Refer to NEET Biology Organism and Population MCQs Set B provided below available for download in Pdf. The MCQ Questions for Full Syllabus Biology with answers are aligned as per the latest syllabus and exam pattern suggested by NEET, NCERT and KVS. Multiple Choice Questions for Organism and Population are an important part of exams for Full Syllabus Biology and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for NEET Full Syllabus Biology and also download more latest study material for all subjects
MCQ for Full Syllabus Biology Organism and Population
Full Syllabus Biology students should refer to the following multiple-choice questions with answers for Organism and Population in Full Syllabus.
Organism and Population MCQ Questions Full Syllabus Biology with Answers
IMPORTANT POINTS
→ Ecology : The study of organism where they live
→ Ecology is divided in many branches, population ecology is one of them
→ Enviroment : Study of our surrounding factors and their interaction
→ Organisms where they live is known as habitat
→ They live in fresh water ponds, sea, esturine region and on land. Each habitat has its own characteristics.
→ Population : Group of organisms of same species living in same habitat at a species period.
→ Different organisms of a population interacts differently. It may be interspecific
→ It consists of species, variations, constituents and succession.
→ Biotic community is affected by biotic and abiotic factors.
→ Oragnism interacts with other organism in different ways (1) mutualism (2) competition (3) predation (4) commensalism
1. What is true for the following statements ?
Statement X : Migration of birds is influenced by light.
Statement Y : Reproduction of birds is influenced by light.
Statement Z : In all birds gonads are activated due to increase in intensity of light during summer.
X Y Z
(a) True False False
(b) False True False
(c) True True True
(d) True True False
2. What is true for the given statements ?
Statement X : Birds and Mammals obtain greater body size in cold region than in warm regions.
Statement Y : Birds and Mammals are Homeothermic (warm blooded)animals.
Statement Z : Reptiles are smaller in cold region.
(a) True False True
(b) True True False
(c) True True True
(d) False True True
3. “Spiny lizard” absorbs water from the atmosphere which is appropriate similar functional option for the statement ?
(a) Tongue of Human (b) Hygroscpic roots of orchid
(c) Roots of plants (d) None of these
4. What is true for the following statements ?
Statement X : Marine fishes have chlorine secretory cells.
while riverine fishes have chlorine cells.
Statement Y : Compared to marine water, fluid present
in fish is hypotonic while reverine water
is hypertonic compared to fluid present in fish.
X Y X Y
(A) True True (C) True False
(B) False False (D) False True
5. Which animal is capable of obtaining water by oxidation of lipid.
(a) Rat (b) Earthworm (c) Mole (d) Kangaroo rat
6. Which is the example of intraspecific competition for food ?
(a) Barnacle on rocks of the submerged water
(b) Two female dogs and two male dogs
(c) Various types of lichens
(d) Paramaecium caudatuns and P.aurelia in laboratory.
7. Name the animals with freshwater habit in which
(i) endosmosis is possible
(ii) Excess water in removed by green glands
(iii) Greenglands removes water in the from of urine
(a) Fresh water fishes (b) ophiocephalus
(c) Crustacean astucus (d) None of these
8. In snakes realised (actual) natality is less than potential natality; because___
(a) all the eggs are not incubated
(b) enviornmental boomrang (resistance)
(c) Though eggs are incubated they donot reach upto adult stage.
(d) All of these.
9. Indentify me “ My functioning is like an orchid.
(a) Protopterus (b) Spiny lizard
(c) uromastrix (d) Spiny platypus
Graph
10. Crustacian Astacus = Green land
Marine turtle
what is ‘X’ accroding to the information given ?
(a) Salt gland (b) Kidney
(c) None of these (d) chlorine secretory cells
11. Which of the following is correct statement ?
(a) uromatrix lizard stores water in the intestine
(b) Camel stores water in its stomach
(c) Anabus develops accesary respiratory organs to respire in water.
(d) Kangaroo rat undegeoes hibernation.
12. Parasitic animal which is part of bio-geo community and included as zoo planktons and mesofauna of tenestrial ecosystem is___
(a) Moles (b) mites (c) Earthworms (d) leech
13. From the given option which is the appropriate for ecto parasite animal Ascaris, Tapeworm, plas modium, mites
(a) phytoplanktons (b) mesofauna
(c) macrofauna (d) phytoplanktons and mesofauna.
