List of top Biology Questions

Which of the following are the techniques for detection of cancer of internal organs?
a) Radiography, MRI
b) MRI, computed tomography
c) Widal test, radiography
d) MRI, widal test
Read the following statements: Statements - I : MTP is to get rid off wanted pregnancies due to causal unprotected intercourse or failure of contraceptives used during coitus or rapes
Statements - II: MTPs are performed legally by qualified doctors by giving proper medical justification Choose the correct answer from the options given below:
Malignant malaria is caused by
Read the following statements and select the correct option. Statement-I: Biocontrol refers to the use of biological methods for controlling plant diseases and pests. Statement-II: Trichoderma species are effective biocontrol agents for several plant pathogens.

Identify the types of aestivation in corolla labelled as 'a', 'b', 'c' and 'd'

The TCA cycle starts with the condensation of acetyl group with

Identify which one of the given pair of options is correct with respect to Down's syndrome and Turner's syndrome

When a change in the gene frequency of population occurs by chance, it is called

Match Column-I with Column-II and choose the correct option given below:

The respiratory mechanism controlled by medulla oblongata can be altered by
In which of the following, HIV replicates and produces its progeny viruses?
Choose the correct sequence of sperm transport during ejaculation
How may types of gametes will be formed by a parent with genotype ‘AaBbCc’?
If 8 individuals in a laboratory population of 80 fruit flies died during a specified time interval, the death rate in the population during that period is
In mature insulin, which of the peptide is not present?

Match the stages of prophase I given in Column-I with their features in Column-II and choose the correct options from the choices given below:


 

Match the column-I with column-II. Choose the correct option given below.


 

A colourblind man marries a carrier woman. The percentage of their colourblind progeny in the next generation will be ____

The graph showing the concept of activation energy of enzyme is given below. Observe the graph and choose the correct option for M and N.


 

RNA polymerase II is responsible for the transcription of ____

Match the contents of List-I with List-II

 

Which among the three layers of blood vessel wall-Tunica intima, Tunica media and Tunica Externa is comparatively thin in the veins?
During a field trip a student observed a marine organism with worm-like body. The cylindrical body was divisible into proboscis, collar and a long trunk. The organism may be ____ .
Species diversity ____ as we move away from the ____ towards ____.
A scientist wants to produce virus-free plant in tissue culture. Which part of the plant will he use as an explant? a) mature stem b) axillary meristem c) apical meristem d) mesophyll cell Choose the correct option from the following.