Which of the following statement(s) is/are correct about mycoplasma ?
(1)Mycoplasma has no cell wall.
(2)Mycoplasma is the smallest living organism.
(3)Mycoplasma cannot survive without O2.
(4)Mycoplasma are pathogenic in animals and plants.
(5)True sexuality is not found in bacteria.
(6)A short of sexual reproduction by adopting a primitive DNA transfer from one bacterium to the other occurs.
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Which of the following is correct about the slime mould ?
(1)Its thalloid body, Plasmodium has pseudopodia for locomotion and engulfing organic matter.
(2)During unfavourable conditions Plasmodium differentiates and produces fruiting bodies, sporangium.
(3)Spores posses no true cell wall.
(4)They are dispersed by air current.
(5)Being extremely resistant, spores survive for many years.
(6)Plasmodium can grow upto several feet.
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Fungi can be parasites on –
(1)Animals
(2)Human being
(3)Plants
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Which of the following statments are true about virues ?
(1)Viruses are obligate parasites
(2)Viruses can multiply only when they are inside the living cells
(3)Viruses cannot pass through bacterial proof filters
(4)Viruses are made up of protein + DNA or RNA (never both DNA and RNA)

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Which one of the following pathogens causes canker disease ?

In the five-kingdom classification, Chlamydomonas and Chlorella have been included in

The highest number of species in the world is represented by

Organisms called methanogens are most abundant in a :

In eubacteria, a cellular component that resembles eukaryotic cells is :

Which one of the following organisms is not an example of eukaryotic cells ?