Thursday 24 April 2014

MCQs based on current topics in news - Hemihelix, El Nino etc...

Q 1. Which of the following are CORRECT:
1. hemihelix is a half helix
2. hemihelix is a helix that changes its direction midway
3. perversion is the region along which hemihelix changes its direction
4. perversion is the region at which helix is divided
5. DNA molecules have a double helix structure

a. 1,4
b. 2,3
c. 1,4,5
d 2,3,5

Q2. all the food that we take is converted into which of the following and later absorbed by the intestine

1. simple aminoacids
2. glucose
3. fatty acids

a. 2
b. 1,2
c. 1,2,3
d. 2,3

Q3. Which of the following are correct:

1. Saturn is the only planet with rings
2. Saturn has seven rings
3. rings are made mostly of pure water ice and some lumps of rocks that scientists call tholins and silicates
4. Encke Gap is a 325-kilometre-wide gap within the A Ring

a. 2,3,4
b. 1,2,3,4
c. 2,3
d. 2,4

Q4. What does ENSO stands for

    a.   El Niño Surface Oscillation
    b.   El Niño Southern Oscillation
    c.   El Niño Southern Ocean
    d.   El Niño Surfing Organization

Q5. What does El Niño involve? 
    a.   warmer water moves eastward along the equator
    b.   A slackening in the trade winds
    c.   colder water moves eastward along the equator
    d.   both a and b

Q6 What is the SOI index based on? 
    a.   Index based on the pressure difference between Darwin and Tahiti
    b.   Index based on the Sea surface temperature between Darwin and Tahiti
    c.   Index based on Simple Optimal Interpolation
    d.   Index based on the amount of convection at the dateline at the equator

Q7 By what three ways can we tell that there may be an El Niño? 
    a.   Sea surface warms in the eastern equatorial Pacific, Trade winds strengthen, SOI index is negative
    b.   Sea surface cools in the eastern equatorial Pacific, Trade winds strengthen, SOI index is negative
    c.   Sea surface warms in the eastern equatorial Pacific, Trade winds weaken, SOI index is negative
    d.   Sea surface warms in the eastern equatorial Pacific, Trade winds weaken, SOI index is positive

Q8 What are some differences between El Niño and La Niña? 
    a.   In La Niña, the trade winds strengthen, and in El Niño they slacken or reverse
    b.   Sea level rises at Easter Island during an El Niño
    c.   The warm pool is shifted to the west during La Niña
    d.   Upwelling can be "shut down" during a La Niña
    e.   a,b,c

Q9 What relationship is there between El Niño and North Atlantic hurricanes? La Niña and North Atlantic hurricanes? 
    a.   El Niño and La Niña are twins. Darth Hurricane is their father.
    b.   They are both exclusively weather phenomena
    c.   Less hurricanes during a La Niña, and more during an El Niño
    d.   More hurricanes during a La Niña, and less during an El Niño

Q10 Which of the following are correct 

1. Vulture Restaurants is a new concept that aims to augment the population of the scavenging birds
2. Vulture Restaurants are the new food outlets creating awareness about vultures
3. Diclofenac has been responsible for the reducing population of vultures
4. Meloxicam is being suggested as an alternative to Diclofenac

a. 3,4
b. 1,3,4
c. 1,2
d. All

Answers:
1 - d
2 - c
3. a (Saturn is not the only planet with rings - Jupiter, Neptune and Uranus have them too)
4. b
5. d
6. a
7. c
8. e
9. d
10. b

Some infographics:



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