Organism and Population Set 1 MCQs

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

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.

Q3 | Indentify me “ My functioning is like an orchid.

Protopteru

Spiny lizard

uromastrix

Spiny platypus

Q4 | Crustacian Astacus = Green land Marine turtle what is ‘X’ accroding to the information given ?

Salt gland

Kidney

None of these

chlorine secretory cells

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.

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

Q7 | From the given option which is the appropriate for ecto parasite animal Ascaris, Tapeworm, plas modium, mites

phytoplankton

mesofauna

macrofauna

phytoplanktons and mesofauna.

Q8 | Which living organism is seen in the hot water spring having temperature more than 100 C? ..

Methanogen

Thermoacidophils

Helophytes

spirokit

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

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

Q11 | In birthrate and deathrate is equal, then what will be the Vital Index ?

1

100

>100

<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

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

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

Q15 | Producers --->Decomposers ---->’X’, then what will be ‘X’ ?

Nostoc

Fungi

Both of these

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.

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

Q18 | What is the vital Index, if Birht rate is 0 and Death rate = 5 ?

0

100

1

None of these

Q19 | If the Birth rate is 10 and death rate is 0 then what is VITAL INDEX ?

0

100

?Infinative

1

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

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

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

Q23 | Which of the following is not possible in ecosystem where microflora is absent

Photosynthesi

Decomposition

Assimillation

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

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