Biology in Human Welfare Online Test – 4


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Biology in Human Welfare Test - 4

1 / 19

Which part would be most suitable for raising virus- free plants for micropropagation ?
सूक्ष्मप्रचारण के लिए वायरस-रहित पौधे बनाने के लिए कौन सा भाग सबसे उपयुक्त होगा ?

2 / 19

Somaclones are obtained by :-
सोमाक्लोन किसके द्वारा प्राप्त किये जाते हैं

3 / 19

Green revolution in India occurred during :
भारत में हरित क्राँति किस दौरान हुई थी ?

4 / 19

Crop plants grown in monoculture are
एकल कृषि में उगाए जाने वाले फसल पौधे कैसे होते हैं ?

5 / 19

Which of the following does not lead to formation of new variety ?
निम्न में से कौनसा नई किस्म का निर्माण नहीं करता है?

6 / 19

To obtain virus - free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken :-
ऊतक संवर्धन तकनीक द्वारा रोगी पादप से विषाणु-मुक्त स्वस्थ पादपों को प्राप्त करने के लिए रोगी पादप के किस भाग / भागों को लिया जाएगा :

7 / 19

A technique of micropropagation is :-
सूक्ष्म प्रवर्धन की एक तकनीक है:–

8 / 19

In laboratory Nicotiana plants are raised by embryo culture, microspore culture, protoplast culture and endosperm culture. What is the ploidy level, respectively ?
प्रयोगशाला में निकोशियना पादप की भ्रूण संवर्धन, लघुबीजाणु संवर्धन, प्रोटोप्लास्ट संवर्धन तथा भ्रूणपोष संवर्धन द्वारा प्राप्त किया जाता है तो इनका गुणिता स्तर क्रमशः होगा :

9 / 19

In plant breeding programme, the entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop is called :
पादप प्रजनन प्रोग्रामों में किसी फसल के सभी जीनों के विविध ऐलीलों के सकल संग्रहण (पौधों/बीजों के) को कहते हैं:

10 / 19

Which one of the following statements is correct?
निम्नलिखित में से कौन सा एक कथन सही है?

11 / 19

To develop virus free potato culture, what is used?
विषाणु मुक्त आलू संवर्धन विकसित करने में किसका उपयोग किया जाता है?

12 / 19

Pusa sawani is a variety of okra and it is developed by which method?
पुसा स्वानी भिण्डी की किस्म है जो किस विधि द्वारा बनायी गयी है?

13 / 19

A protoplast is a cell :
जीवद्रव्यक एक कोशिका है

14 / 19

'Himgiri' developed by hybridisation and selection for disease resistance against rust pathogens is a variety of :-
किट्ट रोगजनकों के विरूद्ध रोगरोधन के लिए संकरण तथा चयन द्वारा विकसित "हिमगिरी" किसकी एक किस्म है ?

15 / 19

In order to obtain virus-free plants through tissue culture the best method is :-
ऊतक संवर्धन द्वारा विषाणु मुक्त पौधे प्राप्त करने की सबसे अच्छी विधि क्या है ?

16 / 19

"Jaya" and "Ratna" developed for green revolution in India are the varieties of :-
भारतवर्ष में हरित क्राँति हेतु विकसित "जया" तथा रत्ना" किसकी किस्में हैं ?

17 / 19

Breeding of crops with high levels of minerals vitamin and proteins is called :
ऐसी फसलों के प्रजनन को, जिनमें खनिज, विटामिन तथा प्रोटीन के स्तर ऊँचे हों, क्या कहते हैं?

18 / 19

Somatic hybridization of protoplast of leaf and nucellus of Petunia results the ploidy level :-
पिटूनिया की पर्ण तथा बीजाण्डकाय के प्रोटोप्लास्ट का कायिक संकरण करवाने के पश्चात गुणिता स्तर होगा :–

19 / 19

Which of the following enzymes are used to obtain protoplast ?
प्रोटोप्लास्ट प्राप्त करने हेतु निम्न में से कौनसे एंजाइम उपयोग में लिये जाते हैं ?

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The average score is 47%



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