Organism and Population Set 1

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 1

Q1 | 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
  • Fresh water fishe
  • ophiocephalus
  • Crustacean astucus
  • None of these
Answer: Crustacean astucus
Q2 | In snakes realised (actual) natality is less than potential natality; because.....
  • all the eggs are not incubated
  • enviornmental boomrang (resistance)
  • Though eggs are incubated they donot reach upto adult stage.
  • All of these.
Answer: All of these.
Q3 | Indentify me “ My functioning is like an orchid.
  • Protopteru
  • Spiny lizard
  • uromastrix
  • Spiny platypus
Answer: Spiny lizard
Q4 | Crustacian Astacus = Green land Marine turtle what is ‘X’ accroding to the information given ?
  • Salt gland
  • Kidney
  • None of these
  • chlorine secretory cells
Answer: Kidney
Q5 | Which of the following is correct statement ?
  • uromatrix lizard stores water in the intestine
  • Camel stores water in its stomach
  • Anabus develops accesary respiratory organs to respire in water.
  • Kangaroo rat undegeoes hibernation.
Answer: Anabus develops accesary respiratory organs to respire in water.
Q6 | Parasitic animal which is part of bio-geo community and included as zoo planktons and mesofauna of tenestrial ecosystem is ....
  • Mole
  • mites
  • Earthworms
  • leech
Answer: mites
Q7 | From the given option which is the appropriate for ecto parasite animal Ascaris, Tapeworm, plas modium, mites
  • phytoplankton
  • mesofauna
  • macrofauna
  • phytoplanktons and mesofauna.
Answer: macrofauna
Q8 | Which living organism is seen in the hot water spring having temperature more than 100 C? ..
  • Methanogen
  • Thermoacidophils
  • Helophytes
  • spirokit
Answer: Thermoacidophils
Q9 | Find out population density. Since last 4 years number of lions in a squre forest is 500 (length of forest =10 km)
  • 1.25 lions/year . 2k meter
  • 12.5 lions/ k meter2 - year
  • 1.025 lions/ cm2 month
  • 12.5 lions/ k meter2 - month
Answer: 1.25 lions/year . 2k meter
Q10 | Average human population in a certain time area is 5000 in which 1111 children are produced during an years, find out the birth rate ?
  • 0.1111
  • 0.3333
  • 0.2222
  • 0.4444
Answer: 0.2222
Q11 | In birthrate and deathrate is equal, then what will be the Vital Index ?
  • 1
  • 100
  • >100
  • <100
Answer: 100
Q12 | Which option is correct for the given statement . Statement X : Density dependent factors are intrinsic Reason R : They are generated in population only
  • Both statement are true
  • Both statement are false
  • X is true, y is false
  • X is false, Y is true
Answer: Both statement are true
Q13 | 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
  • I
  • II, III
  • I, III
  • I, II
Answer: I, II
Q14 | 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 ?
  • Vital Index <100
  • Vital Index >100
  • Vital Index =100
  • None of these
Answer: None of these
Q15 | Producers --->Decomposers ---->’X’, then what will be ‘X’ ?
  • Nostoc
  • Fungi
  • Both of these
  • None of these
Answer: None of these
Q16 | In given chart,what is the problem seen in living organism staying in‘X’ denoted area ?
  • endosmosis
  • exosmsis
  • a & b both
  • geting water and maintaing it.
Answer: a & b both
Q17 | What is correct for the given statement ?Statement P : Environmental study is linked with ecologyStatementQ : Ecology is included in environmental study.
  • Both statement are true
  • Both statement are wrong
  • P is right and Q is wrong
  • P is wrong and Q is right
Answer: Both statement are true
Q18 | What is the vital Index, if Birht rate is 0 and Death rate = 5 ?
  • 0
  • 100
  • 1
  • None of these
Answer: 0
Q19 | If the Birth rate is 10 and death rate is 0 then what is VITAL INDEX ?
  • 0
  • 100
  • ?Infinative
  • 1
Answer: ?Infinative
Q20 | 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
  • True True
  • False False
  • True False
  • False True
Answer: True False
Q21 | Mycobiont Supplies X to phycobiont and phycobiont supplies Y to mycobiont, then what is true for X and Y ?
  • X : Mineral element ; Y : Habitat
  • X : organic nutrients ; Y : Inorganic Nutrient
  • X : Habitat Y : protection
  • X : Minerals Y : organic nutrients
Answer: X : Minerals Y : organic nutrients
Q22 | In a population of salmon fish, potential Natality is 10,000 while realised mortality is 200, then the Vitlal Index =
  • 50,
  • less then 50
  • mor then 50
  • None of these
Answer: less then 50
Q23 | Which of the following is not possible in ecosystem where microflora is absent
  • Photosynthesi
  • Decomposition
  • Assimillation
  • None of these
Answer: None of these
Q24 | If marine fish is kept in fresh water, will it survive
  • Yes, If chlorine cells are placed in its kidney
  • Yes, If chlorine cells are placed in its green gland
  • No, Because it can not adapt
  • No, they can not survive but of yongones hatching out of their eggs can survive
Answer: No, Because it can not adapt
Q25 | What is true for both the organism showing interspecific compitition ?
  • Both are benefited
  • more or less harmful effect to both
  • one is benefited where as other is at loss
  • None of these
Answer: more or less harmful effect to both
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