Related Questions

A drug that is highly effective in treating many types of infection can,at present,be obtained only from the bark of the ibora , a tree that is quite rare in the wild. It takes the bark of 5000 trees to make one kilogram of the drug. It follows, therefore, that continued production of the drug must inevitably lead to the ibore's extinction. Which of the following,if true, most seriously weakens the arguments above ?
A The drug made from the ibora bark is dispensed to doctors from a central authority
B The drug made from the ibora bark is expensive to produce
C The leaves of the ibora are used in a number of medical products
D The ibora can be propagated from cuttings and grown under cultivation
Deforestation is contirbuting alarmingly_____the extinction of wild lives.
A for
B at
C by
D to
'Wild men' are wild because they are---.
A insane
B daring
C uneducated
D jealous
In the food relationship where the lion eats the wild beast, and the wild beast eats plants
A The lion is the prey and the wilde beast is the predator
B The lion is the predator and the wilde beast is the prey
C The lion is the primary consumer and the wilde beast is the secondary consumer
D The lion is the secondary consumer and the wilde beast is the primary consumer
Which of the following is necessary to maintain the number of individuals of species and to prevent their extinction?
A Digestion
B Circulation
C Respiration
D Reproduction
Which of the following medium is employed for extinction of arc in air circuit breaker ?
A Water
B Oil
C Air
D SF6
The antonym of 'extinction ' is
A destruction
B survival
C stagnation
D elaboration
Unless protected areas are established the Royal Bengal Tigers will face------of extinction.
A possible
B the possibility
C to be possible
D possibly
Unless proteted areas are established the Royal Bengali Tigers will face____ of extinction.
A possible
B the possibility
C to be possible
D possibly
Choose the form correct answer to fill in the blank in 'Unless protector areas are established and ensure, the Bengal Tiger face _______ of extinction'
A possible
B the possibility
C to be possible
D possibly

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