Help Contact For teachers and institutes

Mock Tests Classes

StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

Physics
Chemistry
Mathematics
Biology
Python Programming
Statistics & Data Science
Classes
Groups

Practice

Problems
Quizzes
Mock Tests
Prepare for an Exam
Question Sets
Exams
Certificates
Python Labs
AI Practice Generator
Student-Created Tests

Community

Discussions
Resources
Notes
Blog

Account

Log in

© 2026 senLearn. All rights reserved.Help About Contact Privacy Policy Terms of Use Refund Policy

Which one is the correct unit of productivity? | StemPy Lab

Quizzes
Which one is the correct unit of productivity?

BiologyMediumHigh School (11–12)Ecology and Environment › Ecosystems and Food Chains AP A-Level IB AP EAPCET BCECE CUET UG

+11 more exams

GUJCET JCECE JKCET KCET KIITEE LPUNEST MHT-CET OJEE SRMJEEE TS EAPCET VITEEE

Created by StemPy Lab

Which one is the correct unit of productivity?

← All Quizzes

← Which organisms break the detritus into smaller particles?A dark, amorphous substance that is highly resistant to microbial action and decays at an extremely slow rate is →

More onEcology and Environment › Ecosystems and Food Chains

Discussion (0)

Log in to join the discussion.

Loading…

More questions on this topic

A student asks why a food chain in nature seldom has more than four or five trophic levels. Which…Hard
Which of these ecosystems does not depend on the Sun for its energy?Hard
The grass of a meadow holds 41000 kJ of energy in each square metre in a year. Grasshoppers eat…Hard
One large tree feeds thousands of insects, and a few birds eat the insects. What does the pyramid…Medium
A survey of a sea finds more biomass of fishes than of phytoplankton at one moment. What does the…Medium

All questions on this topic →

Problems on this topic

A student writes five statements. Each has one mistake…Hard
A model ecosystem has a gross primary productivity of 6000 kJ in each square metre in a year…Hard
A model ecosystem has a gross primary productivity of 12000 kJ in each square metre in a year…Medium
For each situation, name the limitation of the ecological pyramids that it shows…Medium

All problems on this topic →