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Home>Online Tests>Biology2000
KCET SOLVED QUESTION PAPER
Biology 2000
Correct answers are given in Green 
Questions                    Answers
1.  

Match the names of activities listed under column-I
with the description of activity given under
column - II; Choose the answer which gives the
correct combination of the alphabets of the two columns

1

Column - I  (Activities)
1
Column - II
(Description of Activity)
A
Transpiration
p
 Anaerobic respiration in yeast
B
Guttation
q
 Active absorption of water
C
Exudation
r
 Loss of water vapour from plant parts
D
Fermentation
s
 Loss of liquid water from leaves
1
1
t
 Loss of water from injured plant parts

 

 a) A = r, B = s, C = t, D = p
b) A = s, B = r, C = p, D = t
c) A = q, B = r, C = s, D = t
d) A = p, B = t, C = s, D = r
2.

Match the names of activities listed under column - I with the
description of activity given under column - II; Choose the answer which gives the correct combination of the alphabets of the two columns
1

Column - I  (Activities)
1
Column - II
(Description of Activity)
A
Transpiration
p
 Anaerobic respiration in yeast
B
Guttation
q
 Active absorption of water
C
Exudation
r
 Loss of water vapour from plant parts
D
Fermentation
s
 Loss of liquid water from leaves
1
1
t
 Loss of water from injured plant parts
a) A = r, B = s, C = t, D = p
b) A = s, B = r, C = p, D = t
c) A = q, B = r, C = s, D = t
d) A = p, B = t, C = s, D = r
3.   The largest gland in the human body is  

a) liver
b) gall bladder
c) brain
d) pancreas

4. The atmospheric humidity is measured by a) Hygrometer
b) Auxanometer
c) Potometer
d) Photometer
5.   A cross between F1 hybrid and the recessive parent is called a) Test Cross
b) Trihybrid Cross
c) Dihybrid Cross
d) Monohybrid Cross
6.   Match the digestive juices listed under Column-I with the
enzymes given under Column-II; Choose the choice which
gives the correct combination of the alphabets of the two
columns.
111

Column - I (Digestive juices)
1

Column - II (Enzymes)

A

Saliva

p

Disaccharases

B

Gastric juice

q

Trypsin

C

Pancreatic juice

r

Ptyalin

D

Intestinal juice

s

Pepsin
1
 1

t

Cellulase
  a) A = s, B = r, C = p, D = t
b) A = r, B = s, C = q, D =p
c) A = r, B = s, C = p, D = t
b) A = r, B = t, C = p, D = q
7.   Match the names of the parts listed under column-I with the
names of the organs listed under column-II; Choose the answer which gives the correct combination of the alphabets

1

Column - I (Parts)
1

Column - II
(Organs)

A

Bicuspid valve

p

Brain

B

Nephron

q

Liver

C

Alveoli

r

Heart

D

Cerebrum

s

Kidney
1
 1

t

Lungs
a) A = r, B = s, C = t, D = p
b) A = r, B = t, C = s, D = p
c) A = s, B = r, C = p, D = t
d) A = s, B = q, C = p,D = t
8. Cell eating is called a) Phagocytosis
b) Pinocytosis
c) Diffusion
d) Osmosis
9.   Ichthyophis is a   a) limbless mammal
b) limbless amphibian
c) limbless reptile
d) Worm
10. The following organism causes the African sleeping sickness. a) Trypanosoma
b) Plasmodium
c) Amoeba
d) Paramecium
11.   NEERI is a) National Eugenics and  Ecological   Research Institute
b) National Ethological and  Ecological
    Research Institute
c) National Environmental  Engineering
    Research Institute
d) National Ecological and  Environment
    Research Institute
12. In a human being, the number of cranial nerves are   a) 20 pairs
b) 6 pairs
c) 12 pairs
d) 10 pairs
13. The animal used to explain industrial melanism is a) peppered moth
b) monkey
c) frog
d) lizard
14.

Match the animals list with names under column-I with the
animals listed with regular zoological name given under
column - II ; Choose the answer which gives the correct
combination of the alphabets of the two columns.

