General Science - Online Test
Q1. The correct name of the polymer below is:
Answer : Option B
Explaination / Solution:
This is Bakelite.
Q2. Double fertilisation is fusion of
Answer : Option D
Explaination / Solution:
Double fertilisation is the fusion of Syngamy and triple fission. One male gamete fertilizes the egg and other male gamete fuse with two polar nuclei called triple fission.
Q3. Three vessels of equal capacity have gases at the same temperature and pressure. The first vessel contains neon (monatomic), the second contains chlorine (diatomic), and the third contains uranium hexafluoride (polyatomic). The number of molecules
Answer : Option B
Explaination / Solution:
Avogadro's law states that, "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules".
Q4. Phytophagous insects will be categorized as
Answer : Option B
Explaination / Solution:
The insect that feeds on plant sap and other parts of plants are called phytophagous. Phytophagous insects will be similar to predators and plants acts as prey.
Q5. Identify the part of nodule marked X
Answer : Option B
Explaination / Solution:
The figure shown above is the nodule formation in leguminous roots. The part marked as ‘x’ shown is figure is infection thread through which Rhizobium enters the root.
Q6. Which of the following is not secreted from its source in the form of a Zymogen :
Answer : Option D
Explaination / Solution:
Zymogen is an inactive enzyme precursor that require biochemical change to become active. Amylase enzyme is not released from its source in the form of proenzyme or zymogen.
Q7. The positive economic analysis deals with the variables
Answer : Option B
Explaination / Solution:
Positive economics is the branch of economics that concerns the description and explanation of economic phenomena. It focuses on facts and cause-and-effect behavioral relationships and includes the development and testing of economics theories.
Q8. A far-sighted man who has lost his spectacles reads a book by looking through a small hole in the sheet of paper. Then
Answer : Option B
Explaination / Solution:
No Explaination.
Q9. Choose the wrong statement regarding AIDS
Answer : Option D
Explaination / Solution:
AIDS is caused by human immune virus (HIV). HIV infects and kills B-lymphocytes. In this disease viral RNA genome is converted into DNA copy by reverse transcriptase.
Q10. Ozone layer is being depleted by;
Answer : Option D
Explaination / Solution:
No Explaination.
