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According to David Tilman, greater the diversity, greater is t
Biology Exemplar
Biology Exemplar

Class 12

NCERT Exemplar

Publisher:
NCERT
Subject:
Biology
1

Chapter 1: Reproduction in Organisms

48 questions

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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

Q1
What accounts for the greater ecological diversity of India?
Q2
According to David Tilman, greater the diversity, greater is the primary productivity. Can you think of a very low diversity man-made ecosystem that has high productivity?
Q3
What does ‘Red’ indicate in the IUCN Red list (2004)?
View all question
16

Chapter 16: Environmental Issues

52 questions

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Question
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According to David Tilman, greater the diversity, greater is the primary productivity. Can you think of a very low diversity man-made ecosystem that has high productivity?

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Biology Exemplar (NCERT Exemplar)

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According to David Tilman, greater the diversity, greater is the primary productivity. Can you think of a very low diversity man-made ecosystem that has high productivity?
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The man-made ecosystems like agricultural field of paddy or wheat show very low diversity, but possess high productivity. These are also an example of monoculture.
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Practice more questions from Biology Exemplar (NCERT Exemplar)

Q1
What accounts for the greater ecological diversity of India?
Q2
According to David Tilman, greater the diversity, greater is the primary productivity. Can you think of a very low diversity man-made ecosystem that has high productivity?
Q3
What does ‘Red’ indicate in the IUCN Red list (2004)?
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Question 1
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Biology Exemplar (NCERT Exemplar)

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Question 3
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Which of the below mentioned regions exhibit less seasonal variations?
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Biodiversity and Conservation

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Biology Exemplar (NCERT Exemplar)

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Question 4
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Match the following columns.

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Biodiversity and Conservation

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Book:

Biology Exemplar (NCERT Exemplar)

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The numbers of national parks, biosphere reserves and wildlife sanctuaries in India, respectively are
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Question 2
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बाहय स्थाने का एक उदाहरण कौन सा है?
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Biodiversity and Conservation

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Question 3
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Which group of vertebrates comprises the highest number of endangered species?
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Question 4
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Bandipur in Karnataka state is the site of:
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Principles of Anatomy and Physiology

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124. A 52-year-old woman comes to the physician for a routine health maintenance examination. She says that her menses have been less frequent during the past year. Her last menstrual period was 6 months ago. She has been otherwise asymptomatic. She takes no medications. Physical examination shows no abnormalities. She asks if she is menopausal. An increased serum concentration of which of the following is most likely to confirm the diagnosis? A) Estrogen B) Follicle-stimulating hormone C) Progesterone D) Thyroid-stimulating hormone E) Triiodothyronine (T3)
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Question 4
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Name the enzyme that joins Okazaki fragments. 21. Elukaryotic genes are callalyzes m-RNA synthesis 22. Why prokaryotic genes are monocistronic. 23. Eukaryotic genes are split genes give reason, 24. Why RNA splicing is necessary in eukaryotes? 25. AUG acts as dual function. Justify this statement. 26. What you mean by negative gene regulation? 27. Which is the largest human gene? 28. What is the total number of genes in chromosome ? 29. How many genes are identified in chromosome ? 30. What is VNTR? 31. What is the haploid content of human DNA? 32. What is the approximate length of human DNA? 33. Why t-RNA is referred to as an adapter molecule? 34. Name the process in which RNA produces DNA. 35. Name the factors for RNA polymerase enzyme which recogn for transcription process in Bacteria. I. Questions carrying TWO marks each:
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Question Text
According to David Tilman, greater the diversity, greater is the primary productivity. Can you think of a very low diversity man-made ecosystem that has high productivity?
TopicBiodiversity and Conservation
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes72