Question

Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with Components.

(i) Cristae of mitochondria

(ii) Inner membrane of mitochondrion

(iii) Cytoplasm

(iv) SER

(v) RER

(vi) Mitochondrial matrix

(vii) Cell vacuole

(viii) Nucleus

The correct components are

A B C D

• A. (i) (iv)(viii) (vi)
• B. (v) (iv)(viii) (iii)
• C. (v) (i) (iii) (ii)
• D. (vi) (v) (iv) (vii)

Answer 1

The correct option is B

(v) (iv)(viii) (iii)

A - Rough endoplasmic reticulum - Flattened, unbranched sac-like elements which bind ribosomes on their outer surface are called rough endoplasmic reticulum.

B - Smooth endoplasmic reticulum - Flattened, branched elements without ribosomes are called smooth endoplasmic reticulum.

C - Nucleus - It is the most important organelle for the survival and multiplication of cells.

D- Cytoplasm - The fluid-like substance present between the cytoplasm and the nucleus of a cell is called cytoplasm.