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121 followers study24x7 15 Sep 2021 12:37 PM study24x7 study24x7

Who discovered nucleus in cell ? #sscmcq #sscquestions #latestsscmcq

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  • Diveya Kashyap
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    Reply 21 Sep 2021 05:42 PM
    NEET Preparation
    121 followers study24x7 10 Sep 2021 04:22 PM study24x7 study24x7

    The starfish Pisaster amongst the rocky intertidal communities of the American Pacific coast is a significant

    #neetmcq #neetquestions

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    A

    Competitor

    B

    Parasite

    C

    Predator

    D

    Prey

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  • Edubabble LLP

    • The starfish Pisaster amongst the rocky intertidal communities of the American Pacific coast is a significant Predator.

    The starfish Pisaster ochraceus is a keystone species in the rocky marine intertidal communities off the northwest coast of North America. This predatory starfish feeds on the mussel Mytilus californianus and is responsible for maintaining much of the local diversity of species within certain communities.

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    Reply 22 Sep 2021 10:50 AM
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    121 followers study24x7 10 Sep 2021 04:12 PM study24x7 study24x7

     Predators which consume almost everything are -

    #neetmcq #neetquestions #latestneetmcq

    A

    generalist predators

    B

    predation

    C

    predators

    D

    specialist predators

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    121 followers study24x7 10 Sep 2021 04:10 PM study24x7 study24x7

    This can be a predator in a broad ecological context -

    #neetmcq #neetquestions #latestneetmcq

    A

    crow

    B

    tiger

    C

    lion

    D

    seed eating sparrow

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  • Edubabble LLP

    • Seed Eating Sparrow can be a predator in a broad ecological context.
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    Reply 22 Sep 2021 10:58 AM
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    121 followers study24x7 10 Sep 2021 04:08 PM study24x7 study24x7

    Prey is small, predator is massive, typically filter feeders – whales and zooplankton and lichen, graph is found to be linear

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    A

    Functional response

    B

    Type 3 functional response

    C

    Type 1 functional response

    D

    Type 2 functional response

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  • Edubabble LLP

    • Prey is small, predator is massive, typically filter feeders – whales and zooplankton and lichen, graph is found to be linear Type 1 Functional Response
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    Reply 22 Sep 2021 11:05 AM
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    121 followers study24x7 10 Sep 2021 04:03 PM study24x7 study24x7

    This cannot be performed by predators -

    #neetmcq #latestneetquestions #neetquestions

    A

    allowing herbivores to be filled with energy fixed by autotrophs

    B

    make the ecosystem stable

    C

    controls the species of prey

    D

    conduit for the transfer of energy

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  • Edubabble LLP

    • Allowing Herbivores To Be Filled With Energy Fixed By Autotrophs cannot be performed by predators.
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    Reply 22 Sep 2021 11:08 AM
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    121 followers study24x7 10 Sep 2021 04:01 PM study24x7 study24x7

    Predation can be considered as -

    #neetmcq #latestneetmcq #neetquestions

    A

    predator’s way of controlling prey’s energy level

    B

    nature’s way of controlling predators food chain

    C

    nature’s way of transferring energy to higher trophic levels

    D

    prey’s way to control the population

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  • Edubabble LLP

    • Predation can be considered as Nature’s Way Of Transferring Energy To Higher Trophic Levels

    Predation is an interaction in which one organism, the predator, eats all or part of the body of another organism, the prey. Herbivory is a form of predation in which the prey organism is a plant. Predator and prey populations affect each other's dynamics.

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    Reply 22 Sep 2021 11:12 AM
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    121 followers study24x7 10 Sep 2021 03:59 PM study24x7 study24x7

    In this interaction, the interacting species stay close together -

    #neetmcq #neetquestions #latestneetmcq

    A

    Predation, Parasitism, Commensalism

    B

    Competition and Mutualism

    C

    Amensalism, Commensalism

    D

    Amensalism, Predation and Parasitism

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  • Edubabble LLP

    • In Predation, Parasitism, Commensalism the interacting species stay close together.