1

Column - I
(Animal with common name)
1

Column - II
(Animals with Zoological name)

A

Starfish

p

Sepia

B

Jellyfish

q

Astropecten

C

Devilfish

r

Aurelia

D

Cuttlefish

s

Octopus
1
 1

t

Hippocampus

 

   a) A = t, B = s, C = p, D = r
b) A = t, B = p, C = s,D = q
c) A = q, B = r, C = s,D = p
d) A = q, B = p, C = s,D = r
15 Match the names of the diseases/disorders given under
column-I with the organ system affected under column-II;
Choose the answer which gives the correct combination of
the alphabets of the columns.

1

Column - I (Diseases/Disorders)
1

Column - II
(Organ System)

A

Emphysema

p

Nervous system

B

Ulcer

q

Circulatory system

C

Arteriosclerosis (AS)

r

Respiratory system

D

Epilepsy

s

Digestive system
1
 1

t

Excretory system
  a) A = r, B = t, C = p, D = q
b) A = r, B = s, C = p, D = t
c) A = r, B = s, C = q,D = p
d) A = r, B = s, C = t, D = q
16.

In the diagram of the T.S. of Helianthus stem given below,
certain parts have been indicated by alphabets; choose
the answer in which these alphabets have been correctly
matched with the parts which they indicate

 

a) A = Epidermal hairs,
    B = Epidermis,
    C = Hypodermis (collenchyma),
    D = Parenchyma,   
    E = Starch Sheath,
    F = Bundle cap 
    G = Vascular bundle,
    H = Medullary rays,
    I = Medulla or pith
b) A = Epidemis,
    B = Epidermal hairs,
    C = Parenchyma,
    D = Starch Sheath,
    E = Hypodermis  (collenchyma),
    F = Vascular Bundle 
    G = Bundle cap,
    H = Medulla or pith,
    I = Medullary rays
c) A = Epidormal hairs,
    B = Epidermis,
    C = Parenchyma,
    D = Hypodermis  (collenchyma),
    E = Starch sheath,
    F = Vascular bundle
    G = Bundle cap,
    H = Medulla or pith,
    I = Medullary rays
d) A = Epidermal hairs,
    B = Epidermis,
    C = Hypodermis  (collenchyma),
    D = Starch sheath,
    E = Parenchyma,
    F = Vascular bundle,
    G = Bundle cap,
    H = Medulla or pith,
    I = Medullary rays
17. A molecule of sedoheptulose has carbon atoms numbering a) 7
b) 6
c) 4
d) 3
18. The genus Euphorbia has a) Cyathium
b) Catkin
c) Thyrsus
d) Spike
19.   The lac operon concept of Escherichia Coli was proposed in
1961 by		 a) Jacob and Monod
b) Meselson and Stahl
c) H.G. Khorana
d) Watson and Crick
20. Heart wood helps in   a) circulation of solutes
b) mechanical support
c) translocation of food
d) ascent of sap
21.
Match the names of Triplet condons listed unhder column-I
with the aminoacids given under column-II. Choose the answer
which gives the correct combination of the alphabets of the
two clumns.

1

Column - I (Triplet condons)
1

Column - II
(Aminoacids)

A

UUU

p

Alanine

B

CCC

q

Glycine

C

AAA

r

Lysine

D

GGG

s

Proline
1
 1

t

Phenyl Alanine
a) A = t, B = s, C = r, D = q
b) A = s, B = t, C = q, D = r
c) A = q, B = r, C = s, D = t
d) A = p, B = r, C = s, D = t
22. Emerson effect is associated with   a) Transpiration
b) Photosynthesis
c) Salt absorption
d) Respiration
23. Match the names of the structures listed under column-I with
the functions given under cloumn-II; Choose the answer which
gives the correct combination of the alphabets of the two
columns

1

Column - I
(Structure)
1

Column - II
(Function)

