Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

Chemical Reactions and Biological Systems Quiz

12 Questions

1 Views

Chemical Reactions and Biological Systems Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which type of reaction absorbs heat from the surroundings?

Endothermic (correct)

Isothermal

Exothermic

Isobaric

What is the primary function of the endocrine system in the body?

Maintaining homeostasis through nerve impulses

Rapid communication through electrical signals

Secreting hormones to regulate bodily functions (correct)

Directing voluntary movements

In the context of homeostasis, which of the following best describes a negative feedback loop?

A feedback loop that maintains stability by opposing a change in a variable (correct)

A feedback loop that initiates the change in a variable

A feedback loop that has no effect on the variable

A feedback loop that amplifies a change in a variable

What is the main component responsible for the greenhouse effect?

Methane (CH4) Signup and view all the answers

How does skin assist in maintaining constant body temperature?

By releasing sweat to cool the body through evaporation Signup and view all the answers

Which environmental factor contributes significantly to the enhanced greenhouse effect?

Rapid deforestation Signup and view all the answers

Balance chemical equations. Draw stick diagrams for water, oxygen, carbon dioxide, ______, nitrogen, ammonia, methane.

hydrogen Signup and view all the answers

Define ______ and give examples of conditions in the body which must be held constant.

homeostasis Signup and view all the answers

Compare and contrast the ______ and endocrine systems.

nervous Signup and view all the answers

Explain (with examples) the role of ______ loops in maintaining homeostasis.

negative feedback Signup and view all the answers

Sketch the structure of skin, explaining how it helps to maintain constant body ______.

temperature Signup and view all the answers

Outline the process of the GH (greenhouse) effect. Identify & explain factors that lead to the enhanced GH effect and climate change (ie: albedo, GH gases --- incl.CO2 , methane and H2O water vapor). Identify & evaluate suggested solutions to the enhanced GH effect/ climate ______.

change Signup and view all the answers