Ecology

Question 1

Is milk more nutritious than curd

Answer 1

No. Curd has more vit B12 coz of presence of lactobacillus bacteria (which converts milk to curd)

Question 2

The bioactive substance produced by a bacterium and used for the patients undergone myocardial infraction is

Answer 2

Streptokinase

Question 3

Ganga action plan was initiated when? And GAP and YAP were initiated by?

Answer 3

GAP- 1985 ..
GAP AND YAP- the ministry of environment and forest

Question 4

Define mutualism

Answer 4

OBLIGATORY mutually beneficial association

Question 5

Example of mutualism

Answer 5

Yucca and pronuba

Question 6

Sexual deceit is observed between?

Answer 6

Ophrys ( an orchid)
And wasp (bumble bee)( colpa aurea)

Question 7

First census in India?

Answer 7

1891.. fir har 10 saal baad

Question 8

Ozone day?

Answer 8

Sept 16

Question 9

Who are partial regulators

Answer 9

Heterotherms

Ex- egg laying mammals. (Platypus)

Question 10

Vital index of a population is represented by

Answer 10

(Natality/mortality)× 100

Question 11

Does competition benefit someone?

Answer 11

No its (- , -)

Question 12

Wat is brood parasitism

Answer 12

Exploitation of nurturing ability
Misnomer
Ex - cuckoo and crow

Question 13

Resource partitioning is an imp mechanism whic promotes

Answer 13

Co-existence

Question 14

Can competition occur between two unrelated species

Answer 14

Yes

Question 15

To overcome altitude sickness wat adaptions are shown by humans

Answer 15

Enhanced RBC production
Decreases in affinity of Hb for oxygen
High breathing rate

Question 16

Fishes and snails avoid summer related problems by?

Answer 16

Aestivation

Question 17

Praying mantis is a good example of

Answer 17

Camouflage

Question 18

Which type of association is found b/w entomophilous flower and pollinating agent?

Answer 18

Co- evolution

Question 19

According to Darwin organic evolution is due to?

Answer 19

Interspecific competition

Question 20

In lake phytoplankton grow kn abundance in

Answer 20

Limnetic zone

Question 21

Littoral zone is located along

Answer 21

Sea

Question 22

An association of individuals of different species living in the same habitat and having functional interactions is

Answer 22

Biotic community

Question 23

Large woody vines are commonly found in

Answer 23

Tropical rainforests

Question 24

Quercus species is dominant component of

Answer 24

Temperate deciduous forests

Question 25

Annual migration does not occur in case of

Answer 25

Salamander (Salmon shoes annual migration )

Question 26

Does coniferous forest has evergreen trees?

Answer 26

Yesss

Question 27

The abundance of species population within its habitat is called niche density

Question 28

The basic unit of study in ecology is

Answer 28

Organism

Question 29

In aquatic ecosystem the limiting factor for productivity is?

Answer 29

Light

Question 30

In aquatic ecosystem the limiting factor for productivity is?

Answer 30

Light

Question 31

The major reservoir of carbon on earth is?

Answer 31

Oceans

Question 32

Which of the following has the largest population in a food chain

Answer 32

Decomposers

Question 33

Limitation of ecological pyrami

Answer 33

Doesn't take into account the same species belonging to different trophic levels

Question 34

Does a simple food chain exist in nature?

Answer 34

Nooo.. it doesn't.. Ecological pyramids do not accommodate food webs

Question 35

Who are not given any place in the pyramid

Answer 35

Saprophytes More than one trophic level Food web Parasites

Question 36

Which pyramid is always upright

Answer 36

Energy

Question 37

Can a given organism occupy different trophic levels SIMULTANEOUSLY

Answer 37

yessir

Question 38

Who has tried to put price tags on nature's life support services

Answer 38

Robert Constanza

Question 39

Mention two important structural features of ecosystem

Answer 39

Species composition and stratification

Question 40

Rate of organic matter stored by producers in their bodies per unit time and area is called

Answer 40

Npp net primary productivity

Question 41

Energy of sun is fixed and trapped in c-c bonds... This explains which law

Answer 41

First law of thermodynamics

Question 42

State true or false.. lichens secrete weak acids

Answer 42

TRUE

Question 43

True or false? In hydrach succession scrub stage is preceded by forest community

Answer 43

FALSE

Question 44

Wat percentage of incident Solar radiation is captured in photosynthesis

Answer 44

1-5%

Question 45

Give statements about first order consumers

Answer 45

They are key industry animals Convert plant matter into animal matter They directly feed on producers

Question 46

Who are the key industry animals?

Answer 46

First oder consumers (T2 trophic level)

Question 47

Initial seral stages in succession posses low diversity

Answer 47

True

Question 48

Wat % of PAR can be captured by plants

Answer 48

2-10%

Question 49

Mineralisation is performed by

Answer 49

Saprophytic bacteria and fungi

Question 50

Major site of decomposition in the soil and water bodies is

Answer 50

Upper layer in soil and bottom layer on water

Question 51

Functional aspect of ecosystem includes

Answer 51

Energy flow Decomposition Nutrient cycling Biotic succession Ecosystem development

Question 52

Structure of ecosystem includes

Answer 52

Species composition Stratification Standing crop Standing state/ standing quality

Question 53

During primary succession on rocks pioneer species are?

Answer 53

Lichens

Question 54

Decomposition is

Answer 54

Aerobic

Question 55

The pyramid of number is upright in

Answer 55

Grassland and pond ecosystem

Question 56

Humus is an

Answer 56

Amorphous more or less decomposed organic matter

Question 57

In hydrach succession total biomass and hummus content of soil

Answer 57

INCREASES

Question 58

In which process of decomposition there is no direct involvement of living organisms

Answer 58

Leaching