The national currency of Sri Lanka is ______.
Anonymous Quiz
46%
Rupee
11%
Euro
22%
Kyat
20%
Ringgit
The natural place of an organism or community is known as
Anonymous Quiz
14%
Niche
15%
Biome
67%
Habitat
5%
Habit
Which statement is correct with respect to the food chain?
Anonymous Quiz
12%
Every component of food chain forms trophic level
20%
Inter-relation between different food chains is known as a food web
13%
All the chains formed by nutritional relations is used to understand energy flow.
55%
All of the above
Which of the following requires maximum energy?
Anonymous Quiz
18%
Secondary consumer
23%
Decomposer
28%
Primary consumer
31%
Primary producer
The ratio between energy flow at different points in a food chain is known as
Anonymous Quiz
16%
Ecological capacity
36%
Ecological efficiency
26%
Ecological assimilation
22%
Ecological potential
The ability of a population to increase under ideal environmental conditions is called
Anonymous Quiz
20%
Natality
25%
Carrying capacity
42%
Biotic potential
13%
Absolute natality
In an ecosystem, the energy flow is always
Anonymous Quiz
49%
Always unidirectional
22%
Always bidirectional
20%
In any direction
9%
Always down directional
Which of the following is a fat-soluble vitamin?
Anonymous Quiz
11%
Vitamin B
18%
Vitamin C
33%
Vitamin B12
37%
Vitamin K
The pyramid of energy is always upright” states that
Anonymous Quiz
30%
The energy conversion efficiency of herbivores is better than carnivores
25%
The energy conversion efficiency of carnivores is better than herbivores
26%
Producers have the lowest energy conversion efficiency
19%
Energy conversion efficiency is the same in all trophic levels.
The upper part of an aquatic ecosystem contains
Anonymous Quiz
11%
Nekton
38%
Plankton
11%
Benthos
40%
both (1) and (2)
What type of food chain is it?
dead animals → blowfly maggot → maggots → frog → snake
dead animals → blowfly maggot → maggots → frog → snake
Anonymous Quiz
26%
Detrital food chain
46%
Decomposer food chain
20%
Predator food chain
9%
Grazing food chain
What is correct for the artificial ecosystem ?
Anonymous Quiz
27%
Biodiversity is less
16%
Biodiversity is High
34%
Ecosystem is can not be form by human
23%
It is more stable than Netural ecosystem
UNIVAC stands for
Anonymous Quiz
12%
Unique Automatic Computer
20%
Universal Array Computer
11%
Unvalued Automatic Computer
57%
Universal Automatic Computer
Which of the following is the first generation computer?
Anonymous Quiz
10%
CDC
26%
IBM
7%
ICL
57%
UNIVAC
How are registers measured?
Anonymous Quiz
20%
Number of programs
40%
Number of bits
20%
Number of Occurence
20%
Number of reference points
In an ecosystem, Which of the following is unidirectional ?
Anonymous Quiz
9%
Sulphar
26%
Organic nutrient
53%
Free energy
12%
Carbon
Who of the following was the Viceroy of India at the time of the formation of Indian National Congress (INC)?
Anonymous Quiz
14%
Lord Mayo
33%
Lord Ripon:
19%
Lord Lansdowne
34%
Lord Dufferin
In an ecosystem, when organisms can be included in more than one trophic lavel?
Anonymous Quiz
34%
Phytoplankton
17%
Fish
34%
Zooplankton
15%
Frog
Which of the following fields of an email hides the identity of the recipients?
Anonymous Quiz
12%
To
18%
From
27%
CC
43%
BCC
Which one is the maximum suitable to from top of the energy pyraimd ?
Anonymous Quiz
40%
Terutiary consumer
21%
Secondary consumer
35%
Producers
3%
None of this
Why Charles Metcalfe is called “The Liberator of Press”?
Anonymous Quiz
17%
For repealing the licensing regulation act of 1810:
43%
For repealing the press act of 1815
26%
For repealing the licensing regulation act of 1823
14%
For repealing the press act of 1830