Biological Classification Test

#1. Which group shows the most extensive metabolic diversity ?

Plantae

Animalia

Monera

Fungi

NCERT Class 11 Page No.19 1st Paragraph 3rd line

#2. Archaebacteria differ from other bacteria in ?

Nucleoid

Composition of cell wall

Composition of cytoplasm

Composition of genetic material

NCERT Class 11 Page No.19 ( 2.1.1 4th line )

#3. Which group of organisms is responsible for the production of biogas from the dung of cows and buffaloes ?

Methanomonas

Methanogens

Cyanobacteria

Mycoplasma

NCERT Class 11 Page No.19 ( 2.1.1 last line )

#4. Choose the correct statement

Most of the bacteria are autotrophs

All bacteria are heterotrophs

Some bacteria are heterotrophs

Most of the bacteria are heterotrophs

NCERT Class 11 Page No.19 Last Paragraph 1st Line

#5. Which of the following character is common in both cyanobacteria and green plants ?

Cell wall composition

Presence of chlorophyll 'a'

Presence of Nif gene

Presence of 80s ribosome

NCERT Class 11 Page No.19 ( 2.1.2 5th line )

#6. Nostoc can fix atmospheric nitrogen in specialised cell, called

Harmocyst

Harmogonium

Heterocyst

Akinete

NCERT Class 11 Page No.19 ( 2nd Paragraph 7th line from below )

#7. Which process is not performed by bacterial activity?

Production of antibiotics

Fixing nitrogen in legumes

Making curd from milk

Production of pseudomycelium

#8. Choose the correct set of bacterial disease

Mumps, cholera, dengue

Chicken pox, typhoid, mumps

Mumps, tetanus, chicken pox

Cholera, typhoid, tetanus

NCERT Class 11 Page No.20 1st Paragraph 3rd line

#9. Choose the incorrect statement regarding Mycoplasma

They lack cell wall

They are smallest living cell

They can survive without oxygen

They have mesosome for respiration

NCERT Class 11 Page No.20 3rd Paragraph

#10. According to five kingdom system single-celled eukaroytes are placed under

Plantae

Monera

Protista

Fungi

NCERT Class 11 Page No.20 ( 2.2 KINGDOM PROTISTA ) 1st Line

#11. According to five kingdom system, kingdom protista includes

Dinoflagellates, Diatoms, Euglenoids, Slime mould, Bacteria

Eunglenoids, Fungi, Slime mould, Dinoflagellates, Protozoans

Slime mould, Protozoans, Dionflagellates, Diatoms, Euglenoids

Protozoans, Moss, Euglenoids, Slime mould, Diatoms

NCERT Class 11 Page No.20 , 21

#12. Cell wall of diatoms are embedded with

Calcium oxylate crystals

Silica particles

Iron

Calcium carbonate crystals

NCERT Class 11 Page No.20 ( 2.2.1 Chrysophytes 5th line )

#13. Which are chief producers of oceans ?

Diatoms

Dinoflagellates

Euglenoid

Green algae

NCERT Class 11 Page No.20 ( 2.2.1 Chrysophytes Last Line )

#14. Which organism is responsible for making the sea appear red by rapid multiplication ?

Euglena

Noctiluca

Gonyaulax

Trypanosoma

NCERT Class 11 Page No.21 ( 2.2.2 Dinoflagellates 4th line from below )

#15. Euglenoids have a protein rich layer instead of a cell wall. This layer is called as

Epidermis

Skin

Pellicle

Middle layer

NCERT Class 11 Page No.21 ( 2.2.3 Euglenoids 3rd line from Top )

#16. Choose the incorrect statement from following

Dinoflagellates have stiff cellulosic plates on the outer surface

Euglenoids have two flagella, one lies longitudinally and the other transversely

Slime mould spores are dispersed by air currents

In diatoms, the cell walls form two thin overlapping shells, which fit together as in a soap box.

NCERT Class 11 Page No.21

#17. The cell wall of fungi are composed of

Chitin and cellulose

Cellulose and polysaccharides

Chitin and polysaccharides

Chitin, polysaccharides and glycogen

NCERT Class 11 Page No.22 ( 2.3 KINGDOM FUNGI 2nd Paragraph last line )

#18. Which group of organisms is used to make bread and beer ?

