The term species was coined by______.

A Aristotle

B Linnaeus

C John Ray

D Engler

Question 2

"New Systematics" introduced by Sir Julian Huxley in 1940 is also known as

A Biosystematics

B Cladistics

C Phenetics

D Numerical Taxonomy

Question 3

Which one of the following is wrongly matched?

A Puccinia – Smut

B Root pressure – Guttation

C Cassia – Imbricate aestivation

D Root – Exarch protoxylem

Question 4

Nuclear membrane is absent in

A Penicillium

B Nostoc

C Volvox

D Agaricus

Question 5

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

A Plantae

B Algae

C Protista

D Monera

Question 6

Single-celled eukaryotes are included in

A Fungi

B Protista

C Monera

D Archaea

Question 7

Maximum nutritional diversity is found in the group

A Fungi

B Plantae

C Monera

D Animalia

Question 8

Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?

A Diplontic life cycle

B Multiplication by fragmentation

C Mode of Nutrition

D Members of kingdom Plantae

Question 9

Which statement is wrong for viruses?

A All are parasites.

B Antibiotics have no effect on

them.

C They have ability to synthesize

nucleic acids and proteins.

D All of them have helical

symmetry.

Question 10

Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic

group?

A Paramecium and Plasmodium

belong to the same kingdom as

that of Penicillium.

B Nostoc and Anabaena are

examples of protista

C Yeast used in making bread and

beer is a fungus

D

Lichen is a composite organism

formed from the symbiotic

association of an algae and a

protozoan.

Question 11

Which one of the following animals is correctly matched with its particular named taxonomic category?

A Cuttlefish - Mollusca, a class

B Tiger - Tigris, the species

C Housefly - Musca, an order

D Humans - primates, the family

Question 12

Arrange the following in the ascending order of Linnaean hierarchy

A Kingdom – Phylum – Class –

Order – Family – Genus –

Species

B Kingdom – Family – Genus –

Species – Class – Phylum –

Order

C Kingdom – Order – Species –

Genus – Class – Family –

Phylum

D Species – Genus – Family –

Order – Class – Phylum –

Kingdom

Question 13

Which one of the following sets of items in the options (1) - (4) are correctly categorized with one

exception in it?

Options Items Category Exception

(1) UAA, UAG, UGA Stop codons UAG

(2) Kangaroo, Koala, Wombat Australian marsupials Wombat

(3) Plasmodium,Cuscuta,Trypanosoma Protozoan parasites Cuscuta

(4) Typhoid, Pneumonia, Diphtheria Bacterial diseases Diphtheria

A Option (1)

B Option (2)

C Option (3)

D Option (4)

Question 14

Which of the following combination of characters is true for slime molds?

A Parasitic, plasmodium without

walls, spores dispersed by water

B Saprophytic, plasmodium

without walls, spores dispersed

by water

C Parasitic, plasmodium with true

walls, spores dispersed by air

currents

D Saprophytic, plasmodium

without walls, spores dispersed

by air currents

Question 15

Taxonomic hierarchy refers to

A A list of botanists or zoologists

who have worked on taxonomy of

a species or group

B A group of senior taxonomists

who decide the nomenclature of

plants and animals

C Step-wise arrangement of all

categories for classification of

plants and animals

D Classification of a species based

on fossil record

Ans. 1 to 15

1. c

2. b

3. a

4. b

5. c

6. b

7. c

8. b

9. d

10. c

11. b

12. d

13. c

14. d

15. c

Question 16

Identify from the following, the only taxonomic category that has a real existence.

A Phylum

B Species

C Genus

D Kingdom

Question 17

In five kingdom system, the main basis of classification is

A Structure of cell wall

B Nutrition

C Structure of nucleus

D Asexual reproduction

Question 18

In which kingdom would you classify the archaea and nitrogen-fixing organism, if the five-kingdom system

of classification is used

A Protista

B Fungi

C Plantae

D Monera

Question 19

The Phylogenetic system of classification was put forth by

A Theophrastus

B George Bentham and Joseph

Dalton Hooker

C Carolus Linnaeus

D Adolf Engler and Karl Prantl

Question 20

Which series ends with the cohort umbellales in Bentham and Hooker's system of classification?

A Heteromerae

B Disciflorae

C Thalamiflorae

D Calyciflorae

Question 21

Which one of the taxonomic aids can give comprehensive account of complete compiled information of

any one genus or family at a particular time?

A Taxonomic key

B Flora

C Herbarium

D Monograph

Question 22

A perennial shrub has compound leaves and solitary zygomorphic and epigynous flowers. Each flower

reveals dichlamydeous condition with many stamens and multiple fruit with exalbuminous seeds. What is

the ratio of advanced and primitive charactrs in it?

