CET-BIOLOGY-JNK-2008 - Practice Questions

Question 1

In sharks, one of the following is absent :

Accepted Answer

Question 2

Which hormone level reaches peak during luteal phase of menstrual cycle ?

Accepted Answer

Question 3

In the association between two organisms, if one organism is benefited and the other is not benefited, this relationship is known as :

Accepted Answer

Question 4

Identify the plant belonging to the Reed-Swamp stage in hydrarch succession :

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Question 5

Cocaine is extracted from :

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Question 6

The enzyme that cuts DNA is :

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Question 7

In a dihybrid cross between RRYY and rryy parents, the number of RrYy genotypes in F2 generation will be :

Accepted Answer

Question 8

Bicarpellary, syncarpous ovary with axile placentation is seen in :

Accepted Answer

Question 9

An example of free living nitrogen fixing aerobic bacteria is :

Accepted Answer

Question 10

In echolocation, the animal that produces high frequency sounds is :

Accepted Answer