Embibe Experts Solutions for Chapter: Biological Classification, Exercise 3: Level 3

In ascomycetes and basidiomycetes, the dikaryotic cell is:

Consider the following statements.

I. All prokaryotic organism were grouped together under kingdom-Monera.

II. The unicellular eukaryotic organism were placed in kingdom-Protista.

III. Chlorella and Chlamydomonas, both were having cell walls.

IV. Paramecium and Amoeba lack cell walls.

V. Kingdom-Protista has brought together Chlamydomonas, Chlorella with Paramecium and Amoeba. Which of the statements given above are correct?

In some viruses, RNA is present instead of DNA indicating that

Read the following statements w.r.t. viruses and select the correct option:

(a) No virus contains both DNA and RNA.

(b) An inert virus, outside its specific host, is called virion.

 Select a correct statement w.r.t. dikaryotic phase in fungi:

Read the following statements and choose the correct option:

(a) Protein coat of virus is called capsid, which is made up of small units called capsomeres.

(b) Capsomeres are arranged in helical or polyhedral geometric form.

Which of the following statement is NOT true for Euglena?

Consider the following statements w.r.t. viruses and state true (T) and false (F):

(a) Viruses can multiply only when they are inside the living cells.

(b) Virus cannot pass through bacterial proof filter.

(c) Viruses that infect animals have either single- or double-stranded DNA or single-stranded RNA.

(d) Viruses cause diseases such as mumps, smallpox, herpes, citrus canker, and tobacco mosaic disease.