Related Questions

Gaseous exchange takes place in leaves through tiny pores for the purpose of photosynthesis. What are these pores?
A Chloroplast
B Stomata
C Chlorophyl
D Vacuole
A land is known as waterlogged
A when the permanent wilting point is reached
B when gravity drainage has ceased
C capillary fringe reaches the root zone of plants
D none of the above
Which of the following forest is grown in waterlogged areas?
A Evergreen Forest
B Deciduous Forest
C Tropical thorn Forest
D Mangrove
A farmer's land is in the shape of a trapezium which has its parallel sides measuring 2.56 yards and 3.44 yards and the distance between the parallelsides in 1.44 yards. The cost of ploughing the land is Rs 1800 per square yard. What amount will (in Rs) have to be spent in order to plough the entire land?
A 3672
B 6732
C 7776
D 8214
A company owns some land and buildings for which the following details are relevant : Cost of land Taka 50,000; cost of building Taka 100,000, estimated life of building 20 years, estimated residual value of building Taka 2000; estimated residual value of land Taka 50,000. The company uses the straight line depreciation method. Which is the correct annual depreciation charge for this asset?
A Taka 4000
B Taka 4900
C Taka 7400
D Taka 7500
If the natural water content of soil mass lies between its liquid limit and plastic limit, the soil mass is said to be in
A liquid state
B plastic state
C semi-solid state
D solid state
A survey was conducted among the students of Khulna University to find out how many forms of physical exercise usually swam, 25% said they usually did jogging, 20% said they played cricket, 15% said they usually played football and 20 respondents said they did not take any form of exercise. From the above findings it can be concluded that.
A The student of khulna University do not usually take physical exercise.
B No respondent took more than one form of exercise.
C The method of data collection was not valid.
D Some of the respondents took more than one form of exercise.
The numerous minute pores in the epidermis of a leaf are called
A Stomata
B Lenticels
C Hydathodes
D Perforation
The operation in which oil is permeated into the pores of a powder metallurgy product is known as
A Mixing
B Sintering
C Impregnation
D Infiltration
In which type of topography, water recharge pores are found?
A Karst
B Terrain
C Desert
D Tundra

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