univ.tifr.res.in NET National Entrance Test Wildlife Biology & Conservation Question Paper

Name of the Centre : Tata Institute of Fundamental Research
Document type : Previous Question Papers
Name Of The Exam : National Entrance Test
Name Of The Subject : M. Sc Wildlife Biology and Conservation
Year : 2017
Website : http://univ.tifr.res.in/gs2019/Prev_QP/Prev_QP.htm

TIFR NET Wildlife Biology & Conservation Question Paper

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Instructions

** All questions in SECTIONS A, B and C are multiple choice questions. Each question has only ONE correct or best answer.

** All questions carry ONE mark. There is NO negative marking.
** There are a total of 75 questions for a maximum of 75 marks. Section D has an essay type question.

** The essay carries 25 marks. However, to qualify for your essay to be graded, you must score a minimum of 50% in each of Sections A, B and C.

** You are allowed a maximum of 3 hours for the exam (estimating about 2 hours and 15 minutes for Sections A, B and C and 45 minutes for Section D)

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Section A

1. Which of the following sentences is grammatically correct?
a) This is so much flower in this garden.
b) There is so many flowers in this garden.
c) There are so many flowers in this garden.
d) There are so much flowers in this garden.

2. Which of the following sentences is best constructed?
a) As they walked home, they discussed about the disturbing scene they had just witnessed.
b) As they walked home, they discussed on the disturbing scene they had just witnessed.
c) As they walked home, they discussed on the disturbing scene that they had just witnessed.
d) As they walked home, they discussed the disturbing scene they had just witnessed.

3. Which one of the following sentences has no errors in grammar or choice of words?
a) Hailing from very different political backgrounds, they argued endlessly on the merits of communism versus socialism.
b) Isolated in remote patches of fragmented forests, there are merely a few thousands gorillas left in the wild.
c) In the shade of the palm trees in the oasis, the tired travelers quenched their thirst with cool water from the spring.
d) She passed out of college ten years ago, and yesterday she passed out on the street.

4. Which of the following words best represents the opposite in meaning to “chaotic”?
a) calm
b) orderly
c) peaceful
d) somnolent

5. In the following sentence, which one of the four underlined words has been used incorrectly? Despite all it’s drawbacks, the GDP remains the most commonly used index to judge the economy of a country.
a) all
b) it’s
c) commonly
d) index

6. Which of the following relationships most closely approximates “a tooth in a comb”?
a) A scooter in a parking lot
b) A page in a book
c) A leaf in a tree
d) A log in a forest

7. In the following paragraph, there is a blank sentence. Choose from among the four options below, the most logically consistent sentence to fill this blank: Environmentalists, dismayed by the havoc that industrial human societies are wreaking on the earth, often hark back to a golden age when ancient human societies lived in harmony with nature.

It is now evident that the collapses of the Inca and Harappan civilization were correlated with environmental degradation, suggestive of expanding human populations outgrowing their
environments. Likewise, the extinctions of the magnificent mega-fauna of the new world
coincided with the arrival and migration of the first humans across the Americas. This recent
scientific evidence makes the supposed past Golden age of environmentalism look mythical.
How can we reconcile this evidence with stories of conservationist cultures from across the world?

a) Indeed, recent paleontological and archaeological studies are providing evidence for such a golden age.
b) However, recent paleontological and archaeological studies suggest the fossil records of human brain evolution that we had earlier may be inaccurate.

c) However, recent paleontological and archaeological studies are beginning to paint a very different picture of ancient human societies.
d) However, recent scientific studies are beginning to suggest that the environmental impacts of industrial societies are not significant.

8. Find the number of triangles in the figure below:
a) 8 b) 12 c) 14 d) 16

9. The statement “If you do not move, the dog will not bite you” is false only if:
a) You move, and the dog bites you
b) You move, and the dog does not bite you
c) You do not move, and the dog does not bite you
d) None of the above

10. A is B’s wife; D is C’s son; and, C is A’s daughter. How is B related to D?
a) Cousin
b) Father
c) Grandfather
d) Uncle

11. A combination of three colors is to be chosen to decorate a room for an event. The available colors are: red, green, blue, yellow, orange, brown and grey. The event manager has specified the following conditions for choosing colors:
i) If yellow or orange is chosen the other must also be chosen;
ii) Red and green cannot be chosen together;
iii) Either red or orange has to be chosen.
If green is chosen as one of the colors, what are the other two colors possible?
a) orange and yellow
b) red and brown
c) red and orange
d) yellow and brown

12. In the following figure the geometric shapes represent: Rectangle – males; Square – urban; Circle – educated; Triangle – smokers. The number of urban male smokers is:
a) 7
b) 8
c) 18
d) 25

13. The amount of water flowing into a water tank doubles every minute. The tank is full in an hour. When is the tank half full?
a) 53 minutes
b) 55 minutes
c) 56 minutes
d) 59 minutes

14. Arrange the following in increasing order of likely arrival dates, i.e. starting with earliest arrival, of the southwest Monsoon every year: 1. Andaman & Nicobar Islands; 2. Goa; 3. Kerala; and 4. Rajasthan.
a) Andaman & Nicobar Islands-Kerala-Goa-Rajasthan
b) Kerala-Andaman & Nicobar Islands-Goa-Rajasthan
c) Kerala-Goa-Andaman & Nicobar Islands-Rajasthan
d) Kerala-Goa-Rajasthan-Andaman & Nicobar Islands

15. The Burgess Shale, located in the Canadian Rocky mountains, contains the best record of ______________ animal fossils in the world. 4
a) Cambrian
b) Cretaceous
c) Devonian
d) Triassic

