Taxonomical Aids Questions in English

(A) Botanical gardens are specialized gardens that have collections of living plants for reference. Plant species in these gardens are grown for identification purposes and each plant is labeled indicating its botanical/scientific name and its family. These gardens serve as ex-situ conservation sites and provide comprehensive information regarding the origin,habitat,and characteristics of various plant groups.

(A) Botanical gardens are specialized gardens that have collections of living plants for reference.
These gardens serve as important centers for research and education.
They provide valuable information regarding the ecological requirements,economic importance,and ethnobotanical uses of various plant species.
Therefore,the correct option is $A$.

(C) The Herbarium of the Department of Botany at Gujarat University,Ahmedabad,is a well-recognized facility for plant specimens in the state of Gujarat. While major national herbaria like the Central National Herbarium are located in Kolkata,regional universities maintain significant collections for research and academic purposes.

(A) In the context of herbarium techniques,dried plant specimens are susceptible to damage by fungi,insects,and moisture over time.
To prevent this,a process known as 'poisoning' is performed.
Poisoning involves treating the dried specimens with specific chemicals (such as mercuric chloride) to ensure their long-term preservation.
Therefore,the statement $S$ correctly identifies the purpose of periodic poisoning,and the reason $R$ correctly defines the process and its necessity.
Thus,both $S$ and $R$ are true,and $R$ is the correct explanation of $S$.

(A) herbarium is a storehouse of collected plant specimens that are dried,pressed,and preserved on sheets.
These specimens,along with descriptions on herbarium sheets,become a storehouse or repository for future use.
Since the preservation of specimens (as mentioned in $S$) is done specifically to maintain them as a storehouse (as mentioned in $R$),$R$ is the correct explanation for $S$.
Therefore,both $S$ and $R$ are true,and $R$ is the correct explanation of $S$.

(D) herbarium is a storehouse of collected plant specimens that are dried, pressed, and preserved on sheets.
$1$. $Pressing$: Plant specimens are pressed to remove moisture and flatten them.
$2$. $Mounting$: The dried specimens are then mounted on herbarium sheets.
$3$. $Labeling$: Each sheet is labeled with information such as the date, place of collection, English/local/botanical names, and the collector's name.
$4$. $Conservatory$: $A$ conservatory is a place where living plants are grown for display or study, which is distinct from a herbarium (a collection of dead, preserved specimens).
Therefore, a conservatory is not a part of the herbarium process.

(A) Botanical gardens serve as ex-situ conservation centers where living plants are grown for identification and research purposes.
They provide a complete record of the origin and collection of plant species,which is essential for taxonomic studies and understanding plant diversity.
Therefore,option $A$ is the most relevant function among the choices provided.

(C) Preservation is a critical step in the preparation of herbarium specimens. The standard steps include:
$1$. Collection of the plant specimen.
$2$. Drying (to remove moisture).
$3$. Pressing (to flatten the specimen).
$4$. Poisoning (to prevent fungal or insect attack using chemicals like $HgCl_2$).
$5$. Mounting (on herbarium sheets).
$6$. Labeling.
Among the given options,all are steps in the process,but 'Poisoning' is specifically a chemical method of preservation to protect the specimen from decay and pests.

(D) herbarium is a storehouse of collected plant specimens that are dried,pressed,and preserved on sheets.
$1$. It serves as a repository for plant collections.
$2$. It ensures the long-term preservation of plant specimens for future reference.
$3$. It provides a platform for the comparative study of different plant species,helping in their identification and taxonomic classification.
Therefore,all the given options are correct.

(B) The Central National Herbarium is one of the largest and most important herbaria in India. It is located at the Indian Botanic Garden in Shibpur,Howrah,near Kolkata,West Bengal. It is managed by the Botanical Survey of India $(BSI)$.

(C) The largest botanical garden in India is the $Acharya$ $Jagadish$ $Chandra$ $Bose$ $Indian$ $Botanic$ $Garden$,formerly known as the $Royal$ $Botanic$ $Garden$. It is located in $Shibpur$,$Kolkata$ (formerly $Calcutta$). It is famous for its massive $Great$ $Banyan$ $Tree$,which is one of the largest in the world.

(B) Taxonomical aids are tools used to study and classify organisms. The primary source for the study of taxonomy is the collection of actual specimens of plants and animals. These specimens serve as the fundamental basis for taxonomic studies,identification,and classification. Museums,herbaria,botanical gardens,and zoological parks are examples of such collections.