A

Stomata

p

Protection of stem

B

Bark

q

Plant movements

C

Cambium

r

Secondary growth

D

Hydathode

s

Transpiration
1
 1

t

Guttation

a) A = s, B = p, C = r, D = t
b) A = q, B = s, C = p, D = r
c) A = p, B = s, C = t, D = r
d) A = t, B = r, C = p, D = s
24. The species of animal protected in Kaziranga sanctuary is   a) Panthera tigris
b) Macaca mulatta
c) Rhinoceros unicornis
d) Panthera leo
25.   The concept of ecological pyramids was developed by   a) Odum
b) Reiter
c) Elton
d) Darwin
26. Queen Victoria of England was   a) Deaf
b) AIDS patient
c) Colour blind
d) Haemophiliac
27.   Ion carriers are located in   a) nucleus
b) cell membranes
c) intercellular spaces
d) Cell wall
28. The chemical formula of chlorophyll-b is   a) C55 H70 O5 N5 Mg
b) C55 H70 O6 N4 Mg
c) C55 H72 O5 N4 Mg
d) C55 H72 O5 N5 Mg
29. Match the names of organisms listed under column-I with
the deploid number of chromosomes given under column-II;
Choose the answer which gives the correct combination of
the alphabets of the two columns.
1

Column - I
(Organism)
1

Column - II
(Deploid Chromosome number)

A

Alium cepa (onion)

p

20

B

Arachis hypogea (Ground nut)

q

14

C

Pisum Sativum (Pea)

r

40

D

Zea mays (Maize)

s

16
1
 1

t

46
  a) A = s, B = r, C = t, D = q
b) A = s, B = r, C = q, D = p
c) A = r, B = s, C = p, D = q
d) A = p, B = q, C = r, D = s
30. The reactions of Glycolysis occur in   a) Golgi complex
b) cytoplasm
c) ribosomes
d) mitochondria
31. Blood pressure of a healthy person is   a) 200/130
b) 90/60
c) 140/60
d) 120/80
32. Persons who are colourblind cannot distinguish a) Red and green
b) Black and Yellow
c) Green and blue
d) Yellow and white
33. Lateral roots develop from   a) endodermis
b) medulla
c) pericycle
d)epiblema
34. Match the names of plants given under column - I
with the families to which they belong given under
column-II. Choose the answer which gives the
correct combination of the alphabets.

1

Column - I
(Plant names)
1

Column - II
(Family names)

A

Nerium indicum

p

Arecaceae

B

Cassia fistula

q

Solanaceae

C

Caryota urens

r

Lialiaceae

D

Nicotiana tabacum

s

Apocynaceae
1
 1

t

Caesalpiniaceae
 

a) A = s, B = p, C = t, D = q
b) A = t, B = s, C = q, D = p
c) A = s, B = t, C = q, D = p
d) A = s, B = t, C = p, D =q

35. Animals living at the bottom of the sea are called   a) pelagic
b) benthic
c) lotic
d) lentic
36. The TMV capsid has capsomeres numbering a) 2130
b) 1230
c) 3120
d) 2310
37. In the diagram of T.S. of the spinal cord given below,
certain parts have been indicated by alphabets; choose
the answer in which these alphabets have been
correctly matched with the parts of which they indicate

a) A = Dorsal septum,
    B = Dorsal horn,
    C = Central  cavity,
    D = Grey matter,   
    E = Ventral horn,
    F = White matter
    G = Dorsal root and  ganglion,
    H = Ventral root
b) A = Dorsal septum,
    B = Dorsal horn,
    C = Grey matter,
    D = Central cavity,
    E = White matter,
    F = Ventral horn
    G = Ventral rood,
    H = Dorsal root and ganglion
c) A = Dorsal Septum,
    B = Dorsal horn,
    C = Central cavity,
    D = Grey matter,
    E = Ventral horn,
    F = White matter
    G = Dorsal root and  ganglion,
    H = Ventral root
d) A = Dorsal Septum,
    B = Dorsal horn,
    C = Grey matter,
    D = White matter,
    E = Central cavity,
    F = Ventral root
    G = Dorsal root and ganglion,
    H = Ventral horn
38. The frog that feeds on an insect is a   a) Decomposers
b) Tertiary Consumer
c) Secondary Consumer
d) Primary Consumer
39. The oxidation of one NADH2 yields   a) 38 ATP
b) 3 ATP
c) 2 ATP
d) 1 ATP
40. G1, S and G2 stages are seen in a) Anaphase
b) Interphase
c) Metaphase
d) Prophase
41. The total heat content or potential energy of a system
is called		   a) trophical energy
b) entropy
c) enthalpy
d) Free energy
42. Which of the following is used for fruit ripening and
commercial scale?		 a) Ethylene
b) IAA
c) 2, 4, 5 - T
d) 2, 4-D
43. 43.Match the different type of instruments listed under
column-I with their uses given under column-II; Choose
the answer which gives the correct combination of the
alphabet, of the two columns.

