Which soil is the most suitable for rice cultivation?
- aSandy soil
- bClayey or silt-loam soil
- cGravel soil
- dPeat soil
223 questions · 10 sections
Which soil is the most suitable for rice cultivation?
Which of the following is a High Yielding Variety (HYV) of rice?
How many HYV rice varieties has BRRI developed?
How many hybrid rice varieties has BRRI developed?
Three seasons of rice in Bangladesh are —
How many rice varieties are cultivated only in aus season?
How many rice varieties are cultivated only in aman season?
How many rice varieties are cultivated only in boro season?
Seedling age for transplanting in boro season is —
Seedling age for transplanting in aman season is —
Minimum germination capacity required for rice seed selection is —
To prepare urea-salt solution for seed selection, how much urea is mixed with 10 litre water?
Suitable temperature and duration of warm water for rice seed treatment are —
Sprouting time of rice seeds in aman season is —
Sprouting time of rice seeds in boro season is —
Which of the following is NOT a type of rice seed bed?
Size of a rice seed bed in one decimal land (excluding drain) is —
Space kept between two seed beds for drain is —
How many grams of rice seed are broadcasted per square meter of seed bed?
Urea fertilizer should be applied in rice land in how many installments?
The first installment of urea in rice should be applied after transplanting at —
The third installment of urea is applied at —
Recommended distance between rows and hills for rice transplanting is —
Number of weed control operations needed in rice field is at least —
Which insect's larva bores the leaves of rice and makes them white?
Infested tillers of rice that look like onion leaves indicate attack of —
"Hopper burn" symptom on rice plants is caused by —
Which insecticide is recommended against brown plant hopper of rice?
Which insecticide is used against rice ear cutting caterpillar?
Blast disease of rice is caused by —
Tungro disease of rice is dispersed by —
Per hectare yield of HYV rice is —
Per decimal yield (40 square meters) of HYV rice is —
Rice is considered ripened for harvest when brown rice of upper panicle becomes —
Which insect attacks the rice grain at the milk stage?
Consider the following statements about HYV rice:
The most suitable soil for jute cultivation is —
How many deshi jute varieties have been released by BJRI?
How many tosha jute varieties have been released by BJRI?
Which of the following is a tosha jute variety?
CC-45 (Joe jute) is a variety of —
Jute seeds can be sown depending on variety from —
Recommended dose for jute seed treatment is —
When sown in rows, distance between jute rows should be —
The young larvae of jute hairy caterpillar remain in groups on the dorsal leaf surface up to —
Mole cricket damages jute plants by —
Which birds eat jute semilooper?
Which mite makes jute leaves rolled and coppery in color?
Which of the following is NOT a disease of jute?
Black band disease symptom on jute is —
Deshi jute is cut in the month of —
Tosha jute is cut in the month of —
Weight of each jute bundle after cutting is about —
How much water should remain above and below the jute raft?
How much urea is broadcasted per 100 bundles of jute plants to accelerate retting?
Jute retting is completed within how many days in warm weather?
Jute is called the —
About how many thousand hectares of land in Bangladesh are suitable only for jute (no other crop)?
The most suitable soil for mustard cultivation is —
Which of the following is a released mustard variety?
Sowing time for BARI sarisha-14, 15, 16 is —
Required mustard seed rate (Tori-7, Kalyania etc.) per decimal is —
Mustard seeds germinate within —
Main injurious insect of mustard is —
Most important disease of mustard is —
To control aphid in mustard, how much Malathion-57 EC is mixed per litre water?
Mustard is harvested when —
Average yield of mustard in Bangladesh per decimal is —
Mustard seed contains oil approximately —
After oil extraction, mustard oil cake contains protein and nitrogen approximately —
Mustard is also called the —
Black gram ranks which position among pulse crops in Bangladesh?
About what percent of total pulse production comes from black gram?
Which is a HYV variety of black gram?
Black gram seeds can be sown from —
Seed rate of black gram for seed purpose by broadcasting is —
If bio-fertilizer is applied to black gram —
Per kg seed of black gram requires bio-fertilizer —
Leaf spot disease of black gram is caused by the fungus —
Powdery mildew of black gram is caused by the fungus —
Yellow mosaic virus of black gram is transmitted (vectored) by —
Stored black gram seed should be dried to moisture content below —
Yield of black gram is approximately —
About how many varieties of vegetables are cultivated in Bangladesh?
Based on growing seasons, vegetables are divided into —
Which of the following is a whole-year vegetable?
Which of the following is a winter vegetable?
Spinach is generally cultivated in —
Seed rate of spinach per decimal is —
Time of seed sowing for spinach is —
Spinach seeds germinate after —
Per decimal yield of spinach is —
Indian spinach is generally planted in the month of —
Spacing for Indian spinach is —
Most harmful insect of Indian spinach is —
Which is an insect-resistant variety of brinjal?
Spacing for brinjal seedling transplanting is —
Main pest of brinjal is —
Per decimal yield of brinjal is generally —
Brinjal plants flower at —
Sweet gourd is rich in vitamin —
Sweet gourd is divided into how many groups?
Pit size for sweet gourd cultivation is —
Per decimal yield of sweet gourd is —
Ash gourd is locally known as —
Time of sowing ash gourd is —
Time of sowing bottle gourd is —
Per hectare yield of BARI bottle gourd-1 and 2 is —
Which is a popular variety of bean?
