General Science - Online Test
Q1. In grafting, scion forms
Answer : Option C
Explaination / Solution:
In grafting, scion forms the upper shoot system and stock forms the lower root system. Grafting is an artificial mode of vegetative propagation in which two plants are cut and same height and joined together.
Q2.
A thin convergent glass lens ( = 1.5 ) has a power of + 5.0 D. When this lens is immersed in a liquid of refractive index it acts as a divergent lens of focal length 100 cm. The value of must be
Answer : Option D
Explaination / Solution:
No Explaination.
Q3. Consider the elements: Cs, Ne, I and F. Identify the element which exhibits neither the negative nor does the positive oxidation state.
Answer : Option B
Explaination / Solution:
Ne is a noble gas, so does not show any positive or negative oxidation state.
Q4. Which of the following birth control measure can be considered as the safest?
Answer : Option D
Explaination / Solution:
A number of birth control measures are used to prevent unwanted pregnancy. Sterilization technique is considered as the safest way. Condom prevents unwanted pregnancy as well as sexually transmitted disease.
Q5. Does production takes place only on PPC?
Answer : Option B
Explaination / Solution:
When all resources are employed on ideal situation, production can take place on PPC
Q6. In terms of period and group where would you locate the element with
Z=114
in the modern periodic table?
Answer : Option C
Explaination / Solution:
Elements with atomic numbers Z = (87−114) are placed in 7th period.
Thus , the element with
Z=114(Flerovium) is placed in 7th period and 14th group of the modern periodic table.
Q7. Ramesh is suffering from cough and cold. However his taste receptors are working quite well, yet his food do not give him characteristic flavour and is thus less enjoyable because :
Answer : Option D
Explaination / Solution:
During cough and cold, taste buds works properly but olfactory receptors present in nose are badly affected. Due to this foods become less enjoyable as smell play role in tasting food.
Q8. What happens to TR when MR is increasing
Answer : Option A
Explaination / Solution:
No Explaination.
Q9. Carbon dioxide in the oceans can be used by:
Answer : Option C
Explaination / Solution:
Carbon dioxide in the oceans can be used by Phytoplankton which are autotrophic components of plankton community.
Q10. A steel railroad track has a length of 30.000 m when the temperature is 0.0C. What is its length when the temperature is 40.0C? (C)
Answer : Option B
Explaination / Solution:
Total length after expansion = 30 + 0.013 = 30.013m
