General Science Questions

Q:

Lichens are the best indicator of

A) Air pollution B) Sound pollution
C) Noise pollution D) Water pollution
 
Answer & Explanation Answer: A) Air pollution

Explanation:

1. Lichens are plants that grow in exposed places such as rocks or tree bark.

 

2.  Lichens are widely used as environmental indicators or bio-indicators. They can be used as air pollution indicators, especially of the concentration of sulfur-di-oxide in the atmosphere.  

 

3. They need to be very good at absorbing water and nutrients to grow there.

Report Error

View Answer Report Error Discuss

30 10449
Q:

Iodine test is used to detect

A) Carbohydrate B) Fat
C) Protein D) Cholesterol
 
Answer & Explanation Answer: A) Carbohydrate

Explanation:

The iodine test is used to test for the presence of starch i.e, Carbohydrate.

Report Error

View Answer Report Error Discuss

Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

30 11462
Q:

Select the four statements about Plasmodium that are true.

 

A)  Inside an infected mosquito, haploid gametes fuse, forming a diploid zygote that develops into an oocyst

B) Plasmodium cells infect two specific types of cells in humans.

C) Inside an infected mosquito, haploid gametes fuse, forming a haploid zygote that develops into an oocyst.

D) When a mosquito bites a human with malaria, diploid Plasmodium cells enter the mosquito.

E) Plasmodium cells are transferred to humans through mosquito saliva.

F) The life cycle of Plasmodium involves only haploid forms.

G) The complete life cycle of Plasmodium requires two hosts.

A) A, B, E, G B) A, C, F, G
C) B, C, D, F D) None of the above
 
Answer & Explanation Answer: A) A, B, E, G

Explanation:

Plasmodium is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects. 

From the above given options, A, B, E, G are TRUE regarding Plasmodium.

Report Error

View Answer Report Error Discuss

Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

28 38273
Q:

Of the following, which element is common to all acids

A) hydrogen B) carbon
C) sulphur D) oxygen
 
Answer & Explanation Answer: A) hydrogen

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: General Science

28 5414
Q:

Tides are primarily a result of the  ____ ?

A) Attraction of the Moon B) Farrel's law
C) Ocean Currents D) Earth's pressure system
 
Answer & Explanation Answer: A) Attraction of the Moon

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

25 4881
Q:

In a laser (say neon laser) all the atoms emit the light waves of 

A) Same frequency B) Same amplitude
C) Same phase D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: General Science

25 9703
Q:

One fathom is equal to how many meters ? 

A) 1.7699 B) 2.0210
C) 1.8288 D) 2.1212
 
Answer & Explanation Answer: C) 1.8288

Explanation:

One fathom = 1.8288 meters = 6 feet

A fathom is a unit of length used especially for measuring the depth of water.

Report Error

View Answer Report Error Discuss

Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

24 5631
Q:

The power of a lens is measured in:

A) diopters B) aeon
C) lumen D) candela
 
Answer & Explanation Answer: A) diopters

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: General Science

23 5628