BT401 Final Term Past Papers Set 2 by Dining Discussion

OBJECTIVES

1. Darwin’s finches’ classical example of __________GENETIC DRIFT
2. Bottleneck effect elephant seal __________________ Over Hunting
3. services generally more efficient_________ Decentralized Quarantine
4. Since ---- in situ conservation has received high priority to the world____1980
5. The cutting of tree act_____1992
6. Genetic stocks can be divided into_____ Cytological stocks, Mutant stocks, Germplasm set_________ ALL
7. Genetic diversity is the variation of individuals in____ Genes, Alleles, cells, ------

-BOTH A & B

8. In 19th century only.........individuals of Elephant whales were present_____20
9. Northern areas of Pakistan are serving as___________ Habitat for Many Species.
10. Climate change-related traits including__________ All Given
11. Hybridization may also introduce the new genetic variation required by trees to adapt to ______Novel Environments
12. some insects use tree terpenes as precursors for their communication or incorporate them into their own defense systems. _______Pheromones
13. Invertebrates accounts for ……. % of the animals on earth _____95
14. …. help to maintain soil structure and the availability of water throughout the soil profile __________ Earthworms
15. The lack of genetic diversity may inhibit the ability of the population to respond to …... change ________Climate
16. The ability of one genotype to produce more than one phenotype when exposed to different environment conditions without genetic change is called

_____Phenotypic Plasticity

17. the capacity of ecosystems to adapt is diminished when biodiversity of ……… is lost _________Invertebrate
18. …… are needed to be able to cope with changing climatic conditions, and increasing demands for food and retain the capacity to adapt to potential changes in the types of crops grown____________ Pollinator Populations
19. Natural selection favors genotypes with ______ ALL given
20. Wild beest are the part of__________________________ Sardine Run Migration
21. Largest migration was observed in______________________ Arctic Term Bird
22. Species that are threatened are sometime characterized by ________Population
23. Dynamics Measure of critical dispensation, A mathematical measure of bio mass. _____ All of Above
24. Encourage the conservation of agro biodiversity and aquatic biodiversity -------

Land Sea Scape

25. ----- as a mass of complimentary conservation--------DNA BANK
26. Tree population rely on ......… interplaying mechanisms to respond to environmental change_______3
27. Nagoya protocol ratified by .......parties_______ 97
28. Forest trees are known for showing great …… in their response to climate changes____ Plasticity
29. Forests are important due to _____________ All Given
30. Changes in climate also make it possible for …… and diseases to invade new areas, destroying the forests there________ Pests
31. The most important causes of extinction of animals and plants is _ Habitat Loss
32. A situation where two (or more) species reciprocally affect each other’s evolution describes as______ Co-Evolution
33. Tree populations rely on three interplaying mechanisms to respond to environmental change _____________All Given
34. ……. Factor/factors can affect the services of invertebrates to the environment_______ ALL Given
35. Forests majorly remove …... from the atmosphere and produce oxygen. _____

Carbon Dioxide

36. Seed orchards, clone banks and clonal archives are examples of …… conservation units _______ Static Ex Situ
37. ……. ensures the success of species in environments that are highly variable and subject change __________Genetic Diversity
38. Climate change may however cause range expansion is_ _HERBIVORE

INSECTS_

39. Thermal gradient can induce_____ due to uneven expansion or contraction in the biochemical system _____ Mechanical Stress
40. ____ are preserved by cryopreservation method________ Genetic Material.
41. Which one of the following is culturally influenced in natural reserve_____ Cave

Dwelling?

42. Genetic resources for food, agriculture and forestry include ________Both Wild

and Domesticated Species

43. Earthworms, ants and termites, have been described as___ Ecosystem Engineers
44. Anthropogenic climate change leading to future large-scale dieback in_____ Amazonian Rain Forest.
45. National park spreading in an area of ---- 100 SQ. KM. TO 500 SQ. KM.
46. Pollinator are_____ major group of invertebrates. --------SECOND
47. Insects pollinate how much plant species__________35%
48. Ramsar convention came into_________ 21 DECEMBER 1975
49. Dolphin is a ________ MAMMAL
50. -----------% of 5488 mammal species and 12 out of 9.990 bird species are considered to be change _______21%
51. WCPA stands for ________________ World Commission on Protected Areas
52. In Europe one estimate put the role of value marketed ----- from forest ________

2.3 BILLION

53. Since the population of Indus has significantly increased here____1970
54. Largest national park of Pakistan_______________ Hingul National Park.
55. If hunting is prohibited a game reserve may be considered____ Nature Reserve.
56. A sanctuary is protected area which is reserved for the conservation of only animals and human activities like ____________Harvesting of Timber
57. Bahawalpur zoo covers ________________ 25 acres
58. Black buck became virtually extinct in the cholistan desert but the species has been reintroduced to _______________ Lal Suhanra.
59. Hingol national park declared reserved in ______________ 1988.
60. Pakistan animal quarantine ___________________________1979