(Science) ISC Class 11 - CISCE Question Bank Solutions

Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong:

Lumen, muscular tissue, connective tissue, pericardium

Pyruvate undergoes oxidative decarboxylation to produce _____________.

(a) 2-PGA

(b) α-Ketoglutarate

(c) Succinyl-Co-A

(d) Acetyl-Co-A

Explain beneficial nutrients with example

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

Sketch and label the ‘Ultrastructure of Chloroplast’.

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

Answer briefly the following questions:

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

Answer the following question:

What is a Dictaphone?

With reference to the Post Office, expand the following:

 VPP

With reference to the Post Office, expand the following:

PIN

Answer briefly the following questions:

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

Briefly explain four advantages of the following: Telefax

Answer the following question:

How does a business reply card help a business concern?

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

Answer briefly the following questions:

What is meant by outsourcing?

Answer briefly the following questions:

Expand the following : KPO

Aggregate supply is equal to ______.

What is meant by Equilibrium income?

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