Section B

1. If you imagine the body shape of mammals to be approximated by a cube, then the surface area of a mouse whose body volume is 64 cm3 is:
a) 16 cm2
b) 46 cm2
c) 96 cm2
d) 126 cm2

2. If a population is declining by 50% every year, how many years (in integers) will it take to dip below 10% of its original size?
a) 1
b) 2
c) 4
d) 8

3. If the length of each side of a square is increased by 50%, what is the percent increase in area of the new square?
a) 50%
b) 125%
c) 250%
d) 500%

4. When asked how old she was, Ramya replied “In five years I will be thrice as old as I was three years ago”. How old is she?
a) 5
b) 7
c) 9
d) 11

5. Suppose there was a blood test for a fictitious disease called ‘tahr acrophobia’. The false positive rate for this test is 1 in 20. In other words, out of 20 non-diseased tahr that are tested, on average one will test positive, even though it does not have the disease. You test 20 nondiseased tahr for this disease. What is the probability that none test positive?
a) (1/20)^20
b) (19/20)^20
c) 1/20
d) 19/20

6. You are interested in how growth rates of Teak trees are affected by their distance from road edges, and you think this effect is mediated by a fungal disease of Teak (called ‘mycoferous existentialitis’). By measuring infection intensity (in terms of percent trunk area covered by fungus) in trees at different distances (in metres) from road edges, you come up with this relationship:
Infection intensity = 40 – 0.5×Distance
Measuring growth rate is more difficult, and so, for a smaller set of trees you look at the relationship between infection intensity and growth rate (in cm of trunk diameter per year), and find this relationship:
Growth rate = 2 – 0.01×Infection Intensity
Assuming that nothing else affects infection or growth rate, what equation would predict the growth rates of Teak trees based on distance from road edge?
a) 40 – 0.5×Distance
b) 2 – 0.01×Distance
c) 0.8 + 0.05×Distance
d) 1.6 + 0.005×Distance

7. An ecologist measures a sample of lake water and finds 20 million Euglenoides (Euglena species) per cubic metre. This is a measure of:
a) Population size
b) Dispersion
c) Density
d) Carrying capacity

8. The ratio of population size in any given year divided by the population size the previous year is 1.1. If the starting population size is 80, then in 10 years what is the expected population size?
a) 80 × 101.1
b) 80 × 1.110
c) 10 × 801.1
d) 80 + 10 × e1.1

9. In order to determine the relationship between testosterone and aggression in lizards, a field biologist spends the summer measuring the percentage of time 10 males and 10 females spend fighting. She also obtains a blood sample from each one of these lizards and measures testosterone levels. What can she conclude from the resulting figure below?
a) males but not females are aggressive
b) level of aggression is correlated with level of testosterone in lizards
c) testosterone is required for heightened aggression in males but not females
d) level of aggression is correlated with level of testosterone in males but not females

10. Males and females in a population of fish show striking variation in colour: each sex may be coloured either blue or yellow. The proportion of the population consisting of blue males is 0.2 and the proportion consisting of blue females is 0.3. The sex ratio in this population is 1.5 females to a male. Suppose I catch an individual and find that it is a male. What is the probability that the male I have caught is blue?
a) 0.5
b) 0.125
c) 0.2
d) 0.4

Section C

1. Pick the odd one out:
a) Conservation International
b) People for the Ethical Treatment of Animals
c) Sierra Club
d) World Wide Fund for Nature

2. The species name of a newly-discovered mammal is tapanuliensis. What is the name of its genus?
a) Pan
b) Panthera
c) Pongo
d) Pteromyini

3. The reintroduction of which carnivore species into Yellowstone National Park in USA in 1995 is believed to have had cascading effects on lower trophic levels?
a) Black Bear
b) Gray Wolf
c) Grizzly Bear
d) Mountain Lion

4. Which of the following is NOT an invasive plant species in India?
a) Bridelia retusa
b) Lantana camara
c) Mikania micrantha
d) Prosopis juliflora

5. Several forest dwelling communities in India have been resettled out of protected areas for wildlife conservation. One of these is a pastoralist community, which practiced transhumance between the western Himalayan foothill forests and high alpine meadows. These are the:
a) Baigas
b) Soligas
c) Todas
d) Van Gujjars

6. Which among the following countries has the largest total area under forest cover?
a) Brazil
b) Russia
c) Democratic Republic of the Congo
d) Canada

7. The threat status of which cat species was changed from ‘Endangered’ to ‘Vulnerable’ by the International Union for Conservation of Nature (IUCN) in 2017?
a) Cheetah
b) Snow Leopard
c) Tiger
d) Lion

8. A region on earth is classified as a ‘biodiversity hotspot’ only if:
a) It has rare species, and the paleo record suggests many past extinctions 13
b) It has many species, and they are all evolutionarily unique
c) It has evolutionarily unique species that continue to face threats
d) It has many endemics and its biodiversity is threatened

9. If you were interested in comparing the ecology of leopards in areas with and without tigers, how many pair-wise combinations of sites (one site with and one site without tigers) could you pick from the following options: i) Gir National Park; ii) Kanha Wildlife Sanctuary; iii) SanjayGandhi National Park; iv) Corbett National Park
a) 2
b) 3
c) 4
d) 6

10. Which of these statements is TRUE?
a) Evolution is a mechanism through which Natural Selection can take place
b) Evolution occurs in all organisms, but Natural Selection occurs only in Eukaryotes
c) Natural Selection is a mechanism through which Evolution can take place
d) The terms “Evolution and “Natural Selection” have the same meaning