Biology in Human Welfare Online Test – 2


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Biology in Human Welfare Test - 2

1 / 27

Ladybird is useful to get rid of
लेडी बर्ड किनसे छुटकारा दिलवाने में अत्यंत ही लाभप्रद है।

2 / 27

A new crop triticale has been evolved by interge- neric hybridisation between-
किसके मध्य अन्तः वंशीय संकरण द्वारा नयी फसल ट्रीटकेल का विकास हुआ ?

3 / 27

The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the :-
वे आदिम प्राक्केन्द्रकी प्राणी, जो रोमन्थी जंतुओं के गोबर से बायोगैस उत्पादन के लिए उत्तरदायी होते हैं, किसके अंतर्गत आते हैं।

4 / 27

Heterosis (Hybrid Vigor) desirable in vegetatively propagated plants, because :-
संकर औज का उपयोग कायिक जनन करने वाले पौधों के. लिए अधिक उत्तम है, क्योंकि :–

5 / 27

Which one of the following is being tried in India as a biofuel substitute for fossil fuels ?
भारत में निम्नलिखित में से किस एक को जीवाश्म ईंधनों के विकल्प के रूप में एक जैवईंधन की तरह इस्तेमाल करने का परीक्षण किया जा रहा है ?

6 / 27

Hybrids are generally-
हाइब्रिड सामान्यतया होते हैं :

7 / 27

Microbial insecticide is :
जीवाण्वीक पीडकनाशी है–

8 / 27

Trichoderma has proved a useful microorganism for :-
ट्राइकोडर्मा हैजिऐनम किस एक के लिए एक उपयोगी सूक्ष्मजीव सिद्ध हो चुका है ?

9 / 27

Which of the following fermented baverage will not be produced by distillation of fermented broth.
निम्न में से कौनसा किण्वन पेय पदार्थ fermented broth के आसवन से प्राप्त नहीं किया जाता है

10 / 27

Which one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are correct ?
निम्नलिखित में से किस एक मिलान में एक सूक्ष्म जीवाणु तथा उससे प्राप्त औद्योगिक उत्पाद को गलत मिलाया गया है जबकि शेष तीन सही है ?

11 / 27

A patient brought to a hospital with myocardial infarction is normally immediately given :-
मायोकार्डियल इनफार्कशन (हृदपेशीरोधगलन) के रोगी को अस्पताल में लाने पर तत्काल सामान्यतः क्या दिया जाता है?

12 / 27

In crop improvement programme haploids are of
great importance, because they -
फसल सुधार योजना में अगुणित बहुत महत्व के होते हैं, क्योंकि ये:–

13 / 27

Which one of the following is an example of carrying out biological control of pests/diseases using microbes?
सूक्ष्मजीवों का उपयोग करते हुए पीड़कों / रोगों के जैविकीय नियंत्रण का, निम्नलिखित में से एक उदाहरण कौन-सा है ?

14 / 27

The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are ones categorised as :
दूध से दही बनाने तथा ऐंटीबायोटिक्स के बनाने में सहायक, सर्वाधिक प्रचुरता से पाये जाने वाले प्राक्केंद्रकीयों को किस प्रकार श्रेणीगत किया जाता है ?

15 / 27

Choose the correct statement:-
सही कथन का चयन कीजिए:–

16 / 27

Pomato is –
पोमेटो है–

17 / 27

Cellular totipotency is demonstrated by :-
कोशिकीय पूर्णशक्तता किसके द्वारा प्रदर्शित की जाती है:–

18 / 27

During sewage treatment, biogases are produced which include :
जल-मल के उपचार के दौरान विभिन्न बायोगैसें उत्पन्न होती हैं, जिनमें शामिल हैं:

19 / 27

The source of cyclosporin-A is :-
साइक्लोस्पोरिन A का स्त्रोत है:

20 / 27

Which of the following is a free living biocontrol microbial agent for plant pathogen?
निम्न में से कौन सा पादप रोगाणुओं के लिये मुक्तजीवी, जैवनियन्त्रण सूक्ष्मजैविक कारक है?

21 / 27

Modern farmer's can increase the yield of paddy upto 50% by the use of :-
आज के कृषक धान की फसल 50% तक वृद्धि किसके उपयोग द्वारा कर सकते हैं:–

22 / 27

The puffed-up appearance of dough is due to –
Dough का फूलना किस कारण होता है ?

23 / 27

Select the correct match -
सही मिलान का चयन किजिए–

24 / 27

If a breeder has to evolve a disease resistant strain, what step will be taken first:-
यदि एक किसान रोग प्रतिरोधी स्ट्रेन का विकास करना चाहता है तो वह सर्वप्रथम क्या चरण लेगा:

25 / 27

A good producer of citric acid is :
सिट्रिक अम्ल का अच्छा उत्पादक कौनसा है?

26 / 27

Somaclonal variations appears in –
सोमाक्लोनल विभिन्नताएँ किनमें पायी जाती है–

27 / 27

Emasculation is achieved by-
विपुंकेसरीकरण प्राप्त होता है :–

Your score is

The average score is 48%



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