    Symbiosis is a general term for interspecific interactions in which two species live together in a long-term, intimate association. In everyday life, we sometimes use the term symbiosis to mean a relationship that benefits both parties.

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    Reply 22 Sep 2021 11:20 AM
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    121 followers study24x7 09 Sep 2021 03:57 PM study24x7 study24x7

    Which is the national aquatic animal of India ?

    #neetmcq #neetquestions #latestneetmcq

    A

    Sea horse

    B

    River Dolphin

    C

    Blue whale

    D

    Gangetic shark

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  • Edubabble LLP

    • River Dolphin is the national aquatic animal of India.

    River dolphin is India's national aquatic animal. To save dolphins from extinction, the Union government has declared them as the national aquatic animal. The dolphins found in the Ganga are a rare species.

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    Reply 20 Sep 2021 05:22 PM
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    121 followers study24x7 09 Sep 2021 03:53 PM study24x7 study24x7

    The region of biosphere reserve which is legally protected and where no human activity is allowed is known as

    #neetmcq #neetquestions

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    A

     transition zone

    B

    buffer zone

    C

    core zone

    D

    restoration zone

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  • Edubabble LLP

    • The region of biosphere reserve which is legally protected and where no human activity is allowed is known as Core Zone

    Biosphere reserve consist of three zones, i.e, core, buffer and transition zone. Core zone comprises an undisturbed and legally protected buffer zone surrounds the core area and transitions zone is the outermost area of the biosphere reserve, where active cooperation between reserve management and the local people occur.

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    Reply 20 Sep 2021 05:30 PM
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    121 followers study24x7 09 Sep 2021 03:45 PM study24x7 study24x7

    The hot spots of biodiversity are characterized by -

    #neetmcq #neetquestions #biologyquestions

    A

    low endemicity and low threat of extinction

    B

    low endemicity and high threat of extinction

    C

    high endemicity and low threat of extinction

    D

    high endemicity and high threat of extinction

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  • Edubabble LLP

    • The hot spots of biodiversity are characterized by High Endemicity And High Threat Of Extinction.

    In most cases, areas which have been published as biodiversity hotspots are characterized by high values of a, i.e. by rich compositions of vascular plant species and high rates of endemism.

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    Reply 20 Sep 2021 05:45 PM
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    121 followers study24x7 09 Sep 2021 03:41 PM study24x7 study24x7

    Biodiversity loss can lead to everything except this -

    #neetmcq #neetquestions #latestneetmcq

    A

    increased resistance to the environmental perturbance

    B

    a decline in plant production

    C

    increased variability in water use

    D

    increased variability in pest and disease cycle

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  • Edubabble LLP

    • Biodiversity loss can lead to everything except this Increased Resistance To The Environmental Perturbance.

    Biodiversity includes not only species we consider rare, threatened, or endangered but also every living thing—from humans to organisms we know little about, such as microbes, fungi, and invertebrates.

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    121 followers study24x7 09 Sep 2021 03:38 PM study24x7 study24x7

    The most important reason for biodiversity loss in today’s age is

    #neetmcq #neetquestions #latestneetmcq

    A

    over-exploitation

    B

    co-extinctions

    C

    alien species invasions

    D

    fragmentation and habitat loss

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  • Edubabble LLP

    • The most important reason for biodiversity loss in today’s age is Fragmentation And Habitat Loss

    The major cause of the decrease in biodiversity is due to the process by which the animal’s natural habitat is destroyed which results in the change in habitat, this is called habitat destruction or habitat loss.

    Additional information:

    -Biodiversity is the presence of a variety of life on earth.
    -It can be measured on three levels: genetic, species, and ecosystem level.
    -Biodiversity is more towards the tropics while terrestrial biodiversity is present at the equator.
    -When the natural habitat is unable to support the life which exists there, then they will lose themselves or die resulting in a reduction in biodiversity.
    -The main reason for the decrease in biodiversity is overpopulation, global warming, deforestation, and pollution.
    -The major biodiversity reducing factor is habitat destruction.
    -It may also occur due to the change in the environment, the introduction of invasive species, loss of water, minerals, and nutrients from the habitat.
    -The loss of habitat will result in fragmentation of habitat leading to small habitats with few organisms.
    -The exotic species are those which are not found locally and are introduced from another country.
    -Over-exploitation refers to the use of any resource until it is destroyed.

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    Reply 21 Sep 2021 01:32 PM
    NEET Preparation
    121 followers study24x7 08 Sep 2021 02:45 PM study24x7 study24x7

    Apart from the conventional use, Dialysis can also be used in scenarios of -

    #neetmcq #neetquestions #biologymcq

    A

    blood transfusions

    B

    acute poisoning

    C

    low blood pressure

    D

    extreme fever

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  • Edubabble LLP

    • Apart from the conventional use, Dialysis can also be used in scenarios of Acute Poisoning.
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    Reply 18 Sep 2021 12:51 PM
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    121 followers study24x7 08 Sep 2021 02:33 PM study24x7 study24x7

    The mineral that must be consumed in limited quantities by those undertaking Dialysis is -

    #neettquestions #neetmcq

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    A

    Mo

    B

    Zn

    C

    Fe

    D

    K

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    121 followers study24x7 08 Sep 2021 01:23 PM study24x7 study24x7

     To view the haemocoel, you would pick this animal -

    #neetmq #latestneetquestions #neetquestions

    A

    Sponge

    B

    Earthworm

    C

    Scolopendra

    D

    Hydra

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  • Edubabble LLP

    • To view the haemocoel, you would pick Scolopendra

    Haemocoel is present in Centipede, as it belongs to Phylum Arthropoda. Hence, the correct answer is option (C). Note: Haemocoel is a body cavity present in the animals belonging to Phylum Arthropoda and Phylum Mollusca. Centipede shows haemocoel as it is an arthropod.

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    Reply 18 Sep 2021 12:08 PM
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    121 followers study24x7 08 Sep 2021 01:22 PM study24x7 study24x7

     The growth in arthropods goes along with this process -

    #neetmcq #neetuqestions #latestbiologymcq

    A

    mitosis

    B

    only molting

    C

    only ecdysis

    D

    ecdysis and molting

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  • Edubabble LLP

    • The growth in arthropods goes along with Ecdysis And Molting

    In order to cope with this situation, arthropods undergo a process of shedding their exoskeleton and forming a new one periodically throughout their lifetime. This process, shown in Figure below, is called molting, or ecdysis, and is regulated by special hormones that coordinate molting events with stages of growth.

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    Reply 18 Sep 2021 12:24 PM
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    121 followers study24x7 08 Sep 2021 01:19 PM study24x7 study24x7

    This is the common factor between housefly, anopheles and cockroach -

    #neetmcq #neetquestions #biologymcq

    A

    three pair of legs

    B

    two pair of wings

    C

    cuticle covering the body

    D

    presence of cephalothorax

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    121 followers study24x7 07 Sep 2021 03:17 PM study24x7 study24x7

    To produce a electric current what is the requirement ?



    #neetmcq #neetquestions #latestneetmcq...

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    A

    A voltage source

    B

    A source of energy that moves charges

    C

    An electric field moving through a conductor

    D

    Any of the above

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  • Edubabble LLP

    • The electric current is produced when electron move from one position to another position.

    The mobility of electrons decide the magnitude of electric current and the number of electrons will decide the resistivity.

    The charge of electrons is correlated to electric current.

    The electric current will be produced in the direction of opposite to the flow of electrons.
    The drift current is produced in the circuit in the direction of movement of electrons.

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    Reply 16 Sep 2021 03:48 PM
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