Science GK Quiz for Competitive Exams
_______ is the maximum number of links a food chain can have?
(A) 1-2
(B) 3-4
(C) 9-10
(D) 4-5
Correct Answer : D
Explanation :
So the answer to this question is that in the ego system, a food chain is limited to only 4 to 5 trophic levels, which is also due to the 10 pound percent law.
Which is an example of endangered plant species of India?
(A) Aak
(B) Basil
(C) Neem
(D) Rohida
Correct Answer : D
Explanation :
Some endangered plant species found in India are the Ebony tree (Diospyros celibica), Bird`s foot (Lotus corniculatus), Assam catkin yew (Amentotaxus assamica), Malabar Lily (Clorophytum malabaricum) and Musli (Chlorophytum tuberosum).
Beta biodiversity is an example of
(A) Run of Kutch
(B) Rajasthan
(C) India
(D) Asia
Correct Answer : C
Explanation :
It is the number of species unique to each environment that is used to calculate species diversity between two nearby ecosystems. Considering the above slope example, the species diversity between any two patches and their communities in that particular slope represents beta diversity.
What is a book that lists endangered species of organisms called?
(A) Red Data Book
(B) Black Data Book
(C) Yellow Pages Book
(D) Blue Data Book
Correct Answer : A
Explanation :
Red Data Book or Red List Book contains the details of the endangered and threatened species of flora and fauna. It was published by I.U.W.C (International Union for Wildlife Conservation).
In which category are the countries rich in biodiversity placed?
(A) Multi Diversity Countries
(B) Super Diversity Country
(C) Mega Diversity Country
(D) Mass Diversity Country
Correct Answer : C
Explanation :
The mega-diverse countries are those that house the largest indices of biodiversity, including a large number of endemic species.
Who are at the end of the food chain?
(A) decomposers
(B) producer
(C) primary consumer
(D) Secondary consumer
Correct Answer : A
Explanation :
Detritivores and decomposers are the final part of food chains. Detritivores are organisms that eat nonliving plant and animal remains. For example, scavengers such as vultures eat dead animals. Dung beetles eat animal feces.
What would the sky look like in the absence of Earth's atmosphere?
(A) Blue
(B) Dark Red
(C) White
(D) Black
Correct Answer : D
Explanation :
With no atmosphere, the background sky would be black because all the light from the sun and other sources would follow straight paths to your eye.
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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