Rhizopus

Yeast

Albugo

Neurospora

NCERT Class 11 Page No.22 ( 2.3 KINGDOM FUNGI 1st Paragraph 5th and 6th line from Top )

#19. Fungus prefers to grow in

Warm and humid places

Cold and humid places

Warm and cold both

Warm, cold and humid places

NCERT Class 11 Page No.22 ( 2.3 KINGDOM FUNGI 9th line from Top )

#20. In fungi when the hyphae are continuous and branched tubes and filled with multinucleated cytoplasm, these are called

Unicellular hyphae

Coenocytic hyphae

Multicellular hyphae

Both 1 and 3

NCERT Class 11 Page No.22 ( 2.3 KINGDOM FUNGI 2nd Paragraph 5th line )

#21. In fungi sexual reproduction is by

Fragmentation, Ascospores and Basidiospores

Budding, Conidia, and Basidiospores

Oospores, Ascospores and Basidiospores

Fission, Zoospores, Oospores

NCERT Class 11 Page No.23 2nd Line

#22. Mycelium of members of phycomycetes is

Septate and coenocytic

Aseptate and coenocytic

Septate and multicellular

Septate and unicellular

NCERT Class 11 Page No.23 ( 2.3.1 Phycomycetes 3rd and 4th line )

#23. Choose the incorrect statement about phycomycetes

Members are found in aquatic habitats

Spores are endogenously produced in sporangium

Zygospore is formed by reduction division

Its members reproduce sexually may be isogamous, anisogamous or oogamous.

NCERT Class 11 Page No.23 ( 2.3.1 Phycomycetes 7th line )

#24. Which is not a member of Phycomycetes ?

Albugo

Aspergillus

Rhizopus

Mucor

NCERT Class 11 Page No.23 ( 2.3.1 Phycomycetes last line )

#25. Which fungus is used extensively in biochemical and genetic work ?

Agaricus

Aspergillus

Claviceps

Neurospora

NCERT Class 11 Page No.24 ( 1st Paragraph 2nd Line from Below )

#26. Choose the incorrect statement about ascomycetes

Mycelium is branched and septate

Sexual spores are produced endogenously

They have sac like structure in which karyogamy takes place

Reduction division occurs in fruiting bodies and form conidia

NCERT Class 11 Page No.24 ( 1st Paragraph )

#27. Which group of organism is related with basidiomycetes ?

Mushroom, Ustilago, Aspergillus

Puffballs, Agaricus, Aspergillus

Mushroom, Ustilago, Agaricus

Ustilago, Aspergillus, Agaricus

NCERT Class 11 Page No.24 ( 2.3.3 2nd Line from Below )

#28. Which set of diseases is caused by members of basidiomycetes ?

Rust and smut

Ergot and smut

Ergot and rust

Powdery mildew and rust

NCERT Class 11 Page No.24 ( 2.3.3 2nd Line from Below )

Agaricus (mushroom)

Ustilago (smut)

Puccinia (rust fungus)

#29. Fungi imperfacti are called

members of phycomycetes

members of ascomycetes

members of basidiomycetes

members of deuteromycetes

NCERT Class 11 Page No.24 ( 2.3.4 1st Line )

#30. Which is not found in members of deuteromycetes ?

Asexual reproduction

Mode of nutrition

Structure of mycelium

Sexual reproduction

NCERT Class 11 Page No.24 ( 2.3.4 1st Line )

Commonly known as imperfect fungi because only the asexual or vegetative phases of these fungi are known.

#31. Which of the following are noncellular organisms that are characterized by having an inert crystalline structure outside the living cell

Bacteria

Mycoplasma

Virus

Lichen

NCERT Class 11 Page No.25 ( 2.6 2nd Line from Below )

The viruses are non-cellular organisms that are characterised by having an inert crystalline structure outside the living cell.

#32. Which one of the following statement is true about bacteriophages ?

They are generally single stranded RNA viruses.

They are generally double stranded DNA viruses

They are generally single stranded DNA viruses.

They are generally double stranded RNA viruses

NCERT Class 11 Page No.26 ( 3rd Paragraph 6th Line from top )

#33. Select incorrect statement about viroid

Free infectious RNA

It was discovered by T.O. Diener

It causes potato spindle tuber disease

It contains high molecular weight RNA

NCERT Class 11 Page No.27 ( 4th Line from top )

The RNA of the viroid was of low molecular weight.

