Question 1: Palette 1/49

AP-EAPCET 2025 MCQ

Which of the following do not reduce Tollen's reagent?

(A) Fructose

(B) Sucrose

(C) Lactose

(D) Cellulose

A

A, B

B

B, D

C

A, C

D

C, D

Question 2: Palette 2/49

AP-EAPCET 2025 MCQ

Consider the following

Statement-I Lysine, arginine are essential and basic amino acids.

Statement-II Leucine, phenylalanine are non essential and neutral amino acids.

Correct answer is

A

Both statement-I and statement-II are correct.

B

Both statement-I and statement-II are not correct.

C

Statement-I is correct, but statement-II is not correct.

D

Statement-I is not correct, but statement-II is correct.

Question 3: Palette 3/49

AP-EAPCET 2025 MCQ

Which of the following represents the correct structure of $\beta-D-(-)$ - fructofuranose?

A

B

C

D

Question 4: Palette 4/49

AP-EAPCET 2025 MCQ

Which of the following statement is not correct for glucose?

A

Glucose does not give Schiff's test.

B

Glucose exists in two crystalline forms $\alpha$ - and $\beta$ -

C

The pentaacetate of glucose does not react with $\mathrm{NH}_2 \mathrm{OH}$.

D

Glucose forms addition product with $\mathrm{NaHSO}_3$.

Question 5: Palette 5/49

AP-EAPCET 2025 MCQ

Which of the following enzymatic reaction is not correctly matched with enzyme shown against it in brackets?

A

Proteins → Peptides (pepsin)

B

Starch → Maltose (Zymase)

C

Sucrose → Glucose and Fructose (Invertase)

D

Maltose → Glucose (Maltase)

Question 6: Palette 6/49

AP-EAPCET 2025 MCQ

Identify the essential amino acids from the following

I. Leucine

II. Tyrosine

III. Cysteine

IV. Histidine

A

I and II only

B

II and III only

C

II and IV only

D

I and IV only

Question 7: Palette 7/49

AP-EAPCET 2025 MCQ

$ \text { Which of the following represents nucleoside of RNA? } $

A

B

C

D

Question 8: Palette 8/49

AP-EAPCET 2025 MCQ

$ \text { Match the following } $

List-I (Glycosidic linkage)		List-II (Polysaccharide)
(A)	$ \alpha-1,4 $	(I)	Amylose
(B)	$ \beta-1,4 $	(II)	Amylopectin
(C)	$ \alpha-1,4, \alpha-1,6 $	(III)	Cellulose

A

A-II, B-I, C-III

B

A-III, B-I, C-II

C

A-I, B-II, C-III

D

A-I, B-III, C-II

Question 9: Palette 9/49

AP-EAPCET 2025 MCQ

The list given below contains essential amino acids that are basic $(X)$ and also non essential amino acids that are neutral $(Y) . X$ and $Y$, respectively are

I. Lysine

II. Alanine

III. Serine

IV. Arginine

V. Tyrosine

A

$X=$ II, III, IV; $Y=$ I, IV

B

$X=I, I V ; Y=I I, I I I, V$

C

$X=I$, III; $Y=I I$, IV, V

D

$X=\mathrm{I}, \mathrm{II}, \mathrm{III} ; Y=\mathrm{IV}, \mathrm{V}$

Question 10: Palette 10/49

AP-EAPCET 2025 MCQ

Consider the following

Statement-I : Cane sugar is a disaccharide of $\alpha$-D-glucose and $\beta$-D-fructose.

Statement-II : Milk sugar is a disaccharide of $\alpha$-D-glucose and $\beta$-D-galactose.

The correct answer is

A

Both statement-I and statement-II are correct.

B

Both statement-I and statement-II are not correct.

C

Statement-I is correct, but statement-II is not correct.

D

Statement-I is not correct, but statement-II is correct.

