NEET NCERT Biology Ecology Population Question,answers,solutions

Ecology Organism and Population Mock Test-6

Question No:1

The symptoms of altitude sickness are

[A] Nausea
[B] Heart palpitations
[C] Fatigue
[D] All of the above

Question No:2

How acclimatization occurs in case of altitude sickness?

[A] Decrease RBC production
[B] Increase RBC production
[C] Increase rate of breathing
[D] Both (b) and (c)

Question No:3

Which bacteria can flourish in hot springs and deep sea hydrothermal vents?

[A] Cyanobacteria
[B] Archaebacteria
[C] Actinobacteria
[D] Acidobacteria

Question No:4

Many fish thrive in Antarctic water where the temperature is ______.

[A] Always above zero
[B] Always above 4℃
[C] Always below zero
[D] Sometimes below zero

Question No:5

How much pressure is experienced by marine invertebrates and fishes living at the great depths in oceans?

[A] < 100 times that of normal atmospheric pressure
[B] < 100 times that of hydrostatic pressure
[C] > 100 times that of hydrostatic pressure
[D] > 100 times that of normal atmospheric pressure

Question No:6

Which of the following animals lack the physiological ability to deal with high temperature in their habitat?

[A] Giant frilled lizard
[B] Desert lizard
[C] Kangaroo rat
[D] Weasel

Question No:7

What adaptation desert lizard shows to deal with high temperature?

[A] Bask in sun when body temperature drops
[B] Move in shade when body temperature drops
[C] Bask in sun when ambient temperature drops.
[D] Move in shade when ambient temperature drops.

Question No:8

The main reason behind building burrows in soil by burrowing animals is _______.

[A] To escape from predators
[B] To derive nutrition parts of plants from underground
[C] The mode of evolution chose burrows as a specific habitat
[D] To hide and escape from the above-ground heat

Question No:9

Which of the following is not a population attribute?

[A] Majority of them live in groups in a well-defined geographical location
[B] Share or compete for similar resources
[C] Potentially interbreed
[D] Single individuals of any species cannot live in isolation

Question No:10

Individuals resulting from asexual reproduction are also considered _______ while performing ecological studies.

[A] Biome
[B] Ecosystem
[C] Population
[D] Species

Question No:11

As teakwood: Forest tracts, _______ : Wetland.

[A] Lotus
[B] Rats
[C] Squirrels
[D] Cormorants

Question No:12

To evolve certain desired traits, natural selection should operate at ______ level,

[A] Species
[B] Biomes
[C] Population
[D] Genus

Question No:13

Population ecology is a bridge between evolution and _______.

[A] Population morphology
[B] Population genetics
[C] Population proteomics
[D] Population variation

Question No:14

After poaching lions in certain forest of Gujarat, only are left in a year. Determine death rate per capita.

[A] 5
[B] 0.2
[C] 0.166
[D] 0.8

Question No:15

The population size of Siberian cranes at Bharatpur wetlands in any year is ______

[A] 10
[B] 100
[C] 1000
[D] 5