C-05 — Afforestation

What is called afforestation?

Which is called social afforestation?

What percent of total land of a country should be forest land to maintain natural balance?

According to government information, what is the present forest land of Bangladesh?

According to UNESCO, the present forest land in Bangladesh is —

What is the total forest land of Bangladesh at present?

Most of the forest lands of Bangladesh are situated in which regions?

Based on situation and extent, the forest areas of Bangladesh are divided into how many groups?

Which of the following is NOT a type of forest land of Bangladesh based on situation and extent?

About what proportion of total forest area of Bangladesh is occupied by hilly forest?

Hilly forest is situated in which regions of Bangladesh?

The amount of hill forest land —

Which group of districts is covered by hilly forest?

Which of the following tree groups belongs to the hill forest?

Which is a bamboo of the hilly forest?

Which animal is NOT typically found in hilly forest regions?

The forest of greater Dhaka, Tangail, Rangpur, Rajshahi and Cumilla is called —

The main trees of plain land forest are —

Why is the natural forest of plain land regions decreasing?

The total land area of plain land forest is —

Shal wood of plain land forest is mainly used for —

Mangrove forest is situated in which region of Bangladesh?

Why is mangrove forest also called saline water forest?

The main plant of mangrove forest is —

After which plant is Sundarbans named?

The upward facing aerial roots in mangrove plants help in —

Why do mangrove plants need aerial roots?

Which is NOT a tree of the mangrove forest?

Which famous animal lives in mangrove forest?

The total area of Sundarbans is —

Mangrove forest of Bangladesh is situated in how many places?

Which is NOT one of the mangrove forest locations in Bangladesh?

Which is the largest and most resourceful mangrove forest in the world?

Every year, huge amounts of which products are obtained from Sundarbans?

The total area of rural forest in Bangladesh is about —

Where is rural forest mainly created?

What is called the amount of wood stored in the forest?

Which forest of Bangladesh has the highest amount of stored wood?

The total stored wood in all forests of Bangladesh is —

What is the value of one million in lac?

Who is directly involved in management of social forest?

Social forest in Bangladesh is mainly established in —

Which is NOT a necessity of social afforestation?

Social afforestation has been introduced near almost all —

What is agro-forestry?

Agro-forestry is essentially a kind of —

Which is NOT a characteristic of agro-forestry?

Which is a type of agro-forestry?

The main objective of crop forest is to produce —

Agro-forest and fish farm should be established in combination of —

Which is NOT a necessity of agro-forestry?

Forest resource consists of —

In which year was Forest Act established in this sub-continent?

The Government of Bangladesh first amended the Forest Act in —

Further amendment of the Forest Act was brought in —

According to Forest Act, which activity is punishable?

Entrance into restricted forest with firearm requires previous permission of —

Affected person can present details of impairment within —

For violation of Forest Act, minimum punishment is —

Maximum punishment for violation of Forest Act is —

Judgment of Forest Act violation is performed in court of —

The Wild Animal (Conservation) Ordinance was established in —

Within how many miles of a national park is hunting prohibited?

Minimum punishment for violation of wild animal conservation act is —

Maximum punishment for violation of wild animal act is —

Which is NOT considered punishable under wild animal act?

Forest can maintain —

The destruction of forests causes increase of —

What is forest nursery according to dictionary?

From which input are seedlings mainly produced in nursery?

High quality seedlings can also be produced from —

Some seeds must be planted within how many hours of shattering from plants?

Which of the following seeds must be planted within 24 hours?

Which is NOT a reason for which nursery is essential?

Forest nurseries are classified based on how many criteria?

Based on media used, nursery is of how many types?

In which nursery type are seedlings raised in polythene bags?

Which is an advantage of poly-bag nursery?

In bed nursery, seedlings are raised by —

Which type of nursery allows seedling raising year after year?

A disadvantage of permanent nursery is —

In which nursery are seedlings raised according to family need?

In commercial nursery, seedlings are mainly —

Seeds should be collected from —

Seeds can be collected from plants by how many ways generally?

Seeds of segun, garjan, sal, kadam, pitraj, telsur can be collected from —

Which fruit type is a pod?

Which fruit type is a capsule?

Which plant produces cone?

Seed separation is the removal of seeds from —

How many main methods of seed separation are there?

The selection method of seed separation is used for plants whose seed germination requires —

Germination capacity of which seed is increased when dried in sun (selection method)?

Seeds of zarul, cotton, ipil-ipil, mengium, babla, mehgoni, karoi are separated by —

In decomposition method, fruits are allowed to decompose in —

Seeds of which plant are separated by decomposition method?

The seeds of which plants must be sown within 24 hours of collection?

In what way should seeds be stored for preservation?

Seeds should be preserved in places that are —

Which is a permanent nursery?

Suitable soil for permanent nursery is —

Number of seedlings per square meter in 15 cm × 10 cm poly bag is —

Number of seedlings per square meter in 18 cm × 12 cm poly bag is —

Number of seedlings per square meter in 25 cm × 15 cm poly bag is —

Number of seedlings per square meter at 5 cm × 5 cm distance in seed bed is —

Number of seedlings per square meter at 18 cm × 12 cm distance in seed bed is —

Which is NOT a method of fence preparation in permanent nursery?

Living fence can be made with which plant?

Pillars for barbed wire fence are set up at intervals of —

How many beds may remain in each nursery block?

The standard bed size for seedling raising is —

Between two poly-bag beds, soil should be lifted up to —

The duration from seedling plantation to maximum growth when tree becomes usable is called —

In forest management, time of tree felling is divided into how many categories?

Short time rotation trees are cut at —

Which is a short rotation tree?

Medium time rotation trees are cut in —

Which is a medium rotation tree?

Long rotation trees are cut in —

Which is a long rotation tree?

Tree should be cut at how many cm above the soil to produce maximum quality wood?

Why should the base of tree be cut as close as possible to the soil?

Why are branches cleaned before felling a tree?

The tree should always be cut with —

What is inserted in the cut part during tree felling to control direction?

What is called the round piece of cut tree?

Sawn wood having length more than 15 cm and thickness 4 cm is called —

At first what fraction of the tree should be cut toward direction of felling?

The correct volume of logs is determined with the help of —

In the log volume formula, $C_1$ is the —

In the log volume formula, $C_2$ is the —

If length and circumference are measured in metre, the unit of log volume is —

The usable wood from a log is calculated according to —

The formula for volume of wood sheets is —

A Garjan log of 6 m length with narrow end 1.5 m, middle 2.0 m and broad end 2.5 m circumference has volume —

Higher longevity of wood is achieved by lowering moisture content to about —

The controlled removal of water from wood to ensure higher longevity is called —

Seasoning may be done by how many ways?

In air drying, thinly sliced woods are kept in shade above the ground at —

Air drying process of wood seasoning requires at least —

To enable air movement between wood sheets in kiln drying, wood pieces of how much thickness are inserted?

Kiln drying method requires how long for wood seasoning?

Kiln drying lowers moisture content to about —

Which chemical is widely used in Bangladesh as wood preservative?

CCA preservative is composed of how many ingredients?

In CCA mixture, percentage of chromic oxide is —

In CCA mixture, percentage of copper oxide is —

In CCA mixture, percentage of arsenic penta oxide is —

CCA preservative is used as a solution of —

Recommended amount of preservative pushed per cubic foot of wood is —

After CCA treatment, wood becomes ready for use after —

CCA preservative prevents —

The annual amount of collected wood from a forest area should be —

Why is tree felling done after completion of specific time rotation?

The coastal regions of Bangladesh are at threat due to —

Making coastal green prevaricate involves planting trees tolerant to —

Coastal forest areas are also called —

Which district is NOT a saline soil region?

Which two plants are remarkable as coastal plants having desert characteristics?

Why should monocotyledonous plants like coconut and betel nut be planted more in coastal regions?

In coastal barrage afforestation, trees are planted —

Distance maintained between trees in coastal afforestation is —

Coastal plants have thick cuticles on leaf which makes them —

Which is NOT a property of coastal plants helping them face cyclone?

Consider the following statements about coastal plants:

Approximate height of jhao plant is —

Jhao flowers in the month of —

Ripening of jhao fruits requires —

Most effective soil for jhao afforestation is —

Jhao seeds are collected in the month of —

Jhao seedlings are uprooted in —

Jhao seeds can be stored for how long in air-tight pot?

Jhao seeds are sown in —

Germination of jhao seed requires —

Shade for jhao seedlings should be removed after —

Best age of jhao seedlings for planting is —

Why is jhao planted in coastal regions?

Debdaru tree height is around —

Debdaru can survive up to —

Debdaru generally flowers in —

Time of seed collection of debdaru is —

Why must debdaru seeds be sown just after collecting?

How many seeds are sown in each poly bag for debdaru?

Germination capacity of debdaru seed is —

Debdaru seeds germinate within —

Best seedling age for planting debdaru is —

Debdaru wood is —

Debdaru wood is used to prepare —

Debdaru wood is also used to prepare —

Coastal afforestation increases —

Coastal green prevaricate protects from —

The aesthetic necessity of coastal afforestation includes —

Which is NOT an economic benefit of coastal afforestation?

Consider the following needs of coastal afforestation:

Most of the forests of Bangladesh are located in —

Diya was watching a television documentary where most fruits germinated while still attached to the branches; once seedlings matured they fell to ground and embedded in mud. In which plant did Diya see this germination?

The characteristics of the forests seen by Diya in the documentary are —

Why are both an axe and a saw used during tree cutting?

What is wood seasoning?

Why is wood seasoning necessary?

Which is a main characteristic of plants suitable for coastal forestry?

What are respiratory roots?

Why do mangrove plants have respiratory roots?

What are forest rules?

Mr. Zaman planted mangium seeds in 4 sq metre poly-bag nursery using 15 cm × 10 cm poly bags. Total number of seedlings in his nursery is —

Why is establishment of a nursery essential for Mr. Zaman's mangium planting?

The success of Mr. Zaman's nursery is mainly due to —

Sufia Begum's mahogany was 20 years old when cut. Based on rotation period, mahogany belongs to —

Based on rotation period, Gamar and Shishu plants belong to —

A log of length 8 m has narrow end circumference 2 m, middle 2.5 m and broad end 3 m. Approximate volume of the log is —

Was Sufia Begum's action of cutting 20-year-old mahogany trees correct?