Question 11: Palette 11/49

AP-EAPCET 2025 MCQ

The deficiency of vitamin $(X)$ causes convulsions. Source of $X$ is $Y$. What are $X$ and $Y$ ?

A

Riboflavin, milk

B

Riboflavin, fish

C

Pyridoxine, curd

D

Pyridoxine, cereals

Question 12: Palette 12/49

AP-EAPCET 2025 MCQ

Consider the following

Statement-I Primary structure of protein represents its constitution.

Statement-II $\alpha$-Helix and $\beta$-pleated sheet structure of protein represent tertiary structure of it.

Correct answer is

A

Both statement-I and statement-II are correct

B

Both statement-I and statement-II are not correct

C

Statement-I is correct, but statement-II is not correct

D

Statement-I is not correct, but statement-II is correct

Question 13: Palette 13/49

AP-EAPCET 2025 MCQ

Consider the following.

Statement I : Lactose is composed of $\alpha$ - $D$-glucose and $\beta$-D-glucose.

Statement II : Lactose is a reducing sugar.

A

Both Statement I and Statement II are not correct.

B

Both Statement I and Statement II are correct.

C

Statement I is correct, but Statement II is not correct.

D

Statement I is not correct, but Statement II is correct.

Question 14: Palette 14/49

AP-EAPCET 2025 MCQ

$ \text { Match the following. } $

List-I (Hormones)		List-II (Functions)
A.	Glucocorticoids	I.	In the control of menstrual cycle
B.	Mineralocorticoids	II.	Prepares the uterus for implantation of fertilised egg
C.	Progesterone	III.	Control the level of excretion of water and salt by the kidneys
D.	Estradiol	IV	Control the carbohydrate metabolism

A

A-II, B-III, C-IV, D-I

B

A-IV, B-I, C-II, D-III

C

A-IV, B-III, C-II, D-I

D

A-IV, B-I, C-III, D-II

Question 15: Palette 15/49

AP-EAPCET 2025 MCQ

Which of the following contain $\alpha$-D-glucose units?

I. Cane sugar

II. Milk sugar

III. Cellulose

IV. Amylose

A

I, IV

B

I, II

C

II, III

D

III, IV

Question 16: Palette 16/49

AP-EAPCET 2025 MCQ

Identify the set containing purine and pyrimidine base of DNA respectively.

A

Adenine, Uracil

B

Cytosine, Guanine

C

Thymine, Uracil

D

Adenine, Cytosine

Question 17: Palette 17/49

AP-EAPCET 2025 MCQ

The structure of the nitrogen containing heterocyclic base given below represents

A

thymine

B

adenine

C

cytosine

D

uracil

Question 18: Palette 18/49

AP-EAPCET 2025 MCQ

Observe the following reactions

I. Sucrose $(a q)+\mathrm{H}_2 \mathrm{O} \xrightarrow{x}$ glucose + fructose

II. Glucose $(a q) \xrightarrow{y}$ ethanol $+\mathrm{CO}_2$

What are $x$ and $y$ respectively?

A

Invertase, Zymase

B

Zymase, Diastase

C

Diastase, Zymase

D

Diastase, Invertase

Question 19: Palette 19/49

AP-EAPCET 2025 MCQ

The incorrect statement about amylose is

A

it is water soluble.

B

in this $\alpha-\mathrm{D}-(+)$-glucose units are held by $\mathrm{C}-1$ to $\mathrm{C}-4$ glycosidic linkages.

C

it is highly branched polymer of $\alpha-\mathrm{D}-(+)$-glucose units.

D

it is present in strach to an extent of $15-20 \%$.

Question 20: Palette 20/49

AP-EAPCET 2025 MCQ

The improper functioning of ' $X$ ' results in Addison's disease. Hormone ' $Y$ ' is responsible for the development of secondary female characteristics. ' $X$ ' and ' $Y$ ' are respectively

A

adrenal cortex, estradiol

B

adrenal cortex, progesterone

C

thyroid, progesterone

D

thyroid, estradiol

Question 21: Palette 21/49

AP-EAPCET 2024 MCQ

Which of the following act as intracellular messengers?