Suitable sowing time of bean is —
Bean does not need nitrogenous fertilizer mainly because —
Pit size for bean cultivation is —
Seed yield of BARI bean-1 is —
Bean fruits can be picked after sowing at —
Rose is called the —
Rose can be propagated by —
Size of pit for rose seedling planting is —
Pits for rose should be kept open before transplanting for —
Suitable time for planting rose seedlings is —
Why are side flower buds of rose cut keeping the middle one?
Red scale insect of rose can be controlled by applying —
Black spot disease of rose is a —
Die-back of rose infests the —
Powdery mildew of rose is spread during —
Jasmine flowers bloom from —
Jasmine plant should be pruned at —
Older jasmine plants are cut and replanted after —
Banana is cultivated in Bangladesh in about —
Which BARI banana variety is used as green banana?
Banana seedlings are called —
Which sucker is most suitable for banana cultivation?
Banana pit size is —
Panama disease of banana is a —
Bunchy top disease of banana is —
Per hectare yield of banana is —
Pineapple is cultivated in Bangladesh on about —
Which is NOT a variety of pineapple grown in Bangladesh?
The most suitable seedlings for pineapple cultivation are —
Per hectare yield of Giant kew pineapple is —
Shing and magur belong to which order?
Why are shing and magur called geol fish?
Breeding season of shing and magur fish is —
Recommended pond depth for shing and magur culture is —
Fries stocking rate per decimal for magur is —
Fries stocking rate per decimal for shing is —
Height of net fence around shing/magur pond should be —
Ulcer disease of fish is caused by the fungus —
To treat ulcer, lime and salt are applied per decimal at —
Tail and fin rot disease is caused by —
Shing fish can be marketed after rearing for —
Body weight of pabda fish at 7-8 months of age is —
Per decimal fry stocking rate of pabda and gulsha is —
Fish supplies about what percent of protein in Bangladeshi daily food?
About what percent of total export income comes from fisheries sector?
About how many people of Bangladesh maintain livelihood from fisheries?
Integrated cultivation means —
Consider the following statements about integrated culture:
For cultivating vegetables on pond bank, the bank should be at least —
Recommended slope of pond bank for vegetable cultivation is —
In rice-fish-shrimp culture, ail of land should be made higher than natural flooding water level by —
In rice-fish culture, percentage of land used for ditch and canal is —
Which fish CANNOT be released in rice-fish culture?
Fish and shrimp fries stocking rate per decimal in rice-fish-shrimp culture is —
Average rice yield in rice-fish culture method increases by —
Cattle housing will be in single row if cattle number is less than —
Which is NOT an improved breed of cow?
Cow's feed is classified into —
By Thumb-rule, daily concentrate for body maintenance of a cow is —
For per litre milk production, additional concentrate is —
Daily common salt requirement for a cow is —
A cattle in its early stage (generally up to one year) is called —
Average birth weight of native breed calf is —
Space requirement for a big-sized calf housing is —
In early stage, milk is fed to calf at temperature —
Pure milk is fed to calf by mixing with water at the ratio —
Sheep gives birth how many times in 15 months?
Which is a fine wool breed of sheep?
Daily green grass requirement of an aged sheep is —
Which is NOT a duck rearing method?
Each duck requires floor space in semi-intensive method approximately —
Floor space required per duckling in battery/cage system is —
Ducks are mostly infected by —
Which house is suitable for sheep where rainfall is excessive?
More than what percent of total mango production comes from greater Rajshahi?
Bangladesh ranks which position in world mango production?
The inner edible portion of coconut is called —
Bamboo is a —
Which bamboo is specially suitable for paper industries?
Which is a byproduct of paper made from bamboo?
Bamboo industries can be divided into how many classes?
Which bamboo is used as medicine for diphtheria, urinary diseases, gall etc.?
In hilly areas, wells prepared by bamboos are called —
Cane is produced naturally mostly in —
Cane belongs to the family of —
Cane is treated for furniture by dipping in solution of boric acid and water for —
Cane-made light construction industries use which canes?
Cane industries are divided into —
Plants used in controlling diseases are known as —
The usable part of Thankuni is —
Thankuni is mainly used for —
Tulshi leaf juice mixed with zinger juice and honey is fed to children to cure —
The usable part of Kalomegh is —
Kalomegh juice is used as medicine for —
Basok is mainly used in curing —
Juice of root and leaf of Sarpagandha is used in —
The bark of Arjun tree is used to cure —
Which three fruits constitute "trifala"?
Amla fruits are rich in —
The usable part of Bahera is —
Concentrated juice of Aloe vera leaves is mainly effective for —
Extract of stem and leaf of Telakucha is extensively used in the treatment of —
Which insect attacks the rice grain at the beginning of its development?
The characteristics of Gazi rice are —
What are the symptoms of jute stem rot disease?
Safi Mia is a jute farmer who cultivates CC-45 and Chin Sura Green jute, harvesting CC-45 in Ashadh and Chin Sura Green in Bhadra. The reason Safi Mia harvests jute from two plots at different times is —
Safi Mia obtains 1500 sheaves from each plot of jute. How many kg of urea does he need to decompose (accelerate retting of) jute from one plot?
Why is urea fertilizer not required in bean cultivation?
What is the main purpose of pruning rose?
Why should grass carp NOT be used in fish farming in paddy fields?
Which organization develops jute varieties in Bangladesh?
Why are more jute seeds sown than usual amount in jute hairy caterpillar / mole cricket infested land?
Ayesha Begum applied additional urea in spinach cultivation. The main reason is —
Which integrated farming method is generally better for increasing family income and nutrition?