1. From the given option which is the appropriate for ecto parasite animal Ascaris, Tapeworm, plas modium, mites
Correct : C. macrofauna
2. Which living organism is seen in the hot water spring having temperature more than 100 C ..
Correct : B. Thermoacidophils
3. Find out population density. Since last 4 years number of lions in a squre forest is 500 (length of forest =10 km)
Correct : A. 1.25 lions/year . 2k meter
4. Average human population in a certain time area is 5000 in which 1111 children are produced during an years, find out the birth rate ?
Correct : C. 0.2222
5. In birthrate and deathrate is equal, then what will be the Vital Index ?
Correct : B. = 100
6. Which option is correct for the given statement . Statement X : Density dependent factors are intrinsic Reason R : They are generated in population only
Correct : A. Both statement are true
7. In a population of frog ‘J’ type of population growth curve is seen than which information from the given graph can be true for “ point A”
(i) Vital Index < 100
(ii) Birth rate < death rate
(iii) Birht rate > death rate
Correct : D. I, II
8. The given graph shows seasonal changes in the population of Birds of Gujarat in the year 2002. In the given graph what is true for point X ?
Correct : D. None of these
9. Producers --->Decomposers ---->’X’, then what will be ‘X’ ?
Correct : D. None of these
10. In given chart,what is the problem seen in living organism staying in‘X’ denoted area ?
Correct : C. a & b both
11. What is correct for the given statement ?
Statement P : Environmental study is linked with ecology
StatementQ : Ecology is included in environmental study.
Correct : A. Both statement are true
12. What is the vital Index, if Birht rate is 0 and Death rate = 5 ?
Correct : A. 0
13. If the Birth rate is 10 and death rate is 0 then what is VITAL INDEX ?
Correct : C. Infinative
14. Which is appropriate for the following statement ?
Statement X : Pacific salmon fish reproduces only once in its life time.
Statement Y : In a reproductive season it lays 2,80,000,000 eggs.
X Y
Correct : C. True False
15. Mycobiont Supplies X to phycobiont and phycobiont supplies Y to mycobiont, then what is true for X and Y ?
Correct : D. X : Minerals Y : organic nutrients
16. In a population of salmon fish, potential Natality is 10,000 while realised mortality is 200, then the Vitlal Index =
Correct : B. less then 50
17. Which of the following is not possible in ecosystem where microflora is absent
Correct : D. None of these
18. If marine fish is kept in fresh water, will it survive
Correct : C. No, Because it can not adapt
19. What is true for both the organism showing interspecific compitition ?
Correct : B. more or less harmful effect to both
20. If at “t” time population density is N, then what is the equation for the population density at (t+1) time ?
Correct : D. All of these
21. Write appropriate option for antibiosis
Correct : A. Penicillium fungi and certan gram +ve bacteria
22. In which subdivision of aquatic ecosystem thermal stratification in seen ?
Correct : B. deep fresh water habitat
23. In which of the following aquatic ecosystems habitat fluid (liquid) is very concetrated compared to body fluid ?
Correct : A. Marine
24. Which of the following is true with reference to temperature diffrence ?
Correct : A. 1. Terrestrial Habital > Aquatic Habitat 2. Sea < Deep fresh water lakes
25. Water holding capacity of land depends on ?
Correct : D. All of these
26. What true for the following statements ?
Statement X : During evolution many species, by continous development of their internal environment, made their physiologycal processes more efficient.
Statement Y : Orgenisms show adaptations in order to survive in the enviornment
X Y X Y
Correct : A. True True
27. In which of the following organism water is stored in its transformed from and not water as such ?
Correct : A. camel
28. Which path is followed by plants as a part of adaptation in an ecosystem where Kangaroo rat is living ?
Correct : C. CAM Path
29. Which is true for the following statements ?
Statement X : Cursorial animals have spindle shaped body
Statement Y : Because of narrow head they can prepare burrow properly
X Y
Correct : D. True True
30. What is the temperature at which archeobacteria can survive ?
Correct : D. All of these
31. To whom can we correlate the young one developing from the eggs of Daphnis which are laid at normal room temperature ?
(i) queen bee (ii) worker bee (iii) male (drone) bee
Correct : A. i, ii
32. Which is appropriate option if we take ‘T’ for correct statement and’F’ for wrong statement ?
(i) Energy pyramids are always upright.
(ii) Detritus food chain begins with dead organic matter
(iii) C4 path is the only path seen in xerophytes
(iv) Biodiversity is less in equatorial region because of more sunlight
(v) At normal Temperature daphnis lays parthenogenetic eggs. which develops into male(0 )
Correct : B. TFFFF
33. Increase and decrease in a population in one of the places in USA, because of sandy cyclone is
given below.
Which type of graph is possible for total no. of individuals in a population v/s month ?
Month Birth rate Imigration Death Emigration
July 40 100 30 20
August 100 200 50 45
September 200 800 100 10
October 100 -- 5000 3000
Correct : B. J. Shaped
34. Hygroscopic skin is seen in.....
Correct : C. Spiny tailed lizard
35. What is true for marine animals ?
Correct : A. Because of exosmosis they drink sea water
36. In order to find out VITAL INDEX in Rampur Village, following information was gathered
Death Rate = 1/x Birth Rate = z
Average population = 1/y
What is the Vital Index ?
Correct : A. xyz X 100
37. What is the true for the community ecology diagram ?
Correct : C. Involvement of 4 species of a community
38. Match the column I with column II
Column I Column II
(1) Astacus (p) Hydrophiic skin
(2) Marine turtle (q) green gland
(3) Spiny lizard (r) water storage in intestine
(4) Uromatrix (s) salt glands
Correct : A. (1-q), (2-s), (3-p) (4-r)
39. Which of the following is incorrect if ‘O’ sign is used for benificial and ‘+’ sign for harmful ?
40. What will happen if ‘X’ which is related to this reaction is absent ?
Correct : D. All the statements given are correct
41. In the section of lichen which layer is seen just below “ upper cortex”
Correct : D. All of these
42. What is true for the given statements ?
Statement X : Protopterus aestivate during winter to overcome dry period
Statement Y : The process of aestivation in protopterus is to overcome unfavourable condition
Correct : D. X- wrong Y- correct
43. What is true for the given statement ?
Statement X : Most of the animals and almost all the plants cannot keep up their internal enviornment constant
Statement Y : process of osmoregulation in plants is an example of this
Correct : A. Both statements are true
44. X= Arthropods, Y = Mollusca, z = Coelenterates :-If the X by using Y, lives benifical life with z, then which of the following is correct example ?
Correct : C. X = Hermit crab Y = Gastropoda Z = sea anenone
45. From the given option find out the correct pair ?
Correct : C. Microfauna - fungi
46. Mathc column I with column II
Column - I Column - II
1. Mutualism (p) Barnacles
2. Competition (q) Tiger
3. Predation (r) Mites
4. Parasitism (s) Sea anemone
Correct : C. (1-s), (2-p), (3-q) (4-r)
47. Give correct option for the given true and false statements
(i) Some insects, birds and mammals living in warm and dry climate have more darker black pigments than the races of same species living in cold and humid climate.
(ii) Tempreture variation is much lesser in aquatic habitat compared to terrestrial habitat
(iii) In deep fresh water lakes, there is gradual incrase in tempreture from surface to the bottem
(iv) In an aquatic habitat production increases with insing depth. (T =True, F = False)
Correct : D. FTFT
48. ‘X’ is an example of Mutualism and ‘Y’is an example of succession then which is the correct realtionship ?
Correct : C. X = Lichen Y = Xerosere
49. At ‘t’ time, population density is ‘N’ and at t+1 time population density is Nt+1/If Nt+1 - Nt then find out the correct option
Correct : B. B-D+I-E = 0
50. Which of the following is not included as the climax community of general processof succession ?
Correct : B. phytoplanktones
51. How mandy sq. km. area of biosphere is occupied by marine habitat. ?
Correct : D. all of these
52. Whats percentage of earth is occupied by marine habitat ?
(1) 71% (2) 4 % (3) 67% (4) 29%
Correct : D. 1
53. What is the composition of soil with high waterlogging capicity ?
Correct : B. Black soil (loan soil)
54. Recently a village was badly affected by jaundice and Dengue,which of the following will decrease due to this ?
Correct : A. No. of person
55. Which is related to the given statement ? In the begining of summer crow and koel lays eggs.
Correct : C. with increase in temperture, gonads become active
56. Population of CBM Village year wise ........
2000 -----> 1000
2005 -----> 400
2010 -----> 600
2012 -----> 800
what will be the appropri/ate graph for this ?
Correct : B. ‘S’ shaped
57. What is correct for the given statement ?
Statement X : Ascaris are permanent parasites
Statement Y : Ascaris lives inside the host’s body
Correct : A. Both X&Y are correct
58. Depending on the study of bird population in diffrent areas of North Gujarat for last 10 years (2000 -2010) In which month population of bird is least ?
Correct : B. September
59. Which is the correct option for the given table ?write ‘T’ if the given ecample is correct and ‘F’ for
wrong example
Information Example
Breed only once Bamboo
Breeds many time Birds like pigeon, Mammals
Small sized but many offsprings Pray Birds
less in number but big size offsprings Only deep marine shishes
Correct : B. TTFF
60. Biological control as pest control in agriculture is an example of .....
Correct : A. Predation
61. The turtle of Galapagus island and the goats living there both were eating tender grass, state the relationship.
Correct : A. Interspecific competition
62. carrying capicity of a population is determind by (BHU 2001)
Correct : C. limiting resources
63. Biotic community means.... [CBSC, PMT - 2001]
Correct : C. Group of interrelated population
64. What is true for the members of same species [CBSC, PMT - 2002]
Correct : A. Capicity of inter breeding
65. The name Melvin Calvin is associated with
Correct : C. carbon fixation during photosynthesis
66. Who gave chemical compositions of chlorophyll and carotenoids ?
Correct : C. Willstatter and Stahi
67. The non-polar part of chlorophyll is
Correct : A. phytol
68. The approximate dimension of chlorophyll porphyrin ring is.
Correct : D. 15 Ao square
69. Photosynthesis is most active in
Correct : A. sunlight
70. Intensity of light increase 20 times, rate of photosynthesis will
Correct : D. increase till feed back inhibition.