14. Which living organism is seen in the hot water spring having temperature more than 100°C..
(a) Methanogens (b) Thermoacidophils
(c) Helophytes (d) spirokit
15. Find out population density.
Since last 4 years number of lions in a squre forest is 500 (length of forest =10 km)
(a) 1.25 lions/year . k meter2 (b) 12.5 lions/ k meter2 - year
(c) 1.025 lions/ cm2 month (d) 12.5 lions/ k meter2 - month
16. Average human population in a certain time area is 5000 in which 1111 children are produced during an years, find out the birth rate ?
(a) 0.1111 (b) 0.3333 (c) 0.2222 (d) 0.4444
17. In birthrate and deathrate is equal, then what will be the Vital Index ?
(a) = 1 (b) = 100 (c) >100 (d) <100
18. Which option is correct for the given statement .
Statement X : Density dependent factors are intrinsic Reason R : They are generated in population only
(a) Both statement are true
(b) Both statement are false
(c) X is true, y is false
(d) X is false, Y is true
21. Producers --->Decomposers ---->’X’, then what will be ‘X’ ?
(a) Nostoc
(b) Fungi
(c) Both of these
(d) None of these
22. In given chart,what is the problem seen in living organism staying in‘X’ denoted area ?
(a) endosmosis
(b) exosmsis
(c) a & b both
(d) geting water and maintaing it.
23. What is correct for the given statement ?
Statement P : Environmental study is linked with ecology
Statement Q : Ecology is included in environmental study.
(a) Both statement are true
(b) Both statement are wrong
(c) P is right and Q is wrong
(d) P is wrong and Q is right
24. What is the vital Index, if Birht rate is 0 and Death rate = 5 ?
(a) 0 (b) 100
(c) 1 (d) None of these
25. If the Birth rate is 10 and death rate is 0 then what is VITAL INDEX ?
(a) 0 (b) 100 (c) α Infinative (d) 1
26. 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
(a) True True
(b) False False
(c) True False
(d) False True
27. Mycobiont Supplies X to phycobiont and phycobiont supplies Y to mycobiont, then what is true for X and Y ?
(a) X : Mineral element ; Y : Habitat
(b) X : organic nutrients ; Y : Inorganic Nutrient
(c) X : Habitat Y : protection
(d) X : Minerals Y : organic nutrients
28. A plant formed by the combination of algae and fungi is a pioneer of which type of succession ?
(a) Xerosere (b) Hydrosere (c) Mesosere (d) None of these
29. Y↔X having interspecific relations in which animal which is not affected is X shows excretory orgndds which are also seen in Y and is Z located in its gills then.... what are X,Y,Z - ?
(a) X = Termite (b) X = shank
Y = flagelates Y = Tortoise
Z = Tentacles Z = Chlorine cell
(c) X = shank
Y = fish
Z = chlorine secreting cells
(d) All of these (above)
30. What does the given graph shows
(a) (i) Community Ecology (b) (i) Population Ecology
(ii) Population Ecology (ii) Community Ecology
(iii) Population Ecology (iii)Ecosystem Eclogy
(c) (i) Population Ecology
(ii) Community Ecology
(iii) Community Ecology
(d) None of these
31. In a population of salmon fish, potential Natality is 10,000 while realised mortality is 200, then the Vitlal Index =
(a) 50, (b) less then 50 (c) mor then 50 (d) None of these
32. Which of the following is not possible in ecosystem where microflora is absent
(a) Photosynthesis (b) Decomposition (c) Assimillation (d) None of these
33. If marine fish is kept in fresh water, will it survive
(a) Yes, If chlorine cells are placed in its kidney
(b) Yes, If chlorine cells are placed in its green gland
(c) No, Because it can not adapt
(d) No, they can not survive but of yongones hatching out of their eggs can survive
34. What is true for both the organism showing interspecific compitition ?
(a) Both are benefited
(b) more or less harmful effect to both
(c) one is benefited where as other is at loss
(d) None of these
35. If at “t” time population density is N, then what is the equation for the population density at (t+1) time ?
(a) N (t+1) = Nt - [CD+E] - [B+I)]
(b) N (t+1) = Nt+B+I-D-E
(c) N (t+1) = Nt+(B+I)-(D+ E)]
(d) All of these
36. Write appropriate option for antibiosis
(a) Penicillium fungi and certan gram +ve bacteria
(b) Penicillium fungi and certan gram -ve bacteria
(c) Spirocheate and fermicutes
(d) None of these
37. The graph of age related distribution in a village is as following If during 1 year potential mortality = relized mortality, then which type of graph is seen after 1 year ?
