C-01 — Agricultural Technology

According to a farmer's perspective, what depth of the surface layer of earth is called soil?

Which type of soil is most suitable for rice cultivation?

Which crop grows well in sandy or sandy-loam soil?

The soils of Bangladesh are mainly formed by the siltation of which rivers?

Soil pH range suitable for rice cultivation is:

Soil pH range suitable for wheat cultivation is:

Which type of land is most suitable for wheat cultivation?

Wheat is NOT typically cultivated in which type of area?

Which crop grows well in the silty fertile land of the Brahmaputra, Jamuna and Meghna rivers?

Pulses grow well in:

The soil reaction suitable for pulse cultivation is:

Which weather condition is suitable for pulse cultivation?

Loam and sandy-loam soil is very suitable for which crop?

Well-aerated soft and loose soil is suitable for potato because it:

To grow tomato in sandy soil, what should be added?

Soil pH suitable for tomato cultivation is:

Soil pH range 6.0-7.0 is preferred for which crop?

How many Agro-Ecological Zones is Bangladesh divided into?

The 30 Agro-Ecological Zones are grouped into how many soil-based regions?

Which is NOT one of the five soil-based regions of Bangladesh?

Which region has soil pH ranging between 5.2 and 6.2 with very low organic matter?

In the loam and silt-loam region, which is a rainfed Rabi crop?

Boro rice cultivation falls in which season?

The main crop of the clay soil region in both rainfed and irrigated conditions is:

The soil pH range of the Barind and Madhupur tract is:

Khagrachhari, Bandarban, Rangamati and Cox's Bazar belong to which region?

The soil pH range of the Hilly and Piedmont region is:

Saint Martin's Island, Feni, Noakhali, Barishal and Bhola belong to:

The soil pH range of the coastal region is:

Consider the following statements about loamy soil:

Which is the most important operation among agricultural activities?

For broadcast aus rice, seeds are:

The proper duration for wheat cultivation is:

For wheat cultivation, soil is made friable by:

Which soil is suitable for wheat cultivation because it becomes easily friable?

For pulse crops cultivation in Bangladesh:

For potato, field is made friable by how many ploughings (traditional method) followed by several harrowings?

With a power tiller, how many ploughings make the soil friable for potato?

Depth of furrows for potato sowing is:

Distance between two furrows in potato cultivation is:

Distance between two potato seeds in a furrow is:

According to Khana's proverb, how many ploughings are required for radish (Mula)?

How many ploughings are required for cotton (Tula) according to Khana's proverb?

How many ploughings are sufficient for rice cultivation according to Khana's proverb?

According to Khana's proverb, which crop does NOT require any ploughing?

Which is NOT an objective of tillage?

Which soil-borne insects are predominantly destroyed during tillage?

Heavy clay soil typically requires how many ploughings for tillage?

Light soils like loamy or sandy require how many ploughings for tillage?

Which green manure crop is mixed with soil before flowering to enrich organic matter and fertility?

Which is NOT a factor influencing land cultivation?

Which crops typically require deep ploughing?

In intensive crop cultivation just after harvesting one crop:

Consider the objectives of tillage:

The transportation of surface soil due to various reasons is called:

Eroded soil is deposited on:

How many main types of soil erosion are there?

Natural soil erosion is mainly divided into:

Soil erosion due to rainfall is divided into how many classes?

Which erosion removes a thin sheet of fertile soil from higher to lower slope?

The second step of sheet erosion is:

Rill erosion forms:

The third step of sheet erosion is:

Channel erosion is mostly found in which region of Bangladesh?

A remarkable cause of soil erosion in Bangladesh is:

Wind erosion is higher where there is:

In Bangladesh, small amount of wind/air erosion is noticed in:

Which is NOT a demerit of soil erosion?

Which is NOT a cause of soil erosion?

Zoom (jum) cultivation is mainly practiced in:

Which crop covers the soil and helps prevent soil erosion?

Cultivation of crops directly across the slopes of hills is known as:

Sandy-loam soil has lower erosion because:

Why does clay soil suffer more erosion despite being heavy?

Which is NOT a method of controlling soil erosion?

Consider the following causes of soil erosion:

Consider the following methods for controlling soil erosion:

Seed preservation starts from:

At the time of harvest, seed moisture content remains:

To use seed for the next season, moisture content should be lowered to:

To ensure proper drying, seeds are tested by:

For proper drying, seeds are dried in high intensity sunlight for:

Which is NOT used to save seed bags from insect attack?

