General Science - Online Test
Q1. Female hired to develop the in-vitro fertilized egg of another female to maturity is called
Answer : Option A
Explaination / Solution:
Sometimes egg of female and sperm of male are able to produce but fallopian tube is either blocked or uterus is not capable of implantation. In this case, ovum collected from female and sperm collected from male is fertilized and transferred to another female called surrogate mother for further development.
Q2. For DNA finger printing, the DNA is obtained from
Answer : Option B
Explaination / Solution:
DNA fingerprinting is a method used to identify an individual from a sample of DNA by looking at unique patterns in their DNA.
DNA is extracted from a biological sample. STR analysis is incredibly sensitive so it only needs a tiny amount of someone’s DNA to produce an accurate result. As a result the DNA can be extracted from a wider range of biological samples, including blood, saliva and hair and body secretion etc.
Q3. Which one is not correct about the function of placenta?
Answer : Option A
Explaination / Solution:
Placenta is a tubular structure through which foetus and uterus of mother is connected. It help in transport of nutrition, respiratory gases and release HCG hormones.
Q4. Cement, the important building material is a mixture of oxides of several elements. Besides iron and sulphur, oxides of elements of which of the group (s) are present in the mixture?
Answer : Option B
Explaination / Solution:
Main Composition of Portland cement are: lime (CaO) (group 2), silica (SiO 2)(group 14) and alumina (Al 2O 3).(group 13)
Cement is a heavy powder of calcium aluminates and silicates
Q5. “Statistics are like clay by which you can make a god or a devil as you please” Which limitation of statistics is highlighted here
Answer : Option A
Explaination / Solution:
No Explaination.
Q6. Human being belongs to the species of
Answer : Option A
Explaination / Solution:
Human belongs to a species of Homo sapiens, where Homo represents genus and sapiens represent specific epithet under the class Mammalia.
Q7. The specialized procedure to form an embryo in laboratory in which a sperm is directly injected into the ovum is called
Answer : Option A
Explaination / Solution:
Intra cytoplasmic sperm injection is a specialized procedure to form embryo in laboratory in which a sperm is directly injected into ovum for fertilisation to form zygote.
Q8. Best method to determine paternity is
Answer : Option B
Explaination / Solution:
DNA paternity testing is the most accurate form of paternity testing possible. If DNA patterns between the child and the alleged father do not match on two or more DNA probes, then the alleged father can be totally ruled out. If the DNA patterns between mother, child, and the alleged father match on every DNA probe, the likelihood of paternity is 99.9 percent.
Q9. The type of placenta found in human beings is
Answer : Option B
Explaination / Solution:
Foetus is attached to uterine wall by placenta. It is a disc-shaped having a number of finger-like chorionic villi. This kind of placenta is called discoidal placenta.
Q10. Macro economics studies
Answer : Option B
Explaination / Solution:
No Explaination.
