A process that makes an important difference between C3 and C4 plants is:
1. Transpiration
2. Glycolysis
3. Photosynthesis
4. Photorespiration
PCR and Restriction Fragment Length Polymorphism are the methods for:
1. Study of enzymes
2. Genetic transformation
3. DNA sequencing
4. Genetic fingerprinting
Best defined function of manganese in green plants is :
1. Photolysis of water
2. Calvin cycle
3. Nitrogen fixation
4. Water absorption
Measuring Biochemical Oxygen Demand (BOD) is a method used for:
1. | Estimating the amount of organic matter in sewage water |
2. | Working out the efficiency of oil-driven automobile engines |
3. | Measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale |
4. | Working out the efficiency of RBCs about their capacity to carry oxygen |
Which one of the following is not part of a transcription unit in DNA?
1. The inducer
2. A Terminator
3. A promoter
4. The structural gene
A certain road accident patient with an unknown blood group needs an immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor?
1. Blood group B
2. Blood group AB
3. Blood group O
4. Blood group A
Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin-A deficiency?
1. | Flaver savr tomato | 2. | Canolla |
3. | Golden rice | 4. | Bt-brinjal |
The maximum amount of electrolytes and water (70-80%) from the glomerular filtrate is reabsorbed in which part of the nephron?
1. Ascending limb of the loop of Henle
2. Distal convoluted tubule
3. Proximal convoluted tubule
4. Descending limb of the loop of Henle
Both, autogamy and geitonogamy are prevented in:
1. Papaya
2. Cucumber
3. Castor
4. Maize
Placentation in tomato and lemon is:
1. Parietal
2. free central
3. marginal
4. axile