Answer : Option BExplaination / Solution:
A resource is a source or supply from which benefit is produced. An item becomes a resource with time and developing technology.Typically resources are materials, energy, services, staff, knowledge, or other assets that are transformed to produce benefit and in the process may be consumed or made unavailable.
Answer : Option DExplaination / Solution:
Cathode rays - In 1897, British physicist J. J. Thomson showed the rays were composed of a previously unknown negatively charged particle, which was later named the electron.
Answer : Option CExplaination / Solution:
The organisms that can change their body temperature according to environment are called poiklotherm or cold blooded animals. Tapeworm and naked mole rat are examples of cold blooded animals.
Q4.Which is an important constituent of protein involved in transfer of electrons?
Answer : Option DExplaination / Solution: Plants obtain iron in the form of ferric ions (Fe3+). It is required in larger amounts in comparison to other micronutrients. It is an important constituent of proteins involved in the transfer of electrons like ferredoxin.
Answer : Option DExplaination / Solution:
Maltose in presence of maltase produce two molecules of glucose. Lactose in presence of lactase produce glucose and galactose. Sucrose in presence of sucrose produce glucose and fructose.
Answer : Option CExplaination / Solution:
Plasmodium completes their life cycle in two hosts, female anopheles and human beings. The motile zygote of plasmodium occurs in gut of female anopheles, which get transferred to human being during mosquito bite.
Q9.In the prosencephalon, first and second ventricles open into third ventricle by :
Answer : Option DExplaination / Solution:
In prosencephlon, the first and second ventricles open into third ventricles by foramen of Monro. It is the opening that connects the left and right sides of lateral ventricle in brain.
Answer : Option BExplaination / Solution:
Heat is the amount of energy flowing from one body of matter to another spontaneously due to their temperature difference.
Total Question/Mark :
Scored Mark :
Mark for Correct Answer : 1
Mark for Wrong Answer : -0.5
Mark for Left Answer : 0