Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 11
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Question Bank Solutions for PUC Karnataka Science Class 11 - Department of Pre-University Education, Karnataka

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Pyruvate undergoes oxidative decarboxylation to produce _____________.

(a) 2-PGA

(b) α-Ketoglutarate

(c) Succinyl-Co-A

(d) Acetyl-Co-A

[14] Respiration in Plants
Chapter: [14] Respiration in Plants
Concept: Glycolysis

Give the diagrammatic representation of ETS

[14] Respiration in Plants
Chapter: [14] Respiration in Plants
Concept: Aerobic Respiration - Electron Transport System (Ets) and Oxidative Phosphorylation

Sketch and label the ‘Ultrastructure of Chloroplast’.

[13] Photosynthesis in Higher Plants
Chapter: [13] Photosynthesis in Higher Plants
Concept: Site of Photosynthesis

The reaction, CO(g) + 3H2(g) ↔ CH4(g) + H2O(g) is at equilibrium at 1300 K in a 1L flask. It also contains 0.30 mol of CO, 0.10 mol of H2 and 0.02 mol of H2O and an unknown amount of CH4 in the flask. Determine the concentration of CH4 in the mixture. The equilibrium constant, Kc for the reaction at the given temperature is 3.90.

[7] Equilibrium
Chapter: [7] Equilibrium
Concept: Law of Chemical Equilibrium and Equilibrium Constant

For the following bond cleavages, use curved-arrows to show the electron flow and classify each as homolysis or heterolysis. Identify reactive intermediate produced as free radical, carbocation and carbanion.

[12] Organic Chemistry - Some Basic Principles and Techniques
Chapter: [12] Organic Chemistry - Some Basic Principles and Techniques
Concept: Fundamental Concepts in Organic Reaction Mechanism > Fission of a Covalent Bond

For the following bond cleavages, use curved-arrows to show the electron flow and classify each as homolysis or heterolysis. Identify reactive intermediate produced as free radical, carbocation and carbanion.

[12] Organic Chemistry - Some Basic Principles and Techniques
Chapter: [12] Organic Chemistry - Some Basic Principles and Techniques
Concept: Fundamental Concepts in Organic Reaction Mechanism > Fission of a Covalent Bond

Why do elements in the same group have similar physical and chemical properties?

[3] Classification of Elements and Periodicity in Properties
Chapter: [3] Classification of Elements and Periodicity in Properties
Concept: Periodic Trends in Chemical Properties of Elements > Periodicity of Valence Or Oxidation States

Suppose, the electron in a hydrogen atom makes transition from n = 3 to n = 2 in 10−8 s. The order of the torque acting on the electron in this period, using the relation between torque and angular momentum as discussed in the chapter on rotational mechanics is

[2] Structure of Atom
Chapter: [2] Structure of Atom
Concept: Bohr'S Model for Hydrogen Atom

Which of the following are sets? Justify our answer.

The collection of all months of a year beginning with the letter J.

[1.03] Sets
Chapter: [1.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

The collection of ten most talented writers of India.

[1.03] Sets
Chapter: [1.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

A team of eleven best-cricket batsmen of the world.

[1.03] Sets
Chapter: [1.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

The collection of all boys in your class.

[1.03] Sets
Chapter: [1.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

The collection of all natural numbers less than 100.

[1.03] Sets
Chapter: [1.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

A collection of novels written by the writer Munshi Prem Chand.

[1.03] Sets
Chapter: [1.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

The collection of all even integers.

[1.03] Sets
Chapter: [1.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

The collection of questions in this Chapter.

[1.03] Sets
Chapter: [1.03] Sets
Concept: Sets and Their Representations

Which of the following are sets? Justify our answer.

A collection of most dangerous animals of the world.

[1.03] Sets
Chapter: [1.03] Sets
Concept: Sets and Their Representations

Let A = {1, 2, 3, 4, 5, 6}. Insert the appropriate symbol ∈or ∉ in the blank space:

5…A

[1.03] Sets
Chapter: [1.03] Sets
Concept: Sets and Their Representations

Write the following sets in roster form: A = {xx is an integer and –3 < < 7}.

[1.03] Sets
Chapter: [1.03] Sets
Concept: Sets and Their Representations

Write the following sets in roster form:

B = {xx is a natural number less than 6}.

[1.03] Sets
Chapter: [1.03] Sets
Concept: Sets and Their Representations
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