(C) $Herbarium$ is a storehouse of collected plant specimens that are dried,pressed,and preserved on sheets. These sheets are arranged according to a universally accepted system of classification. They serve as a quick referral system in taxonomic studies.

(C) The correct sequence for preparing a herbarium specimen is as follows:
$1$. $Collection$: Gathering the plant specimen from the field.
$2$. $Drying$: Removing moisture from the specimen using blotting paper or newspapers.
$3$. $Poisoning$: Treating the specimen with chemicals like $HgCl_2$ (mercuric chloride) to prevent fungal or insect attack.
$4$. $Mounting$: Fixing the dried and poisoned specimen onto a herbarium sheet.

(B) In the process of preparing a herbarium,plant specimens are pressed and dried to remove moisture. Blotting paper is specifically used for this purpose because it has high absorbency,which helps in quickly absorbing the moisture from the plant parts,thereby preventing decay and preserving the specimen effectively.

(B) In the context of biological museum techniques,poisoning is a method used to preserve specimens (especially insects or dried plants) from fungal growth and insect infestation. This involves treating the specimens with specific toxic substances or chemicals like naphthalene or mercuric chloride to prevent decay and damage.

(A) The process of preserving dried plant specimens in a herbarium involves treating them with specific chemicals to prevent fungal growth and insect infestation. This process is known as $Fumigation$. $Pressing$ is the process of flattening the plant,$Grafting$ is a horticultural technique,and $Succession$ refers to ecological changes in a community over time.

(C) $Herbarium$ is a storehouse of collected plant specimens that are dried, pressed, and preserved on sheets. These sheets are of a standard, fixed size ($29 \, cm \times 41 \, cm$ or $11.5 \, \text{inches} \times 16.5 \, \text{inches}$). These sheets are arranged according to a universally accepted system of classification and are used for further taxonomic studies.

(A) Fumigation is a method of pest control that completely fills an area with gaseous pesticides—or fumigants—to suffocate or poison the pests within. It is primarily used to protect stored grains and herbarium specimens from damage caused by fungi and insects. It also helps in controlling moisture levels to prevent decay. Therefore,the correct combination is fungi,insects,and moisture.

(A) Herbarium sheets are prepared by drying,pressing,and mounting plant specimens on sheets. To protect these specimens from fungal growth and insect attacks,they are treated with chemical substances like $0.1\%$ mercuric chloride. This process is known as $Poisoning$.

(D) herbarium sheet is a dried and pressed plant specimen mounted on a standard-sized sheet of paper.
To maintain systematic records, a label is attached to the herbarium sheet.
This label provides essential information such as the date and place of collection, English, local, and botanical names, family, and the name of the collector.
According to standard botanical practices, this label is always placed at the $Right$ and $Bottom$ corner of the herbarium sheet.

(B) The $Royal$ $Botanic$ $Gardens$,$Kew$,located in England,is one of the most famous and largest botanical gardens in the world.
It is a $UNESCO$ World Heritage site and houses a massive collection of living plants and preserved herbarium specimens.
Therefore,the correct option is $B$.

(B) Botanical gardens are institutions where plants are grown for scientific study,conservation,and public display. They are particularly useful for obtaining economic and ethnobotanical information because they maintain living collections of plants,often with detailed records regarding their medicinal,nutritional,and industrial uses. Unlike herbaria,which contain dried specimens,botanical gardens allow for the study of living plants in various stages of growth and development.

(B) The Forest Research Institute $(FRI)$ is a premier institution in the field of forestry research in India.
It is located in Dehradun,Uttarakhand.
The herbarium maintained by the $FRI$ is one of the oldest and largest herbaria in India,housing a vast collection of plant specimens.

(C) The $Central$ $National$ $Herbarium$ is located at the Indian Botanic Garden in Howrah,near Kolkata,West Bengal. It is one of the largest and most significant herbaria in India,housing a vast collection of dried plant specimens.

(A) Botanical gardens are specialized gardens that have collections of living plants for reference. These gardens provide facilities for taxonomic research by maintaining a wide variety of plant species,which are labeled with their botanical names and families. They serve as living herbaria and are essential for the study and conservation of plant biodiversity.

