RNA interference helps in__________?
A. Cell proliferation
B. Micropropagation
C. Cell defence
D. Cell differentiation
biology mcqs with answers
The first transgenic plant to be produced is__________?
A. Brinjal
B. Tobacco
C. Rice
D. Cotton
Which of the following is the quality of improved transgenic basmati rice?
A. Gives high yield but no characteristic aroma
B. Gives high yield and is rich in vitamin A
C. Does not require chemical fertilizers and growth hormones
D. Resistant to insects and diseases
The DNA fragments have sticky ends due to___________?
A. Endonuclease
B. Unpaired bases
C. Calcium ions
D. Free methylation
ELISA is _________?
A. Using radiolabelled second antibody
B. Usage of RBCs
C. Using complement-mediated cell lysis
D. Addition of substrate that is converted into a coloured end product
Bacteria protect themselves from viruses by fragmenting viral DNA with ____________?
A. Ligase
B. Endonuclease
C. Exonuclease
D. Gyrase
The expression of a transgene in the target tissue is identified by a ___________?
A. Transgene
B. Promoter
C. Enhancer
D. Reporter
The energy currency of the cell is called ___________?
A. ATP
B. DNA
C. RNA
D. ADP
During anaerobic respiration the final electron acceptor in electron transport chain is:
A. Molecular oxygen
B. NADP+
C. water
D. Sulfate
In fermentation …………. ATP produce per glucose molecule :
A. 2
B. 4
C. 6
D. 36
