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Between an annual and a perennial plant, which one has a short
Biology Exemplar
Biology Exemplar

Class 12

NCERT Exemplar

Publisher:
NCERT
Subject:
Biology
1

Chapter 1: Reproduction in Organisms

48 questions

Q1
Although potato tuber is an underground part, it is considered as a stem. Give two reasons.
Q2
Between an annual and a perennial plant, which one has a shorter juvenile phase? Give one reason.
Q3
Rearrange the following events of sexual reproduction in the sequence in which they occur in a flowering plant- embryogenesis, fertilisation,
gametogenesis, pollination.
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2

Chapter 2: Sexual Reproduction in Flowering Plants

52 questions

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3

Chapter 3: Human Reproduction

48 questions

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4

Chapter 4: Reproductive Health

37 questions

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5

Chapter 5: Principles of Inheritance and Variation

52 questions

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6

Chapter 6: Molecular Basis of Inheritance

71 questions

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7

Chapter 7: Evolution

52 questions

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8

Chapter 8: Human Health and Disease

70 questions

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9

Chapter 9: Strategies for Enhancement in Food Production

77 questions

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10

Chapter 10: Microbes in Human Welfare

59 questions

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11

Chapter 11: Biotechnology: Principles and Processes

48 questions

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12

Chapter 12: Biotechnology and its Applications

52 questions

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13

Chapter 13: Organisms and Populations

70 questions

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14

Chapter 14: Ecosystem

68 questions

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15

Chapter 15: Biodiversity and Conservation

61 questions

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16

Chapter 16: Environmental Issues

52 questions

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Question
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Between an annual and a perennial plant, which one has a shorter juvenile phase? Give one reason.

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Biology Exemplar (NCERT Exemplar)

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Between an annual and a perennial plant, which one has a shorter juvenile phase? Give one reason.
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In a lifespan, the organism has to grow and develop (the juvenile phase). After that the organism mature sexually and enter into the reproductive phase, before it undergoes senescence followed by death.
Since, the entire life cycle of an annual plant is shorter and has to be completed in one growing season, its juvenile phase is shorter than that of a perennial plant.
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Q1
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Between an annual and a perennial plant, which one has a shorter juvenile phase? Give one reason.
Q3
Rearrange the following events of sexual reproduction in the sequence in which they occur in a flowering plant- embryogenesis, fertilisation,
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Question Text
Between an annual and a perennial plant, which one has a shorter juvenile phase? Give one reason.
TopicReproduction in Organisms
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes149