Prep
Bee
Pakistan
Pakistan's #1 Free MCQ Practice Platform for Govt Job Exams
MCQs
Categories
Quiz
Past Papers
Quiz Mode
Login
Register
Preparing your study page...
Search MCQs
Search and filters
Search
Subject
Any subject
Agriculture
Biology
Chemical Engineering
Chemistry
Computer Science
Current Affairs
Economics
English
Everyday Science
General Knowledge
Intelligence
International Current Affairs
Islamic Studies
Judiciary And Law
Management Sciences
Mathematics
Mechanical Engineering
Medical Science
Pakistan Current Affairs
Pakistan Studies
Pedagogy
Physical Education
Physics
Psychology
Sociology
Software Engineering
Urdu
Difficulty
Any
Easy
Medium
Hard
Language
Any
English
Urdu
Bilingual
Sort
Latest
Oldest
Most attempted
Apply
MEDIUM
ENGLISH
Agriculture
When a big fish eats a small fish, which easts water-fleas supported by phytoplankton, the water leas are:
A
Primary consumers
Option A
B
Producers
Option B
C
Secondary consumers
Option C
D
Top consumers in this food chain
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
A plant, being eaten by a herbivore which in turn is eaten by a carnivore, makes a:
A
Food chain
Option A
B
Web of food
Option B
C
Biomass
Option C
D
Interdependence
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
The bacteria which attack the dead animals are:
A
First link of the food chain and are known as primary producers
Option A
B
Second link of the food chain and are herbivorous
Option B
C
Third link of the food chain and are tertiary consumers
Option C
D
The end of the food chain and are decomposers
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
If organisms are arranged according to predator-prey relationship one always finds more of prey species then of predator. This is called a:
A
Food web
Option A
B
Pyramid of numbers
Option B
C
Succession
Option C
D
Predator-prey relationship
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
A crocodile had just eaten a lamb when a hawk saw the crocodile attacked it, and consumed it. The hawk is in ecological terms:
A
A producer
Option A
B
A primary consumer
Option B
C
A secondary consumer
Option C
D
A tertiary consumer
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Deers are:
A
Autotrophic
Option A
B
Heterotrophic
Option B
C
Herbivores
Option C
D
Atrophic
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Which group of three living organisms, given below is a link in food chain: Green plants …. Hawk:
A
Grasshopper, frog, snake
Option A
B
Grasshopper, rat, snake
Option B
C
Millipedes, centipedes, sparrow
Option C
D
Earthworm, hen, rat
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
If all the green plants were to disappear from the earth:
A
Only the herbivores will die
Option A
B
All the animal will die
Option B
C
Only the carnivores will die
Option C
D
It will not matter to anyone because chemosynthetic bacteria will produce food for all
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Energy flow and energy transformations in living systems strictly conform to the:
A
Law of limiting factors
Option A
B
Liebig’s law of minimum
Option B
C
Laws of thermo dynamics
Option C
D
Shelford’s law of tolerance
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
The processes involving the transformation of carbon compounds on earth include:
A
Only the plants
Option A
B
Both biological and non-biological processes
Option B
C
Only the living organisms
Option C
D
Only the animals
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
In a food chain the largest population is that of:
A
Producers
Option A
B
Decomposers
Option B
C
Tertiary consumers
Option C
D
Primary consumers
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
The pyramid of numbers in a grassland ecosystem will be:
A
Linear
Option A
B
Upright
Option B
C
Irregular
Option C
D
Inverted
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Which of the following is logical sequence of carbon cycle:
A
Photosynthesis-consumer-decomposer
Option A
B
Decomposer-consumer-photosynthesis
Option B
C
Photosynthesis-decomposer-consumer
Option C
D
Consumer-photosynthesis-decomposer
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
In a forest ecosystem, green plants are:
A
The primary producers
Option A
B
Primary producers only sometimes
Option B
C
The decomposers
Option C
D
The consumers
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Ecosystem has two components:
A
Plants and animals
Option A
B
Weeds and trees
Option B
C
Biotic and abiotic
Option C
D
Frogs and men
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
The word ecosystem was coined by:
A
Daubenmire/R.Misra/Koestle
Option A
B
Tansley
Option B
C
Weaver and Clements
Option C
D
Odum/Kormondy
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
An ecosystem may be defined as:
A
A localized association of several plants and animals
Option A
B
Different communities of plants, animals and microbes, together with their physico-chemical environments
Option B
C
Different communities of plants and microbes plus their physico-chemical environments
Option C
D
None of the above
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Which one of the following terms does not reflect the idea of ecosystem:
A
Holocoene
Option A
B
Cherposem
Option B
C
Biosystem
Option C
D
Geobiocoenosis
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Ecosystem is: ____________?
A
Both open and closed unit depending upon the biomass present
Option A
B
Closed unit
Option B
C
Open unit
Option C
D
Both open and closed unit depending upon community type
Option D
Show Answer
Open Detail
MEDIUM
ENGLISH
Agriculture
Competition for water, minerals, light and space is most severe between two:
A
Closely related species occupying the same niche
Option A
B
Closely related species occupying different niche
Option B
C
Unrelated species occupying the same niche
Option C
D
Species occupying different overlapping ecosystems
Option D
Show Answer
Open Detail
Previous page
1
5747
5748
5749
5750
5751
5754
Next page