MCQ Bank

Gene banks often utilize low-temperature storage units and are frequently referred to as cryogenic facilities due to their reliance on cryopreservation methods.

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Q21

Challenges for vitrification are ____ .

A) New protocol for slow freezing
B) Contamination of nitrogen liquid
C) Toxicity of Cryo-protectants
D) All of them

AI Explanation

Vitrification requires extremely high concentrations of cryoprotectants, making chemical toxicity and osmotic shock major challenges during the procedure.

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Q22

The agreement on World Heritage Convention was signed on ____ .

A) 1980’s
B) 1990’s
C) 1960’s
D) 1970's

AI Explanation

The Convention Concerning the Protection of the World Cultural and Natural Heritage (World Heritage Convention) was adopted by UNESCO in 1972.

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Q23

WCPA stands for ---- .

A) World Commission on Protected Areas
B) World Conference on Protected Areas
C) World comity on Protected Areas
D) both a and c

AI Explanation

WCPA stands for the World Commission on Protected Areas, which is IUCN's premier network of protected area expertise.

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Q24

According to the world database on protected areas there are over ............. protected areas around the world.

A) 210,005
B) 210,000
C) 310,000
D) 220,000

AI Explanation

Data compiled by the World Database on Protected Areas notes that there are over 210,000 officially designated protected areas globally.

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Q25

The report on fish sperm cryo-preservation was published in _____ .

A) 1956
B) 1935
C) 1965
D) 1953

AI Explanation

The successful cryopreservation and reporting of fish sperm using glycerol and low temperatures were notably advanced and published around the early 1950s, specifically in 1953 by Blaxter.

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Q26

Category ___ provide management approach for already modified areas.

A) 5
B) 4
C) 2
D) 3

AI Explanation

IUCN Category V protected areas (Protected Landscape/Seascape) specifically focus on the conservation and management of areas where the interaction of people and nature over time has produced an distinct, modified character.

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Q27

Sperm-banking is a procedure to ----- .

A) freeze sperm cells
B) Thaw sperm
C) Preserve sperm cells
D) None of them

AI Explanation

Sperm banking is a specialized procedure aimed at preserving sperm cells via freezing and long-term storage for future use in fertility treatments.

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Q28

Low temperature is used for -------.

A) All of them
B) Transport of human organs
C) Organ storage
D) Fertility treatment

AI Explanation

Low temperatures and cryopreservation play critical roles across multiple medical applications, including organ storage, the safe transport of human organs for transplants, and fertility treatments like sperm and embryo banking.

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Q29

Ovarian hyper stimulation syndrome (OHSS) cause ____ .

A) Diarrhea
B) Abdominal Pain
C) All of them
D) Weight loss

AI Explanation

Ovarian hyperstimulation syndrome (OHSS) is a medical condition resulting from over-stimulation of the ovaries, commonly causing symptoms such as abdominal pain, bloating, and nausea.

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Q30

Yellowstone National park was designated as ‘Park’ in _____ .

A) 1873
B) 1874
C) 1871
D) 1872

AI Explanation

Yellowstone National Park was established as the world's first national park by the U.S. Congress and signed into law on March 1, 1872.

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Q31

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

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

AI Explanation

IUCN Category I protected areas (Strict Nature Reserves and Wilderness Areas) are strictly protected areas set aside to preserve biodiversity and ecosystems, generally without permanent or significant human habitation.

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Q32

Barcelona Convention for the protection of Mediterranean areas was developed in ------ .

A) 1940’2
B) 1900
C) 1980’s
D) 1970’s

AI Explanation

The Barcelona Convention for the Protection of the Mediterranean Sea Against Pollution was adopted in 1976 as part of UNEP's Regional Seas Programme.

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Q33

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

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

AI Explanation

The first successful cryopreservation and subsequent birth of a mammal from a frozen-thawed embryo was achieved with a bull embryo in 1973, significantly advancing assisted reproduction and conservation.

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Q34

Dehydrated cells and seeds are stored by ____ method.

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

AI Explanation

Dry freezing (lyophilization or desiccation-based methods) is often applied to pre-dehydrated materials like specific seeds and cells to maintain long-term stability at low temperatures.

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Q35

Dividing cells cannot be stored for long term because ----

A) Cell arrest incompletely
B) Freezing
C) cell arrest completely
D) None of them

AI Explanation

Actively dividing cells are difficult to cryopreserve long-term because their ongoing cell cycle phases and high metabolic states mean cell arrest is incomplete, increasing susceptibility to damage during freezing.

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Q36

In IUCN Management category ___ vegetation pattern is protected.

A) 4
B) 2
C) 5
D) 3

AI Explanation

IUCN Category II protected areas (National Parks) are designated to protect large-scale ecological processes along with the species and vegetation patterns characteristic of the area.

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Q37

Habitat- Species management Areas comes in ___ category of protected areas.

A) 4
B) 3
C) 2
D) 5

AI Explanation

Habitat and Species Management Areas are classified under IUCN Category IV, which focuses on active management interventions to ensure the maintenance of habitats and species.

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Q38

The first conference on national park was held on ___ .

A) 1964
B) 1962
C) 1961
D) 1963

AI Explanation

The First World Conference on National Parks was held in Seattle, Washington, in 1962, marking a major milestone in global conservation policy.

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Q39

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 an ultra-rapid cryopreservation technique that turns liquid solutions into an amorphous, glass-like solid without forming damaging ice crystals.