General Science GK Questions and Answers
From the ecological point of view, which one is more important as having good connectivity between the Eastern Ghats and the Western Ghats?
(A) Satyamangalam Tiger Reserve Area (Satyamangalam Tiger Reserve) ✔
(B) Nallamala Forest
(C) Nagarhole National Park
(D) Seshachalam Biosphere Reserve
Correct Answer : A
Explanation :
The correct answer is option 1, i.e Sathyamangalam Tiger Reserve.
What is called an 'Ecosystem'?
(A) A community of organisms interacting with each other.
(B) That part of the earth which is inhabited by living organisms.
(C) The community of organisms as well as the environment in which they live.
(D) flora and fauna of a geographical area.
Correct Answer : C
Explanation :
An ecosystem is a community of living organisms (plants, animals and microbes) in a particular area. The term `eco' refers to a part of the world and `system' refers to the co-ordinating units. An ecosystem is a community of organisms and their physical environment interacting together.
Which one animal group comes under the category of endangered species?
(A) Great Indian Sarang, Musk Deer, Red Panda and Asiatic Wild Ass
(B) Kashmiri antelope, chital, nilgai and great Indian sarong
(C) Snow Leopard, Anoop Deer, Rhesus Monkey and Crane
(D) Leopard Macaque, Nilgai and Hanuman Langar
Correct Answer : A
Explanation :
The species that are in danger of getting extinct are called endangered species. In India, the Lion Tailed Macaque, the forest owlet, the Bengal tiger, the Asiatic Lion, the Ganges river dolphin, Asiatic elephant and the Sangai are some of the endangered species.
What does 'transcriptome' refer to?
(A) a class of enzymes used in genome editing
(B) Complete chain of mRNA molecules expressed by an organism
(C) Describe the mechanism of gene expression
(D) a mechanism of genetic mutations occurring in cells
Correct Answer : B
Explanation :
A transcriptome is the full range of messenger RNA, or mRNA, molecules expressed by an organism. The term "transcriptome" can also be used to describe the array of mRNA transcripts produced in a particular cell or tissue type.
Select from the following a group of eatables each member of which is rich In Iron.
(A) Jaggery, Amla, Tomato
(B) Amla, Spinach, Jaggery
(C) Amla, Cabbage, Tomato
(D) Cabbage, Amla, Spinach
Correct Answer : B
Explanation :
So, Amla, spinach and jaggery are a group of eatables each member of which is rich in iron.
What happens in the non-living component of the ecosystem?
(A) flow of energy
(B) cycling of substances
(C) Consumer
(D) Energy flow and rotation of matter
Correct Answer : B
What is included in the ecosystem under decomposers?
(A) bacteria and fungi
(B) Microorganism only
(C) both of the above
(D) both the above and the larger organism
Correct Answer : C
The flow of energy in an ecosystem decreases from bottom to top trophic level, which is the rule?
(A) first law of energy dynamics
(B) Second law of energy dynamics
(C) both of the above
(D) none of the above
Correct Answer : B
What will be the trophic level of a bamboo plant that grows in a dense forest?
(A) 1st
(B) 2nd
(C) 3rd
(D) 4th
Correct Answer : A
What is the correct sequence of plants in a hydrosphere?
(A) Walut-Lantana-Serpes-Pistia-Hydrilla-Valvox
(B) Valvox – Hydrilla – Pistia – Serpus – Lantana – Oak
(C) Pistia Valvox Serpus Hydrilla – Acorn Latana
(D) Oak – Lantana Valvox Hydrilla – Pistia – Serpus
Correct Answer : C
Explanation :
Sequence of communities during hydrarch succession are as follows: Phytoplankton stage (Volvox) → submerged plant stage (Hydrilla) → submerged free floating plant stage (Pistia) →reed-swamp stage (Scirpus) → marsh-meadow stage (Lantana) → woodland stage → climax forest (Oak).
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Rajesh Bhatia
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