Download App

Ecosystems — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYEcosystems2 Marks
Question
Differentiate between a detritivore and a decomposer giving an example of each.
✓

Answer

Detrivore feeds on dead plants and animals/detritus.

Example: Earthworm/Nematodes.

Decomposer breaks down complex (organic) matter in (inorganic) matter.

Example: Fungus/Bacteria.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Short Answer Type Questions [2M]" from Ecosystems→Ecosystems — all question types→BIOLOGY STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

Name the type of food chains responsible for the flow of larger fraction of energy in an aquatic and a terrestrial ecosystem respectively. Mention one difference between the two food chains.
→
Would it be appropriate to use DNA probes such as VNTR in DNA fingerprinting of a bacteriophage?
→
If a patient is advised Anti Retroviral Therapy, which infection is he suffering from? Name the causative organism.
→
Define the following and give one example of each (a) False fruit, (b) True fruit, (c) Parthenocarpic fruit, (d) Polyembryony.
→
Define spermicides. Also, mention their use and mode of contraceptive action.
→
Following is the process of curd formation from milk.

Milk is incubated with curd

$\downarrow$

LAB grows in milk

$\downarrow$

(a) Production

$\downarrow$

Coagulation and digestion of milk protien

$\downarrow$

Improved nutritional quality by (b)
  1. What does (a) and (b) signifies in the flow chart.
  2. Expand the word LAB.
→
How do Darwin’s finches illustrate adaptive radiation?
→
A, B, D are three independently assorting genes with their recessive alleles a, b, d, respectively. A cross was made between individuals of Aa bb DD genotype with aa bb dd. Find out the type of genotypes of the offspring produced.
→
Mention the reasons for difference in ploidy of zygote and primary endosperm nucleus in an angiosperm.

OR

In angiosperms, zygote is diploid while primary endosperm cell is triploid. Explain.

→
Suggest a place where one can go to study coral reefs, mangrove vegetation and estuaries.
→