A: Bacteria and Anabaena contain nucleoprotei | vedclass

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Question

(D) $1$. Assertion $(A)$ is false because bacteria and Anabaena (cyanobacteria) are prokaryotes. They do not have a well-defined nucleus or nucleoprot

Vedclass · Accepted Answer

$A$ is false and $R$ is true.

Vedclass · Answer

(D) $1$. Assertion $(A)$ is false because bacteria and Anabaena (cyanobacteria) are prokaryotes. They do not have a well-defined nucleus or nucleoprotein-based chromosomes; instead,they possess a naked circular $DNA$ known as the nucleoid.$2$. Reason $(R)$ is true because Euglena is a protist (eukaryote) and possesses a well-organized nucleus with a nuclear membrane and histone proteins.$3$. Therefore,$A$ is false and $R$ is true.

Column $X$	Column $Y$
$(1)$ Nostoc	$(P)$ Filamentous
$(2)$ Chlamydomonas	$(Q)$ Cyanobacteria
$(3)$ Spirogyra	$(R)$ Colonial algae
$(4)$ Volvox	$(S)$ Unicellular algae

Column-$I$	Column-$II$
$(A)$ Protista	$(i)$ Blue-green algae
$(B)$ Fungi	$(ii)$ Euglenoids
$(C)$ Plantae	$(iii)$ Molds
$(D)$ Animalia	$(iv)$ Conifers

$A$: Bacteria and Anabaena contain nucleoprotein as genetic material.
$R$: Euglena possesses a well-organized nucleus.

Similar Questions

Match Column $X$ with Column $Y$ and select the correct option:
Column $X$ Column $Y$
$(1)$ Nostoc $(P)$ Filamentous
$(2)$ Chlamydomonas $(Q)$ Cyanobacteria
$(3)$ Spirogyra $(R)$ Colonial algae
$(4)$ Volvox $(S)$ Unicellular algae

Auxospores and hormocysts are formed by $.....$ respectively.

The five-kingdom classification system was proposed by whom?

Match the following columns correctly:
Column-$I$ Column-$II$
$(A)$ Protista $(i)$ Blue-green algae
$(B)$ Fungi $(ii)$ Euglenoids
$(C)$ Plantae $(iii)$ Molds
$(D)$ Animalia $(iv)$ Conifers

The five kingdom system of classification suggested by $R.H. Whittaker$ is not based on:

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$A$: Bacteria and Anabaena contain nucleoprotein as genetic material.$R$: Euglena possesses a well-organized nucleus.