Biology Exemplar
Class 12
NCERT Exemplar
1
Chapter 1: Reproduction in Organisms
48 questions
Q1
Although sexual reproduction is a long drawn, energy-intensive complex form of reproduction, many groups of organisms in kingdom–Animalia and Plantae prefer this mode of reproduction. Give atleast three reasons for this.
Q2
Differentiate between (a) oestrus and menstrual cycles; (b) ovipary and vivipary. Give an example for each type.
Q3
Rose plants produce large, attractive bisexual flowers, but they seldom produce fruits. On the other hand a tomato plant produces plenty of fruits though they have small flowers. Analyse the reasons for failure of fruit formation in rose.
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
Medium
Solving time: 3 mins
Differentiate between (a) oestrus and menstrual cycles; (b) ovipary and vivipary. Give an example for each type.
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Text solution
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(a) The differences between oestrus and menstrual cycle are as follows
(b) The differences between ovipary and vivipary are as follows
(b) The differences between ovipary and vivipary are as follows
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Practice more questions from Biology Exemplar (NCERT Exemplar)
Q1
Although sexual reproduction is a long drawn, energy-intensive complex form of reproduction, many groups of organisms in kingdom–Animalia and Plantae prefer this mode of reproduction. Give atleast three reasons for this.
Q2
Differentiate between (a) oestrus and menstrual cycles; (b) ovipary and vivipary. Give an example for each type.
Q3
Rose plants produce large, attractive bisexual flowers, but they seldom produce fruits. On the other hand a tomato plant produces plenty of fruits though they have small flowers. Analyse the reasons for failure of fruit formation in rose.
View allPractice questions from Biology Exemplar (NCERT Exemplar)
Question 1
Hard
Views: 6,207
I. Lower groups of organisms have simpler body design.
II. Asexual reproduction is common in lower groups.
III. Asexual reproduction is common in higher groups of organisms.
IV. The high incidence of sexual reproduction in angiosperms and vertebrates.
Choose the correct answer from the options given below.
Question 2
Hard
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Question 3
Easy
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Question 4
Hard
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| Question Text | Differentiate between (a) oestrus and menstrual cycles; (b) ovipary and vivipary. Give an example for each type. |
| Topic | Reproduction in Organisms |
| Subject | Biology |
| Class | Class 12 |
| Answer Type | Text solution:1 |
| Upvotes | 112 |
