Which of the following Bt crops is being grown in India by the farmers?
1.
Cotton
2.
Brinjal
3.
Soybean
4.
Maize
Interfascicular cambium develops from the cells of:
1. Xylem parenchyma
2. Endodermis
3. Pericycle
4. Medullary rays
Which one of the following is not the function of placenta?
| 1. | Secretes estrogen |
| 2. | Facilitates removal of carbon dioxide and waste material from embryo |
| 3. | Secretes oxytocin during parturition |
| 4. | Facilitates supply of oxygen and nutrients to embryo |
Which of the metabolites is common to respiration mediated breakdown of fats, carbohydrates and proteins?
1. Frutose1, 6 - bisphosphate
2. Pyruvic acid
3. Acetyl CoA
4. Glucose- 6 -phosphate
According to Darwin, organic evolution is due to:
| 1. | Interspecific competition. |
| 2. | Competition within closely related species. |
| 3. | Reduced feeding efficiency in one species due to the presence of interfering species. |
| 4. | Intraspecific competition. |
Which enzyme(s) will be produced in a cell in which there is a non-sense mutation in the lac Y gene?
| 1. | Lactose permease |
| 2. | Transacetylase |
| 3. | Lactose permease and transacetylase |
| 4. | β - galactosidase |
A good producer of citric acid is:
1. Pseudomonas
2. Clostridium
3. Saccharomyces
4. Aspergillus
Macro molecule chitin is:
1. Phosphorus containing saccharide
2. Sulphur containing polysaccharide
3. Simple polysaccharide
4. Nitrogen-containing polysaccharide
The H-zone in the skeletal muscle fibre is due to:
| 1. | The central gap between myosin filaments in the A-band. |
| 2. | The central gap between actin filaments extends through myosin filaments in the A-band. |
| 3. | Extension of myosin filaments in the central portion of the A-band |
| 4. | The absence of myofibrils in the central portion of the A-band. |
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