Related Questions

বিবর্তন তত্ত্ব মতে নতুন প্রজাতি হতে পারে- i. মূল প্রজাতি থেকে পৃথক হয়ে ii. সংকরায়নের ফলে iii. Polyploidy- র ফলে নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
A person travels I2 km due north, then 15 km due east after that I5km due west and then 18 km due south. How far B she from the starting point?
A 6km
B 10km
C 33km
D 60km
(i) What is global warming? How global warming affects the rapid change of climate? (ii) What are the bad impacts of climate change? (iii) How climate change affects the environment of Bangladesh (iv) How global warming can be minimized (v) What should be the role of students to protect the environment.
A (i) Global warming is the main natural reason and using harmful chemicals in everyday life the main reason created by men. The climate is changing rapidly that result in the rise of the earth's average temperature
B (ii) Climate change impacts include floods, cyclones, storm surges and drought, ice sheets melting which will seriously affect the agriculture and livelihood especially at the poor.
C (iii) Bangladesh is one of the largest deltas in the world which is highly vulnerable to Natural Disasters because of its Geographical location, Fiat and low-lying landscape, Population density, Poverty, Illiteracy, Lack of Institutional setup, etc.
D (iv) To reduce the bad impact of climate change people should be aware of. Tree plantation can reduce global warming which is the main natural reason for climate change. Stop using harmful chemicals can reduce environmental pollution which is the main man
E (v) Students should be careful to protect the environment and raise awareness. Thus the students can play a vital role to reduce bad impact of climate changes.
A. two individuals interact with each other, B. without knowing what the other is doing, C. the simplest strategic problem arises when, D. and each must decide what to do,
A ABCD
B ACDB
C CADB
D BCAD
A. two individuals interact with each other, B. without knowing what the other is doing C. the simplest strategic problem arises when D. and each must decide what to do
A CADB
B ACDB
C BCAD
D ABCD
Anterior 2/3rd of tongue arises from
A Two lingual swelling
B Tuberculum impar
C Hypobranchial eminence
D Developed from 4th arch
E Submandibular duct
Nerves arises from the cervical plexus are
A Phrenic
B Supraclavicular
C Lesser occipital
D Dorsal scapular
E Supra scapular
Secondary hardening in steels arises out of the
A precipitation of fine alloy carbides at high temperature
B refinement of ferrite grain size by working
C decomposition of retained austenite upon heat treatment
D precipitation of complex inter-metallics upon heat treatment
Which arises from mans quest for social satisfaction
A formal organization
B informal organization
C business organisation
D strategic organization
Risk which arises all activities from contingent liabilities and assets is considered as
A off balance sheet risk
B income statement risk
C balance of trade risk
D balance of payment risk

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