(C) In a herbarium,plant specimens are collected and then subjected to a process of pressing and drying to remove moisture and preserve them. After drying,these specimens are carefully mounted on standard-sized herbarium sheets ($29 \ cm \times 41 \ cm$ or $11.5 \ inches \times 16.5 \ inches$). Only after this preparation are they stored in steel or wooden cabinets for long-term preservation and study.

(NONE) herbarium is a storehouse of collected plant specimens that are dried,pressed,and preserved on sheets.
$1$. The specimen is mounted on the sheet using glue or adhesive tape.
$2$. Poisoning is a crucial step where the specimen is treated with chemicals like $HgCl_2$ (mercuric chloride) to prevent fungal and insect attacks.
$3$. These sheets are stored in cupboards in a systematic order (usually according to a recognized system of classification).
$4$. Fumigation is a method used to protect the stored specimens from pests and insects.
Since all the given statements $(A, B, C, D)$ are standard procedures in the preparation and maintenance of a herbarium,none of the statements are false. However,if this is a multiple-choice question where one must be selected,it is likely based on a misunderstanding of the term 'preservation' versus 'poisoning'. In standard biology curriculum,all these steps are correct.

(C) botanical garden is a collection of living plants grown for reference.
$1$. It helps in the identification of plant specimens ($A$ is true).
$2$. It provides facilities for taxonomic research ($B$ is true).
$3$. It is primarily for the conservation of living plants and research,not specifically for establishing seed banks (which are specialized facilities for germplasm conservation).
$4$. It provides information and materials (like keys) for modern classification ($D$ is true).
Therefore,the statement that is $NOT$ true is that it is used to establish seed banks.

(D) herbarium is a storehouse of collected plant specimens that are dried,pressed,and preserved on sheets. These sheets are arranged according to a universally accepted system of classification. Therefore,statement $P$ is correct.
Herbaria follow specific,standardized methods for the collection,drying,poisoning (to prevent fungal/insect attack),mounting,and labeling of plant specimens to ensure their long-term preservation. Therefore,statement $Q$ is also correct.
Thus,both statements are true.

(A) The correct matches are as follows:
$1$. Central National Herbarium is located in Kolkata $(A-ii)$.
$2$. Herbarium of Forest Research Institute is located in Dehradun $(B-iii)$.
$3$. Royal Botanic Gardens (Kew) is located in England $(C-iv)$.
Therefore,the correct sequence is $(A-ii), (B-iii), (C-iv)$.

(B) The Lloyd Botanical Garden is a famous botanical garden located in Darjeeling,West Bengal,India. It was established in $1878$ and is named after William Lloyd. It is known for its collection of Himalayan plants and orchids.

$(A)$ The correct matches are as follows:
$1.$ Royal Botanical Garden is located at Kew, England $(1-q)$.
$2.$ National Botanical Research Institute $(NBRI)$ is located at Lucknow $(2-p)$.
$3.$ Lloyd Botanical Garden is located at Darjeeling $(3-s)$.
$4.$ Indian Botanical Garden is located at Howrah, Kolkata $(4-r)$.
Therefore, the correct sequence is $1-q, 2-p, 3-s, 4-r$.

(C) The $IABG$ stands for the International Association of Botanic Gardens.
This organization maintains a global database and records of important botanical gardens across the world.
$ICBN$ stands for International Code of Botanical Nomenclature,which deals with the naming of plants.
$ICZN$ stands for International Code of Zoological Nomenclature,which deals with the naming of animals.
Therefore,the correct option is $C$.

(D) Botanical gardens are specialized gardens that hold collections of living plants for reference.
They are necessary because:
$1$. They help in the conservation of the environment by maintaining plant biodiversity.
$2$. They serve as repositories for the nation's natural plant resources,preserving rare and endangered species.
$3$. They provide essential facilities for the study of botany,allowing researchers and students to observe plant growth,taxonomy,and ecological interactions in a controlled environment.
Therefore,all the given options are correct.

(D) Botanical gardens are specialized gardens that have collections of living plants for reference. These gardens serve several purposes,including the conservation of rare plant species,research,and education. For the general public,botanical gardens provide information regarding horticulture methods and landscape gardening,helping people understand plant care and aesthetic cultivation.

