Biological Classification

Biological Classification Class 11 NEET Questions - Test 01

Question 1

Pigment-containing membranous extensions in some cyanobacteria are [NEET 2013]

A	Heterocysts
B	Basal bodies
C	Pneumatophores
D	Chromatophores

Question 2

Viroids differ from viruses in having [NEET 2017]

A	DNA molecules without protein coat
B	RNA molecules with protein coat
C	RNA molecules without protein coat
D	DNA molecules with protein coat

Question 3

Select the wrong statement. [CBSE AIPMT 2016]

A	The walls of diatoms are easily destructible.
B	‘Diatomaceous earth’ is formed by the cell walls of diatoms.
C	Diatoms are chief producers in the oceans.
D	Diatoms are microscopic and float passively in water.

Question 4

Single­-celled eukaryotes are included in [CBSE AIPMT 2010]

A	protista
B	fungi
C	archaea
D	monera

Question 5

Some hyperthermophilic organisms that grow in highly acidic (pH = 2) habitats belong to the two groups [CBSE AIPMT 2010]

A	Liverworts and yeasts
B	Eubacteria and archaea
C	Cyanobacteria and diatoms
D	Protists and mosses

Question 6

Symbiotic association of fungi and algae is called

A	Lichen
B	Mycorrhiza
C	Rhizome
D	Mycoplasma

Question 7

The causal organism for African sleeping sickness is [CBSE AIPMT 1989]

A	Trypanosoma cruzi
B	Trypanosoma rhodesiense
C	Trypanosoma tangela
D	Trypanosoma gambiense

Question 8

The motile bacteria are able to move by: [CBSE AIPMT 2014]

A	Fimbriae
B	Flagella
C	Cilia
D	Pili

Question 9

Naked cytoplasm, multinucleated and saprophytic are the characteristics of [NCERT]

A	Monera
B	Protista
C	Fungi
D	Slime molds

Question 10

Members of Phycomycetes are found in [NCERT]

i. Aquatic habitats

ii. On decaying wood

iii. Moist and damp places

iv. As obligate parasites on plants

Choose from the following options

A	None of the above
B	i and iv
C	ii and iii
D	All of the above

Question 1

Given below are two statements : Statement I : Mycoplasma can pass through less than 1 micron filter size. Statement II : Mycoplasma are bacteria with cell wall. In the light of the above statements, choose the most appropriate answer from the options given below [NEET 2022]

A	Both Statement I and Statement II are correct
B	Both Statement I and Statement II are incorrect
C	Statement I is correct but Statement II is incorrect
D	Statement I is incorrect but Statement II is correct

Question 2

Which of the following is a correct statement? [NEET 2022]

A	Cyanobacteria are a group of autotrophic organisms classified under kingdom Monera.
B	Bacteria are exclusively heterotrophic organisms.
C	Slime moulds are saprophytic organisms classified under Kingdom Monera.
D	Mycoplasma have DNA, ribosome and cell wall.

Question 3

Which one of the following is wrong for fungi? [CBSE AIPMT 2016]

A	They are eukaryotic.
B	All fungi possess a purely cellulosic cell wall.
C	They are heterotrophic.
D	They are both unicellular and multicellular.

Question 4

Which one of the following is true for fungi? [NEET 2013]

A	They are phagotrophs.
B	They lack a rigid cell wall.
C	They are heterotrophs.
D	They lack nuclear membrane.

Question 5

Anoxygenic photosynthesis is characteristic of [CBSE AIPMT 2014]

A	Rhodospirillum
B	Spirogyra
C	Chlamydomonas
D	Ulva

Question 6

Archaebacteria differ from eubacteria in [CBSE AIPMT 2014]

A	Cell membrane structure
B	Mode of nutrition
C	Cell shape
D	Mode of reproduction

Question 7

Black (stem) rust of wheat is caused by [CBSE Mains 2010]

A	Alternaria solani
B	Ustilago nuda
C	Puccinia graminis
D	Xanthomonas oryzae

Question 8

Choose the wrong statement. [CBSE AIPMT 2015]

A	Morels and truffles are poisonous mushrooms.
B	Yeast is unicellular and useful in fermentation.
C	Penicillium is multicellular and produces antibiotics.
D	Neurospora is used in the study of bio­ chemical genetics.

Question 9

All eukaryotic unicellular organisms belong to [NCERT]

A	Monera
B	Protista
C	Fungi
D	Bacteria

Question 10

A dikaryon is formed when [NCERT]

A	meiosis is arrested
B	the two haploid cells do not fuse immediately
C	cytoplasm does not fuse
D	None of the above