#34. Which is incorrect statement ?

The Mycoplasma are organisms that completely lack a cell wall

Mycoplasma can survive without oxygen

Mycoplasma are the smallest living cells.

Mycoplasma are sensitive to penicillin

NCERT Class 11 Page No.20 ( 3rd Paragraph 1st Line )

#35. Generally plant viruses are

Double stranded DNA viruses

Single stranded RNA viruses

Single stranded DNA viruses

Double stranded RNA viruses

NCERT Class 11 Page No.26 ( 3rd Paragraph 4th Line from top )

#36. Select incorrect statement about lichens

These are very good pollution indicators

The algal component of lichen is known as phycobiont

The fungal component of lichen is known as mycobiont

The algal component of lichen is known as mycobiont

NCERT Class 11 Page No.27 ( 6th Line from Below )

#37. Select incorrect statement

W.M. Stanly showed that viruses could be crystallized.

In addition to protein coat viruses also contain genetic material that could be either RNA or DNA

The small sub units of capsid called capsomeres

The small subunits of capsid are called peplomers

NCERT Class 11 Page No.26 and 27

#38. In five kingdom classification of Whittaker, all prokaryotic organism were grouped together under kingdom monera. Among the following statements findout incorrect for Bacteria

Bacteria are gouped under four groups based on their shape

They are simple in structure, but complex in behaviour

They show most extensive metabolic diversity

The vast majority of bacteria are autotrophs

NCERT Class 11 Page No.19 ( 2nd Line from Below )

The vast majority of bacteria are heterotrophs, i.e., they depend on other organisms or on dead organic matter for food.

#39. According to five kingdom system of classification, single celled eukaryotes are placed under protista, members of protista are primarily

Terrestrial

Aquatic

Saprophytic

Epiphytic

NCERT Class 11 Page No.20 ( 2.2 5th Line from top )

#40. Chrysophytes involves

diatoms

dinoflagellates

desmids

both 1 and 3

NCERT Class 11 Page No.20 ( 2.2.1 1st line )

#41. Released toxins of which group of protista is the cause of death of other marine animals such as fishes

Chrysophytes

Dianoflagellates

Desmids

Euglenoids

NCERT Class 11 Page No.21 ( 2.2.2 1st line from Below )

Toxins released by such large numbers may even kill other marine animals such as fishes.

#42. In deprived of sunlight which group of protista behave like heterotrophs by predating on other smaller organisms

Slime moulds

Protozoans

Euglenoids

Dinoflagellates

NCERT Class 11 Page No.21 ( 2.2.3 4th line from Below )

#43. Which of the following group of organisms show a great diversity in morphology and habitat

Chrysophytes

Dinoflagellates

Protozoan protists

Fungi

NCERT Class 11 Page No.22 ( 2.3 2nd line from top )

#44. Kingdom fungi classify into various classes based on some parameters except

Morphology of mycelium

Mode of spore formation

Dikaryophase

Fruiting body

NCERT Class 11 Page No.22 and 23 ( 2.2.2 )

#45. Which of the following is not applicable on phycomycetes

Obligate parasites on plants

Found in moist and damp places

Septate, Coenocytic mycelium

Endogenously produced spores

NCERT Class 11 Page No.23 ( 2.3.1 3rd line from Top )

#46. Majority of members of deuteromycetes are

Autotrophs

Parasites

Decomposers

Symbiotic

NCERT Class 11 Page No.24 ( 2.3.4 2nd line from Below )

#47. In kingdom plantae, alternation of generation is not associated with

Sporophytic and gametophytic phase

Length of haploid & diploid phases

Number of haploid and diploid phases

Freeliving or dependent nature of haploid & diploid phases

#48. About pathogenecity of viruses which among the following is not correct ?

Plant infecting viruses having ssRNA

Animal infecting viruses having single or double stranded RNA or double stranded DNA

Bacteriophages usually have double stranded RNA

Bacterophages usually have double stranded DNA

#49. Virus is a connecting link between living and non living organisms, when it attack on plant, Which among the following donot appear

Gall formation

Mosaic formation

Leaf rolling and curling

Yellowing and vein clearing

#50. Which among the following is the characteristic of viroids

Larger than viruses

Have free infectious DNA

Have free infectious RNA

Have high molecular weight RNA