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Biology

PLANT PHYSIOLOGY : TRANSPORT IN PLANTS TEST - 01

1 / 30

The osmotic pressure is due to :-
परासरण दाब का कारण है:

2 / 30

In which condition the Turgor pressure of the cell becomes equal to the osmotic pressure :-
किस विशेष परिस्थिति में स्फीति दाब का मान परासरण दाब के बराबर हो जाता है :

3 / 30

The direction of the movement of water :-
जल की गति की दिशा होती है:

4 / 30

Osmosis is the diffusion of a solution of a weaker concentration when both are seperated by semi-permeable membrane. What is error in the statement ?
जब दो विलयनों को अर्धपारगम्य झिल्ली से अलग किया गया हो, तो कम सान्द्र विलयन का विसरण होता है। इस कथन में क्या त्रुटि है:

5 / 30

What is the direction of the movement of water if two cells have the same OP but differ in TP ?
अगर दो कोशिकाओं में OP समान हो परन्तु TP में अन्तर हो, तो इनमें जल संवहन की दिशा क्या होगी :

6 / 30

If a cell is reduced in size (shrinks) when placing in a solution of sugar, the solution is :-
यदि एक कोशिका शक्कर के एक घोल में रखने पर छोटी हो जाती है (सिकुड़ जाती है) तो घोल है:

7 / 30

Potato slices are immersed in a series of solution of different osmotic concentrations. No change in volume or weight is observed with slices in a 0.3 M solution. The osmotic concentration of vacuolar sap, therefore :-
आलू के चकत्तों को क्रमश: कई श्रेणी के परासरण दाब वाले विलयनों में रखा जाता है। 0.3M विलयन में रखे चकत्तों के आयतन या भार में कोई परिवर्तन नहीं होता। रिक्तिका रस का परासरण सान्द्रण इसलिए है:

8 / 30

If in a cell suction pressure value is 30 atm. while osmotic pressure 42 atm. then calculate the turgidity developed in form of TP in the cell :-
अगर कोशिका का चूषण दाब 30 atm तथा परासरण दाब का मान 42 atm. हो तो इसमें उत्पन्न स्फीति की गणना स्फीति दाब के रूप में करियेः

9 / 30

In a flaccid cell which condition does not occur-
किसी श्लथ कोशिका के लिये क्या सही नहीं है

10 / 30

Tonoplast is :-
टोनोप्लास्ट है :

11 / 30

When water enters into a cell what happens to its OP, TP and DPD ?
जब एक कोशिका में जल प्रवेश करता है तो उसके OP, TP तथा DPD का क्या होगा :

12 / 30

Pieces of beet root do not lose their colour in cold water, but do so in boiling water because :-
चुकन्दर के टुकड़े ठण्डे पानी में रखने पर तो रंग नहीं छोड़ते लेकिन उबलते पानी में रखने पर रंग छोड़ने लगते हैं क्योंकि:

13 / 30

Osmotic pressure of a cell is zero when :-
एक कोशिका का परासरण दाब शून्य होगा जबकि

14 / 30

Water enters into the root hair from the soil in its normal condition because the osmotic pressure of the soil solution :-
अपनी सामान्य अवस्था में मृदा से जल मूलरोम में प्रवेश करता है, क्योंकि मृदा विलयन का परासरण दाब:

15 / 30

What maintains the shape of a cell ?
एक कोशिका के आकार को कौनसा दाब बनाये रखता है।

16 / 30

The entry of water from the soil up to xylem elements of root is due to :-
मूलरोम से मूल की जाइलम वाहिकाओं तक जल प्रवाह किस कारण सम्पन्न होता है:

17 / 30

Water from the soil enters in to the root hairs on account of :-
मृदा से मूलरोम में जल निम्न कारण से प्रवेश करता है:

18 / 30

The accurate relationship between SP, OP, TP can be expressed as -
सही रूप में SP, OP, TP का सम्बन्ध निम्न प्रकार से प्रदर्शित करते हैं -

19 / 30

The hydrostatic pressure developed in the cell is called :-
कोशिका में उत्पन्न हाइड्रोस्टेटिक दाब को क्या कहते है :

20 / 30

One molar solution of which substance will have maximum O.P. :-
किस पदार्थ के एक मोलर विलयन में O.P. सर्वाधिक होगा :

21 / 30

Process of selective transmission of a liquid through semi permeable membrane is called :-
एक तरल का अर्द्ध-पारगम्य झिल्ली में होकर वरणात्मक स्थानान्तरण कहलाता है:

22 / 30

Osmotic potential is numerically equal to :-
संख्यात्मक रूप से परासरणी विभव किसके बराबर होता है:

23 / 30

The process of osmosis involves :-
परासरण की क्रिया में होता है:-

24 / 30

In a fully turgid cell the values of DPD, OP and TP should be :-
एक पूर्ण स्फीत कोशिका के लिए DPD, OP तथा TP के मान निम्नलिखित में से होगें :

25 / 30

A cell increases in volume if the external medium is
एक कोशिका का आयतन बढ़ता है जब बाहरी माध्यम होता है

26 / 30

When a cell is fully turgid which of the following will be zero ?
जब कोशिका पूर्ण स्फीत होगी तो निम्नलिखित में से क्या शून्य होगा:

27 / 30

What statement can be cited for 10% sodium chloride solution and 10% sugar solution present ?
अगर 10% नमक का घोल तथा 10% ही शक्कर का घोल हो तो क्या सही है :

28 / 30

Under natural conditions the osmotic pressure is :-
सामान्य परिस्थितियों में एक कोशिका के परासरणी दाब का मान कितना होता है :

29 / 30

When a plant cell is placed in a hypotonic solution, which of the following will not apply ?
जब एक कोशिका को अधोपरासरी विलयन में रखा जाता है तो उसके लिए कौनसा तथ्य लागू नहीं होता है:

30 / 30

If osmotic potential of a cell is (– 10 bars) and its pressure potential is 5 bars, its water potential would be :–
यदि कोशिका का परासरण विभव- 10 bar है दाब विभव 5 बार है, तो उसका जल विभव होगा :

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