Climate factors - class-IX
Description: climate factors | |
Number of Questions: 52 | |
Created by: | |
Tags: principles of ecology organisms and population ecology and environment soil pollution biology environmental factors zoology botany |
I. Temperature
II. Humidity
III. Vegetation
The abiotic factors of ecosystem include
Pedology is the science of
Edaphology is the relationship between
The part of the biosphere which contains soil is known as
In a .......... ecosystem, the producers are mostly herbaceous or woody plants.
Environment consists of
Which of the following components of biosphere makes an interface with the soil?
Which of the following gas is present at a very high concentration in our environment?
What will be seriously threatened by rising sea level?
At any given time, __________ of the earth is illuminated by the sun.
Salt concentration of the sea measured in parts per thousand is
Which of the following NGO releases State of Environment Report in India?
Which ecosystem is important in purifying air, recycling water and controling climate?
When ELR is less than ALR, resulting environmental lapse rate is known as
Greatest decline, being observed over America and Argentina, ranges from 5% to
What does help in reaeration from atmosphere?
Edaphic factors are related to
If there was no CO$ _2$ in the earth's atmosphere, the temperature of earth's surface would be
Due to the increased average global temperature on fish populations, the fish will show
I. Movement from saline to fresh waters
II. Movement to deeper waters
III. Movement to higher latitudes
There is no atmospheric reservoir in
The phosphorus cycle differs from those of carbon and nitrogen as well as from those of sulphur, oxygen and hydrogen in that it lacks
The asteroid which is believed to have collided with earth some 65 million years ago is
Which statements regarding response of organisms to abiotic factors in false?
Select incorrect statement :
The lowest temperature of any land mass of the universe was recorded in
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
Which one of the following is not a correct match of the term and its description?
The abiotic components of the environment are the living factors.
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 |
Which of the following is an ecosystem service provided by a natural ecosystem?
If the average temperature of the sun increased, the wavelength of peak solar emission would:
The minimum temperature in the sea is .......... , while in freshwater ponds it never goes below ..........
At the North Pole the sun will rise above the horizon on _________ and set below the horizon on __________
Aquatic and terrestrial animals need sulphur and nitrogen to
Scientists are able to determine the air temperature in the thermosphere by:
Initial causes of ecological succession includes:
In the northern hemisphere, north-facing hillsides have a ____________ growing season than south-facing hillsides.
Ecotype is a type of species in which environmentally induced variations are
Non living things in an environment is known as
Which of the following is not properly matched?
In what way a plant growing on a forest floor is adapted for its survival?
Choose the correct answers from the alternatives given .
Which of the following best describes strata ?
The salinity of the oceans is
In most areas, the warmest time of the day about 5 feet above the ground occurs:
Suppose last night was clear and calm. Tonight low clouds will be present. From this you would conclude that tonight's minimum temperature will be:
Which of the following is present in maximum amount in atmosphere ____________.
If the $CO 2$ content of the atmosphere is as 300 parts per million ______________.
$71$% of the carbon is found in ____________.
Which of the following fixes atmospheric ${ N } _{ 2 }$?
The three R's to save the environment are
The two sides of a given mountain have the same latitude and altitude Are they likely to have the same climate
The surface temperature of the sun is _____________