General Science - Online Test
Q1. In general the term diffraction is used
Answer : Option B
Explaination / Solution:
No Explaination.
Q2. In which crops is the method of mass selection applied
Answer : Option B
Explaination / Solution:
In cross pollinated plants, the newly developed plants have variation and some plant have new traits. Mass selection method is used to select better variety of plants from large number of variant.
Q3. For paramagnetic materials
Answer : Option B
Explaination / Solution:
No Explaination.
Q4. Which of the following is a gene sanctuary
Answer : Option A
Explaination / Solution:
A gene sanctuary is an area where plants are conserved. It includes both biosphere reserves as well as national parks.
India has set up its first gene sanctuary in the Tura range of Meghalaya for wild relatives of citrus. Efforts are also being made to set up gene sanctuaries for banana, sugarcane, rice and mango.
Q5. Which is not true about a ligand?
Answer : Option B
Explaination / Solution:
Multidentate ligand always act as chelating Ligand
Q6. For a circularly orbiting satellite the potential energy
Answer : Option A
Explaination / Solution:
In case of circularly orbiting satellite,
Comparing both, we can say that the potential energy is negative and has a magnitude twice that of the positive kinetic energy.
Q7. A chemical acts slowly, requiring hours to take effect. It may pass in and out of many cells in which they have no effect. When they find appropriate receptor in their target cell they bind to it. Chemical is :
Answer : Option B
Explaination / Solution:
Aldosterone hormone is a chemical that acts slowly, require hours to take effect. It may pass in and out of many cells in which they have no effect. When they find appropriate receptor in their target cell they bind to it to bring about changes.
Q8. A secondary cell after use ________ recharged by passing current through it in the ________ so that it can/can’t be used again.
Answer : Option B
Explaination / Solution:
Secondary cell can be recharged and reused.
Q9. Which of these is a fresh water sponge?
Answer : Option C
Explaination / Solution:
Spongilla is a genus of freshwater sponges in the family Spongillidae found in lakes and slow streams. Sponges of the genus Spongilla attach themselves to rocks and logs and filter the water for various small aquatic organisms such as protozoans, bacteria, and other free-floating pond life. Unlike marine sponges, freshwater sponges are exposed to far more adverse and variable environmental conditions, so they have developed gemmules as a means of dormancy.
Q10. When a firm’s TR>TC, it can earn maximum profits
Answer : Option D
Explaination / Solution:
No Explaination.
