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 ?

1. across different species of plants
2. across plants to animals
3. from microorganisms to higher microorganisms
Which statement is correct?

1. Agaricus
2. Nostoc
3. Spirogyra
Which of the above is/are used as biofertilizer/biofertilizers?

1. Virus
2. Fungi
3. Bacteria
Select the correct answer using the codes given below:

1. Viruses lacks enzymes necessary for 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
Select the correct answer

1. Calcium
2. Iron
3. Sodium
Which of the minerals given above is/are required by human body for the contraction of muscles?

1. Hard and waxy leaves
2. Tiny or no leaves
3. Thorns instead of leaves
Which is correct?