Chemistry-
General
Easy
Question
Assertion : First law of thermodynamics is not adequate in predicting the direction of a process
Reason : Total energy of universe is constant.
- If both (A) and (R) are true, and (R) is the correct explanation of (A).
- If both (A) and (R) are true but (R) is not the correct explanation of (A).
- If (A) is true but (R) is false.
- If (A) is false but (R) is true.
The correct answer is: If both (A) and (R) are true but (R) is not the correct explanation of (A).
If both (A) and (R) are true but (R) is not the correct explanation of (A).
Related Questions to study
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Which one of the following pairs is mismatched?
Which one of the following pairs is mismatched?
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Statement 1: Libriformfibres are true fibres.
Statement 2: Libriformfibres develop from non-functional tracheids by reduction.
Statement 1: Libriformfibres are true fibres.
Statement 2: Libriformfibres develop from non-functional tracheids by reduction.
botanyGeneral
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Statement 1: In collateral vascular bundles, the phloem is situated towards inner side.
Statement 2:In monocot stem, cambium is present.
Statement 1: In collateral vascular bundles, the phloem is situated towards inner side.
Statement 2:In monocot stem, cambium is present.
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Statement 1: Many organs of aquatic plants float in water.
Statement 2: Large air gaps are present in the collenchyma tissues of lotus leaf.
Statement 1: Many organs of aquatic plants float in water.
Statement 2: Large air gaps are present in the collenchyma tissues of lotus leaf.
botanyGeneral
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Statement 1: Apical and intercalary meristems contribute to the growth in length while the lateral meristems bring an increase in girth in maize.
Statement 2: Apical and intercalary meristems always increase the height of plants.
Statement 1: Apical and intercalary meristems contribute to the growth in length while the lateral meristems bring an increase in girth in maize.
Statement 2: Apical and intercalary meristems always increase the height of plants.
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Statement 1: All the endodermal cells of the root do not contain Casparian thickenings on their radial and transverse walls.
Statement 2: Passage cells are found in the root endodermis.
Statement 1: All the endodermal cells of the root do not contain Casparian thickenings on their radial and transverse walls.
Statement 2: Passage cells are found in the root endodermis.
botanyGeneral
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Statement 1: The quiescent centre acts as a reservoir of relatively resistant cells, which constitute a permanent source of active initials.
Statement 2: The cells of the inactive region of the quiescent centre become active when the previous active initials get damaged.
Statement 1: The quiescent centre acts as a reservoir of relatively resistant cells, which constitute a permanent source of active initials.
Statement 2: The cells of the inactive region of the quiescent centre become active when the previous active initials get damaged.
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Statement 1: In a vessel, septa among the adjoining cells get dissolved.
Statement 2: Companion cells are a component of phloem.
Statement 1: In a vessel, septa among the adjoining cells get dissolved.
Statement 2: Companion cells are a component of phloem.
botanyGeneral
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.…A… are structures present in the epidermis of leaves. They regulate process of transpiration and …B… exchange. It is composed of two bean-shaped cells known as …C… cells.
Choose the correct combination of A, B and C from the following options
.…A… are structures present in the epidermis of leaves. They regulate process of transpiration and …B… exchange. It is composed of two bean-shaped cells known as …C… cells.
Choose the correct combination of A, B and C from the following options
botanyGeneral
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In which of the following, there is no differentiation of bark, sapwood and heartwood?
In which of the following, there is no differentiation of bark, sapwood and heartwood?
botanyGeneral
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.Ground tissue does not include
I) epidermis
II) vascular bundle
III) sclerenchyma
IV) collenchyma
V) parenchyma
Select the right combination from the above given options
.Ground tissue does not include
I) epidermis
II) vascular bundle
III) sclerenchyma
IV) collenchyma
V) parenchyma
Select the right combination from the above given options
botanyGeneral
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.Continuous ring of cambium is formed by
.Continuous ring of cambium is formed by
botanyGeneral
botany
Phloem conducts food by
Phloem conducts food by
botanyGeneral
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.In leaves, the ground tissues consists of
.In leaves, the ground tissues consists of
botanyGeneral
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.Which of the following statements are not true?
I). Cork cambium is otherwise called phellogen.
II).Cork is otherwise called phellem.
III).Secondary cortex is otherwise called periderm.
IV). Cork cambium, cork and secondary cortex are collectively called phelloderm
.Which of the following statements are not true?
I). Cork cambium is otherwise called phellogen.
II).Cork is otherwise called phellem.
III).Secondary cortex is otherwise called periderm.
IV). Cork cambium, cork and secondary cortex are collectively called phelloderm
botanyGeneral
