Sex organs in pteridophytes are formed on the
Anonymous Quiz
31%
Multicellular well-developed sporophyte.
10%
Unicellular main gametophyte of the plant.
37%
Photosynthetic, free living gametophyte
22%
Gametophyte which is nutritionally dependent on sporophyte.
👉 हो जाओ तैयार #JEET Series का First Special Session by #SunilNain sir आज शाम 6 बजे ⏰
Identify the correct statement regarding a spontaneous process
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62%
For a spontaneous process in an isolated system, the change in entropy is positive
7%
Endothermic processes are never spontaneous
22%
Exothermic process are always spontaneous
9%
Lowering of energy in the reaction process is the only criterion for spontaneity
The entropy of crystalline substances at absolute zero going by the third law of thermodynamics should be taken as
Anonymous Quiz
3%
100
6%
50
81%
Zero
10%
Different for different substances
Which one of the following is always not negative
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19%
Enthalpy of combustion
41%
Enthalpy of formation
19%
Enthalpy of neutralisation
22%
Hydration Enthalpy
The positive value of ∆S indicates that
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12%
The system becomes less disordered
70%
The system becomes more disordered
9%
The system is in equilibrium position
9%
The system tends to reach at equilibrium position
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#हनुमानजयंती #HanumanJayanti #जय_हनुमान #संकटमोचन #बजरंगबली
#हनुमानजयंती #HanumanJayanti #जय_हनुमान #संकटमोचन #बजरंगबली
1. In majority of dicotyledonous plants, the direct elongation of the_______ leads
Anonymous Quiz
8%
Cotyledon
16%
Secondary root
23%
Plumule
54%
Radicle
Adventitious roots are found in
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7%
Mustard
8%
Turnip
60%
Monstera
25%
All dicot plants
Adventitious roots develop from
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9%
Radical
3%
Embryo
86%
Any plant part other than radical
2%
Plumule
Root hairs develop from the region of
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78%
Maturation
8%
Elongation
6%
Root cap
7%
Meristematic activity
Prop roots are hanging structures found in
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9%
Rhizophora
85%
Banyan tree
5%
Sugarcane
1%
Maize
In any chemical reaction, equilibrium is supposed to be established when
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5%
Mutual opposite reactions undergo
55%
Concentration of reactants and resulting products are equal
37%
Velocity of mutual reactions become equal
3%
The temperature of mutual opposite reactions become equal
In a chemical equilibrium A + B ⇌ C + D, when one mole each of the two reactants are mixed,
0.6 mole each of the products are formed. The equilibrium constant calculated is
0.6 mole each of the products are formed. The equilibrium constant calculated is
Anonymous Quiz
9%
1 N
41%
0.36
47%
2.25
3%
4/9
A reaction is A + B ⇌ C + D. Initially we start with equal concentration of A and B. At equilibrium we find the moles of C is two times of A. What is the equilibrium constant of the
reaction
reaction
Anonymous Quiz
45%
4
25%
2
16%
1/4
13%
1/2
A reversible chemical reaction having two reactants in equilibrium. If the concentrations of the reactants are doubled, then the equilibrium constant will
Anonymous Quiz
3%
Also be doubled
11%
Be Halved
16%
Become one-fourth
69%
Remain the same
The equilibrium constant in a reversible reaction at a given temperature
Anonymous Quiz
9%
Depends on the initial concentration of the reactants
23%
Depends on the concentration of the products at equilibrium
56%
Does not depend on the initial concentrations
12%
It is not characteristic of the reaction