Recombinant DNA Technology (Genetic Engineering) allows genes to be transferred. Select the correct answer using the codes given below:
1. across different species of plants.
2. from animals to plants.
3. from microorganisms to higher organisms.
1. across different species of plants.
2. from animals to plants.
3. from microorganisms to higher organisms.
Important Questions on Biology
Consider the following organisms:
1. Agaricus
2. Nostoc
3. Spirogyra
Which of the above is/are used as biofertiliser/ biofertilisers?
Which of the following statements is/are correct? Select the correct answer using the codes given below:
1. Viruses lack enzymes necessary for the generation of energy.
2. Viruses can be cultured in any synthetic medium.
3. Viruses are transmitted from one organism to another by biological vectors only.
Which of the following diseases can be transmitted from one person to another through tattooing? Select the correct answer using the codes given below:
1. Chikungunya
2. Hepatitis-B
3. HIV-AIDS
Consider the following animals:
1. Sea cow
2. Sea horse
3. Sea lion
Which of the above is/are mammal/mammals?
Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to:
1. resist drought and increase absorptive area.
2. tolerate extremes of pH.
3. resist disease infestation.
Select the correct answer using the codes given below:
1. Vegetative propagation produces clonal population.
2. Vegetative propagation helps in eliminating the virus.
3. Vegetative propagation can be practiced most of the year.
Select the correct answer using the codes given below:
1. Budding and grafting in fruit plants.
2. Cytoplasmic male sterility.
3. Gene silencing.
Which of the above is/are used to create transgenic crops?
