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Chapters
2: Human Reproduction
3: Reproductive Health
4: Principles of Inheritance and Variation
5: Molecular Genetics
6: Evolution
7: Human Health and Diseases
8: Immunology
9: Microbes in Human Welfare
10: Applications of Biotechnology
11: Organisms and Populations
12: Biodiversity and its Conservation
13: Environmental Issues
![Samacheer Kalvi solutions for Biology (Zoology) [English] Class 12 TN Board chapter 1 - Reproduction in Organisms - Shaalaa.com](/images/biology-zoology-english-class-12-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Biology (Zoology) [English] Class 12 TN Board chapter 1 - Reproduction in Organisms")
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Solutions for Chapter 1: Reproduction in Organisms
Below listed, you can find solutions for Chapter 1 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Biology (Zoology) [English] Class 12 TN Board.
Samacheer Kalvi solutions for Biology (Zoology) [English] Class 12 TN Board 1 Reproduction in Organisms Evaluation [Pages 8 - 9]
In which type of parthenogenesis are only males produced?
Arrhenotoky
Thelytoky
Amphitoky
Both Arrhenotoky and Thelytoky
The mode of reproduction in bacteria is by ____________.
Formation of gametes
Endospore formation
Conjugation
Zoospore formation
In which mode of reproduction variations are seen?
Asexual
Parthenogenesis
Sexual
Both Asexual and Parthenogenesis
Assertion and reasoning question:
In the following question there are two statements. One is assertion (A) and other is reasoning (R). Mark the correct answer
(A) Assertion: In bee society, all the members are diploid except drones.
(R)Reason: Drones are produced by parthenogenesis.
If both A and R are true and R is correct explanation for A
If both A and R are true but R is not the correct explanation for A
If A is true but R is false
If both A and R are false
Assertion and reasoning question:
In the following question there are two statements. One is assertion (A) and other is reasoning (R). Mark the correct answer
(A) Assertion: Offsprings produced by asexual reproduction are genetically identical to the parent.
(R) Reason: Asexual reproduction involves only mitosis and no meiosis.
If both A and R are true and R is correct explanation for A
If both A and R are true but R is not the correct explanation for A
If A is true but R is false
If both A and R are false
Name an organism where cell division is itself a mode of reproduction.
Name an organism where cell division is itself a mode of reproduction.
What is parthenogenesis? Give two examples from animals
Which type of reproduction is effective - Asexual or sexual and why?
The unicellular organisms which reproduce by binary fission are considered immortal. Justify.
Why is the offspring formed by asexual reproduction referred to as clones?
Why are the offsprings of oviparous animal at a greater risk as compared to offsprings of viviparous organisms?
Give reason for the following:
A male honey bee has 16 chromosomes whereas a female has 32 chromosomes.
Give reason for the following:
Some organisms like honey bees are called parthenogenetic animals
Differentiate between the following:
Binary fission in amoeba and multiple fission in Plasmodium
Differentiate between the following:
Regeneration in lizard and Planaria
Differentiate between the following:
Budding in yeast and budding in Hydra
How is juvenile phase different from reproductive phase?
What is the difference between syngamy and fertilization?
Solutions for 1: Reproduction in Organisms
Samacheer Kalvi solutions for Biology (Zoology) [English] Class 12 TN Board chapter 1 - Reproduction in Organisms
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Concepts covered in Biology (Zoology) [English] Class 12 TN Board chapter 1 Reproduction in Organisms are Types of Reproduction, Asexual Reproduction, Sexual Reproduction in Animals.
Using Samacheer Kalvi Biology (Zoology) [English] Class 12 TN Board solutions Reproduction in Organisms exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Biology (Zoology) [English] Class 12 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
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