A

Enzymes

B

Hormones

C

Receptors

D

Carrier proteins

Question 22: Palette 22/49

AP-EAPCET 2024 MCQ

The deficiency of vitamin $(x)$ causes beri beri and deficiency of vitamin $(y)$ causes convulsions. What are $x$ and $y$ respectively?

A

$B_2, B_{12}$

B

$B_2, B_6$

C

$B_1, B_{12}$

D

$B_1, B_6$

Question 23: Palette 23/49

AP-EAPCET 2024 MCQ

The number of -OH groups in open chain and ring structures of D-glucose are respectively

A

4,5

B

5,5

C

5,4

D

6,5

Question 24: Palette 24/49

AP-EAPCET 2024 MCQ

$ \text { Match List-I with List-II } $

List-I (Reaction)		List-II (Enzyme)
A.	Hydrolysis of starch to maltose	I	Diastase
B	Chalcogen	II	Pepsin
C	Hydrolysis of sucrose to glucose and fructose	III	Invertase
D	Glucose to ethanol	IV	Zymase

The correct answer is

A

A-III, B-II, C-I, D-IV

B

A-I, B-III, C-II, D-IV

C

A-IV, B-II, C-III, D-I

D

A-I, B-III, C-III, D-IV

Question 25: Palette 25/49

AP-EAPCET 2024 MCQ

Which of the following is not an essential amino acid ?

A

Lysine

B

Histidine

C

Glutamine

D

Methionine

Question 26: Palette 26/49

AP-EAPCET 2024 MCQ

Which one of the following is NOT a disaccharide?

A

Sucrose

B

Fructose

C

Maltose

D

Lactose

Question 27: Palette 27/49

AP-EAPCET 2024 MCQ

Which of the following molecules contain sulphur atom in their structures?

I. Morphine

II. Heroin

III, Penicillin

IV. Terpineol

V. Cimetidine

A

I, IV

B

III, III

C

III, V

D

IV, V

Question 28: Palette 28/49

AP-EAPCET 2024 MCQ

Identify the correctly matched set from the following.

A

Vitamin A - water soluble - xerophthalmia

B

Vitamin $\mathrm{B}_6$ - water soluble - scurvy

C

Vitamin D - fat soluble - rickets

D

Vitamin C - fat soluble - convulsions

Question 29: Palette 29/49

AP-EAPCET 2024 MCQ

Given below are two statements.

I. Cytosine and guanine are formed in equal quantities in DNA hydrolysis.

II. Adenine and uracil are formed in equal quantities in RNA hydrolysis.

The correct answer is

A

Both Statement I and Statement II are correct.

B

Both Statement I and Statement II are incorrect.

C

Statement I is correct but Statement II is incorrect.

D

Statement I is incorrect and Statement II is correct.

Question 30: Palette 30/49

AP-EAPCET 2024 MCQ

Which of the following structure of proteins represellis its constitution?

A

Secondary structure

B

Quaternary structure

C

Primary structure

D

Tertiary structure

Question 31: Palette 31/49

AP-EAPCET 2024 MCQ

Carrot and curd are sources for the vitamins repectively.

A

$A, B_{12}$

B

A. $\mathrm{B}_1$

C

E. Pyridoxine

D

E. Riboflavin

Question 32: Palette 32/49

AP-EAPCET 2024 MCQ

Which of the following represents simplified version of nucleoside?