1

Column - I
(Instrument)
1

Column - II
(Use)

A

Auxanometer
p

Measurement of Imbibition pressure

B

Potometer
q

Measurement of Blood Pressure

C

Dilatometer
r

Measurement of Transpiration rate

D

Sphygmomanometer
s

Measurement of Diffusion
2
 1
t

Measurement of growth rate in plants
 

a) A = s, B = r, C = q, D = p
b) A = t, B = p, C = r, D = q
c) A = t, B = r, C = p, D = q
d) A = t, B = r, C = q, D = p
44. The dihybrid Test Cross ratio is   a) 1 : 1
b) 1 : 1 : 1 : 1
c) 9 : 3 : 3 : 1
d) 3 : 1
45. Molecular Scissors'' used in genetic engineering is   a) Helicase
b) Restriction endonuclease
c) DNA ligase
d) DNA polymerase
46. Match the terms listed under column-I with the structures
which they occur given under column-II; Choose the
answer which gives the correct combination of alphabets
of the two columns

1

Column - I
(Structure)
1

Column - II
(Occurrence)

A

Haversian canal

p

Kidney

B

Dendrites

q

Cartilage

C

Sarcolemma

r

Muscle

D

Chondrocytes

s

Nerve cells
1
 1

t

Bone
 

a) A = p, B = r, C = s, D = t
b) A = q, B = r, C = s, D = t
c) A = s, B = t, C = q, D = r
d) A = t, B = s, C = r, D = q
47. Grey cresent is present in a) Fertilised egg of frog
b) brain of rabbit
c) retine of cockroach
d) eye of frog
48.   The synthesis of m RNA by DNA is called   a) Chain termination
b) Transcription
c) Translocation
d) Translation
49. A human female reaches menopause around the age of   a) 15 years
b) 70 years
C) 50 years
d) 25 years
50. The fight, flight, fright hormone is   a) oxytocin
b) Adrenaline
c) glucagon
d) insulin
  51. Passage cells are found in   a) Pith
b) Epidermis
c) Pericyle
d) Endodermis
52. Iodine test is used to detect   a) fats
b)Carbohydrates
c) typhoid
d) malaria
53. Tylosus are the structures found in xylem vessels. a) all the time hinders the flow of water
b) functional is neutral
c) help in efficient flow of nutrients
d) help in efficient flow of water
54.   Match the types of animal tissues listed under column-I
with the location given under column-II; Choose the
answer which gives the correct combination of the
alphabets of the two columns.

1

Column - I (Tissues)
1

Column - II (Location)

A

Simple columnar epithelium

p

Wall of heart

B

Cardiac muscle

q

Bone joints

C

Adiposetissue

r

Inner lining of stomach and intestine

D

Hyaline cartilage

s

Below the skin in the abdomen, buttocks, thighs and breasts
1
 1

t

Diaphragm
 

a) A = r, B = t, C = q, D = s
b) A = r, B = p, C = s, D = q
c) A = r, B = p, C = t, D = s
d) A = p, B = r, C = s, D = t
55. As it travels along the food chain the concentration
of DDT 		a) fluctuates randomly
b) stays constant
c) decreases
d) increases
56. Many transplanted seedlings may not survive because a) most of the root hairs are lost during transplantation