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Both species lose in
General Science Biology Zoology Class 12th NEET UG NEET UG Preparation
Q. 10 of Quiz-1468 (Que-ID : 3453)
Both species lose in
- Mutualism
- Competition
- Parasitism
- Predation
Ans → (b)Competition
Explanation → Both species lose in Competition
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
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
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
Q. 4 of Quiz-1468 (Que-ID : 3447)
The number of birth during a given period in the population that are added to the initial density is referred to
- Natality
- Mortality
- Sex-ratio
- None of the above
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
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
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
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
Q. 9 of Quiz-1468 (Que-ID : 3452)
One species benefit in
- Parasitism
- Predation
- Mutualism
- Both (a) and (b)
Q. 11 of Quiz-1468 (Que-ID : 3454)
Both the species benefit in
- Parasitism
- Mutualism
- Competition
- Predation
Q. 12 of Quiz-1468 (Que-ID : 3455)
A stage of suspended development is called
- Diapause
- Suspend
- Migrate
- Aestivation
Q. 13 of Quiz-1468 (Que-ID : 3456)
To avoid summer-related problems – heat and desiccation by organism is called
- Hibernation
- Suspend
- Migrate
- Aestivation
Q. 14 of Quiz-1468 (Que-ID : 3457)
Winter sleep is also called as
- Hibernation
- Suspend
- Migrate
- Aestivation
Q. 15 of Quiz-1468 (Que-ID : 3458)
The shifting of an organism temporarily from the stressful habitat to a more hospitable area and return when stressful period is over is called
- Suspend
- Migrate
- Hibernation
- Aestivation
Q. 16 of Quiz-1468 (Que-ID : 3459)
Habitat together with functions of a species constitute its:
- Topography
- Trophic level
- Boundary
- Ecological niche
Q. 17 of Quiz-1468 (Que-ID : 3460)
The maximum growth rate occurs in
- Lag phase
- Exponential, phase
- Stationary phase
- Senescent phase
Q. 18 of Quiz-1468 (Que-ID : 3461)
In which one of the following habitats, does the diurnal temperature of soil surface view most?
- Shrub land
- Forest
- Desert
- Grassland
Q. 19 of Quiz-1468 (Que-ID : 3462)
Science linking heredity with environment is:
- Ecology
- Ecophysiology
- Genecology
- Genetics
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
Q. 22 of Quiz-1468 (Que-ID : 3465)
Animals undergo inactive stage during winters. It is called
- Acclimatisation
- Hibernation
- Aestivation
- Adapatation
Q. 23 of Quiz-1468 (Que-ID : 3466)
Praying mantis is a good example of
- Camouflage
- Mullarian mimicry
- Warning colouration
- Social insect
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
Q. 25 of Quiz-1468 (Que-ID : 3468)
Ozone protects biosphere from high energetic:
- Infra-red rays
- Ultraviolet rays
- X-rays
- gamma rays
More MCQs In - General Science Biology Zoology Class 12th NEET UG NEET UG Preparation
Q. 18 of Quiz- (Que-ID : 3061)
Respiratory enzymes are located in
- mitochondrial matrix
- Cristae
- perimitochondrial space
- outer membrane
Q. 11 of Quiz- (Que-ID : 3029)
Growth in dorsiventral leaf is measured in terms of
- length of leaf
- increase in cell number
- surface area increase
- none of these
Q. 11 of Quiz- (Que-ID : 3104)
Oxygen scavangers present in root nodules of legumes is
- haemoglobin
- leg haemoglobin
- cyano haemoglobin
- none of these
Q. 15 of Quiz- (Que-ID : 2984)
Which loop of hence is permeable to water
- Descending loop
- Ascending loop
- Both the loops
- None of the above
Q. 18 of Quiz- (Que-ID : 2736)
Which of the feature mycoplasma does not have
- Pleomorphic
- Lack cell wall
- All the above
- Can?t live w/o O2
Q. 16 of Quiz- (Que-ID : 3234)
The arrangement of sepals or petals in floral bud is called
- Placentation
- Aestivation
- Bracteate
- Phyllotaxy
Q. 17 of Quiz- (Que-ID : 3385)
BOD is………..in polluted water and in potable water.
- more, less
- less, more
- less in both
- medium in both
Q. 11 of Quiz- (Que-ID : 3254)
Which of the following is a pseudocoelomate?
- Platyhelminthes
- Aschelminthes
- Mollusca
- Hemi-chordates
Q. 7 of Quiz- (Que-ID : 3475)
Xerophyte Contains
- Deep roots
- Sunken stomata
- Thick cuticle
- All of these
Q. 10 of Quiz- (Que-ID : 2853)
An embryo may sometimes develop from any cell of embryo sac other than egg. It is termed as
- apospory
- apogamy
- parthenogenesis
- parthenocarpy
Q. 21 of Quiz- (Que-ID : 3289)
In chlorophyta the mode of sexual reproduction is
- Isogamy
- Anisogamy
- Oogamy
- Isogamy, Anisogamy and oogamy
Q. 4 of Quiz- (Que-ID : 3247)
The clam nervous system is composed of
- labial palps
- one pair of ganglia
- two pairs of ganglia
- three pairs of ganglia
Q. 1 of Quiz- (Que-ID : 2744)
Which hormones is a stress hormone
- Norepinephrine
- Androgen
- Cortisol
- FSH
Q. 22 of Quiz- (Que-ID : 2765)
Largest completely endocrine gland is
- Adrenal
- Thyroid
- Pituitary
- Parathyroid
Q. 12 of Quiz- (Que-ID : 2955)
The amino acid attaches to the tRNA at its
- 5’- end
- 3’ – end
- anticodon site
- DHUloop.
