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Which crop was primarily targeted during the Green Revolution in India?

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Important Questions on Biotechnology and its Applications

EASY
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
Which one of the following represents a palindromic sequence in DNA?
EASY
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
Nematode specific genes were introduced into the tobacco host plant using a vector
MEDIUM
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
The microbes commonly used in kitchens are
EASY
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
Your advice is sought to improve the nitrogen content of the soil to be used for the cultivation of a non-leguminous terrestrial crop. Recommend two microbes that can enrich the soil with nitrogen.
EASY
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in a boll worm?
EASY
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
Which of the following helps in absorption of phosphorus from soil by plants?
MEDIUM
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
Match the following organisms with the products they produce:
  Column - I   Column – II
(a) Clostridium butylicum (i) Lactic acid
(b) Saccharomyces cerevisiae (ii) Butyric acid
(c) Aspergillus niger (iii) Citric acid
(d) Acetobacter aceti (iv) Alcohol
    (v) Acetic acid
EASY
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
Name two bacteria which are used as biofertilizer.
HARD
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
A corn farmer has perennial problem of corn-borer infestation in his crop. Being environmentally conscious he does not want to spray insecticides. Suggest solution based on your knowledge of biotechnology. Write the steps carried out to achieve it.
EASY
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
How has the use of Agrobacterium as vectors helped in controlling Meloidogyne incognita infestation in tobacco plants? Explain in the correct sequence.
MEDIUM
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture

Your advice is sought to improve the nitrogen content of the soil to be used for the cultivation of a non-leguminous terrestrial crop.

Why do leguminous crops not required such enrichment of the soil?

EASY
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
Which part of the tobacco plant is infected by Meloidogyne incognita?
EASY
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
How do Blue-green algae or Cyanobacteria work as biofertilizers? Explain.
MEDIUM
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
Explain the changes that milk undergoes when suitable starter/inoculum is added to it. How does the end product formed prove to be beneficial for human health?
HARD
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
Select two disease resistant crop varieties from the list of crop varieties given below:
EASY
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
Which of the following is true for Golden rice?
EASY
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
A segment of DNA molecule comprises of 546 nucleotides. How many cytosine nucleotides would be present in it if the number of adenine nucleotides is 96 ?
MEDIUM
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
Direction In each of the following questions, a statement of Assertion (A) is given followed by corresponding statement of Reason (R). Of the statements, mark the correct answer as
Assertion (A): Maintenance of sterile environment is essential for manufacture of biotechnological products.
Reason (R): This is to enable growth of only desired products.
MEDIUM
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
Why is Agrobacterium-mediated genetic transformation described as natural genetic engineering in plants?
EASY
Biology>Biotechnology>Biotechnology and its Applications>Biotechnology in Agriculture
Match the following columns.
Column I Column II
A
Arber, Nathan and
Hamilton Smith		 1 Term biotechnology
B Paul Berg 2 First recombinant DNA
C Herbert Boyer and 3 Father of genetic engineering
D Karl Erkey 4
Isolated first restriction
endonuclease from bacteria