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Biomolecules PYQ — Page 3

NEET UG Botany — Biomolecules previous year questions with solutions.

All Biomolecules Questions (88)

A healthy person eats the following diet$5 \mathrm{gm}$ raw sugar, $4 \mathrm{gm}$ albumin, $10 \mathrm{gm}$ pure buffalo ghee adultrated with $2 \mathrm{gm}$ vegetable ghee (hydrogenated vegetable oil) and $5 \mathrm{gm}$ lignin. How many calories he is likely to get?

2013
hard
mcq

Macromolecule chitin is

2013
easy
mcq

The figure shows a hypothetical tetrapeptide portion with parts labelled a-d. Which is the correct option? ![NEET 2013 Botany, Biomolecules (B) — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Botany/images/Biomolecules_B/66bcbf17ae81d148616b1e8a/question_1__q_66bcbf17ae81d148616b1e8a__cdn-question-pool.getmarks.app__UMc_xyT4STn5_Q9L3HxXdCvVleibjTamSvcJ7tQppJY.original.fullsiz__e07725a0d9_final_ppt_sync.png)

2013
hard
mcq

A phosphoglyceride is always made up of

2013
easy
mcq

Transition state structure of the substrate formed during an enzymatic reaction is

2013
medium
mcq

The essential chemical components of many coenzymes are

2013
medium
mcq

Which one is the most abundant protein in the animal world?

2012
medium
mcq

Which one out of A-D given below correctly represents the structural formula of the basic amino acid? ![NEET 2012 Botany, Biomolecules (B) — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Botany/images/Biomolecules_B/66bcbeeaae81d148616b1d20/question_1__q_66bcbeeaae81d148616b1d20__cdn-question-pool.getmarks.app__zBTaCshYRwKKglsBGdnrOSyA_hb4sqvM0Q4crOvZImY.original.fullsiz__47245b79b6_final_ppt_sync.png)

2012
hard
mcq

Which one of the following biomolecules is correctly characterised?

2012
medium
mcq

Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one blank component $X$ in it ![NEET 2012 Botany, Biomolecules (B) — question figure 1](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Botany/images/Biomolecules_B/66bcbeeaae81d148616b1d1e/question_1__q_66bcbeeaae81d148616b1d1e__cdn-question-pool.getmarks.app__7KEBxIvUcObUANOvmz-AE8Ny5LXmpCAsIRbrL-oKzyU.original.fullsiz__58ac08e054_final_ppt_sync.png) ![NEET 2012 Botany, Biomolecules (B) — question figure 2](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Botany/images/Biomolecules_B/66bcbeeaae81d148616b1d1e/question_2__q_66bcbeeaae81d148616b1d1e__cdn-question-pool.getmarks.app__5gmX0Vej2ogBCE2OecpGEPJTcNI6nMzM1bhjFEUoUxA.original.fullsiz__3a0a6a5426_final_ppt_sync.png)

2012
easy
mcq

Which one of the following structural formulae of two organic compounds is correctly identified along with its related function? ![NEET 2011 Botany, Biomolecules (B) — question figure 1](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Botany/images/Biomolecules_B/66bcbec1ae81d148616b1bd6/question_1__q_66bcbec1ae81d148616b1bd6__cdn-question-pool.getmarks.app__32zKABi6yx96oDd0CB2cPjWpB8lGkpM4bfcukRXrLns.original.fullsiz__d099dad049_final_ppt_sync.png) ![NEET 2011 Botany, Biomolecules (B) — question figure 2](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Botany/images/Biomolecules_B/66bcbec1ae81d148616b1bd6/question_2__q_66bcbec1ae81d148616b1bd6__cdn-question-pool.getmarks.app__uWBEgcHsgc_MQHKWNv7OVXX7Zjq49P05lzpIQk0PIS0.original.fullsiz__506994624b_final_ppt_sync.png)

2011
medium
mcq

The curve given below shows enzymatic activity with relation to three conditions ( $\mathrm{pH}$, temperature and substrate concentration) What do the two axises ( $X$ and $Y$ ) represent? ![NEET 2011 Botany, Biomolecules (B) — question figure 1](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Botany/images/Biomolecules_B/66bcbec1ae81d148616b1bd7/question_1__q_66bcbec1ae81d148616b1bd7__cdn-question-pool.getmarks.app__8BnviQkVloSapqfl3DaZPNPFOHAw6B4Y_AXzlpi9ARI.original.fullsiz__f575091693_final_ppt_sync.png) ![NEET 2011 Botany, Biomolecules (B) — question figure 2](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Botany/images/Biomolecules_B/66bcbec1ae81d148616b1bd7/question_2__q_66bcbec1ae81d148616b1bd7__cdn-question-pool.getmarks.app__5bEsyYRnbY6lFELeIMiQyvU2ZVf3awogFWvHJWLPtCo.original.fullsiz__b33f95ea3c_final_ppt_sync.png)

2011
medium
mcq

Three of the following statements about enzymes are correct and one is wrong. Which one is wrong?

2010
medium
mcq

The figure given below shows the conversion of a substrate into product by an enzyme. In which one of the four options (a-d), the components of reaction labelled as $A, B, C$ and $D$ are identified correctly? ![NEET 2010 Botany, Biomolecules (B) — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Botany/images/Biomolecules_B/66bcbe83ae81d148616b19eb/question_1__q_66bcbe83ae81d148616b19eb__cdn-question-pool.getmarks.app__XqBnHyNltNy-rVhFswFPkpAsaWnUu3jtsJA8hG84bTU.original.fullsiz__a177d92445_final_ppt_sync.png)$\begin{array}{|c|c|c|c|c|} \hline & A & B & C & D \\ \hline \text{(a)} & \text{Potential energy} & \text{Transition state} & \text{Activation energy with enzyme} & \text{Activation energy without enzyme} \\ \hline \text{(b)} & \text{Transition energy} & \text{Potential energy} & \text{Activation energy without enzyme} & \text{Activation energy with enzyme} \\ \hline \text{(c)} & \text{Potential energy} & \text{Transition state} & \text{Activation energy with enzyme} & \text{Activation energy without enzyme} \\ \hline \text{(d)} & \text{Activation energy with enzyme} & \text{Transition state} & \text{Activation energy without enzyme} & \text{Potential energy} \\ \hline \end{array}$

2010
easy
mcq

Which one of the following pair of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it?

2008
medium
mcq

A competitive inhibitor of succinic dehydrogenase is

2008
medium
mcq

Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starch (a - e) make it useful as a storage material? a. Easily translocated b. Chemical non-reactive c. Easily digested by animals d. Osmotically inactive e. Synthesized during photosynthesis The useful properties are

2008
medium
mcq

A competitive inhibitor of succinic dehydrogenase is

2008
easy
mcq

Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starch (A-E) make it useful as a storage material? (A) Easily translocated (B) Chemically non-reactive (C) Easily digested by animals (D) Osmotically inactive (E) Synthesized during photosynthesis The useful properties are

2008
medium
mcq

Modern detergents contain enzyme preparations of

2008
easy
mcq

Which one of the following is a fatsoluble vitamin and its related deficiency disease?

2007
easy
mcq

One gene- one enzyme relationship was established for the first time in:

2007
easy
mcq

An enzyme that can stimulate germination of barley seeds is:

2006
easy
mcq

An organic substance bound to an enzyme and essential for its activity is called:

2006
easy
mcq