Welcome to your Biology – Prelims PYP Part 2 – 2014, 2013
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 plants2. across plants to animals3. from microorganisms to higher microorganismsWhich statement is correct?
1. Agaricus2. Nostoc3. SpirogyraWhich of the above is/are used as biofertilizer/biofertilizers?
1. Virus2. Fungi3. BacteriaSelect the correct answer using the codes given below:
1. Viruses lacks enzymes necessary for generation of energy2. Viruses can be cultured in any synthetic medium3. Viruses are transmitted from one organism to another by biological vectors onlySelect the correct answer
1. Calcium2. Iron3. SodiumWhich of the minerals given above is/are required by human body for the contraction of muscles?
1. Hard and waxy leaves2. Tiny or no leaves3. Thorns instead of leavesWhich is correct?
Time’s up