During an equinox_____________?
A. The days and nights are of equal length except at the poles
B. At noon the sun is overhead at the equator
C. The earth is not tilted toward nor away from the sun
D. All of the above
Category: General Knowledge Mcqs
General Knowledge Mcqs are from diffrent sections like sports, geography, improtant days, book authers , atmosphere, events. GK Mcqs. General knowledge mcq for competitive exam , interview and entrance test , Government exams , State and UPSC Civil Services Examinations , PSC, SSC , cgl, ibps,ias,ras , Bank exams and other various exams
Our seasons are caused by______________?
A. The changing distance between the earth and the sun
B. The angle at which sunlight reaches the earth
C. The length of the daylight hours
D. All of the above
E. Only (b) and (c) are correct
Valuable, practical services that help to preserve ecosystem performed by nature are called____________?
A. Ecosystem service
B. Biological control
C. The green house effect
D. Biosphere balancing
In the food relationship where the lion eats the wilde beest, and the wilde beast eats plants____________?
A. The lion is the prey and the wilde beast is the predator
B. The lion is the predator and the wilde beast is the prey
C. The lion is the primary consumer and the wilde beast is the secondary consumer
D. The lion is the secondary consumer and the wilde beast is the primary consumer
Two-thirds of the world’s known oil reserves are located in____________?
A. Siberia
B. Gulf of mexico and caribbean
C. The middle east
D. Indonesia
If a glass of water were surrounded by saturated air_____________?
A. The level of the water in the glass would slowly decrease
B. The water’s temperature would slowly increase
C. The level of the water in the glass would not change
D. The water’s temperature would slowly decrease
Which of the following statements is not correct ?
A. The length of human hair changes as the relative humidity changes.
B. During the winter, low relative humidity can irritate the mucus membranes in the nose and throat.
C. The relative humidity is a measure of the air’s actual water vapor content.
D. A change in the air temperature can change the relative humidity.
Which of the following statement is incorrect regarding ecological pyramids__________?
A. The pyramid of energy is inverted in ocean ecosystem
B. The pyramid of biomass is inverted in aquatic ecosystem
C. The pyramid of numbers is upright in grass land ecosystem
D. The pyramid of biomass is upright in grass land ecosystem
Which of the following regarding ecological pyramids is not correct ?
A. In most ecosystems, the pyramid of numbers and biomass are up right
B. In tree dominated ecosystem the pyramid of numbers is inverted
C. The pyramid of energy expresses mainly the rate of food production
D. In deep water ecosystem, the pyramid of biomass is upright
E. The total energy flow at successive tropical level always decreases
Definition of ecosystem is____________?
A. The community of organisms together with the environment in which they live
B. The abiotic component of a habitat
C. The part of the earth and its atmosphere which inhibits living organisms
D. A community of organisms interacting with one another
