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List the changes observed in an angiosperm flower subsequent t
Biology Exemplar
Biology Exemplar

Class 12

NCERT Exemplar

Publisher:
NCERT
Subject:
Biology
1

Chapter 1: Reproduction in Organisms

48 questions

Q1
In a developing embryo, analyse the consequences if cell divisions are not followed by cell differentiation.
Q2
List the changes observed in an angiosperm flower subsequent to pollination and fertilisation.
Q3
Suggest a possible explanation why the seeds in a pea pod are arranged in a row, whereas those in tomato are scattered in the juicy pulp.
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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
Easy
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List the changes observed in an angiosperm flower subsequent to pollination and fertilisation.

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Biology Exemplar (NCERT Exemplar)

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List the changes observed in an angiosperm flower subsequent to pollination and fertilisation.
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Text SolutionText solutionverified iconVerified

In an angiosperm flower, the post-fertilisation changes occur as follows
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Practice more questions from Biology Exemplar (NCERT Exemplar)

Q1
In a developing embryo, analyse the consequences if cell divisions are not followed by cell differentiation.
Q2
List the changes observed in an angiosperm flower subsequent to pollination and fertilisation.
Q3
Suggest a possible explanation why the seeds in a pea pod are arranged in a row, whereas those in tomato are scattered in the juicy pulp.
View all

Practice questions from Biology Exemplar (NCERT Exemplar)

Question 1
Easy
Views

Views: 5,226

A few statements describing certain features of reproduction are given below
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
  1. I and II
  2. II and III
  3. II and IV
  4. I and III
Topic

Topic:

Reproduction in Organisms

Book

Book:

Biology Exemplar (NCERT Exemplar)

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Question 2
Hard
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Views: 5,477

The male gametes of rice plant have 12 chromosomes in their nucleus. The chromosome number in the female gamete, zygote and the cells of the seedling will be, respectively
  1. 12, 24, 12
  2. 24, 12, 12
  3. 12, 24, 24
  4. 24, 12, 24
Topic

Topic:

Reproduction in Organisms

Book

Book:

Biology Exemplar (NCERT Exemplar)

View 6 solutions

Question 3
Easy
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Views: 5,894

In the figure given below the plant bears two different types of flowers marked ‘A’ and ‘B’. Identify the types of flowers and state the type of
pollination that will occur in them.
Topic

Topic:

Reproduction in Organisms

Book

Book:

Biology Exemplar (NCERT Exemplar)

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Question 4
Easy
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Views: 5,603

The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because
  1. offspring do not possess exact copies of parental DNA
  2. DNA of only one parent is copied and passed on to the offspring
  3. offspring are formed at different times
  4. DNA of parent and offspring are completely different
Topic

Topic:

Reproduction in Organisms

Book

Book:

Biology Exemplar (NCERT Exemplar)

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Practice more questions from Reproduction in Organisms

Question 1
Hard
Views

Views: 5,350

Totipotent cell refers to
  1. an undifferentiated cells capable of developing into complete embryo.
  2. an undifferentiated cell capable of developing into an organ.
  3. an undifferentiated cell capable of developing into a system or entire plant.
  4. cells which lack the capability of differentiating into
Topic

Topic:

Reproduction in Organisms

View 2 solutions

Question 2
Easy
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Views: 5,888

Choose the correct statement from amongst the following.
  1. Dioecious (hermaphrodite) organisms are seen only in animals.
  2. Dioecious organisms are seen only in plants.
  3. Dioecious organisms are seen in both plants and animals.
  4. Dioecious organisms are seen only in vertebrates.
Topic

Topic:

Reproduction in Organisms

Book

Book:

Biology Exemplar (NCERT Exemplar)

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Question 3
Easy
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Views: 5,892

What do the following parts of a flower develop into after fertilisation?
(a) Ovary 
(b) Ovules
Topic

Topic:

Reproduction in Organisms

Book

Book:

Biology Exemplar (NCERT Exemplar)

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Question 4
Easy
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Views: 5,447

All the ‘eyes’ of a potato tuber are taken out and it is sown in the ground normally. New plants will
  1. Not emerge
  2. Emerge normally
  3. Be weaker
  4. Be healthier
Topic

