Organism and Population Set 3

All India Pre Medical Test (AIPMT)

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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Organism and Population Set 3

Q1 | From the given option find out the correct pair ?
  • Mesofauna - Earthworm
  • Macrofauna - spider
  • Microfauna - fungi
  • None of these
Answer: Microfauna - fungi
Q2 | Mathc column I with column IIColumn - I Column - II1. Mutualism (p) Barnacles2. Competition (q) Tiger3. Predation (r) Mites4. Parasitism (s) Sea anemone
  • (1-s), (2-r), (3-p) (4-q)
  • (1-r), (2-s), (3-q) (4-p)
  • (1-s), (2-p), (3-q) (4-r)
  • (1-q), (2-r), (3-s) (4-p)
Answer: (1-s), (2-p), (3-q) (4-r)
Q3 | 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)
  • FFFF
  • TFTF
  • TTFT
  • FTFT
Answer: FTFT
Q4 | ‘X’ is an example of Mutualism and ‘Y’is an example of succession then which is the correct realtionship ?
  • X = Hermit Grab Y = Gastropod
  • X= Sea anemore Y = mesosere Succession
  • X = Lichen Y = Xerosere
  • X= Lichen Y= Hydrosere
Answer: X = Lichen Y = Xerosere
Q5 | 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
  • B-D +I-E ? 0
  • B-D+I-E = 0
  • B+D-I+E +0
  • B+D-I+E ? 0
Answer: B-D+I-E = 0
Q6 | Which of the following is not included as the climax community of general processof succession ?
  • Sedge-meadow stage
  • phytoplanktones
  • Forest
  • Grassland
Answer: phytoplanktones
Q7 | How mandy sq. km. area of biosphere is occupied by marine habitat. ?
  • 3,62,000,000
  • 36 crore 20 lacs
  • 36,20 Million
  • all of these
Answer: all of these
Q8 | Whats percentage of earth is occupied by marine habitat ?(1) 71% (2) 4 % (3) 67% (4) 29%
  • 1,2
  • 2,3
  • 1,4
  • 1
Answer: 1
Q9 | What is the composition of soil with high waterlogging capicity ?
  • Sandy soil
  • Black soil (loan soil)
  • Rocky soil
  • Any one of these
Answer: Black soil (loan soil)
Q10 | Recently a village was badly affected by jaundice and Dengue,which of the following will decrease due to this ?
  • No. of person
  • area
  • Birthrate
  • Death rate
Answer: No. of person
Q11 | Which is related to the given statement ? In the begining of summer crow and koel lays eggs.
  • As the light intensity decerease reproductive organs become active
  • In some Birds increase or decrease in intensity of hight- makers reproductive organs active or inactive respecctivity
  • with increase in temperture, gonads become active
  • None of these
Answer: with increase in temperture, gonads become active
Q12 | Population of CBM Village year wise ........2000 -----> 10002005 -----> 4002010 -----> 6002012 -----> 800what will be the appropri/ate graph for this ?
  • Irruptive
  • ‘S’ shaped
  • J shaped
Answer: Irruptive
Q13 | What is correct for the given statement ?Statement X : Ascaris are permanent parasitesStatement Y : Ascaris lives inside the host’s body
  • Both X&Y are correct
  • Both x & Y are wrong
  • X is wrong Y is true
  • X is correct & Y is true
Answer: Both X&Y are correct
Q14 | 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 ?
  • February
  • September
  • April
  • October
Answer: September
Q15 | Which is the correct option for the given table ?write ‘T’ if the given ecample is correct and ‘F’ forwrong exampleInformation ExampleBreed only once BambooBreeds many time Birds like pigeon, MammalsSmall sized but many offsprings Pray Birdsless in number but big size offsprings Only deep marine shishes
  • TFT
  • TTFF
  • FFTT
  • TFFF
Answer: TTFF
Q16 | Biological control as pest control in agriculture is an example of .....
  • Predation
  • Competition
  • Emigration
  • diseases
Answer: Predation
Q17 | The turtle of Galapagus island and the goats living there both were eating tender grass, state the relationship.
  • Interspecific competition
  • Emigration
  • predation
  • None of these
Answer: Interspecific competition
Q18 | carrying capicity of a population is determind by (BHU 2001)
  • Birth rate
  • Death rate
  • limiting resources
  • Reproductive ability ...
Answer: limiting resources
Q19 | Biotic community means.... [CBSC, PMT - 2001]
  • Group of Birds
  • Group of species
  • Group of interrelated population
  • Groups of interrelated ecosystem
Answer: Group of interrelated population
Q20 | What is true for the members of same species [CBSC, PMT - 2002]
  • Capicity of inter breeding
  • shows same ecological niche
  • show diffrent type of ecological niche
  • They have diffrent Habitat
Answer: Capicity of inter breeding
Q21 | The name Melvin Calvin is associated with
  • synthesis of ATP during photosynthesis
  • release of water during photosynthesis
  • carbon fixation during photosynthesis
  • capture light energy during photosynthesis
Answer: carbon fixation during photosynthesis
Q22 | Who gave chemical compositions of chlorophyll and carotenoids ?
  • Park and Biggin
  • Meyers and French
  • Willstatter and Stahi
  • Arnon and Benson
Answer: Willstatter and Stahi
Q23 | The non-polar part of chlorophyll is
  • phytol
  • porphyrin
  • pyrrol
  • none above
Answer: phytol
Q24 | The approximate dimension of chlorophyll porphyrin ring is.
  • 1 Ao square
  • 5 Ao square
  • 10 Ao square
  • 15 Ao square
Answer: 15 Ao square
Q25 | Photosynthesis is most active in
  • sunlight
  • yellow
  • red
  • green
Answer: sunlight
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