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Biology

PLANT PHYSIOLOGY : PLANT GROWTH AND DEVELOPMENT TEST - 04

1 / 30

Which statement is not correct about ethylene ?
ऐथीलीन के बारे में कौनसा कथन सही नहीं है ?

2 / 30

Regarding factors affecting the development, PGR is the :-
विकास को प्रभावित करने वाले कारकों में से PGR है

3 / 30

'Bakane disease of rice seedlings' was caused by Gibberella fujikuroi' Which is –
धान के नवोद्भिद में बकाने बीमारी, जिबेरेला फुजीकुरोई के द्वारा होती है, जो कि एक

4 / 30

Parenchymatous cell that are made to divide under controlled laboratory conditions during plant tissue culture are :-
प्रयोगशाला की नियन्त्रित परिस्थितियों में ऊतक संवर्धन के दौरान विभाजित हो रही मृदुतक कोशिका है

5 / 30

The site of perception of light/dark duration are the :-
प्रकाश / अंधकार काल का अनुभव

6 / 30

Arithmetic growth is related to :-
अंकगणितीय वृद्धि से सम्बन्धित है:

7 / 30

Cells/tissues arising out of the same meristem have different structures at maturity, this phenomenon in plants is called :-
एक ही विभज्योतक से पैदा होने वाली कोशिकाएं / ऊतक परिपक्व होने पर भिन्न संरचनाएं रखते हैं, पादपों में यह घटना कहलाती है

8 / 30

Which of the following is a regulatory pigment?
निम्न में से कौनसा नियामक वर्णक है?

9 / 30

Who isolated Auxin from tip of coleptiles of oat sedlings?
किसने ऑक्सिन की खोज, जई के नवोद्भिद के प्रांकुर चोल शिखर से की ?

10 / 30

Which of the following increases the tolerance of plants to various kind of stresses?
निम्न में कौन बहुत सारी तनाव परिस्थितियों में पादप की सहनशीलता को बढ़ाता है ?

11 / 30

Which of the following sets is not of natural plant hormones ?
निम्न में से कौनसा समुच्चय / सेट प्राकृतिक पादप हॉर्मोन्स का नहीं है?

12 / 30

Removal of shoot tips (decapitation) usually results in the growth of lateral buds. It is related to the removal of effect of which plant hormone?
प्ररोह शीर्ष को हटाने (शिरच्छेदन) से प्रायः पार्श्व कलियों की वृद्धि होती है। यह किस पादप हारमोन के प्रभाव को हटाने से संबंधित है ?

13 / 30

2, 4-D does not affect :-
2, 4-D किसको प्रभावित नहीं करेगा ?

14 / 30

Which of the following activities do not involve the role of GA?
निम्न में से किस प्रक्रिया में GA की भूमिका नहीं है ?

15 / 30

In the following which is not present naturally in plants?
निम्न में से कौनसा पौधों में प्राकृतिक रूप से नहीं पाया जाता है?

16 / 30

Ethylene is used to initiate flowering and for synchronising fruit set in –
एथीलिन का इस्तेमाल फूलने तथा फल समकालिकता के लिए किसमें किया जाता है ?

17 / 30

If 25 ppm amount of 2, 4-D is require to perform a plant function, what amounts of 2, 4-D are require for making 5 litre, 10 litre and 15 litre solutions respectively?
यदि एक पादप क्रिया के लिए 2, 4-D की 25ppm मात्रा आवश्यक है तो 5 लीटर, 10 लीटर एवं 15 लीटर विलयन बनाने के लिए 2, 4-D की कितनी मात्रा क्रमशः आवश्यक है?
(Molecular weight of 2, 4-D = Approx 220)
(2, 4-D का अणुभार लगभग 220)

18 / 30

Photoperiodism was discovered by :-
दीप्तिकालिता की खोज किसने की

19 / 30

Spraying sugarcane crop with gibberellins increases the length of the stem, thus increasing the yield by as much as :-
गन्ने की खेती में जिब्बेरेलिंस छिड़कने से तनों की लम्बाई बढ़ती है, इससे उपज बढ़ती है

20 / 30

Which of the following plant growth regulators is responsible for ‘respiratory climactic’ ?
निम्न पादप वृद्धि नियामकों में से कौनसा श्वसनी क्लाइमेक्टिक' के लिए उत्तरदायी है?

21 / 30

In sigmoid growth curve, the exponential phase slows down leading to a stationary phase due to :-
सिग्मॉइड वृद्धि वक्र में, चरघातांकी अवस्था धीमी होती हुई स्थिर / अप्रगामी अवस्था की ओर बढ़ जाती है, इसका कारण है

22 / 30

Which of the following physiological effects, is common to both Auxins and Ethylene?
निम्न कार्यिकीय प्रभावों में से कौनसा ऑक्सिन एवं इथाइलिन दोनों द्वारा किया जाता है?

23 / 30

Which of following is used to speed up the malting process?
शराब उद्योग में माल्टिंग की गति बढ़ाने के लिये किसका उपयोग करते हैं?

24 / 30

Which of the following is a characteristic feature of meristematic cells –
निम्न में से कौनसा विभज्योतकीय कोशिकाओं का लाक्षणिक गुण है?

25 / 30

PGR of which of the following chemical nature, is helpful in wine production?
निम्न में से किस रासायनिक प्रकृति वाला पीजीआर, शराब उत्पादन में सहायक है?

26 / 30

Induction of rooting in stem cutting by auxin treatment would be beneficial in which of the following -
निम्नलिखित में से किसमें ऑक्सिन उपचार द्वारा तने की कलम से जड़ बनाने का प्रेरण सबसे अधिक उपयोगी होगा

27 / 30

Which causes fruits like apple to elongate & improve its shape ?
निम्न में से कौन सेव जैसे फलों को लम्बा बनाते हैं ताकि वे उचित रूप ले सके ?

28 / 30

Hormone which is sprayed on young conifers to hasten the maturity peiod and early seed production is –
वह हॉर्मोन जो किशोर शंकु वृक्षों में परिपक्वता को तीव्र करने एवं बीज जल्दी तैयार करने के किए छिड़का जाता है

29 / 30

In the following which is not a function of ethylene?
निम्न में से कौनसा इथाइलीन का कार्य नहीं है?

30 / 30

Growth is measured by a variety of parameters, in following which is not included ?
वृद्धि को विभिन्न मापदंडों से मापा जा सकता है, निम्न में से कौनसा इसमें नहीं आता है ?

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