EVS (Environmental Science) For D.El.Ed Entrance, Assam Agriculture, PNRD, Assam Police Exam (Part-6)

EVS (Environmental Science)

For D.El.Ed Entrance, Assam Agriculture, PNRD, Assam Police, Forest, DECT, Railway & SSC Exam (Part-6)

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(Q) The characteristics of river estuaries are ?

(a) Fresh and brackish water
(b) Rich biodiversity
(c) high productivity
(d) All of the Above

Answer:- (d) All of the Above

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(Q) The major result of deforestation is ?
I. Destruction of natural habitat of wildlife
II. Effect on water circulation
III. Soil erosion which of the above statements is correct?

(a) I only
(b) I and II
(c) III only
(d) I, II and III

Answer:- (d) I, II and III

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(Q) Which of the following controls the water cycle ?

(a) Grassland
(b) Forest
(c) Plankton
(d) All the Above

Answer:- (b) Forest

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(Q) A continuously increasing amount of deadly chemicals is called by the food chain ?

(a) Ecological balance
(b) Bio-concentration
(c) Food level
(d) Bio-decomposition

Answer:- (b) Bio-concentration

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(Q) Which of the following is harmful to the environment?

(a) paper
(b) cloth
(c) metal
(d) plastic

Answer:- (d) plastic

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(Q) What is the study of the relationship between animals and plants in the surrounding environment ?

(a) Ecology
(b) Ethnology
(c) genealogy
(d) genius

Answer:- (a) Ecology

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(Q) Who has coined the Chipko slogan "Ecology is sustainable economy"?

(a) Chan Prasad Bhatt
(b) Sunderlal Bahuguna
(c) Shyam Prasad Bahuguna
(d) Bachni Devi

Answer:- (b) Sunderlal Bahuguna

Sundar Lal Bahuguna, who devoted his life to the environment, was born on 9 January 1927 in present Uttarakhand. Bahuguna is considered to be the main leader of the Chipko Movement and anti-big dam construction movements.

(Q) Which of the following is not considered as a part of abiotic environment?

(a) plants
(b) air
(c) water
(d) soil

Answer:- (a) plants

Water, rock, air, sun temperature and humidity are examples of abiotic components in the ecological system that are associated with each other and can also affect living organisms.

(Q) Who coined the term "Ecology"?

(a) Ernst Heckel
(b) G. Evelyn Hutchinson
(c) Hugo de Rice
(d) Robert Brown

Answer:- (a) Ernst Heckel

The first zoologist, named Anast Heckel, used the term ecology in 1869. The word ecology is made up of two Greek words Oikas-house (house) and Logos-study (study).

(Q) The living part of the bacterial environment is called ?

(a) Abiotic factors
(b) Housing
(c) biological factors
(d) Non-living factor

Answer:- (c) biological factors

Biological component is the living things that shape an ecosystem. Which affects the population or environment of another organism. Biological factors have a direct and indirect effect on human life.

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