A

Base - sugar - phosphate

B

Sugar - base

C

Sugar - Phosphate

D

Base - Phosphate

Question 33: Palette 33/49

AP-EAPCET 2024 MCQ

The number of essential and non-essential amino acids from the following list respectively is Val, Gly, Leu, Lys, Pro, Ser

A

5,1

B

4,2

C

2,4

D

3,3

Question 34: Palette 34/49

AP-EAPCET 2024 MCQ

The carbohydrate which does not react with ammonical $\mathrm{AgNO}_3$ solution is

A

sucrose

B

maltose

C

lactose

D

fructose

Question 35: Palette 35/49

AP-EAPCET 2024 MCQ

Identify the amino acid which has

A

alanine

B

arginine

C

asparagine

D

aspartic acid

Question 36: Palette 36/49

AP-EAPCET 2024 MCQ

Which of the following is an essential amino acid ?

A

B

C

D

Question 37: Palette 37/49

AP-EAPCET 2024 MCQ

Which of the following hormone is responsible for preparing uterus for implantation of fertilised eggs?

A

Estradiol

B

Progesterone

C

Testosterone

D

Thyroxin

Question 38: Palette 38/49

AP-EAPCET 2022 MCQ

Match the following

	List - I (Enzyme)		List - II (Reaction)
A.	Invertase	I.	Maltose $\rightarrow$ Glucose
B.	Pepsin	II.	Sucrose $\rightarrow$ Glucose + Fructose
C.	Diastase	III.	Proteins $\rightarrow$ Peptides
		IV.	Starch $\rightarrow$ Maltose

A

A-IV, B-I, C-III

B

A-I, B-III, C-II

C

A-II, B-III, C-IV

D

A-II, B-IV, C-III

Question 39: Palette 39/49

AP-EAPCET 2022 MCQ

Carbohydrates are stored in plants and animals in which of the following forms respectively?

A

Glycogen, starch

B

Glycogen, glycogen

C

Starch, starch

D

Starch, glycogen

Question 40: Palette 40/49

AP-EAPCET 2022 MCQ

Glycylalanine is a dipeptide of which amino acids?

A

B

C

D

Question 41: Palette 41/49

AP-EAPCET 2022 MCQ

Pernicious anemia is caused due to deficiency of which vitamin ?

A

B12

B

B1

C

B6

D

B2

Question 42: Palette 42/49

AP-EAPCET 2022 MCQ

Which of the following vitamins cannot be stored in the body?

A

A

B

C

C

E

D

K

Question 43: Palette 43/49

AP-EAPCET 2022 MCQ

Which hormone tends to increase the blood glucose level in human?

A

Insulin

B

Glucagon

C

Epinephrine

D

Estrogen

Question 44: Palette 44/49

AP-EAPCET 2022 MCQ

Which of the following molecules is eliminated during peptide bond formation?

A

$\mathrm{H}_2 \mathrm{O}$

B

$\mathrm{NH}_3$

C

$\mathrm{CH}_3 \mathrm{OH}$

D

$\mathrm{CO}_2$

Question 45: Palette 45/49

AP-EAPCET 2021 MCQ

The human body does not produce

A

enzymes

B

DNA

C

vitamines

D

hormones

Question 46: Palette 46/49

AP-EAPCET 2021 MCQ

Vitamin-B$_1$ is

A

riboflavin

B

cobalamine

C

thiamine

D

pyridoxine

Question 47: Palette 47/49

AP-EAPCET 2021 MCQ

Assertion (A) An optically active amino acid can exist in three forms depending on the pH of the solution.

Reason (R) Amino acids contain both acidic and basic groups, they exist as Zwitter ion in aq. medium, anionic form in acidic medium and cationic form in basic medium.

A

A and R are correct and R is the correct explanation for A.

B

A and R are correct but R is not the correct explanation for A.

C

A is correct but R is incorrect.

D

A is incorrect but R is correct.

Question 48: Palette 48/49

AP-EAPCET 2021 MCQ

Identify the product of the following reaction.

A

Fructose

B

Glucose

C

Lactose

D

Maltose

Question 49: Palette 49/49

AP-EAPCET 2021 MCQ

During the action of enzyme ‘zymase’ glucose is converted into .............., with the liberation of carbon dioxide gas.

A

phenol

B

ethanol

C

methanol

D

isopropyl alcohol