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Question Bank Solutions for ISC (Science) Class 11 - CISCE

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Pyruvate undergoes oxidative decarboxylation to produce _____________.

(a) 2-PGA

(b) α-Ketoglutarate

(c) Succinyl-Co-A

(d) Acetyl-Co-A

[4.04] Respiration in Plants
Chapter: [4.04] Respiration in Plants
Concept: Phases of Respiration: Glycolysis

Explain beneficial nutrients with example

[4.02] Mineral Nutrition
Chapter: [4.02] Mineral Nutrition
Concept: Essential Mineral Elements > Criteria for Essentiality

Fill in the gaps:  Ascending limb of Henle’s loop is ____________to water whereas the descending limb is___________to it.

[5.04] Excretory Products and Their Elimination
Chapter: [5.04] Excretory Products and Their Elimination
Concept: Human Excretory System

Sketch and label the ‘Ultrastructure of Chloroplast’.

[4.03] Photosynthesis in Higher Plants
Chapter: [4.03] Photosynthesis in Higher Plants
Concept: Site of Photosynthesis

With the help of well-labelled diagrams, describe the process of plasmolysis in plants, giving appropriate examples.

[4.01] Transport in Plants
Chapter: [4.01] Transport in Plants
Concept: Means of Transport in Plants > Turgidity and Flaccidity (Plasmolysis)

Answer briefly the following questions:

State any two benefits of e-business to the buyers.

[4] Emerging Modes of Business
Chapter: [4] Emerging Modes of Business
Concept: Concept of E-business

Answer the following question:

What is a Dictaphone?

[4] Emerging Modes of Business
Chapter: [4] Emerging Modes of Business
Concept: Concept of E-business

With reference to the Post Office, expand the following:

 VPP

[4] Emerging Modes of Business
Chapter: [4] Emerging Modes of Business
Concept: Concept of E-business

With reference to the Post Office, expand the following:

PIN

[4] Emerging Modes of Business
Chapter: [4] Emerging Modes of Business
Concept: Concept of E-business

Answer briefly the following questions:

With reference to post office services, write the expanded forms of:
(a) RMS
(b)TMO

[4] Emerging Modes of Business
Chapter: [4] Emerging Modes of Business
Concept: Concept of E-business

Briefly explain four advantages of the following: Telefax

[4] Emerging Modes of Business
Chapter: [4] Emerging Modes of Business
Concept: Concept of E-business

Answer the following question:

How does a business reply card help a business concern?

[4] Emerging Modes of Business
Chapter: [4] Emerging Modes of Business
Concept: Concept of E-business

Explain the Post Box Service provided by Post Office. State any two advantages to the organisation which uses this service.

[4] Emerging Modes of Business
Chapter: [4] Emerging Modes of Business
Concept: Concept of E-business

Answer briefly the following questions:

What is meant by outsourcing?

[4] Emerging Modes of Business
Chapter: [4] Emerging Modes of Business
Concept: Concept of Outsourcing

Answer briefly the following questions:

Expand the following : KPO

[4] Emerging Modes of Business
Chapter: [4] Emerging Modes of Business
Concept: Knowledge Process Outsourcing (KPO)

Aggregate supply is equal to ______.

[1] Understanding Economics
Chapter: [1] Understanding Economics
Concept: Concept of Aggregate Demand and Aggregate Supply

What is meant by Equilibrium income?

[1] Understanding Economics
Chapter: [1] Understanding Economics
Concept: Concept of Aggregate Demand and Aggregate Supply

Prove the following by using the principle of mathematical induction for all n ∈ N

`(1+ 1/1)(1+ 1/2)(1+ 1/3)...(1+ 1/n) = (n + 1)`

[2.01] Principle of Mathematical Induction
Chapter: [2.01] Principle of Mathematical Induction
Concept: Principle of Mathematical Induction

If the function `f(x) = sqrt(2x - 3)` is invertible then find its inverse. Hence prove that `(fof^(-1))(x) = x`

[1.02] Relations and Functions
Chapter: [1.02] Relations and Functions
Concept: Types of Functions

It is often said that the world is witnessing now a second industrial revolution, which will transform the society as radically as did the first. List some key contemporary areas of science and technology, which are responsible for this revolution.

[1] Physical World and Measurement
Chapter: [1] Physical World and Measurement
Concept: Physics Related to Technology and Society
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