Biology Exemplar
Class 12
NCERT Exemplar
1
Chapter 1: Reproduction in Organisms
48 questions
Q1
Rearrange the following events of sexual reproduction in the sequence in which they occur in a flowering plant- embryogenesis, fertilisation,
gametogenesis, pollination.
gametogenesis, pollination.
Q2
The probability of fruit set in a self-pollinated bisexual flower of a plant is far greater than a dioecious plant. Explain.
Q3
Is the presence of large number of chromosomes in an organism a hindrance to sexual reproduction? Justify your answer by giving suitable reasons.
View all question2
Chapter 2: Sexual Reproduction in Flowering Plants
52 questions
3
Chapter 3: Human Reproduction
48 questions
4
Chapter 4: Reproductive Health
37 questions
5
Chapter 5: Principles of Inheritance and Variation
52 questions
6
Chapter 6: Molecular Basis of Inheritance
71 questions
7
Chapter 7: Evolution
52 questions
8
Chapter 8: Human Health and Disease
70 questions
9
Chapter 9: Strategies for Enhancement in Food Production
77 questions
10
Chapter 10: Microbes in Human Welfare
59 questions
11
Chapter 11: Biotechnology: Principles and Processes
48 questions
12
Chapter 12: Biotechnology and its Applications
52 questions
13
Chapter 13: Organisms and Populations
70 questions
14
Chapter 14: Ecosystem
68 questions
15
Chapter 15: Biodiversity and Conservation
61 questions
16
Chapter 16: Environmental Issues
52 questions
Question
Hard
Solving time: 4 mins
The probability of fruit set in a self-pollinated bisexual flower of a plant is far greater than a dioecious plant. Explain.
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The probability of fruit set in a self-pollinated bisexual flower of a plant is far greater than a dioecious plant.
In self-pollinated bisexual plants transfer of pollen to stigma of flowers is easier than the dioecious plants. It is so because the anther and stigma lie close to each other and pollination is not effected even in the absence of pollinator. But in dioecious plants pollinator is necessary to bring about effective pollination as the anther and stigma lie away from each other.
In self-pollinated bisexual plants transfer of pollen to stigma of flowers is easier than the dioecious plants. It is so because the anther and stigma lie close to each other and pollination is not effected even in the absence of pollinator. But in dioecious plants pollinator is necessary to bring about effective pollination as the anther and stigma lie away from each other.
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Practice more questions from Biology Exemplar (NCERT Exemplar)
Q1
Rearrange the following events of sexual reproduction in the sequence in which they occur in a flowering plant- embryogenesis, fertilisation,
gametogenesis, pollination.
gametogenesis, pollination.
Q2
The probability of fruit set in a self-pollinated bisexual flower of a plant is far greater than a dioecious plant. Explain.
Q3
Is the presence of large number of chromosomes in an organism a hindrance to sexual reproduction? Justify your answer by giving suitable reasons.
View allPractice questions from Biology Exemplar (NCERT Exemplar)
Question 1
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I. gametic fusion takes place.
II. transfer of genetic material takes place.
III. reduction division takes place.
IV. progeny have some resemblance with parents.
Select the options that are true for both asexual and sexual reproduction from the options given below
Question 2
Easy
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Question 3
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pollination that will occur in them.
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| Question Text | The probability of fruit set in a self-pollinated bisexual flower of a plant is far greater than a dioecious plant. Explain. |
| Topic | Reproduction in Organisms |
| Subject | Biology |
| Class | Class 12 |
| Answer Type | Text solution:1 |
| Upvotes | 87 |