A 1: 2

B 2: 3

C 1: 1

D 3: 2

Question 23

Classification of organisms based on evolutionary as well as genetic relationships is called

A Numerical taxonomy

B Phenetics

C Biosystematics

D Cladistics

Question 24

Phenetic classification of organisms is based on

A Sexual characteristics

B Dendrogram based on DNA

characteristics

C The ancestral lineage of existing

organisms

D Observable characteristics of

existing organisms

Question 25

In angiosperm, characters of flowers are used in classification because

A Flowers are attractive

B Flowers are large

C Characters of flowers are

conservative

D None of the above

Question 26

Biosystematics aims at

A Identification and arrangement

of organisms on the basis of

cytological characteristics

B The classification of organisms

based on broad morphological

characters

C Delimiting various taxa of

organism and establishing their

relationships

D

The classification of organisms

based on their evolutionary

history and establishing their

phylogeny on the totality of

various parameters from all

fields of studies

Question 27

Practical purpose of taxonomy or classification

A To know the evolutionary

history

B Explain the origin of organisms

C Facilitate the identification of

unknown species

D Identification of medicinal plants

Question 28

Two plants can be conclusively said to belong to the same species if they

A Have more than 90 percent

similar genes

B Can reproduce freely with each

other and form seeds

C Have same number of

chromosomes

D Look similar and possess

identical secondary metabolites

Question 29

One of the most important functions of botanical gardens is that

A One can observe tropical plants

there

B They provide the natural habitat

for wild life

C They allow ex-situ conservation

of germplasm

D They provide a beautiful area for

recreation

Question 30

Which of the following is a merit in the Bentham and Hooker's system of classification?

A The placement of family -

Asteraceae in the beginning of

Gamopetalae

B The placement of order - Ranals

in the beginning

C Closely related families are

placed apart

D The position of gymnosperms in

between dicots and monocots

Ans. 16 to 30

16. b

17. b

18. d

19. d

20. d

21. d

22. c

23. d

24. d

25. c

26. d

27. c

28. b

29. c

30. b

Question 31

Common cold differs from pneumonia in, that

A

Pneumonia is caused by a virus

while the common cold is caused

by the bacterium Haemophilus

influenzae

B

Pneumonia pathogen infects

alveoli whereas the common

cold affects nose and respiratory

passage but not the lungs

C

Pneumonia is a communicable

disease whereas the common

cold is a nutritional deficiency

disease

D

Pneumonia can be prevented by

a live attenuated bacterial

vaccine whereas the common

cold has no effective vaccine

Question 32

Cirrhosis of liver is caused by the chronic intake of

A Tobacco (Chewing)

B Cocaine

C Opium

D Alcohol

Question 33

Which one of the following in not a property of cancerous cells whereas the remaining three are?

A They divide in an uncontrolled

manner

B They show contact inhibition

C They compete with normal cells

for vital nutrients

D They do not remain confined in

the area of formation

Question 34

Motile zygote of Plasmodium occurs in

A Human RBCs

B Human liver

C Gut of female Anopheles

D Salivary glands of Anopheles

Question 35

In which one of the following options the two examples are correctly matched with their particular type of

immunity?

Examples Type of immunity

(1) Saliva in mouth and tears in

eyes Physical barriers

(2) Mucus coating of epithelium

lining the urogenital tract and

the HCl in stomach

Physiological barriers

(3) Polymorphonuclear

leukocytes and monocytes Cellular barriers

(4) Anti-tetanus and anti-snake

bite injections Active immunity

A Example (1)

B Example (2)

C Example (3)

D Example (4)

Question 36

Compare the statements A and B. Statement A: Ranikhet disease is the disease of poultry.Statement B:

It is caused by a virus. Select the correct description :

A Statement A is correct and B is

wrong.

B Statement A is wrong and B is

correct.

C Both the statements A and B are

wrong.

D Both the statements A and B are

correct.

Question 37

Infectious proteins are present in

A Satellite viruses

B Gemini viruses

C Prions

D Viroids

Question 38

Match the disease in Column I with the appropriate items (pathogen/prevention/ treatment) in Column II.

Column I Column II

(a)

Amoebiasis (i) Treponema pallidum

(b)

Diphtheria (ii) Use only sterilized food and water

(c) Cholera (iii) DPT Vaccine

(d) Syphilis (iv) Use oval rehydration therapy

A a - (ii), b - (iii), c - (iv), d - (i)

B a - (i), b - (ii), c - (iii), d - (iv)

C a - (ii), b - (iv), c - (i), d - (iii)

D a - (ii), b - (i), c - (iii), d - (iv)

Question 39

Select the correct statement with respect to diseases and immunization.