(D) Botanical gardens are specialized gardens that have collections of living plants for reference. These gardens serve as important centers for botanical research. Through research conducted in these gardens,scientists can study plant growth,adaptation,and breeding. This research leads to the development of new and improved varieties of plants,including fruits,vegetables,and ornamental flowers,which are beneficial for agriculture and horticulture. Therefore,all the listed options are correct outcomes of such research.

(D) Botanical gardens serve as $ex-situ$ conservation centers. They are important because:
$1$. They help in the conservation of genetic diversity of various plant species.
$2$. They provide a safe habitat for endangered plant species that are at risk of extinction in the wild.
$3$. They facilitate the study and conservation of rare plant species.
Therefore,all the given options are correct.

(B) The Indian Botanical Garden,officially known as the Acharya Jagadish Chandra Bose Indian Botanic Garden,is located in Shibpur,Howrah,near Kolkata,West Bengal. It is famous for its massive Great Banyan Tree.

(A) Botanical gardens serve as ex-situ conservation centers and research hubs.
They facilitate the study of plant taxonomy,physiology,and breeding.
Through advanced techniques like hybridization,tissue culture,and grafting,researchers develop new and improved plant varieties.
Additionally,they maintain germplasm banks to preserve genetic diversity.
Therefore,both the assertion and the reason are true,and the reason correctly explains how research in botanical gardens leads to the development of new plant varieties.

(D) Botanical gardens are specialized gardens having collections of living plants for reference.
$1$. They provide facilities for taxonomic research for students.
$2$. They provide keys for developing modern classification systems.
$3$. They provide a specialized environment for growing plants from other regions (ex-situ conservation).
$4$. Option $D$ is incorrect because botanical gardens are primarily for the conservation of living plant species and taxonomic study,not for studying the complete evolutionary origin or the entire ecological community dynamics of plants in their natural habitat.

(D) The National Botanical Research Institute $(NBRI)$ is a premier plant research institute located in Lucknow,Uttar Pradesh,India. It is a constituent laboratory of the Council of Scientific and Industrial Research $(CSIR)$. Therefore,the correct option is $D$.

(D) Botanical gardens are specialized institutions that maintain collections of living plants for reference.
To facilitate the growth of plants from different climatic regions (exotic species),specific structures are developed within these gardens.
$A$ greenhouse is used for temperature-sensitive plants,a cactushouse is designed for arid-region succulents,and a fernery is maintained for shade-loving ferns.
Therefore,all these structures are used in botanical gardens to support diverse plant life.

(A) The Great Banyan tree is a massive banyan tree $(Ficus \text{ } benghalensis)$ located in the Acharya Jagadish Chandra Bose Indian Botanic Garden in Shibpur, Kolkata. It is famous for its enormous canopy and is one of the largest trees in the world.

(B) Museums and libraries located in botanical gardens or research institutions serve as vital repositories for scientific study. They primarily provide $Taxonomical$ information, which includes the classification, identification, and nomenclature of plant species. This data is essential for researchers to understand the relationships between different plant groups and to document biodiversity.

(C) The $Botanical$ $Garden$ located in $Waghai$, $Dang$ district, is a well-known botanical garden in the state of $Gujarat$. It is also known as the $Gira$ $Botanical$ $Garden$.

(D) Botanical gardens serve as $ex-situ$ conservation centers. Their primary importance lies in the cultivation and preservation of rare,threatened,and endangered plant species that might otherwise face extinction in their natural habitats. By maintaining these species,botanical gardens contribute significantly to biodiversity conservation and scientific research.

(A) The Museum of Natural History in Paris,France,is a famous institution that houses extensive collections of biological specimens. It is primarily classified as a $Zoological$ $museum$ because it contains preserved specimens of animals,including skeletons,stuffed animals,and other biological records,which are used for research and education. Therefore,the correct option is $A$.

(D) Botanical gardens serve as ex-situ conservation centers. The most important function of a botanical garden is the conservation of rare and endangered plant species and the maintenance of germplasm (gene bank) for future research and biodiversity preservation.

(D) Botanical gardens are specialized gardens that hold collections of living plants for reference.
$1$. They provide integrated information on plant ecology by maintaining plants in their near-natural habitats.
$2$. They serve as important centers for botanical research,including studies on plant physiology,breeding,and conservation.
$3$. They help in understanding taxonomic relationships by displaying a wide variety of plant species labeled with their botanical names and families.
Therefore,all the given statements are correct.