39. In which subdivision of aquatic ecosystem thermal stratification in seen ?
(a) marine (b) deep fresh water habitat
(c) marine and fresh water area(d) None of these
40. In which of the following aquatic ecosystems habitat fluid (liquid) is very concetrated compared to body fluid ?
(a) Marine (b) Esturine (c) Riverine (d) pond.
41. Which of the following is true with reference to temperature diffrence ?
(a) 1. Terrestrial Habital > Aquatic Habitat
2. Sea < Deep fresh water lakes
(b) 1. Aquatic Habitat > Terrestrial Habitat
2. Sea < Deep fresh water lake
(c) 1. Terrestrial Habital = Aquatic Habitat
2. Sea < Deep fresh water lake
(d) 1. Terrestrial Habital < Aquatic Habital
2. Sea = Deep fresh water lake
42. Water holding capacity of land depends on ?
(a) Soil composition (b) Grain size
(c) Aggregation of grain (d) All of these
43. 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
(A) True True (C) True False
(B) False True (D) False False
44. In which of the following organism water is stored in its transformed from and not water as such ?
(a) camel (b) Uromatrix
(c) Spiny tailed lizard (d) rat
45. Which path is followed by plants as a part of adaptation in an ecosystem where Kangaroo rat is living ?
(a) C3 Path (b) C4 Path
(c) CAM Path (d) TCA Path
46. 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
(a) True False
(b) False True
(c) False False
(d) True True
47. What is the temperature at which archeobacteria can survive ?
(a) 90°C (b) 100°C (c) 110°C (d) All of these
48. 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
(a) i, ii (b) i, iii (c) ii, iii (d) i, ii,iii)
49. 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
(a) TFTTF (b) TFFFF
(c) FFFTF (d) TFTFF
(a) S. Shaped (c) irrupative
(b) J. Shaped (d) None of these
51. Hygroscopic skin is seen in___
(a) Kangaroo rat (b) Uromatrix
(c) Spiny tailed lizard (d) Camel
52. What is true for marine animals ?
(a) Because of exosmosis they drink sea water
(b) As they drink sea water exosmosis occurs
(c) Because of exosmosis body fluid become hypotonic, so they drink sea water
(d) None of these
53. 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 ?
(a) xyz X 100 (b) z/xy =100
(c) xy/z X 100 (d) 100/xyz
54. What is the true for the community ecology diagram ?
(a) Involvement of 4 individuls of a population
(b) Involvement of 4 population of a species
(c) Involvement of 4 species of a community
(d) Involvement of 4 speces of 4 ecosystem
55. 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
(a) (1-q), (2-s), (3-p) (4-r) (b) (1-s), (2-q), (3-p) (4-r)
(c) (1-s), (2-p), (3-q) (4-r) (d) (1-p), (2-q), (3-s) (4-r)
56. Which of the following is incorrect if ‘O’ sign is used for benificial and ‘+’ sign for harmful ?
(a) Penicillium <--> Gram +ve bacteria ; Penicillium: ‘+’
(b) Rhizobium <---> palnt - leguminosae family : Both ‘O’
(c) Tiger <--> Rabbit ; Tiger : ‘O’
(d) Shank fish <---> Suckerfish ; Suckerfish ; ‘O’
57. What will happen if ‘X’ which is related to this reaction is absent ?
(a) Deconposition, essential process like death, will stop
(b) Damage to ecosystem
(c) Begining of the food chain is not possible
(d) All the statements given are correct
58. In the section of lichen which layer is seen just below “ upper cortex”
(a) Medulla
(b) Algal layer
(c) lowercortex
(d) All of these
59. 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
(a) Both statements are true
(b) X-Correct Y- wrong
(c) Both statements are wrong
(d) X- wrong Y- correct
60. 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
(a) Both statements are true
(b) X - correct, Y- wrong
(c) Both statements are wrong
(d) X- wrong, Y- correct
a = post reproductive age group
b = reproductive age group
c = pre reproductive age group
62. 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 ?