Q. 1 of Quiz- (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
Q. 6 of Quiz- (Que-ID : 2619)
Which cell is responsible for secretion of HCL and intrinsic factors
- Parietal cell
- Chief cell
- Mucus cell
- Peptic cell
Q. 9 of Quiz- (Que-ID : 2852)
Embryo sac is to ovule as _______ is to an anther.
- Stamen
- filament
- pollen grain
- androecium
Q. 20 of Quiz- (Que-ID : 3088)
Water stress causes
- opening of stomata
- increase in metabolic rate
- wilting of leaves
- lesser availability of carbon dioxide
Q. 9 of Quiz- (Que-ID : 2677)
Where does erythropoiesis in adult takes place
- Bone marrow
- Spleen
- Thymus
- None of the above
Q. 14 of Quiz- (Que-ID : 3107)
Insectivorous plants grow where
- There is carbohydrate deficient soil
- There is nitrogen deficient soil
- Vitamin c is required
- Hormones are required
Q. 23 of Quiz- (Que-ID : 3341)
Elephantiasis, a chronic inflammation that results in gross deformities is caused by
- Ascaris
- E.coli
- Wuchereria
- Trichophyton
Q. 2 of Quiz- (Que-ID : 3320)
Which one of the following disease is non – communicable ?
- Diphtheria
- Flu
- Cancer
- Malaria
Q. 1 of Quiz- (Que-ID : 3519)
Which chemical substance affects the Ozone Layer?
- Chlorofluorocarbon
- Chlorine
- Hexafluorocarbon
- Molecular Carbon
Q. 23 of Quiz- (Que-ID : 3091)
Structurally, chlorophyll a and b are different as
- Chl a has a methyl group and Chl b has an aldehyde group.
- Chl a has an aldehyde group and Chl b has a methyl group.
- Chl a has an ethyl group and Chl b has an aldehyde group
- Chl a has a carboxyl group and Chl b has an aldehyde group.
Q. 17 of Quiz- (Que-ID : 3035)
Typical plant growth shows _________ curve.
- J-shaped
- S-shaped
- I-shaped
- Parabolic
Q. 5 of Quiz- (Que-ID : 3123)
Which of the following is decreased during increase in humidity in the atmosphere?
- Transpiration
- Photosynthesis
- Respiration
- Glycolysis
Q. 15 of Quiz- (Que-ID : 3458)
The shifting of an organism temporarily from the stressful habitat to a more hospitable area and return when stressful period is over is called
- Suspend
- Migrate
- Hibernation
- Aestivation
Q. 1 of Quiz- (Que-ID : 3369)
Integrated Pest Management (IPM) discourages the excessive used of
- biological methods
- chemical pesticides
- mechanical methods
- all of these
Q. 12 of Quiz- (Que-ID : 3355)
Crossing of individuals of two different species to produce a hybrid is called
- interspecific hybridisation
- intervarietal hybridisation
- intergeneric hybridisation
- intravarietal hybrididisation
Q. 2 of Quiz- (Que-ID : 3020)
Intercalary meristems are of
- Permanent nature
- Temporary nature
- Some are permanent some temporary
- None of these
Q. 7 of Quiz- (Que-ID : 1969)
Respiratory Quotient (RQ) is less than 1 for -
- Potato
- Citrus Fruits
- Castor seeds
- Banana
Q. 4 of Quiz- (Que-ID : 3097)
The process of conversion of NO2– to N2 is called
- nitrification
- ammonification
- denitrification
- nitrogen fixation
Q. 14 of Quiz- (Que-ID : 3307)
The Hardy-Weinberg principle cannot operate if
- a population does not migrate for a longtime to a new habitat
- frequent mutations occur in the population
- the population has no chance of interaction with other populations
- free interbreeding occurs among all members of the population
Q. 21 of Quiz- (Que-ID : 3489)
In the phosphorus cycle, weathring makes phosophate available first to
- Producers
- Decomposers
- Consumers
- None of these
Q. 9 of Quiz- (Que-ID : 2877)
Condoms are one of the most popular contraceptives because of the following reasons.
- These are effective barriers for insemination
- They do not interfere with coital act
- These help in reducing the risk of STDs
- All of the above
Q. 25 of Quiz- (Que-ID : 3168)
The most common monomer of carbohydrates is
- Sucrose
- Fructose
- Maltose
- Glucose
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