71. Out of the total light energy that is available for plants is
Correct : A. 50 %
72. One photon is blue light contains....kcal and of red light....kcal
Correct : D. 90 ; 10
73. The most efficient convertor of sunlight is
Correct : C. Sugar cane
74. Cyclic photophosphorylation is confined to
Correct : A. Photosystem I
75. For synthesis of one gram of hexose, the land plant consumes.
Correct : B. Only 1/4 of the CO2 of air
76. For synthesis of one glucose molecule, the number of ATP required are
Correct : B. 18 ATP for C3 cycle and 30 ATP for C4 cycle
77. The volume of O2 librated in photosynthesis has the following ratio to CO2.
Correct : A. O2/CO2 = 1
78. The inhibiting effect of oxygen in C3 plants on photosynthesis is
Correct : C. Warbug’s effect
79. Pick up C4 plant.
Correct : C. Maize
80. It is advantageous to use a water plant to demonstrate photosynthesis other than a land plant because.
Correct : D. O2 bubbles from cut and can be collected over H2O.
81. For chlorophyll formation most important are
Correct : B. Fe++ and Mg++
82. Translocation of sugar in angiosperms occur in form of
Correct : D. sucrose
83. Q10 is
Correct : D. temperature coeffiecient
84. Photorespiration is favoured by
Correct : C. high O2 and low CO2
85. Quinones are
Correct : A. mobile electron carrier
86. During dark reaction, for the fixation of carbon, the three carbon atoms of each molecule of 3 –
phosphogylceric acid (PGA) are derived from
Correct : C. RuBP + CO2
87. Calvin cycle utilize for fixation of 3 molecules of CO2
Correct : A. 9 ATP and 6 NADPH2
88. Chloroplast has maximum quantity of....in stroma
Correct : B. RuBP carboxylase
89. If thylakoids are removed and kept in culture medium having CO2 and H2O and exposed to light ; they cannot form hexose sugars as end product because.
Correct : C. CO2 assimilating enzymes absent
90. Which of the following plant is efficient converter of solar energy whose net productivity 2-4 kg/m2/yr or even higher.
Correct : C. sugarcane
91. The number of photons required to release one mole of O2 in photosynthesis called.
Correct : B. quantum requirement
92. Calvin cycle represents one of the following phenomenon.
Correct : D. reductive carboxylation
93. Hill reaction takes place
Correct : D. none above
94. Match the names of scientists given under Column – I with their important contributions given under
Column – II ; choose the answer which gives correct combination of the alphabets :
Column – I(Scientists) Column – II(Contributions)
P. Peter Mitchell (i) Steps of dark reaction of photosynthesis.
Q. J.W. Gibbas (ii) Photosynthetic phosphorylation
R. Danial Arnon (iii) Concept of free energy
S. Melvin Calvin (iv) Chemiosmotic hypothesis
(v) Mass flow hypothesis
Correct : A. P = (iv), Q = (iii), R = (ii), S = (i)
95. Match Column – I with given under Column – II ; choose the answer which gives correct combination:
Column – I(Scientists) Column – II(Contributions)
P. A pigment which absorbs red and far-red light (i) Cytochrome
Q. Main pigment involved in transfer of electrons in (ii) PEP carboxylase photosynthesis is
R. NADPH2 is generated through.... (iii) Photochrome
S. Enzyme which fixes CO2 in C4 plants (iv) Photosystems
Correct : B. P = (iii), Q = (i), R = (iv), S = (iii)
96. The basic feature of typical C4 plants showing ‘Kranz’ anatomy is
Correct : C. the presence of rudimentary chloroplasts in bundle sheath cells and typical chloroplasts with well-formed grana in mesophyll cells
97. A. Six turns of Calvin-cycle result in the production of one molecule of glucose (C6H12O6) R. Three molecules of ribulose 1, 5 – bisphosphate (Ru BP) react with three molecules of carbon dioxide to produce six carbon intermediates.
Correct : C. A is correct but R is wrong
98. Maximum photosynthesis occurs in which of these lights ?
Correct : A. Red
99. In C4 plants showing Kranz anatomy which of the following is correct ?
Correct : A. Bundle sheath cells without grana and mesophyll cells with grana
100. In Blackmann’s ‘Law of Limiting Factors’ the rate of photosynthesis continues to increase with the successive increase in the amounts of