Ecology से KVS TGT PGT में पूछे जाने वाले Top 30 MCQ Questions

Ecology : हर साल परिस्थितिकी (Ecology) से प्रतियोगी परीक्षाओं में कई MCQ Questions पूछे जाते है, इस लिहाज से परिस्थितिकी  (Ecology) विषय का गहराई से अध्ययन करना बेहद महत्वपूर्ण हो जाता है।

1. Plants growing in acidic soil is called as

(A) Psammophytes
(B) Oxalophytes
(C) Halophytes
(D) Cryophytes
Answer:- Oxalophytes

2. Logistic growth of population show

(A) Sigmoidal curve
(B) J shaped curve
(C) Both types of curve
(D) All of the above
Answer:- Sigmoidal curve

3. Phenotypic variants formed in a population due to change in environment are called:

(A) Ecophenes
(B) Ecotypes
(C) Sciophytes
(D) Heliophytes
Answer:-Ecotypes

4. The only ecosystem which is not driven by solar energy is-

(A) Coral reef ecosystem
(B) Hydrothermal vent ecosystem
(C) Wertland ecosystem
(D) Mangroove ecosystem
Answer:-Hydrothermal vent ecosystem

5. An endemic species is the one:

(A) That has been introduce to a new geographic area
(B) That is found in many different geographic area
(C) That is found only on islands
(D) That is found naturally in just one geographic area
Answer:-That is found naturally in just one geographic area

6. Susceptibility to extinction is due to:

(A) Large body size
(B) Small population
(C) High trophic level
(D) All of the above
Answer:-All of the above

7.What is true about Disappearance of dinosaurs

(A) Natural extinction
(B) Anthropogenic extinction
(C) K-T boundary
(D) Extinction vertex
Answer:- K-T boundary

8. Biodiversity Act of India was passed by the Parliament in the year:

(A) 1996
(B) 1992
(C) 2002
(D) 2000
Answer:-2002

9. A historic convention on the biological diversity held in Rio de Jeneiro in 1992 is known as:

(A) The Earth Summit
(B) Montreal Protocol
(C) Geneva Convention
(D) Janeiro Convention
Answer:-The Earth Summit

10. Core zone, buffer zone and manipulation zone are found in:

(A) National park
(B) Sanctuary
(C) Tiger reserve
(D) Biosphere reserve
Answer:-Biosphere reserve

11. Which type of water does not comes under echard

(A) Hygroscopic water
(B capillary water
(C) Gravitational water
(D) Chemically bound water
Answer:-capillary water

12. Montreal protocol aims at:

(A) Reduction of ozone depleting substances
(B) Biodiversity conservation
(C) Control of water pollution
(D) Control of CO2 emission
Answer:-Reduction of ozone depleting substances

13. What is true about Jhum cultivation is

(A) Mainly practiced in Northeastern states of India
(B) Also known as slash & burn cultivation
(C) Shifting cultivation
(D) All of the above
Answer:-All of the above

यह भी पढ़ें: Alage से KVS TGT PGT में पूछे जाने वाले Top 40 MCQ Questions

14. Biomagnification is highest in:

(A) Producers
(B) Primary consumers
(C) Secondary consumers
(D) Tertiary consumers
Answer:-Tertiary consumers

15.Sound becomes a hazardous noise pollution if its level exceeds:

(A) 30 dB
(B) 80 dB
(C) 120 dB
(D) 150 dB
Answer:-80 dB

16. What is the major cause of desertification?

(A) Urbanisation
(B) Greenhouse effect
(C) EI Nino effect
(D) Both (A) and (C)
Answer:-Urbanisation

30 Important MCQ on Ecology with answers

17. Solid wastes can be-

(A) Biodegradable
(B) Non-biodegradable
(C) Both (A) and (B)
(D) None of the above
Answer:-Both (A) and (B)

18. Two important Hot Spots in India are:

(A) Eastern Himalayas and Western Ghats
(B) North Himalayas and Western Ghats
(C) Eastern Himalayas and Shiwalik
(D) Upper Gangetic Plain and Western Ghats
Answer:-Eastern Himalayas and Western Ghats

19. Botanical generic name of bladderwort is:

(A) Drocera
(B) Nepenthes
(C) Utricularia
(D) Dionaea
Answer:-Utricularia

20. Air pollutnat gases causing acid rains are:

(A) CO2 and Cl2
(B) CO2 and O3
(C) SO2 and NO3
(D) CFC and CO2
Answer:-SO2 and NO3

21. Biological magnification refers to:

(A) Enlargement of imalge under microscope
(B) Groth of tissues in culture
(C) Accumulation of pollutants in higher trophic level organism
(D) Epidemic from of disease
Answer:-Accumulation of pollutants in higher trophic level organism

यह भी पढ़ें: Fungi से KVS TGT PGT में पूछे जाने वाले Top 40 MCQ Questions

22. The pyramid of biomass will be inverted in the ecosystem of:

(A) Forest ecosystem
(B) Grassland ecosystem
(C) Dryland
(D) Pond ecosystem
ANSWER:-Pond ecosystem

23. Which of the following is a total root parasite-

(A) Viscum
(B) Balanophora
(C) Santalum
(D) Cuscuta
Answer:-Balanophora

24. When the “project tiger” was started in Inida?

(A) 15 August 1995
(B) 20 September 2010
(C) 1 April 1973
(D) 26 January 1986
Answer:-1 April 1973

25. These food chain which begins with the death of-

(A) Primary food chain
(B) Edaphic food chain
(C) Detritus food chain
(D) Grazing food chain
Answer:-Detritus food chain

26. A phylloclade is the modification of a-

(A) Root
(B) Stem
(C) Leaf
(D) Flower
Answer:-Stem

27. Eutrophication refers to:

(A) High production in an aquatic ecosystem
(B) Low production in a terrestrial ecosystem
(C) Stable production in a terrestrial ecosystem
(D) Low production in an aquatic ecosystem
Answer:-High production in an aquatic ecosystem

28. A sedimentary type of biogeochemical cycle is:
(A) Carbon cycle
(B) Hydrogen cycle
(C) Nitrogen cycle
(D) Sulphur cycle
Answer:-Sulphur cycle

29. Nepenthese Khasiana is-

(A) Primary producer & Primary consumer
(B) Secondary Producer and Secondary consumer
(C) Primary carnivore and Primary producer
(D) Secondary carnivore and secondary producer
Answer:- Primary carnivore and Primary producer

30. Thickness of ozone layer is measured in terms of:

(A) NTU
(B) Dobson units
(C) Ohm
(D) Centimeter
Answer:-Dobson units

31. Which of the following is a saprophytic plant?

(A) Cuscuta
(B) Drosera
(C) Monotropa
(D) Orobanche
Answer:-Monotropa

32. If S is species richness, A is area, Z is slope of the line, and the C is Y-intercept, then the species richness will be shown as:

(A) S = C + AZ
(B) S = C + AZ
(C) S = C, AZ
(D) S = C, AZ
Answer:- S = C, AZ

FAQs

अम्लीय मिट्टी में उगने वाले पौधे क्या कहलाते है?

अम्लीय मिट्टी में उगने वाले पौधों को oxalophytes कहते है।

मरुस्थलीकरण का मुख्य कारण क्या है?

मरुस्थलीय का मुख्य कारण शहरीकरण को माना जाता है।

किन गैसों के कारण एसिडिक रेन होती है?

सल्फर डाइऑक्साइड और नाइट्रोजन डाइऑक्साइड के कारण अम्लीय वर्षा होती है।

भारत मे प्रोजेक्ट टाइगर कब शुरू हुआ ?

भारत मे प्रोजेक्ट टाइगर की शुरुआत 1 अप्रैल 1973 को हुई थी।

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