Match the items in column I with items in column II and choose the correct answer
(A) A - 4, B - 3, C - 1, D - 2
(B) A - 2, B - 3, C - 4, D - 1
(C) A - 3, B - 4, C - 1, D - 2
(D) A - 4, B - 1, C - 2, D - 3
Column I Column II

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Solution

A. Triglycerides - (4) fats stored in the form of droplets, they are neutral fatty acids, stored in the adipose cells. They are a rich source of energy as compared to carbohydrates and proteins
B. Membrane lipids - (3) Phospholipids - the bilayer of the cell membrane is made of linear arrangement of units made of a phospholipid head and fatty acyl tail.
C. Steroids - (1) Animal hormone - animal hormones like oestrogen, testosterone are derived from fats
D. Wax - (2) feathers and leaves - In aquatic birds like the duck, penguin etc a layer of wax coats their feathers to prevent them from drowning.
The leaves of the plants of dry or desert region are covered with a layer of wax to prevent the drying of the leaves because of evaporation
Example- Nerium

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Match the items of Column I with the items of Column II and assign the correct code.
$\begin{matrix} C o l u m n I & C o l u m n I I A . S a p p h i r e & 1. A l_{2} O_{3} B . S p h a l e r i t e & 2. N a C N C . D e p r e s s a n t & 3. C o D . C o r u n d u m & 4. Z n S 5. F e_{2} O_{3} \end{matrix}$
Codes
A B C D A B C D
(a) 3 4 2 1 (b) 5 4 3 2
(c) 2 3 4 5 (d) 1 2 3 4

Q. Match the polymers in Column I with their main uses in Column II and choose the correct answer:

\begin{matrix} C o l u m n I & C o l u m n I I A . P o l y s t y r e n e & 1. P a i n t s a n d l a c q u e r s B . G l y p t a l & 2. R a i n c o a t s C . P o l y v i n y l c h l o r i d e & M a n u f a c t u r e o f t o y s D . B a k e l i t e & C o m p u t e r d i s c s \end{matrix}

Q. Match column I to column II Column I Column II

A. Indole compounds	1. $K i n e t i n$
B. Adenine derivatives	2. $C_{2} H_{4}$
C. Derivatives of carotenoids	3. $I A A$
D. Terpenes	4. $G A_{3}$
E. Gases	5. $A B A$

Match the following columns.

$\begin{matrix} C o l u m n I & C o l u m n I I A . & Duodenum & 1. & A cartilaginous flap B . & Epiglottis & 2. & Small blind sac C . & Glottis & 3. & 'U' shaped structure emerging from the stomach. D . & Caecum & 4. & Opening of wind pipe. \end{matrix}$
Codes
(a) A-1, B-2, C-3, D-4 (b) A-4, B-3, C-2, D-1
(c) A-3, B-1, C-4, D-2 (d) A-2, B-4, C-1, D-3

Math the compounds given in column I with hybridization and shape in column II

Column I Column II

(A) $X e F_{6}$ (1) $s p^{3} d^{3}$ – distorted octahedral

(B) $X e O_{3}$ (2) $s p^{3} d^{2}$ – square planar

(D) $X e F_{4}$ (4) $s p^{3} d^{2}$ – square pyramidal

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Match the items in column I with items in column II and choose the correct answer(A) A - 4, B - 3, C - 1, D - 2(B) A - 2, B - 3, C - 4, D - 1 (C) A - 3, B - 4, C - 1, D - 2(D) A - 4, B - 1, C - 2, D - 3Column I Column II

Match the items in column I with items in column II and choose the correct answer
(A) A - 4, B - 3, C - 1, D - 2
(B) A - 2, B - 3, C - 4, D - 1
(C) A - 3, B - 4, C - 1, D - 2
(D) A - 4, B - 1, C - 2, D - 3
Column I Column II