Tag: botany

Questions Related to botany

Salt concentration of the sea measured in parts per thousand isĀ 

  1. 10-5

  2. 30-70

  3. 0-5

  4. 30-35


Correct Option: D
Explanation:

The salt concentration of the sea is 3.5 %, which means it is about 30-35 ppm. So, this means that there are 35 gms of seawater for every 1 liter of water.

So, option D is the correct answer.

Which of the following NGO releases State of Environment Report in India?

  1. Seva Bharati

  2. Development Alternatives

  3. Tirumitra

  4. Integrated Rural Development Organization


Correct Option: B

When ELR is less than ALR, resulting environmental lapse rate is known as

  1. Super Adiabatic

  2. Sub-Adiabatic

  3. ELR

  4. All of above


Correct Option: B

Greatest decline, being observed over America and Argentina, ranges from 5% to

  1. 8%

  2. 10%

  3. 9%

  4. 1%


Correct Option: B

What does help in reaeration from atmosphere?

  1. Turbidity

  2. Sunlight

  3. Oxygen

  4. Carbon dioxide


Correct Option: A

State whether the following statements are true or false.
Generally,a larger human population could be maintained on the same amount of cultivated
land if people ate more plants rather than animals

  1. True

  2. False


Correct Option: B
Explanation:

A larger human population can't be maintained on the same amount of cultivated land because after 2-3 yields of any crop the soil generally loses its fertility. Therefore, other lands have to be cultivated. So the correct option is "False".

Match List I (Vegetation areas) with List II(Area of distribution) and select the correct answer.

List-I List-II
a. Eastern Himalayas $1$. Kumaon to Kashmir
b. Western Himalayas $2$. Sikkim to NEFA
c. Gangetic Plain $3$. Gujarat to Kanyakumari
d. Malabar $4$. UP to Bihar and Bengal
  1. A-$4$, B-$1$, C-$3$, D-$2$

  2. A-$4$, B-$2$, C-$1$, D-$3$

  3. A-$2$, B-$3$, C-$4$, D-$1$

  4. A-$2$, B-$1$, C-$4$, D-$2$


Correct Option: A

If the average temperature of the sun increased, the wavelength of peak solar emission would:

  1. Shift to a shorter wavelength

  2. Shift to a longer wavelength

  3. Remain the same

  4. Impossible to tell from given information


Correct Option: A

At the North Pole the sun will rise above the horizon on _________ and set below the horizon on __________

  1. June 22; September 23

  2. September 23; December 22

  3. March 21; September 23

  4. June 22; December 22


Correct Option: C

In the northern hemisphere, north-facing hillsides have a ____________ growing season than south-facing hillsides.

  1. Shorter

  2. Longer

  3. Up

  4. Down


Correct Option: A