Q. No.The curve given below shows enzymatic activity with relation to three conditions (pH, temperature and substrate concentration) what do the two axis (X and Y) represent?
X-axis
Y-axis
(a)
Temperature
Enzyme activity
(b)
Substrate concentration
Enzyme activity
(c)
Enzyme activity
Temperature
(d)
Enzyme activity
pH
1. (a)
2. (b)
3. (c)
4. (d)
|
X-axis |
Y-axis |
|
|
(a) |
Temperature |
Enzyme activity |
|
(b) |
Substrate concentration |
Enzyme activity |
|
(c) |
Enzyme activity |
Temperature |
|
(d) |
Enzyme activity |
pH |
1. (a)
2. (b)
3. (c)
4. (d)
1. pythium
2. Xanthomonas
3. Pseudomonas
4. Saccharomyces
| (A) | Easily translocated |
| (B) | Chemically non-reactive |
| (C) | Easily digested by animals |
| (D) | Osmotically inactive |
| (E) | Synthesized during photosynthesis |
The useful properties are:
1. (B) and (C)
2. (B) and (D)
3. (A), (C), and (E)
4. (A) and (E)
A competitive inhibitor of succinic dehydrogenase is:
| 1. | malonate | 2. | oxaloacetate |
| 3. | α-ketoglutarate | 4. | malate |
The biological organisation starts with:
1. Submicroscopic molecular level
2. Cellular level
3. Organisms level
4. Atomic level
Which one of the following is a fat-soluble vitamin and its related deficiency disease?
1. Ascorbic acid - Scurvy
2. Retinol - Xerophthalmia
3. Cobalamine - Beri-Beri
4. Calciferol - Pellagra
Many elements are found in living organisms either free or in the form of compounds. Which one of the following is negligible in living organisms?
1. Silicon
2. Magnesium
3. Iron
4. Sodium
Which of the following represents uridylic acid?
1. Uracil + Ribose
2. Uridine + Phosphoric acid
3. Uracil + Phosphoric acid
4. Uridine + Ribose + Phosphoric acid
The statement "All biological catalysts are proteins" is no longer valid after the discovery of:
1. ribonuclease
2. ribozyme
3. RNAs
4. DNAs
Given below is the chemical formula of:
1. Palmitic acid
2. Glycerol
3. Galactose
4. Stearic acid
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