Topic:

Reproduction in Organisms

Book

Book:

Chapterwise DPP Sheets for Biology NEET (Disha)

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Practice questions on similar concepts asked by Filo students

Question 1
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Views: 5,745

Question: 1.) If a patient had gray matter lesions in their CNS, how would their symptoms compare with this individual? (This individual, a 29-year-old male, had white matter lesions in his CNS.) How would their symptoms compare with this individual is what they're asking. If you're able to explain it, that would be awesome. And then in the 'final answer' box, put what the overall final answer would be. It would be much appreciated. Just want to make sure I can understand it correctly. Thank you so much. A 29-year-old male occasionally (once every 1-2 months) experiences visual disturbances, mood swings, periods of physical weakness, and clumsiness of the hands and legs. The physical weakness is worst in his legs. Initial CT scans showed evidence of white matter lesions in the CNS. During his last episode, neurological deficits were more severe. Recent CT scans show an increasing number of lesions. Prednisone (60 mg/day for one week) was prescribed. The patient was able to resume a relatively normal and active life.
Topic

Topic:

Biology

View solution

Question 2
Views

Views: 5,870

How is a society likely to address the problem of overuse of wildlife resources?
  1. By developing irrigation techniques that conserve water
  2. By cutting down forests to produce more pastureland
  3. By creating laws or traditions that regulate hunting and fishing
  4. By switching from coal-burning power plants to solar energy
Topic

Topic:

Biology

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Question 3
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Views: 5,464

Text: Instructions Look at eating plans A and B and answer the following questions. This table contains foods for Eating Plan A and Eating Plan B. Eating Plan A Day's Intake Eating Plan B Day's Intake 1 cup flax cereal 1 cup soy milk 1 cup Acai juice + seltzer water 1 medium banana 12 ounces coffee 6 ounces strawberry yogurt 1/2 cup blueberries 1 cup of Corn Flakes cereal with milk 1 cup of 2% fat milk 1 cup raspberries 2 cups of coffee Mushroom Lover's Veggie Burgers 2 slices of whole-wheat bread 1 cup roasted carrot soup 1 tablespoon butter 2 ounces thinly sliced baked ham 2 ounces cheddar jalapeno cheese 8 ounces chocolate milk 1/4 cup green peppers 6 carrot sticks 2 whole-wheat crackers 8 ounces fruit juice 3 12-ounce beers 8 ounces soy milk 2 beef and cheese enchiladas 1 peanut butter Fiber One Bar 6 ounces grilled salmon 20 cooked asparagus spears 6 ounces white wine 1/2 cup olives 1/4 cup sun-dried tomatoes 1/2 cup whole-wheat angel hair pasta What types of foods could you add to Eating Plan A to increase variety? What type of foods could you add to Eating Plan A to increase accuracy? Include the food groups that you would add and give examples of specific foods. What foods could you reduce in Eating Plan A to help ensure moderation? Indicate specific nutrient(s) and food group you are trying to reduce to ensure moderation. What are the strengths of Eating Plan A in terms of nutritional accuracy? What are the major food groups that are represented in Eating Plan A? Do you consider Eating Plan A balanced? Why or why not? Is Eating Plan A good for someone who is concerned with calorie control? Why or why not? What foods would you change or eliminate to reduce the calories in Eating Plan A? What are the strengths of Eating Plan B? What are the weaknesses of Eating Plan B?
Topic

Topic:

Biology

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Question 4
Views

Views: 5,997

A good understanding of the ecological relationships among marine organisms in tropical coastal ecosystems is necessary in order to evaluate the possible multiple effects of climate change on tropical marine environments. By using the diagram below: C1. Identify at the lowest taxonomic level each of the four groups of organisms indicated with an arrow in the figure below (also indicated by numbers 3, 8, 4, and 10). Separately for each group, discuss its ecological functions in the form of an essay. C2. Discuss, in the form of an essay, how ocean acidification might alter the food web represented below? (i.e. what might happen if marine water becomes more acidic?)
Topic

Topic:

Biology

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Question Text
List the changes observed in an angiosperm flower subsequent to pollination and fertilisation.
TopicReproduction in Organisms
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes69