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Animals undergo inactive stage during winters. It is called

General Science Biology Zoology Class 12th NEET UG NEET UG Preparation

Q. 22 of Quiz-1468 (Que-ID : 3465)

Animals undergo inactive stage during winters. It is called

  • Acclimatisation
  • Hibernation
  • Aestivation
  • Adapatation

Ans → (b)Hibernation

Explanation →

This question is taken from this post → Organisms and Populations : Biology (Class 12th) Revision Test | MCQs for NEET - attemp/practice


More MCQs in - Organisms and Populations : Biology (Class 12th) Revision Test | MCQs for NEET

Q. 1 of Quiz-1468 (Que-ID : 3444)

For human population, the age pyramids generally show age distribution of

  • Only males
  • Only females
  • Of males and females
  • None of the above

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Q. 2 of Quiz-1468 (Que-ID : 3445)

The size of the population tells us a lot about its status in the

  • Environment
  • Sex-ratio
  • Age pyramid
  • Habitat

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Q. 3 of Quiz-1468 (Que-ID : 3446)

The number of deaths in the population during a given period is referred to

  • Natality
  • Mortality
  • Sex-ratio
  • None of the above

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Q. 5 of Quiz-1468 (Que-ID : 3448)

Parasites that live inside the host body at different sities are called

  • Ecto parasites
  • Endo parasites
  • Brood parasitism
  • None of the above

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Q. 6 of Quiz-1468 (Que-ID : 3449)

Parasites that feed on the external surface of the host organism are called

  • Ecto parasites
  • Endo parasites
  • Brood parasitism
  • None of the above

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Q. 7 of Quiz-1468 (Que-ID : 3450)

If one species is harmed whereas the other is unaffected is called

  • Commensalism
  • Amensalism
  • Mutualism
  • None of the above

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Q. 8 of Quiz-1468 (Que-ID : 3451)

The interaction where one species is benefitted and the other is neither benefitted nor harmed is called

  • Commensalism
  • Amensalism
  • Mutualism
  • None of the above

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Q. 9 of Quiz-1468 (Que-ID : 3452)

One species benefit in

  • Parasitism
  • Predation
  • Mutualism
  • Both (a) and (b)

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Q. 10 of Quiz-1468 (Que-ID : 3453)

Both species lose in

  • Mutualism
  • Competition
  • Parasitism
  • Predation

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Q. 11 of Quiz-1468 (Que-ID : 3454)

Both the species benefit in

  • Parasitism
  • Mutualism
  • Competition
  • Predation

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Q. 12 of Quiz-1468 (Que-ID : 3455)

A stage of suspended development is called

  • Diapause
  • Suspend
  • Migrate
  • Aestivation

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Q. 13 of Quiz-1468 (Que-ID : 3456)

To avoid summer-related problems – heat and desiccation by organism is called

  • Hibernation
  • Suspend
  • Migrate
  • Aestivation

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Q. 14 of Quiz-1468 (Que-ID : 3457)

Winter sleep is also called as

  • Hibernation
  • Suspend
  • Migrate
  • Aestivation

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Q. 16 of Quiz-1468 (Que-ID : 3459)

Habitat together with functions of a species constitute its:

  • Topography
  • Trophic level
  • Boundary
  • Ecological niche

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Q. 17 of Quiz-1468 (Que-ID : 3460)

The maximum growth rate occurs in

  • Lag phase
  • Exponential, phase
  • Stationary phase
  • Senescent phase

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Q. 19 of Quiz-1468 (Que-ID : 3462)

Science linking heredity with environment is:

  • Ecology
  • Ecophysiology
  • Genecology
  • Genetics

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Q. 20 of Quiz-1468 (Que-ID : 3463)

Submerged hydrophytes have disseced leaves for

  • Decreasing surface area
  • Increasing surface area
  • Reducing effect pf water currents
  • Increasing number of stomata

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Q. 21 of Quiz-1468 (Que-ID : 3464)

Water holding capacity is maximum in

  • Clay
  • Sand
  • Slit
  • Gravel

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Q. 22 of Quiz-1468 (Que-ID : 3465)

Animals undergo inactive stage during winters. It is called

  • Acclimatisation
  • Hibernation
  • Aestivation
  • Adapatation

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Q. 23 of Quiz-1468 (Que-ID : 3466)

Praying mantis is a good example of

  • Camouflage
  • Mullarian mimicry
  • Warning colouration
  • Social insect

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Q. 24 of Quiz-1468 (Que-ID : 3467)

Animals have innate ability to escape from predation. Select the incorrect example:

  • Colour change in Chameleon
  • Enlargement of body by swallowing air in puffer fish
  • Poison fangas of snakes
  • Melaninin in moths

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Q. 25 of Quiz-1468 (Que-ID : 3468)

Ozone protects biosphere from high energetic:

  • Infra-red rays
  • Ultraviolet rays
  • X-rays
  • gamma rays

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More MCQs In - General Science Biology Zoology Class 12th NEET UG NEET UG Preparation

Q. 3 of Quiz- (Que-ID : 3196)

Which of the following is not a feature of spring wood?

  • Color of the wood is light.
  • Density is less.
  • Cambium is active.
  • Lesser number of xylary elements.

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Q. 22 of Quiz- (Que-ID : 3365)

Turnip mosaic disease is caused by

  • bacteria
  • viruses
  • nematodes
  • fungi

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Q. 25 of Quiz- (Que-ID : 2868)

What is the function of filiform apparatus in an angiospermic embryo sac?

  • Brings about opening of the pollen tube
  • Guides the pollen tube into a synergid
  • Prevents entry of more than one pollen tube into a synergid
  • None of these

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Q. 16 of Quiz- (Que-ID : 2884)

Which of the following pairs contributes to an increase in population ?

  • Natality and immigration
  • Mortality and emigration
  • Natality and emigration
  • Mortality and immigration

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Q. 14 of Quiz- (Que-ID : 3357)

Artificial breeding of cattle is brough about by

  • artiticial insemination
  • super ovulation and embryo transplantation
  • MOET
  • all of these

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Q. 16 of Quiz- (Que-ID : 3359)

Multiple ovulation embryo transfer technology is related to

  • transfer of super embryo
  • transfer of super eggs
  • super ovulation and embryo transfer
  • both (a) and (b)

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Q. 23 of Quiz- (Que-ID : 3041)

Formation of seedless fruit without act of fertilisation

  • Parthenocarpy
  • pseudocarpy
  • Apomixis
  • Parthenogenesis

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Q. 7 of Quiz- (Que-ID : 3150)

Hydrolysis of starch occurs with the help of

  • Peptidase
  • Amylase
  • Sucrose
  • Lipase

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Q. 3 of Quiz- (Que-ID : 2671)

What is life span of RBC in days

  • 120
  • 110
  • 115
  • 125

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Q. 18 of Quiz- (Que-ID : 3411)

Restriction endonuclease cuts

  • One stand of DNA at specific site
  • Both strands of DNA
  • Both strands of DNA at any site
  • Single strand of RNA

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Q. 23 of Quiz- (Que-ID : 2741)

Diatoms do not decay fast because

  • They are chitinous
  • They have silicious wall
  • Contain saline oil
  • Body is impervious to water

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Q. 24 of Quiz- (Que-ID : 3417)

Transgenic plants are develop by

  • Introducing of foreign fenes
  • Clone and genetically modified genes
  • Genetic engineering
  • Purified genes

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Q. 11 of Quiz- (Que-ID : 3154)

Inulin is made up of _______ and _______

  • glucose and fructose
  • glucose and fructose
  • fructose and mannose
  • mannose and glucose

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Q. 5 of Quiz- (Que-ID : 3473)

Submerged Rooted Hydrophyte are:

  • Uticularia
  • Prapa
  • Nymphea
  • vallisnaria

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Q. 23 of Quiz- (Que-ID : 2966)

They year 2003 was celebrated as the 50th anniversary of discovery of

  • transposons by Barbare Me Clintock
  • structure of DNA by Watson and Crick
  • Mendel’s laws of inheritance
  • biotechnology by Kary Muliis.

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Q. 5 of Quiz- (Que-ID : 3523)

Environment (Protection) Act came into force in?

  • 1986
  • 1989
  • 1992
  • 1993

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Q. 21 of Quiz- (Que-ID : 3014)

Synapsis occurs between

  • A male and female gametes
  • Ribosome and m-RNA
  • Spindle fibres and centromeres
  • Two homologous chromosomes

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Q. 24 of Quiz- (Que-ID : 1986)

RBCs in the mammals have no nucleus because -

  • it has degenerated during development
  • they do not have nucleus since early
  • nucleus is harmful for RBCs
  • Nucleus decrease surface area

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Q. 17 of Quiz- (Que-ID : 1979)

Cardiac cycle in man takes about-

  • 0.5 seconds
  • 1.2 seconds
  • 1.0 seconds
  • 0.8 seconds

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Q. 18 of Quiz- (Que-ID : 2631)

Crypts in between bases of villi in intestine are known as

  • Crypts of lieberkuhn
  • Crypts of intestine
  • Crypts of stomach
  • None of the above

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Q. 8 of Quiz- (Que-ID : 3201)

Stem develops from

  • radicle
  • cotyledon
  • mesocarp
  • plumule

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Q. 7 of Quiz- (Que-ID : 2950)

Which was the last human chromosome to be completely sequenced ?

  • Chromosome 1
  • Chromosome 11
  • Chromosome 21
  • Chromosome X

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Q. 7 of Quiz- (Que-ID : 3250)

Which of the following statement is correct?

  • Platypus lays eggs
  • Camels have biconcave RBCs
  • Whales respire by gills
  • Bats do not fly

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Q. 21 of Quiz- (Que-ID : 3339)

Amoebic dysentery (amoebiasis) is caused by

  • Entamoeba histolytica
  • E. coli
  • Streptococcus pneumoniae
  • Trichophyton

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Q. 22 of Quiz- (Que-ID : 2665)

Whose role in respiratory rhythm regulation is insignificant

  • Co2
  • O2
  • Both a and b
  • None of the above

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Q. 4 of Quiz- (Que-ID : 2797)

The cutaneous plexus and the papillary plexus consist of

  • Specialized cells for cutaneous sensations
  • A network of arteries to provide dermal supply
  • A network of nerves to provide dermal sensation
  • Gland cells that release cutaneous secretions

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Q. 3 of Quiz- (Que-ID : 2821)

Read the following statements and select the incorrect one.

  • Cucurbits and coconuts are monoecious plants
  • Papayas and date palms are dioecious plants.
  • Leeches and tapeworms are bisexual animals.
  • Sponges and coelenterates are unisexual animals

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Q. 18 of Quiz- (Que-ID : 3136)

When a plant is girdled (ringed)

  • the root and shoot die at the same time
  • the shoot dies first
  • the root dies first
  • neither root nor shoot will die

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Q. 22 of Quiz- (Que-ID : 3948)

Enormous diversity of protein molecules is due to

  • R groups of amino acids
  • Sequence of amino acids
  • Peptide bonds
  • Amino groups of amino acids

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Q. 19 of Quiz- (Que-ID : 2962)

Synthesis of DNA from RNA is explained by

  • central dogma reverse
  • reverse transcription
  • feminism
  • all of these

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Q. 19 of Quiz- (Que-ID : 2962)

Synthesis of DNA from RNA is explained by

  • central dogma reverse
  • reverse transcription
  • feminism
  • all of these

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Q. 2 of Quiz- (Que-ID : 3495)

Lion-tailed Macaque is found in:

  • Western Ghats
  • Caucasus
  • Eastern Ghats
  • Western Himalaya

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Q. 21 of Quiz- (Que-ID : 2664)

which among the following is caused due to decreased respiratory surface area

  • Astma
  • Emphysema
  • Sclerosis
  • None of the above

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Q. 23 of Quiz- (Que-ID : 2841)

Strobilanthus kunthiana differs from bamboo in

  • being monocarpic
  • length of juvenile phase
  • being polycarpic
  • none of these.

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Q. 9 of Quiz- (Que-ID : 3427)

Monoclonal antibodies are obtained from

  • One parent for one antigen
  • Different parents for one antigen
  • One parent for many antigens
  • Many parents for many antigens

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Q. 4 of Quiz- (Que-ID : 3322)

Typhoid fever in human beings is caused by

  • Plasmodium vivax
  • Trichophyton
  • Salmonella typhi
  • Rhinoviruses

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Q. 3 of Quiz- (Que-ID : 1712)

Thrombosis is a disease of the-

  • Thyroid gland
  • blood
  • brain
  • lungs

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Q. 25 of Quiz- (Que-ID : 3018)

The number of chromosome and the amount of DNA are changed in

  • Metaphase and M phase
  • Anaphase and S phase
  • Interphase and S phase
  • None of these

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Q. 5 of Quiz- (Que-ID : 1854)

An anti-British outfit 'Abhinav Bharat' was founded by-

  • R. G. Bhandarkar
  • V. D. Savarkar
  • C. R. Das
  • Sardar Bhagat Singh

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Q. 19 of Quiz- (Que-ID : 3487)

Ecological pyramids were first devised by

  • Charles Eltom
  • R. Hesse
  • R.A. Lindemann
  • Justus von Liebig

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Q. 11 of Quiz- (Que-ID : 3354)

Hisardale is a new breed of sheep developed in Punjab by crossing

  • Merino ram and Bikaneri ewe
  • Assel ram and White leghorn ewe
  • Rhode Island ram and White leghorn ewe
  • Cochin ram and Ghagus ewe

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Q. 25 of Quiz- (Que-ID : 2768)

Hormones are

  • Excretory pdt
  • Enzymatory pdt
  • Chemical messenger
  • Nerve impulse

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Q. 17 of Quiz- (Que-ID : 2910)

spot the odd one out from the following structures with reference to the male reproductive system

  • Rate testis
  • Epididymis
  • Vasa efferentia
  • Isthmus

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Q. 1 of Quiz- (Que-ID : 2669)

How many percent of plasma is water

  • 90-92
  • 6-8
  • 20-25
  • None of the above

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Q. 8 of Quiz- (Que-ID : 3201)

Stem develops from

  • radicle
  • cotyledon
  • mesocarp
  • plumule

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Q. 2 of Quiz- (Que-ID : 2820)

Which of the following options shows bisexual animals only?

  • Amoeba, sponge, leech
  • Sponge, cockroach, Amoeba
  • Earthworm, sponge, leech
  • Tapeworm, earthworm, honeybee

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