1
AP EAPCET 2025 - 21st May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The structure of the nitrogen containing heterocyclic base given below represents

AP EAPCET 2025 - 21st May Evening Shift Chemistry - Biomolecules Question 17 English
A

thymine

B

adenine

C

cytosine

D

uracil

2
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

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

3
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

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 $15-20 \%$.

4
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

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

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