All Courses
Get the App Signup / Login
Sign in Open App
Class 9 Exam  >  Class 9 Tests  >  Test: Biogeochemical Cycles - Class 9 MCQ

Test: Biogeochemical Cycles - Class 9 MCQ


Test Description

5 Questions MCQ Test - Test: Biogeochemical Cycles

Test: Biogeochemical Cycles for Class 9 2024 is part of Class 9 preparation. The Test: Biogeochemical Cycles questions and answers have been prepared according to the Class 9 exam syllabus.The Test: Biogeochemical Cycles MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Biogeochemical Cycles below.
Solutions of Test: Biogeochemical Cycles questions in English are available as part of our course for Class 9 & Test: Biogeochemical Cycles solutions in Hindi for Class 9 course. Download more important topics, notes, lectures and mock test series for Class 9 Exam by signing up for free. Attempt Test: Biogeochemical Cycles | 5 questions in 10 minutes | Mock test for Class 9 preparation | Free important questions MCQ to study for Class 9 Exam | Download free PDF with solutions
Test: Biogeochemical Cycles - Question 1
Save

Carbon is incorporated into life-forms through:

Detailed Solution for Test: Biogeochemical Cycles - Question 1
By the process of photosynthesis, carbon dioxide is fixed and converted into carbohydrates.

Test: Biogeochemical Cycles - Question 2
Save

The transfer of matter and energy between different components of biosphere is called:

1 Crore+ students have signed up on EduRev. Have you? Download the App
Test: Biogeochemical Cycles - Question 3
Save

The organisms responsible for returning nutrients to the ecosystem include:

Detailed Solution for Test: Biogeochemical Cycles - Question 3
Every part of an ecosystem is vital to its survival – from the green plants to furry animals and microscopic bacteria. The group of organisms called decomposers forms the final link in the food chain. They break down dead animals and plants and return vital nutrients to the soil.
Test: Biogeochemical Cycles - Question 4
Save

Through which process is oxygen returned to the atmosphere?
Detailed Solution for Test: Biogeochemical Cycles - Question 4

photosynthesis is correct answer. 

Test: Biogeochemical Cycles - Question 5
Save

Nitrogen-fixation by bacteria does not occur in the presence of:
Detailed Solution for Test: Biogeochemical Cycles - Question 5
Certain bacteria such as Azotobacter (occur freely in the soil) and Rhizobium (occur in root nodules of leguminous plants as pea, gram, bean, etc), convert the atmospheric nitrogen into water soluble nitrates. The process of biofixation of nitrogen is called as nitrogen fixation.
Enzymes required for biofixation of nitrogen are nitrogenases. There nitrogenases are very suseptible to destruction by oxygen. Many bacteria cease the production of enzymes in the presence of oxygen. Many nitrogen fixing bacteria grow in anaerobic conditions or respire to bring down oxygen levels or binding oxygen with the proteins like leg haemoglobin.
Information about Test: Biogeochemical Cycles Page
In this test you can find the Exam questions for Test: Biogeochemical Cycles solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Biogeochemical Cycles, EduRev gives you an ample number of Online tests for practice

Top Courses for Class 9

Download as PDF

Top Courses for Class 9

Important Questions for Biogeochemical Cycles

Find all the important questions for Biogeochemical Cycles at EduRev.Get fully prepared for Biogeochemical Cycles with EduRev's comprehensive question bank and test resources. Our platform offers a diverse range of question papers covering various topics within the Biogeochemical Cycles syllabus. Whether you need to review specific subjects or assess your overall readiness, EduRev has you covered. The questions are designed to challenge you and help you gain confidence in tackling the actual exam. Maximize your chances of success by utilizing EduRev's extensive collection of Biogeochemical Cycles resources.

Biogeochemical Cycles MCQs with Answers

Prepare for the Biogeochemical Cycles within the Class 9 exam with comprehensive MCQs and answers at EduRev. Our platform offers a wide range of practice papers, question papers, and mock tests to familiarize you with the exam pattern and syllabus. Access the best books, study materials, and notes curated by toppers to enhance your preparation. Stay updated with the exam date and receive expert preparation tips and paper analysis. Visit EduRev's official website today and access a wealth of videos and coaching resources to excel in your exam.

Online Tests for Biogeochemical Cycles

Practice with a wide array of question papers that follow the exam pattern and syllabus. Our platform offers a user-friendly interface, allowing you to track your progress and identify areas for improvement. Access detailed solutions and explanations for each test to enhance your understanding of concepts. With EduRev's Online Tests, you can build confidence, boost your performance, and ace Biogeochemical Cycles with ease. Join thousands of successful students who have benefited from our trusted online resources.
© EduRev
Education Revolution
Follow Us
Signup to see your scores go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup