The UN conference of Parties on climate change in the year 2012 was held at:
Options
(a) Doha (b) Lima (c) Warsaw (d) Durban
Correct Answer:
Doha
Explanation:
This conference occured from 20 Nov […]
Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of :
Options
(a) light (b) essential minerals (c) oxygen (d) food
Correct Answer:
oxygen
Explanation:
Due to eutrophication water […]
Acid rain is caused by increase in the atmospheric concentration of:
Options
(a) SO3 and CO (b) CO2 and CO (c) O3 and dust (d) SO2 and NO2
Correct Answer:
SO2 and NO2
Explanation: […]
Outbreeding is an important strategy of animal husbandry because it :
Options
(a) is useful in producing purelines of animals (b) is useful inovercoming inbreeding depression (c) exposes harmful recessive genes that are […]
Which one is wrong statement?
Options
(a) Mucor has biflagellate zoospores (b) Haploid endospermis typical feature of gymnosperms (c) Brown algae have chlorophyll a and c and fucoxanthin (d) Archegonia are found in Bryophyta,Pteridophyta […]
Which of the following are most suitable indicators of SO2 pollution in the environment?
Options
(a) Conifers (b) Algae (c) Fungi (d) Lichens
Correct Answer:
Lichens
Explanation:
Lichens cannot grow in the place […]
The structures that help some bacteria to attach to rocks and / or host tissues are:
Options
(a) Fimbriae (b) Mesosomes (c) Holdfast (d) Rhizoids
Correct Answer:
Fimbriae
Explanation:
Fimbriae assist to some […]
The imperfect fungi which are decomposer of litter and help in mineral cycling belong to:
Options
(a) Basidiomycetes (b) Phycomycetes (c) Ascomycetes (d) Deuteromycetes
Correct Answer:
Deuteromycetes
Explanation:
Class – deutermycetes contains imperfect […]
Pick up the wrong statement
Options
(a) Prostista have photosynthetic andheterotrophic modes of nutrition (b) Some fungi are edible (c) Nuclear membrane is present Monera (d) Cell wall is absent in Animalia
Correct […]
In which group of organisms the cell walls form two thin overlapping shells which fit together?
Options
(a) Euglenoids (b) Dinoflagellates (c) Slime moulds (d) Chrysophytes
Correct Answer:
Chrysophytes
Explanation:
In chrysophytes, the […]
2017 Copyright Doctor Dreams Training Academy