Study the following graph of concept of activation energy given below. Select the correct option for stages labelled A to D.
A
B
C
D
1
Transition State
Potential energy
Activation energy without enzyme
Activation energy with enzyme
2
Kinetic energy
Potential energy
Activation energy without enzyme
Activation energy with enzyme
3
Potential energy
Transition state
Activation energy without enzyme
Activation energy with enzyme
4
Potential energy
Transition state
Activation energy without enzyme
Activation energy with enzyme
Subtopic: Enzyme Catalysis |
76%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Enzymes work at optimum temperature. Over a rang 0 - 40oC, what would happen to the rate of enzyme controlled reactions for every 10oC rise in temperature?
1. The rate doubles itself
2. Decreases by half
3. No effect
4. First increases then decreases
1. The rate doubles itself
2. Decreases by half
3. No effect
4. First increases then decreases
Subtopic: Factors Affecting Enzyme Catalysis Reaction |
61%
Please attempt this question first.
Hints
Sugar that converts \(Cu^{2+} \rightarrow Cu^+\) during Benedict's test in not
1. Sucrose
2. Glucose
3. Fructose
4. Ribose
1. Sucrose
2. Glucose
3. Fructose
4. Ribose
Subtopic: Carbohydrates: Introduction |
52%
Please attempt this question first.
Hints
You isolate an unidentified liquid ‘X' from a sample of beans. You add the liquid ‘X' to a beaker of water and shake it vigorously. After few minutes, water and the liquid ‘X' get separated into two layers where ‘X' floats on water. The unknown liquid ‘X' is most likely to be a/an
1. Enzyme
2. Protein
3. Lipid
4. Carbohydrate
1. Enzyme
2. Protein
3. Lipid
4. Carbohydrate
Subtopic: Lipids |
76%
Please attempt this question first.
Hints
When a substrate binds to the active site of the enzyme, the altered structure of the substrate released by enzyme is called
1. Product
2. Transition state
3. Enzyme-substrate complex
4. Enzyme-product complex
1. Product
2. Transition state
3. Enzyme-substrate complex
4. Enzyme-product complex
Subtopic: Enzymes |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Abrin and ricin are classified under which category of secondary metabolites?
1. Alkaloids
2. Drugs
3. Pigments
4. Toxins
1. Alkaloids
2. Drugs
3. Pigments
4. Toxins
Subtopic: Primary & Secondary Metabolites |
85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Most structural proteins are
1. Globular
2. Fibrous
3. Both (1) and (2)
4. Left-handedly coiled
1. Globular
2. Fibrous
3. Both (1) and (2)
4. Left-handedly coiled
Subtopic: Proteins |
Please attempt this question first.
Hints
Match columns I and II.
Choose the correct option.
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(iii), c(iv), d(i)
3. a(iii), b(iv), c(i), d(ii)
4. a(iv), b(i), c(ii), d(iii)
| Column I | Column II | |
| a | Trypsin | Hydrolyeses peptide bond |
| b | Cellulose | Unbranched polymer with -1,4 glycosidic linkages |
| c | Collagen | Most abundant protein in the animal world |
| d | Glut-4 | Enables glucose transport into cells |
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(iii), c(iv), d(i)
3. a(iii), b(iv), c(i), d(ii)
4. a(iv), b(i), c(ii), d(iii)
Subtopic: Proteins | Carbohydrates: Starch & Glycogen | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
85%
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Amino Acids |
60%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Glycogen on hydrolysis yields
1. Glucose and maltose
2. Glucose and fructose
3. Lactose and glucose
4. Only glucose
1. Glucose and maltose
2. Glucose and fructose
3. Lactose and glucose
4. Only glucose
Subtopic: Carbohydrates: Starch & Glycogen |
66%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
© 2024 GoodEd Technologies Pvt. Ltd.