Determination of the percentage of pure seed in a seed sample is known as:

Components of a seed sample include:

Seed germination starts when seed moisture content is:

The formula for % seed moisture is:

The test that creates an unfavorable condition to seed germination to identify strong seeds is:

Rice gola is used for:

Before storing seeds in gola, a layer is made by:

Polythene bag invented by RDRS for seed preservation has a capacity of:

After filling seeds in the polythene bag, its opening is sealed by:

Motka used for seed preservation is:

Approximately what percentage of crops is damaged by rats, birds, fungi, moisture etc.?

Dol used for seed preservation is made of:

Which is NOT information to be given to customers during seed marketing?

Consider the following methods of seed preservation:

Consider the following information given during seed marketing:

In modern fish culture, what percentage of total cost is required for purchasing feed?

Fungus or insects may affect feed if moisture content is more than:

If relative humidity of environment exceeds what percent, fungus or insects may grow in feed?

Insects grow fast in feed at temperature:

Oxygen exposure of feed causes:

In storage room, preserved feed should be kept on wood pallet at what height from the floor?

Feed should not be stored for more than:

What can be spread under and around feed bags to control insects?

Feed prepared with small fresh fishes should be:

Which leguminous grasses are most suitable for hay making?

Grasses should be cut for hay making at which stage?

Moisture content of grass maintained for hay making is:

Which grasses are most suitable for silage making?

During silage making, what is sprayed over the grasses in the silo pit?

Farmers provide how much dried straw daily to a livestock animal?

Straw is mainly classified as:

Supplementary feed for fry should be provided at the rate of how much of body weight?

For fingerlings, supplementary feed rate is:

For adult fish, supplementary feed rate is:

Protein requirement for carp or rui fish is:

Protein requirement for shrimp is:

Protein requirement for catfish or magur is:

FCR stands for:

The formula for FCR is:

If 21 kg feed is supplied to fish whose total weight grew from 1 kg to 15 kg, what is FCR?

A lower FCR value indicates:

In a supplementary feed mixture for carp/rui, fish meal percentage is:

In a supplementary feed mixture for carp/rui, mustard oil cake percentage is:

Vitamin and mineral percentage in carp/rui feed mixture is:

Oil cake should be used after soaking in water for:

Daily fish feed is divided into how many parts (morning and afternoon)?

Shrimp typically takes feed:

Moist or wet feed should be supplied on feeder tray placed in pond water at what depth from the top?

If the pond becomes deep green, feed application should be:

In winter, fish feed application should be:

In urea-molasses straw, urea is mixed with water in what ratio?

How much urea-treated straw is supplied daily to cattle?

How much molasses is added to the straw daily?

Cattle are allowed to lick how much urea-molasses block daily?

Algae contains protein on dry-matter basis approximately:

Algae contains fat on dry-matter basis approximately:

The main type of unicellular algae used as livestock feed is:

After how many days of culture can algae water be provided to cattle?

Spoilage of algae culture is indicated by water colour changing from:

Milk replacer contains approximately:

Calf starter contains:

Milk replacer is provided to a calf at the rate of:

Calf starter feed is provided daily at the rate of:

Which is an example of a plant-origin fish feed ingredient?

Which is an example of an animal-origin fish feed ingredient?

Supplementary feed which contains all nutrients in required levels is called:

Grass carp and Shwarpunti are mainly:

Which type of soil is good for potato production?

Which is not a herbivorous fish?

To protect seed bags from insect infestation, -

Mr. Tasfi was cultivating potatoes on land near a river. Initially his land produced as expected but now the yield is declining. The reason for the decrease in yield of Mr. Tasfi's land is —

Why did the agriculture officer advise Mr. Tasfi to make a ridge/ditch on the sloped part of the land?

Why is organic matter called the life of soil?

How does tillage help control soil-borne pests?

Why does land cultivation differ according to crop type?

Why is green grass kept in airtight condition while making silage?

Why does the quality of fish depend on the quality of feed?

Mr. Shafiq took 100 g of wheat seed and after drying it weighed 90 g. The seed moisture content is:

Mr. Shafiq's wheat seed showed satisfactory germination and freshness. The activity he performed is best evaluated as:

Why is natural feed alone not sufficient in modern fish farming?

Mrs. Sabia's success in fish farming inspired other farmers to use supplementary feed. The importance of their activity is: