Related Questions
Which one of the following does not belong to kingdom-Monera?
Mycoplasma
Achaebacteria
Slime mould
Eubacteria
All of the following are advantages of using pea plants for genetic studies EXCEPT:
Distinct contrasting traits.
Ease of cultivation.
Relatively short generation time.
Inherent resistance to common plant diseases.
What is common about Trypanosoma,Noctiluca Monocystis and Giardia?
These are all unicellular protists
They have flagella
They produce spores
These are all parasites
Kingdom-Protista includes
Life cycle showing sporic meiosis
Life cycle showing zygotic meiosis
Life cycle showing gametic meiosis
Both (2) and (3)
Which of the following is not a character of Protista?
Eukaryotic cell structure
Presence of complex tissue organization
Mostly unicellular
Can be autotrophic or heterotrophic
Type of sexual reproduction in protists, bearing diploid chromosome is
Zygotic meiosis
Binary fission
Cyst formation
Gametangial meiosis
The given statements describes a group of organism
I. Instead of a cell wall, they have a protein rich layer called pellicle which makes their body flexible
II. They have two flagella a short and a long one
III. They are photosynthetic in the presence of sunlight, when deprived of sunlight they behave like heterotrophs by predating on other smaller organism
Which of the following group is referred here?
Slime moulds
Dinoflagellates
Euglenoids
Protozoans
Diatoms are major producers of:
Carbon dioxide
Nitrogen
Oxygen
Methane
Analyse the following statement and identify the correct option given below
I. In diatoms the walls are embedded with silica and thus, the walls are indestructible
II. Diatoms have left behind large amount of cell wall deposits in their habitat, this accumulation over billions of year is referred to as diatomaceous deposition or diatomaceous earth
I is true, but II is false
I is false, but II is true
I and II are true
I and II are false
Select the incorrect statement for slime moulds
They lack a cell wall in their vegetative phase
They are heterotrophic
They form spores
They are parasitic in nature