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Starting with the zygote, draw the diagrams of the different s
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

Q1
In the figure given below label the following parts-male gametes, egg cell, polar nuclei, synergid and pollen tube.
Q2
Starting with the zygote, draw the diagrams of the different stages of embryo development in a dicot.
Q3
What are the possible types of pollinations in chasmogamous flowers. Give reasons.
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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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Starting with the zygote, draw the diagrams of the different stages of embryo development in a dicot.

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Biology Exemplar (NCERT Exemplar)

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Practice more questions from Biology Exemplar (NCERT Exemplar)

Q1
In the figure given below label the following parts-male gametes, egg cell, polar nuclei, synergid and pollen tube.
Q2
Starting with the zygote, draw the diagrams of the different stages of embryo development in a dicot.
Q3
What are the possible types of pollinations in chasmogamous flowers. Give reasons.
View all

Practice questions from Biology Exemplar (NCERT Exemplar)

Question 1
Medium
Views

Views: 5,767

In the embryos of a typical dicot and a grass, true homologous structures are
  1. coleorrhiza and coleoptile
  2. coleoptile and scutellum
  3. cotyledons and scutellum
  4. hypocotyl and radicle
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

Biology Exemplar (NCERT Exemplar)

View 2 solutions

Question 2
Easy
Views

Views: 5,280

How is pollination carried out in water plants?
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

Biology Exemplar (NCERT Exemplar)

View solution

Question 3
Medium
Views

Views: 5,589

Are pollination and fertilisation necessary in apomixis? Give reasons.
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

Biology Exemplar (NCERT Exemplar)

View solution

Question 4
Easy
Views

Views: 5,234

What is the function of the two male gametes produced by each pollen grain in angiosperms.
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

Biology Exemplar (NCERT Exemplar)

View solution

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Practice more questions from Sexual Reproduction in Flowering Plants

Question 1
Medium
Views

Views: 6,008

Go through the following points.
I. Dicliny (unisexuality of flower)
II. Dichogamy (protoandry or protogyny)
III. Self sterility / self incompatibility
IV. Heterostyly
V. Herkogamy (Barrier between anther and stigma of a bisexual homogamous flower)
  1. Geitonogamy
  2. Xenogamy
  3. Allogamy
  4. Autogamy
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

Dr. Ali Objective Biology

View solution

Question 2
Easy
Views

Views: 5,641

A typical angiosperm anther is
  1. bilobed
  2. dithecous
  3. Both (a) and (b)
  4. monothecous
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

CBSE New Pattern Biology Class 12 for 2021-22 Exam MCQs based book for Term 1

View solution

Question 3
Easy
Views

Views: 5,348

Which of the following will lose its economic value if fruits-are produced through parthenocarpy
  1. Citrus
  2. Banana
  3. Grape
  4. Pomegranate
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

Dr. Ali Objective Biology

View solution

Question 4
Easy
Views

Views: 5,305

In angiosperm functional megaspore develops into
  1. embryo sac
  2. ovule
  3. endosperm
  4. pollen sac
Topic

Topic:

Sexual Reproduction in Flowering Plants

Book

Book:

CBSE New Pattern Biology Class 12 for 2021-22 Exam MCQs based book for Term 1

View 2 solutions

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राजा, किसान और नगर : आरंभिक राज्य और अर्थव्यवस्थाएँ (लगभग 600 ई०पू० से 600 ई० तक) [Kings, Farmers and Towns : Early States and Economies (C. to )]
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Question Text
Starting with the zygote, draw the diagrams of the different stages of embryo development in a dicot.
TopicSexual Reproduction in Flowering Plants
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes135