Ecology Online Test – 1




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Biology

Ecology Test - 1

1 / 30

Which one is not a functional aspect of ecosytem ?
निम्न में से कौनसा पारिस्थितिकी तंत्र का क्रियात्मक पहलू नहीं है?

2 / 30

Largest ecosystem of the world are
विश्व का विशालतम पारितंत्र (ecosystem) कौन

3 / 30

The source of energy in an ecosystem is -
परितंत्र (ecosystem) में उर्जा का स्रोत्र है।

4 / 30

Succession in a water body leads to formation of -
एक जलीय कार्य में अनुक्रमण के फलस्वरूप क्या बनता है।

5 / 30

Group of two or more than two plant species is called as :-
दो या दो से अधिक जातियों के पौधों का समूह कहलाता है:–

6 / 30

Increase of population under optimum condition is termed.
अभीष्ट परिस्थिति (अनुकूल परिस्थिति) में जनसंख्या की वृद्धि को कहते है–

7 / 30

Ecosystem is -
इकोसिस्टम है–

8 / 30

Parasites adversely affect :-
परजीवी किसे विपरीत रूप से प्रभावित करते हैं?

9 / 30

The community which starts succession at a place is termed
वह पादप समुदाय जो किसी स्थान पर अनुक्रमण प्रारम्भ करता है उसे क्या कहते हैं–

10 / 30

Occurence of endemic species in South America and Australia due to :-
ऑस्ट्रेलिया तथा दक्षिण अमेरिका में एन्डेमिक जातियों के पाये जाने का कारण है :–

11 / 30

The maximum energy is stored at which of the following trophic level in any ecosystem -
किसी भी पारिस्थितिक तंत्र में उच्चतम ऊर्जा किस पोषणस्तर पर संचित होती है -

12 / 30

Who proposed that ecosystem is symbol of structure & function of nature -
पारिस्थितिक तंत्र "प्रकृति की रचना एवं उसके कार्य का प्रतीक है' यह तथ्य किसने स्थापित दिया–

13 / 30

Ecosystem term coined by -
ईकोसिस्टम शब्द दिया–

14 / 30

Most successful parasites are those which do not
सर्वाधिक सफल पराश्रयी (Parasite) वे हैं जो कि–

15 / 30

What is true for individuals of same species :-
किसी जाति के सदस्यों के लिए सत्य कथन है

16 / 30

Endemic plants -
ऐन्डेमिक पादप–

17 / 30

In an ecosystem :
एक इकोसिस्टम में :

18 / 30

The correct statement for parasites is/are :-
परजीवियों के लिए सही कथन है :–
(a) Host specific parasites & hosts tend to co-evolve
परजीवी जो परपोषी विशिष्ट हैं सह - विकसित होते हैं
(b) Parasites have highly developed sense organs
परजीवियो के पास अति विकसित संवेदी अंग होते हैं
(c) Parasites may reduce population density of host
परजीवी परपोषी की समष्टि घनत्व को घटा सकते हैं
(d) Parasites have highly developed digestive system
परजीवियों का पाचन तंत्र सुविकसित होता है

19 / 30

Vultures in an ecosystem are -
ईकोसिस्टम में गिद्ध होते है–

20 / 30

The importance of ecosystem lies in -
पारिस्थितिक तंत्र का महत्व का कारण है–

21 / 30

Stable plant community formed during succession is called -
अनुक्रमण के फलस्वरूप बना स्थाई पादप समुदाय कहलाता है।

22 / 30

Earliest settlers on barren lands or the farmers of nature are
किसी बंजर भूमि पर कौनसे पौधे अनुक्रमण प्रारम्भ करते है

23 / 30

Competition for food, light and space is most severe in -
भोजन, प्रकाश तथा स्थान की सबसे अधिक प्रतिस्पर्धा होती है।

24 / 30

Which of the following is an epiphyte ?
निम्न में से कौन एक अधिपादप है?

25 / 30

Mycorrhizae relationship between fungi and roots of higher plants is ?
मायकोराइजा, कवक एवं उच्च पादप जड़ों के बीच का कौन सा सम्बन्ध है ?

26 / 30

The basic unit of ecological study is :-
पारिस्थितिक अध्ययन की आधारभूत इकाई क्या है ?

27 / 30

The group of organisms of different species forms a :-
विभिन्न जातियों के जीवों का समूह क्या कहलाता हैं ?

28 / 30

Large ecosystems are called -
बड़े ईकोसिस्टम कहलाते हैं–

29 / 30

The given diagram is related to which stage of succession?
दिया गया चित्र अनुक्रमण की किस अवस्था से संबंधित है ?

30 / 30

In plant succession last community is called :
पादपों के अनुक्रमण में अन्तिम समुदाय को कहते हैं :

Your score is

The average score is 62%

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