(a) X = cockroachY = pearl oyester Z = Hydra
(b) X = Millipede Y = pila Z = jellyfish
(c) X = Hermit crab Y = Gastropoda Z = sea anenone
(d) All of these
63. From the given option find out the correct pair ?
(a) Mesofauna - Earthworm
(b) Macrofauna - spider
(c) Microfauna - fungi
(d) None of these
64. 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
(a) (1-s), (2-r), (3-p) (4-q) (b) (1-r), (2-s), (3-q) (4-p)
(c) (1-s), (2-p), (3-q) (4-r) (d) (1-q), (2-r), (3-s) (4-p)
65. 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)
(a) FFFF (b) TFTF (c) TTFT (d) FTFT
66. ‘X’ is an example of Mutualism and ‘Y’is an example of succession then which is the correct realtionship ?
(a) X = Hermit Grab Y = Gastropod
(b) X= Sea anemore Y = mesosere Succession
(c) X = Lichen Y = Xerosere
(d) X= Lichen Y= Hydrosere
67. 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
(a) B-D +I-E ≠ 0 (b) B-D+I-E = 0
(c) B+D-I+E +0 (d) B+D-I+E ≠ 0
68. Find out correct option P,Q,R,S, from the given diagram
69. Which of the following is not included as the climax community of general processof succession ?
(a) Sedge-meadow stage (b) phytoplanktones
(c) Forest (d) Grassland
70. How mandy sq. km. area of biosphere is occupied by marine habitat. ?
(a) 3,62,000,000 (b) 36 crore 20 lacs
(c) 36,20 Million (d) all of these
71. Whats percentage of earth is occupied by marine habitat ?
(1) 71% (2) 4 % (3) 67% (4) 29%
(a) 1,2 (b) 2,3 (c) 1,4 (d) 1
72. What is the composition of soil with high waterlogging capicity ?
(a) Sandy soil (b) Black soil (loan soil)
(c) Rocky soil (d) Any one of these
73. Recently a village was badly affected by jaundice and Dengue,which of the following will decrease due to this ?
(a) No. of persons (b) area (c) Birthrate (d) Death rate
74. Which is related to the given statement ?
In the begining of summer crow and koel lays eggs.
(a) As the light intensity decerease reproductive organs become active
(b) In some Birds increase or decrease in intensity of hight- makers reproductive organs active or inactive respecctivity
(c) with increase in temperture, gonads become active
(d) None of these
75. Population of CBM Village year wise ____
2000 -----> 1000
2005 -----> 400
2010 -----> 600
2012 -----> 800
what will be the appropri/ate graph for this ?
(a) (b) Irruptive
(c) ‘S’ shaped (d) J shaped
76. What is correct for the given statement ?
Statement X : Ascaris are permanent parasites
Statement Y : Ascaris lives inside the host’s body
(a) Both X&Y are correct (c) X is wrong Y is true
(b) Both x & Y are wrong (d) X is correct & Y is true
77. 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 ?
(a) February (b) September (c) April (d) October
78. Which is the correct option for the given table ?write ‘T’ if the given ecample is correct and ‘F’ for wrong example
(a) TFTF(b) TTFF (c) FFTT (d) TFFF
79. Biological control as pest control in agriculture is an example of ___
(a) Predation (b) Competition (c) Emigration (d) diseases
80. The turtle of Galapagus island and the goats living there both were eating tender grass, state the relationship.
(a) Interspecific competition (b) Emigration
(c) predation (d) None of these
81. carrying capicity of a population is determind by
(a) Birth rate (b) Death rate
(c) limiting resources (d) Reproductive ability
82. Biotic community means____
(a) Group of Birds
(b) Group of species
(c) Group of interrelated population
(d) Groups of interrelated ecosystem
83. What is true for the members of same species
(a) Capicity of inter breeding
(b) shows same ecological niche
(c) show diffrent type of ecological niche
(d) They have diffrent Habitat
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