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NDA mcq Questions. We covered all the NDA mcq Questions in this post for free so that you can practice well for the exam.
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NDA mcq Objective Questions for Students
What term is used for the circulation of elements within an ecosystem?
A) Chemical cycles
B) Biogeochemical cycles
C) Geological cycles
D) Geochemical cycles
Option b – Biogeochemical cycles
Which of the following is not directly associated with maintaining ecological balance?
A) Water management
B) Afforestation
C) Industrial management
D) Wildlife protection
Option c – Industrial management
The slogan “Ecology is the permanent Economy” is associated with which movement?
A) Appiko Movement
B) Narmada Bachao Andolan
C) Chipko Movement
D) None of the above
Option c – Chipko Movement
The Chipko Movement is primarily connected with
A) Conservation of plants and forests
B) Tiger conservation programmes
C) Crocodile protection
D) Plant Reproduction studies
Option a – Conservation of plants and forests
Which of the following represents ecosystems arranged in decreasing order of productivity?
A) Oceans, lakes, grasslands, mangroves
B) Mangroves, oceans, grasslands, lakes
C) Mangroves, grasslands, lakes, oceans
D) Oceans, mangroves, lakes, grasslands
Option c – Mangroves, grasslands, lakes, oceans
Which one of the following trees is considered unfriendly to the Environment?
A) Babul
B) Eucalyptus
C) Neem
D) Pipal
Option b – Eucalyptus
Which of the following trees is regarded as an environmental hazard?
A) Babul
B) Amaltas
C) Neem
D) Eucalyptus
Option d – Eucalyptus
A freshwater example of a lentic habitat is
A) Ponds and swamps
B) Waterfalls and rivers
C) Ponds and rivers
D) All of the above
Option a – Ponds and swamps
The zone that lies between two different biological communities is called
A) Ecotype
B) Arcade
C) Ecosphere
D) Ecotone
Option d – Ecotone
Which among the following ecosystems is considered the most stable?
A) Desert
B) Mountain
C) Ocean
D) Forest
Option c – Ocean
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