified iconVerified

Viroids are free RNA molecules of low molecular weight without any protein coat while viruses can have either RNA or DNA molecules encapsulated in a protein coat. Viroids are smaller in size than the viruses. Viroids infect only plants whereas virus infects all types of organisms. In viroids, protein coat is absent whereas in viruses a protein covering or a coat called as capsid is present around the genetic material.
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Describe briefly the four major groups of Protozoa.
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Question Text
How are viroids different from viruses?
TopicBiological Classification
SubjectBiology
ClassClass 11
Answer TypeText solution:1
Upvotes5