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163 result(s)

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Q80

Blaxter (1953) reported --------

A) Bull semen preservation
B) Fish sperm cryopreservation
C) Fish Egg cryopreservation
D) None of them

AI Explanation

In 1953, Blaxter published pioneering work demonstrating the successful cryopreservation of herring fish sperm using glycerol and low temperatures.

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Q81

To preserve the biological material more effectively ..... Cryo-protectants are used.

A) None of them
B) Combination of 2
C) Only one
D) Combination of 3

AI Explanation

Biological materials are frequently protected during freezing by utilizing a combination of two cryoprotective agents to minimize cellular toxicity while maximizing recovery.

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Q82

Cryopreservation technique that leads to a glass-like solidification is known as ------ .

A) Vitrification
B) Glass cryopreservation
C) Putrification
D) Slow freezing

AI Explanation

Vitrification is a rapid cooling process that turns liquid solutions into an amorphous, glass-like solid, avoiding the formation of damaging ice crystals.

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Q83

First successful cryo-preservation of _____ was used to propagate endangered species.

A) Bull embryo
B) Bull semen
C) Sheep egg
D) None of them

AI Explanation

The first successful cryopreservation and subsequent transfer leading to live birth involved a bull embryo, advancing reproductive technologies for conservation.

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Q84

Criteria to develop protected areas are dependent on ------.

A) Significant location
B) Mechanism
C) All of them
D) Objective

AI Explanation

The design and development of protected areas depend on multiple factors, including conservation objectives, administrative mechanisms, and significant geographic locations.

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Q85

Which Category areas are not necessarily associated with human presence and intervention?

A) Category I
B) Category VI
C) Category IV
D) Category V

AI Explanation

IUCN Category I protected areas (Strict Nature Reserves and Wilderness Areas) are managed primarily for science or wilderness protection, meaning human presence and intervention are tightly restricted or absent.

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Q86

WDPA full form is -----.

A) Word data bank of protection
B) World Datgen bank on protected areas
C) World databank to preserve threatened areas
D) World Database on protected Area

AI Explanation

WDPA stands for the World Database on Protected Areas, serving as the most extensive global database of terrestrial and marine protected sites.

BT401 Final Term AI Solved

Q87

OHSS can be treated by ___ .

A) Adequate fluid intake
B) All of them
C) Drainage of abdominal fluid via syringes
D) Measurement of Urine excretion

AI Explanation

Management of ovarian hyperstimulation syndrome (OHSS) typically encompasses multiple supportive care actions, including monitoring urine output, ensuring sufficient fluid intake, and draining paracentesis fluid when necessary.

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Q88

Which of the following factors are important for selection of plant material.

A) Both nature and density
B) Density
C) Nature
D) Growth

AI Explanation

When selecting appropriate plant materials for propagation or conservation, both the physiological nature and tissue density are critical properties to evaluate.

BT401 Final Term AI Solved

Q89

An International Board for Plant Genetic Resource (IBPGR) was established in -------.

A) 1973
B) 1971
C) 1970
D) 1972

AI Explanation

The creation of the International Board for Plant Genetic Resources (IBPGR) was initiated by a decision of the CGIAR in late 1973 (and operationalized in 1974).

BT401 Final Term AI Solved

Q90

Runn of Kutch Wildlife Sanctuary is part of the ------ .

A) Thar desert
B) Wildlife park
C) None of them
D) Wildlife park

AI Explanation

The Rann of Kutch Wildlife Sanctuary is situated in the desert region which forms part of the larger Thar desert ecosystem spanning the borderlands.

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Q91

In _____ conservation of habitats rich in genetic diversity was recommended in the UN conference.

A) 2001
B) 1972
C) 1999
D) 1930

AI Explanation

The UN Conference on the Human Environment held in Stockholm in 1972 marked a major turning point in international environmental politics, emphasizing habitat and genetic diversity conservation.

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Q92

One of the three pillars of Ramsar convention is -----

A) To achieve sustainable development
B) Wise use of wetland
C) All of above
D) To conserve wetland

AI Explanation

The Ramsar Convention operates on three interconnected pillars: the wise use of all wetlands, the designation of Wetlands of International Importance, and international cooperation.

BT401 Final Term AI Solved

Q93

Abdul Wali Khan University Botanical Garden is in ----- .

A) Kohat
B) Rawalpindi
C) Karachi
D) Mardan

AI Explanation

The Abdul Wali Khan University Botanical Garden is located in Mardan, Khyber Pakhtunkhwa, Pakistan, serving as a center for plant research and conservation.

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Q94

In 2013, --------- Ramsar sites has been declared in Pakistan.

A) 17
B) 27
C) 19
D) 15

AI Explanation

Pakistan designated several wetlands under the Ramsar Convention, bringing the total count to 27 recognized Ramsar sites by 2013.

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Q95

Ramsar convention mission is -----

A) To conserve wetland
B) To achieve sustainable development
C) Wise use of wetland
D) All of above

AI Explanation

The Ramsar Convention's official mission encompasses the conservation, wise use of wetlands, and contributing towards achieving global sustainable development. Therefore, all the listed choices are correct components of its mission.

BT401 Final Term AI Solved

Q96

Meeting of different nation for Ramsar conservation was conducted in -----

A) Iranian city
B) USA
C) France
D) Germany

AI Explanation

The Ramsar Convention was signed in Ramsar, an Iranian city on the shores of the Caspian Sea, in 1971.

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Q97

Ramsar agreement came into force in -------.

A) 1974
B) 1971
C) 1975
D) 1976

AI Explanation

The Ramsar Convention was adopted in 1971 and officially came into force a few years later in December 1975.

BT401 Final Term AI Solved

Q98

Wildlife sanctuaries are used to ______ endangered species.

A) Abandon
B) Cryopreserve
C) Preserve
D) List down

AI Explanation

Wildlife sanctuaries are designated protected areas primarily utilized to safeguard and preserve threatened and endangered species in their natural habitats.

BT401 Final Term AI Solved

Q99

Dehydrated cells and seeds are stored by ...... method.

A) Slow freezing
B) Combined freezing
C) Dry freezing
D) Rapid freezing

AI Explanation

Dry freezing or lyophilization is commonly applied to pre-dehydrated materials, including specific cells and seeds, to ensure long-term stability.