12th Standard CBSE Syllabus & Materials

12th Standard CBSE

CBSE 12th Economics Government Budget and the Economy Previous year Question Papers Study Material - QB365 Set A

NEW

12th Standard CBSE

CBSE 12th Computer Science Interface Python with MySQL - New Previous year Question Papers Study Material - QB365 Set A

NEW

12th Standard CBSE

CBSE 12th Computer Science Database Concept - New Previous year Question Papers Study Material - QB365 Set A

NEW

12th Standard CBSE

CBSE 12th Computer Science Data Communication - New Previous year Question Papers Study Material - QB365 Set A

NEW

12th Standard CBSE

CBSE 12th Computer Science Data Structures - New Previous year Question Papers Study Material - QB365 Set A

NEW

12th Standard CBSE

CBSE 12th Computer Science Functions - New Previous year Question Papers Study Material - QB365 Set A

CBSE 12th Standard Biology Subject Ecosystem Ncert Exemplar 1 Mark Questions 2021

Published on: 25/05/2021

QB365 Provides the updated NCERT Examplar Questions for Class 12 Biology, and also provide the detail solution for each and every ncert examplar questions , QB365 will give all kind of study materials will help to get more marks

Download CBSE Class 12th Standard CBSE Biology question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Biology

Questions + Answers key

Take MCQ Biology Test

QB365 Student Learing Managemnet System

Std: 12th Standard CBSE - Biology

chapter: - NCERT Exemplers

Visit QB365-SLMS - https://www.qb365.in/slms/ Complete Questions and Answers

Questions:

1 Marks

7 x 1 = 7

State what does a standing crop of a trophic level represent.

Name any two organisms, which can occupy more than one trophic level in an ecosystem

In an aquatic ecosystem, the limiting factor for the productivity is ______

How is stratification represented in forest ecosystem?

Arrange the following as observed in vertical stratification of a forest: Grass, Shruby plants, Teak, Amaranths.

What does the base tier of the ecological pyramid represent?

How much of the net primary productivity of a terrestial ecosystem is eaten and digested by herbivores?

Visit QB365-SLMS - https://www.qb365.in/slms/

Answers Key:

1 Marks

7 x 1 = 7

()
Standing crop represents the total amount of living matter or organic matter present in an ecosystem in a unit area and at a specific time.

()
Human being (man) and birds (sparrow) can be frequently seen in more than one trophic level, in an ecosystem.

()
Sunlight

()
Stratification is the way in which different species in an ecosystem are placed or arranged vertically, occupying different levels.It is a way of minimising competition for limited resources vital for survival.