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Collateral hosts are those that pathogens primarily attack but are not obligatory for completing their life cycles. They are part of the host range and aid in pathogen survival. In contrast, alternate hosts are crucial for completing the life cycle, while wild hosts and infected seeds serve as sources of primary inoculum.
The SI unit of surface tension is:
During electrolysis the reaction at anode is?
A gas is compressed at constant temperature. Which of the following will decrease?
Two identical metallic spheres are charged. One has +Q charge, the other –Q charge. They are connected by a conducting wire. After equilibrium:
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Which of the following is a characteristic of the acids?
When a metal reacts with dilute hydrochloric acid, it produces:
Which of the following processes is responsible for the rusting of iron?
A plane electromagnetic wave travels in vacuum along the z-direction. If the frequency of the wave is 20 MHz, what is its wavelength?
Which of the following is a conductor of electricity?
What are the elements which are liquids at room temperature and standard pressure?
1. Helium
2. Mercury
3. Chlorine
4. Bro...