A

If due to some reason B and T

lymphocytes are damaged, the

body will not produce antibodies

against a pathogen

B Injection of snake antivenom

against snake bite is an example

of active immunization

C Certain protozoans have been

used to mass produce hepatitis B

vaccine

D Injection of dead/inactivated

pathogens causes passive

immunity

Question 40

The pathogen Microsporum responsible for ringworm disease in humans belongs to the same Kingdom of

organisms as that of

A Taenia, a tapeworm

B Ascaris, a round worm

C Rhizopus, a mould

D Wuchereria, a filarial worm

Question 41

Where will you look for the sporozoites of the malarial parasite?

A Red blood corpuscles of humans

suffering from malaria

B Saliva of infected female

Anopheles mosquito

C Salivary glands of freshly

moulted female Anopheles

mosquito

D Spleen of infected humans

Question 42

Which one of the following acts as a physiological barrier to the entry of microorganisms in human body?

A Tears

B Skin

C Monocytes

D Epithelium of Urogenital tract

Question 43

Which one of the following options gives the correct matching of a disease with its causative organism

and mode of infection

Disease Causative

Organisms Mode of Infection

(1) Elephantiasis Wuchereria

bancrofti

With infected water

and food

(2) Malaria Plasmodium vivax Bite of male

Anopheles mosquito

(3) Typhoid Salmonella typhi With inspired air

(4) Pneumonia Streptococcus

Pneumoniae Droplet infection

A Option (1)

B Option (2)

C Option (3)

D Option (4)

Question 44

Which one of the following pairs of diseases is viral as well as transmitted by mosquitoes?

A Encephalitis and sleeping

sickness

B Yellow fever and sleeping

sickness

C Elephantiasis and Dengue

D Yellow fever and Dengue

Question 45

Goitre can occur as a consequence of all the following except :

A Iodine deficiency

B Pituitary Adenoma

C Grave’s disease

D Excessive intake of exogenous

thyroxine

Ans. 31 to 45

31. b

32. d

33. b

34. c

35. c

36. d

37. c

38. a

39. a

40. c

41. b

42. a

43. d

44. d

45. d

Question 46

Which one of the following is a wrong statement?

A Greenhouse effect is a natural

phenomenon

B Eutrophication is a natural

phenomenon in freshwater

bodies

C Most of the forests have been

lost in tropical areas

D Ozone in upper part of

atmosphere is harmful to animals

Question 47

In an area where DDT had been used extensively, the population of birds declined significantly because

A Cobras were feeding exclusively

on birds

B Many of the birds eggs laid, did

not hatch

C Birds stopped laying eggs

D Earthworms in the area got

eradicated

Question 48

Measuring Biochemical Oxygen Demand (BOD) is a method used for

A

Measuring the activity of

Saccharomyces cerevisiae in

producing curd on a commercial

scale

B Working out the efficiency of

R.B.Cs. about their capacity to

carry oxygen

C Estimating the amount of

organic matter in sewage water

D Working out the efficiency of oil

driven automobile engines

Question 49

dB is a standard abbreviation used for the quantitative expression of

A The dominant Bacillus in a

culture

B The density of bacteria in a

medium

C A certain pesticide

D A particular pollutant

Question 50

Identify the correctly matched pair

A Basal Convention – Biodiversity

Conservation

B Montreal Protocol - Global

warming

C Kyoto protocol – Climatic

change

D Ramsar Convention – Ground

water pollution

Question 51

Common indicator organism of water pollution is:

A Entamoeba histolytica

B Escherichia coli

C Eichhornia crassipes

D Lemna paucicostata

Question 52

Shell of egg in bird becomes thin (not properly formed) due to the pollution of pesticides. This is due to

interference in the activity of :

A Calmodulin

B Mg ATPase

C Ca ATPase

D None of these

Question 53

Lichens can be used as :

A Source of wood

B Initial vegetation for waste lands

C Bio-indicator for water and air

pollution

D To check the air pollution

Question 54

Industrial melanism is an example of

A Protective resemblance with the

surrounding

B Drug resistance

C Defensive adaptation of skin

against UV radiations

D Darkening of skin due to

industries

Question 55

Carbon dioxide is called green-house gas because it is

A Transparent to sunlight but traps

heat

B Transparent to heat but traps

sunlight

C Used in green-house to increase

plant growth

D Transparent to both sunlight and

heat

Question 56

Trichoderma harzianum has proved a useful microorganism for:

A Reclamation of wastelands

B Bioremediation of contaminated

soils

C Biological control of soil-borne

plant pathogens

D Gene transfer in higher plants

Question 57

The two gases making highest relative contribution to the greenhouse gases are

A CO2 and N2O

B CO2 and CH4

C CH4 and N2O

D CFC5 and N2O

Question 58

The slow rate of decomposition of fallen logs in nature is due to their:

A Poor nitrogen content

B Low moisture content

C Low cellulose content

D Anaerobic environment around

them

Question 59

Which one of the following is not a bioindicator of water pollution?

A Blood-worms

B Sludge-worms

C Sewage fungus

D Stone flies

Question 60

Which one of the following is the correct percentage of the two (out of the total of 4) green house gases

that contribute to the total global warming?

A CO2 40%,CFCs 30%

B CFCs 14%, Methane 20%

C Methane 20%, N2O 18%

D N2O 6%, CO2 86%

Ans. 46 to 60

46. d

47. b

48. c

49. d

50. c

51. b

52. a

53. c

54. a

55. a

56. b

57. b

58. a

59. d

60. b

Question 61

Which one of the following is a correctstatement?

A Antheridiophores and

archegoniophores are present in

pteridophytes.

B Origin of seed habit can be

traced in pteridophytes.

C Pteridophyte gametophyte has a

protonemal and leafy stage.

D In gymnosperms female

gametophyte is free-living.

Question 62

Which one of the following is a correctstatement?

A Fronds are found in Bryophytes.

B Heterocysts are found in Nostoc.

C Diatoms produce basidiospores.

D Multiciliated sperms are found in

Angiosperms.

Question 63

In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a

result:

A There is high degree of sterility

B There is no change in success

rate of fertilization

C Self fertilization is prevented

D One can conclude that the plant

is apomictic

Question 64

Cycas and Adiantum resemble each other in having:

A Cambium

B Vessels

C Seeds

D Motile Sperms

Question 65

In which of the following, all listed genera belong to the same class of algae

A Porphyra, Ectocarpus, Ulothrix

B Volvox, Spirogyra,

Chlamydomonas

C Chara, Fucus, Polysiphonia

D Sargassum, Laminaria,

Gracillaria

Question 66

In a moss the sporophyte

A Arises from a spore produced

from the gametophyte

B produces gametes that given rise

to the gametophyte

C is partially parasitic on the

gametophyte

D Manufactures food for itself, as

well as for the gametophyte

Question 67

Algae have cell wall made up of

A Hemicellulose, pectins and

proteins

B Cellulose, galactans and

mannans

C Cellulose, hemicellulose and

pectins

D Pectins, cellulose and proteins

Question 68

Mosses and ferns are found in moist and shady places because both :

A depend for their nutrition on

micro-organisms which can

survive only at low temperature

B do not need sunlight for

photosynthesis

C require presence of water for

fertilization

D cannot compete with sun-loving

plants

Question 69

In gymnosperms, the pollen chamber represents:

A A cavity in the ovule in which

pollen grains are stored after

pollination

B A cell in the pollen grain in

which the sperms are formed

C The microsporangium in which

pollen grains develop

D

An opening in the

megagametophyte through

which the pollen tube

approaches the egg

Question 70

If you are asked to classify the various algae into distinct groups, which of the following characters you

should choose?

A Nature of stored food materials

in the cell

B Types of pigments present in the

cell

C Chemical composition of the cell

wall

D Structural organization of thallus

Question 71

Sexual reproduction in Spirogyra is an advanced feature because it shows:

A Morphologically different sex

organs

B Same size of motile sex organs

C Different size of motile sex

organs

D Physiologically differentiated

sex organs

Question 72

Spore dissemination in some liverworts is aided by :

A Indusium

B Elaters

C Peristome teeth

D Calyptra

Question 73

Identify the alga known for a biological activity called bioluminescence.

A Spirogyra

B Noctiluca

C Cyclotella

D Chlorella

Question 74

Which of the following groups of algae do not have eukaryotic organization?

A Blue green algae

B Green algae

C Golden brown algae

D Red algae

Question 75

Assertion: Red algae contribute in producing coral reefs.

Reason: Some red algae secrete and deposit calcium carbonate over their walls.

A Both the Assertion and the

Reason are true and the Reason

is a correct explanation of the

Assertion.

B

Both the Assertion and the

Reason are true but the Reason is

not a correct explanation of

Assertion.

C Assertion is true but the Reason

is false.

D Assertion is false but the Reason

is true.

Ans. 61 to 75

61. b

62. b

63. c

64. d

65. b

66. c

67. b

68. c

69. a

70. a

71. b

72. d

73. b

74. d

75. b