Biodiversity and Conservation · Biology · NEET
MCQ (Single Correct Answer)
The regions with high level of species richness, high degree of endemism and a loss of $$70 \%$$ of the species and habitat are identified as:
Which one of the following is not included under in-situ conservation?
Given below are two statements:
Statement I : The Indian Government has set up GEAC, which will make decisions regarding the validity of GM research.
Statement II : Biopiracy is the term used to refer to the use of bio-resources by native people.
In the light of the above statements, choose the correct answer from the options given below :
Match List-I with List-II:
| List - I | List - II | ||
|---|---|---|---|
| (A) | Biodiversity hotspot | (I) | Khasi and Jantia hills in Meghalaya |
| (B) | Sacred groves | (II) | World Summit on Sustainable Development 2002 |
| (C) | Johannesburg, South Africa | (III) | Parthenium |
| (D) | Alien species invasion | (IV) | Western Ghats |
Choose the correct answer from the options given below:
Match List-I with List-II:
| List - I | List - II | ||
|---|---|---|---|
| (A) | Predator | (I) | Ophrys |
| (B) | Mutualism | (II) | Pisaster |
| (C) | Parasitism | (III) | Female wasp and fig |
| (D) | Sexual deceit | (IV) | Plasmodium |
Chose the correct answer from the options given below:
The type of conservation in which the threatened species are taken out from their natural habitat and placed in special setting where they can be protected and given special care is called
These are regarded as major causes of biodiversity loss:
A. Over exploitation
B. Co-extinction
C. Mutation
D. Habitat loss and fragmentation
E. Migration
Choose the correct option:
List of endangered species was released by
Tropical regions show greatest level of species richness because
A. Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification.
B. Tropical environments are more seasonal.
C. More solar energy is available in tropics.
D. Constant environments promote niche specialization.
E. Tropical environments are constant and predictable.
Choose the correct answer from the options given below.
Match List I with List II
| List - I | List - II | ||
|---|---|---|---|
| A. | Robert May | I. | Species-Area relationship |
| B. | Alexander von Humboldt | II. | Long term ecosystem experiment using out door plots |
| C. | Paul Ehrlich | III. | Global species diversity at about 7 million |
| D. | David Tilman | IV. | Rivet popper hypothesis |
Choose the correct answer from the options given below:
In 'rivet popper hypothesis', Paul Ehrlich compared the rivets in an airplane to :
For chemical defence against herbivores, Calotropis has :
Which of the following is/are cause(s) of biodiversity losses ?
Among ‘The Evil Quartet’, which one is considered the most important cause driving extinction of species?
The historic Convention on Biological Diversity, ‘The Earth Summit’ was held in Rio de Janeiro in the year
The 5-C compound formed during TCA cycle is
The World Summit on sustainable development held in 2002 in Johannesburg, South Africa pledged for
Match List - I with List - II :
| List - I | List - II | ||
|---|---|---|---|
| (a) | Carbon dissolved in oceans | (i) | 55 billion tons |
| (b) | Annual fixation of carbon through photosynthesis | (ii) | 71% |
| (c) | PAR captured by plants | (iii) | 4 $$\times$$ 10$$^3$$ kg |
| (d) | Productivity of oceans | (iv) | 2 to 10% |
Choose the correct answer from the options given below:
Match the List-I with List-II :
| List - I | List - II | ||
|---|---|---|---|
| (a) | Sacred groves | (i) | Alien species |
| (b) | Zoological park | (ii) | Release of large quantity of oxygen |
| (c) | Nile perch | (iii) | Ex-situ conservation |
| (d) | Amazon forest | (iv) | Khasi Hills in Meghalaya |
Choose the correct answer from the options given below :
Frugivorous birds are found in large numbers in tropical forests mainly because of :
Panspermia, an idea that is still a favourite for some astronomers, means:
Western Ghats have a large number of plants and animal species that are not found anywhere else. Which of the following term is used to notify such species?
Which of the following are true about the taxonomical aid 'key'?
(a) Keys are based on the similarities and dissimilarities.
(b) Key is analytical in nature.
(c) Keys are based on the contrasting characters in pair called couplet.
(d) Same key can be used for all taxonomic categories.
(e) Each statement in the key is called Lead.
Choose the most appropriate answer from the options given below:
Which of the following is not a method of ex situ conservation?
Habitat loss and fragmentation, over exploitation, alien species invasion and co-extinction are causes for :
In-situ conservation refers to :
| List-I | List-II | ||
|---|---|---|---|
| (a) | Allen's Rule | (i) | Kangaroo rat |
| (b) | Physiological adaptation | (ii) | Desert lizard |
| (c) | Behavioural adaptation | (iii) | Marine fish at depth |
| (d) | Biochemical adaptation | (iv) | Polar seal |
Choose the correct answer from the options given below.
(A) Bears go into _____ (1) ____ during winter to _____(2)____ cold weather.
(B) A conical age pyramid with a broad base represents ____(3)_____ human population.
(C) A wasp pollinating a fig flower is an example of _____ (4) _____ .
(D) An area with high levels of species richness is known as ____(5)_____.
Which of the following options, gives the correct fill ups for the respective blank numbers from (1) to (5) in the statements ?
(a) A lion eating a deer and a sparrow feeding on grain are ecologically similar in being consumers
(b) Predator star fish Pisaster helps in maintaining species diversity of some invertebrates
(c) Predators ultimately lead to the extinction of prey species
(d) Production of chemicals such as nicotine, strychnine by the plants are metaboilic disorders
The two correct stament are-
