MCQ
Energy flow in ecosystem is
- ABidirectional
- ✓Unidirectional
- CAll around
- DNone of these
✓
Answer
Correct option: B.
Unidirectional
b
An ecosystem is whole biotic community in a given area plus its abiotic environment. Energy flow in ecosystem is unidirectional, $i.e.$, from producers to consumers.
An ecosystem is whole biotic community in a given area plus its abiotic environment. Energy flow in ecosystem is unidirectional, $i.e.$, from producers to consumers.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Select the correct match for muscle
Identify flower parts $A$ to $D$ in the given diagrams correctly
→Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on:
Why exotic species become invasive sometime and starts spreading fast because of
The maturation of male (anthers) and female (stigma) structures at different times in the same flower (in order to reduce the possibility of self pollination) is called
What do you mean by the term dedifferentiation?
Match the following
→| Column $-I$ (Classes) |
Column $-II$ (Examples) |
||
| $A$ | Psilotopsida | $I$ | Dryopteris, Pteris, Adiantum |
| $B$ | Lycopsida | $II$ | Equisetum |
| $C$ | Sphenopsida | $III$ | Selaginella |
| $D$ | Pteropsida | $IV$ | Lycopodium |
| $V$ | Psilotum |
Study the given figure carefully and select the correct statements regarding this
→$I.$ It represents typical agarose gel electrophoresis which showing differential migration of $DNA$ fragments
$II.$ Lane $1$ contains undigested $DNA$ fragments
$III.$ Lanes $2$ to $4$ contains digested $DNA$ fragment
$IV.$ Smallest $DNA$ bands are present at ( $A$ ) position and largest $DNA$ bands are present at ( $B$ ) position
Match the correct pair.
→| Column $- I$ | Column $- II$ (birds species) |
| $(a)$ Colombia | $(p)\; 1200$ |
| $(b)\; 41^o$ New York | $(q)\; 1400$ |
| $(c)$ India | $(r)\; 105$ |
| $(d)$ Greenland at $71^oN$ | $(s)\; 56$ |
In which process, the $C-C$ bonds of complex compounds break through oxidation within the cells and it is leading to release of considerable amount of energy?
→