General Science - Online Test

Q1. Catalyst used in hydrogenation of vegetable oil is
Answer : Option A
Explaination / Solution:

Vegetable oil is unsaturated fats which are hydrogenated used Ni as catalyst.

Q2. People’s Republic of China was established in
Answer : Option D
Explaination / Solution:

Mao declared the founding of the People's Republic of China on October 1, 1949.

Q3. Thermodynamics is the branch of physics that deals with.
Answer : Option B
Explaination / Solution:

Thermodynamics is a branch of physics concerned with heat and temperature and their relation to energy and work. It deals with the relations between heat and other forms of energy (such as mechanical, electrical, or chemical energy), and, by extension, of the relationships between all forms of energy.

Q4. If 109 electrons move out of a body to another body every second, how much time is approximately required to get a total charge of 1 C on the other body?
Answer : Option A
Explaination / Solution:

We know that 1 Coulomb = 6.242×1018 eletrons

given 109 electrons take 1 secs

=> 109 electrons ------> 1 sec

=> 1 electrons ---------> 1109 secs

=> 6.242×1018 ------> 6.242×1018109

= 6.242×109 secs =6.242×10960×60×24×365  years

=197.93 years= 200 years approx


Q5. Elasticity is the property of a body, by virtue of which
Answer : Option C
Explaination / Solution:

When external force is applied on the solid bodies, the solid bodies get deformed. The atoms or molecules are displaced from their equilibrium positions causing a change in the interatomic ( or intermolicular ) distances. When the deforming foce is removed, the interatomic forces tend to drive them back to their original postions. Thus the body regains its original shape and size.

Q6. Protein encoding gene expressed in heterologous host is called as
Answer : Option C
Explaination / Solution:

Recombinant Protein is a protein encoded by a gene — recombinant DNA — that has been cloned in a system that supports expression of the gene and translation of messenger RNA (see expression system). Modification of the gene by recombinant DNA technology can lead to expression of a mutant protein. Protein encoding genes are commonly described as structural or regulatory. Structural gene encodes enzymes and structural protein.

Q7. A renal corpuscle is :
Answer : Option C
Explaination / Solution:

Renal corpuscle, also called malpighian body, filtration unit of vertebrate nephrons, functional units of the kidney. It consists of a knot of capillaries (glomerulus) surrounded by a double-walled capsule (Bowman's capsule) that opens into a tubule.

Q8. The following amine is called as

Answer : Option D
Explaination / Solution:

The above compound is aniline and benzeneamine.

Q9. In the dynamic equilibrium stage, one of the following events take place. Choose the right one.
Answer : Option C
Explaination / Solution:

there is no change in the conc of reactant and product. At dynamic equilibrium, reactants are converted to products and products are converted to reactants at an equal and constant rate. Reactions do not necessarily—and most often do not—end up with equal concentrations. Equilibrium is the state of equal, opposite rates, not equal concentrations.

Q10. Which theory explains the origin of universe
Answer : Option A
Explaination / Solution:

Origin of universe is explained by big bang theory. According to this theory, whole universe was concentrated into single sphere. Due to same unknown reason, there was explosion in it that forms different galaxies still moving away from each other.