List of practice Questions

The rate of decomposition is slower if :
An example of inverted ecological pyramid is :
Which of the following is not an In situ conservation approach?
In the following which plant is also called "Terror of Bengal'?
The puffed-up appearance of dough is due to the production of :
Arrange the following steps of gel electrophoresis in correct sequence :
(A) Staining the DNA with ethidium bromide
(B) Movement of DNA fragments towards anode under an electric field through agarose (C) Exposure to UV radiation
(D) Separation of DNA fragments according to their size
Choose the correct answer from the options given below:
If a scientist wants to recover many copies of the target DNA through recombinant DNA technology, what augmentation need to be done in cloning vector ?
The cell wall of a bacteria can be removed by treated it with enzyme :
The gene encoding resistance to which antibiotic are considered useful selectable marker for E. coli.
(A) ampicillin
(B) tetracycline
(C) kanamycin
(D) penicillin
(E) chloramphenicol
Choose the correct answer from the options given below:
Toxin of Bacillus thurengiensis is activated in insect by :
In RNAi genes are silenced by :
Antibody molecule is made up of four peptide chain called as light and heavy chain are joined together by :
   
Which of the following is a wheat variety having high protein content?
In mung bean, resistance to yellow mosaic virus and powdery mildew were induced by:
Which of the following acts as bio fertilizer in paddy field?
The size of VNTR varies from:
Brain capacities of homo erectus was around:
In Millers experiment ,the closed flask contained:
The symptoms of Elephantiasis :
Which one of the following is NOT the function of Leyding cells ?
Which one of the following is most widely accepted method of contraception in India ?
Which one among the following contraceptive, inhibits ovulation and implantation of female reproductive system ?
The genetic disorder caused due to presence of an additional copy of the chromosome number 21 is:
In a garden pea, the axial flower is dominant to Terminal flower. What will be the percentage of offsprings with terminal flowers, when to heterozygous plants are crossed ?
Classical example of mutation arise due to change in a single base pair of DNA is: