General Science - Online Test
Q1. Which of the following is not an actinoid?
Answer : Option D
Explaination / Solution:
Terbium (Z=65) has an electronic configuration of [Xe] 4f9 6s2. It is a member of 4f-inner transition series which is called lanthanoid series. Rest option are all the members of 5f-inner transition series, also known as the actinoid series i.e. Curium ([Rn] 5f7 6d1 7s2) ; Californium ([Rn] 5f10 7s2); and Uranium ([Rn] 5f3 6d1 7s2).
Q2. What happens to AR when MR is increasing
Answer : Option A
Explaination / Solution:
No Explaination.
Q3. Photochemical smog occurs in warm, dry and sunny climate. One of the following is not amongst the components of photochemical smog, identify it.
Answer : Option D
Explaination / Solution:
is not the component of photochemical smog.
Q4. A student eats a dinner rated at 2000 Calories. He wishes to do an equivalent amount of work in the gymnasium by lifting a 50.0-kg barbell. How many times must he raise the barbell to expend this much energy? Assume that he raises the barbell 2.00 m each time he lifts it and that he regains no energy when he drops the barbell to the floor.
Answer : Option D
Explaination / Solution:
Total no.of times he lift barbell = Total energy / energy in lifting barbell once
Q5. Values of e/m (charge/mass) in the categories alpha particle (α), electron (e) and protons (p) increase in the order:
Answer : Option B
Explaination / Solution:
-particle (He2+) has very high mass compared to proton and electron, therefore very small ratio. Proton and electron have same charge (magnitude) but former is heavier, hence has smaller value of .
Q6. Rank correlation coefficient r = 0.8., ; Find ‘ n’ .
Answer : Option D
Explaination / Solution:
Q7. Which scheme was started in 1993 to create self-employment opportunities for educated unemployed youth in rural areas and small towns?
Answer : Option A
Explaination / Solution:
PMRY is being implemented since 1993. The Scheme is designed to create and provide sustainable self-employment opportunities to one million educated. The Prime Minister Rozgar Yojana (PMRY) was discontinued in 2007-08 and in 2008-09 a new scheme namely Prime Minister’s Employment Generation Programme (PMEGP) has been introduced by merging the two schemes i.e. Prime Minister Rozgar Yojana (PMRY) and Rural Employment Generation Programme (REGP).
Q8. The site for the light reactions is
Answer : Option A
Explaination / Solution:
In plant cells, the chloroplasts are responsible for trapping light energy essential for photosynthesis. The grana, in the plastid, is the site of light reactions.
Q9. The method in which information is collected from third party is known as ______.
Answer : Option D
Explaination / Solution:
Because of unavailabilty of the main informant the information is collected from a third party which is likely to have the required information.
Q10. A decline in the overall quality of soil, water or vegetation condition, commonly caused by human activities is known as
Answer : Option A
Explaination / Solution:
No Explaination.
