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Balbharati solutions for Biology 12th Standard HSC for Maharashtra State Board chapter 13 - Organisms and Populations [Latest edition]

Chapters

Balbharati solutions for Biology 12th Standard HSC for Maharashtra State Board chapter 13 - Organisms and Populations - Shaalaa.com
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Chapter 13: Organisms and Populations

Exercises
Exercises [Page 307]

Balbharati solutions for Biology 12th Standard HSC for Maharashtra State Board Chapter 13 Organisms and Populations Exercises [Page 307]

Exercises | Q 1.1 | Page 307

Which factor of an ecosystem includes plants, animals, and micro-organisms?

  • Biotic factor

  • Abiotic factor

  • Direct factor

  • Indirect factor

Exercises | Q 1.2 | Page 307

Multiple choice question

An assemblage of individuals of different species living in the same habitat and having functional interactions is _______________.

  • Biotic community

  • Ecological niche

  • Population

  • Ecosystem

Exercises | Q 1.3 | Page 307

Multiple choice question

Association between sea anemone and Hermit crab in gastropod shell is that of _______________.

  • Mutualism

  • Commensalism

  • Parasitism

  • Amensalism

Exercises | Q 1.4 | Page 307

Select the statement which explains the best parasitism.

  • One species is benefited.

  • Both the species are benefited.

  • One species is benefited, other is not affected.

  • One species is benefited, other is harmed.

Exercises | Q 1.5 | Page 307

Growth of bacteria in a newly inoculated agar plate shows ____________.

  • exponential growth

  • logistic growth

  • Verhulst-Pearl logistic growth

  • zero growth

Exercises | Q 2.1 | Page 307

Define the following term and give one example for each:

Commensalism

Exercises | Q 2.1 | Page 307

Define the following term and give one example for each:

Parasitism

Exercises | Q 2.1 | Page 307

Define the following term

Camouflage

Exercises | Q 2.2 | Page 307

Give one example for Mutualism

Exercises | Q 2.2 | Page 307

Give one example for Interspecific competition

Exercises | Q 2.3 | Page 307

Name the type of association: Clownfish and sea anemone

Exercises | Q 2.3 | Page 307

Name the type of association: Crow feeding the hatchling of Koel

Exercises | Q 2.3 | Page 307

Name the type of association: Hummingbirds and host flowering plants

Exercises | Q 2.4 | Page 307

What is the ecological process behind the biological control method of managing pest insects?

Exercises | Q 3.1 | Page 307

How is the dormancy of seeds different from hibernation in animals?

Exercises | Q 3.2 | Page 307

If a marine fish is placed in a freshwater aquarium, will it be able to survive? Give reason.

Exercises | Q 3.3 | Page 307

Name important defense mechanisms in plants against herbivores.

Exercises | Q 3.4 | Page 307

An orchid plant is growing on the branch of the mango tree. How do you describe this interaction between the orchid and the mango tree?

Exercises | Q 3.5 | Page 307

Distinguish between the following: Hibernation and Aestivation.

Exercises | Q 3.5 | Page 307

Distinguish between the following: Ectotherms and Endotherms.

Exercises | Q 3.5 | Page 307

Distinguish between the following: Parasitism and Mutualism

Exercises | Q 3.6 | Page 307

Short answer question

Write a short note on Adaptations of desert animals

Exercises | Q 3.6 | Page 307

Write a short note on Adaptations of plants to water scarcity

Exercises | Q 3.6 | Page 307

Write a short note on Behavioural adaptations in animals

Exercises | Q 3.7 | Page 307

Define Population.

Exercises | Q 3.7 | Page 307

Define Community.

Exercises | Q 4.1 | Page 307

With the help of a suitable diagram describe the logistic population growth curve.

Exercises | Q 4.2 | Page 307

Enlist and explain the important characteristics of a population.

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Chapter 13: Organisms and Populations

Exercises
Balbharati solutions for Biology 12th Standard HSC for Maharashtra State Board chapter 13 - Organisms and Populations - Shaalaa.com

Balbharati solutions for Biology 12th Standard HSC for Maharashtra State Board chapter 13 - Organisms and Populations

Balbharati solutions for Biology 12th Standard HSC for Maharashtra State Board chapter 13 (Organisms and Populations) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board Biology 12th Standard HSC for Maharashtra State Board solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Balbharati textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Biology 12th Standard HSC for Maharashtra State Board chapter 13 Organisms and Populations are Organisms and the Environment Around, Population, Population Interactions, Habitat and Its Types, Niche, Structure of an Ecosystem, Adaptations and Its Types.

Using Balbharati 12th Board Exam solutions Organisms and Populations exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Balbharati Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board 12th Board Exam prefer Balbharati Textbook Solutions to score more in exam.

Get the free view of chapter 13 Organisms and Populations 12th Board Exam extra questions for Biology 12th Standard HSC for Maharashtra State Board and can use Shaalaa.com to keep it handy for your exam preparation

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