MCQOPTIONS
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MCQOPTIONS
This section includes 1075 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1051. |
Why radiologists do not take direct X-ray photographs of intestine? |
| A. | Intestines are affected by direct exposure to X-rays |
| B. | X-rays can not cross intestine |
| C. | X-rays are not able to capture clear picture |
| D. | Even short exposure of X-rays causes cancer in intestine |
| Answer» D. Even short exposure of X-rays causes cancer in intestine | |
| 1052. |
The pollination of maize takes place by |
| A. | self-pollination |
| B. | pollination by insects |
| C. | pollination by air |
| D. | pollination by rain |
| Answer» D. pollination by rain | |
| 1053. |
Onion is a modified form of |
| A. | leaf |
| B. | stem |
| C. | root |
| D. | None of these |
| Answer» C. root | |
| 1054. |
The cross-section of a stem of tree has fifty rings, what is the age of the tree ? |
| A. | 50 months |
| B. | 5 years |
| C. | 25 years |
| D. | 50 years |
| Answer» E. | |
| 1055. |
The disease caused by Asbestos is : |
| A. | Emphysema |
| B. | Paralysis |
| C. | Diarrhoea |
| D. | Dysentery |
| Answer» B. Paralysis | |
| 1056. |
Pencillin is extracted from |
| A. | yeast |
| B. | algae |
| C. | fungus |
| D. | lichen |
| Answer» D. lichen | |
| 1057. |
Approximate number of skeletal muscles is : |
| A. | 500 |
| B. | 700 |
| C. | 200 |
| D. | 206 |
| Answer» C. 200 | |
| 1058. |
Which one of the following substances is used for preservation of food grains? |
| A. | Sodium benzoate |
| B. | Vinegar |
| C. | Sodium chloride |
| D. | Potassium permanganate |
| Answer» B. Vinegar | |
| 1059. |
The pollen grains of flowers pollinated by insects are : |
| A. | smooth and dry |
| B. | rough and sticky |
| C. | rough and dry |
| D. | large and showy |
| Answer» C. rough and dry | |
| 1060. |
A clone is a colony of : |
| A. | cells having different shapes |
| B. | cells having similar shape |
| C. | cells having similar genetic constitution |
| D. | cells having different genetic constitutions |
| Answer» D. cells having different genetic constitutions | |
| 1061. |
Animals do not have enzyme systems which enable them to make use of the energy from : |
| A. | fat |
| B. | water |
| C. | protein |
| D. | carbohydrate |
| Answer» B. water | |
| 1062. |
The edible part of Cabbage is |
| A. | fruit |
| B. | condensed flower |
| C. | vegetative bud |
| D. | inflorescence |
| Answer» D. inflorescence | |
| 1063. |
The optimum dissolved oxygen level (in mg/litre) required for survival of aquatic organisms is : |
| A. | 4 6 |
| B. | 2 4 |
| C. | 8 10 |
| D. | 12 16 |
| Answer» B. 2 4 | |
| 1064. |
Housefly spreads |
| A. | Common cold |
| B. | Malaria |
| C. | Flu |
| D. | Typhoid |
| Answer» E. | |
| 1065. |
Which one of the following is a condition of delayed blood clotting? |
| A. | Heaemorrhage |
| B. | Hematuria |
| C. | Haemophilia |
| D. | Anaemia |
| Answer» D. Anaemia | |
| 1066. |
Biogradable wastes can usually be converted into useful substances with the help of: |
| A. | nuclear proteins |
| B. | radio-active substances |
| C. | viruses |
| D. | bacteria |
| Answer» E. | |
| 1067. |
In which of the following animals, is open circulatory system found? |
| A. | Prawn |
| B. | Earthworm |
| C. | Toad |
| D. | Man |
| Answer» B. Earthworm | |
| 1068. |
The larvae of cockroach is called |
| A. | Caterpillar |
| B. | Nymph |
| C. | Maggot |
| D. | Grub |
| Answer» C. Maggot | |
| 1069. |
Plants which flower only once in their life time are known as |
| A. | polycarpic |
| B. | monocarpic |
| C. | monogamous |
| D. | monogeneric |
| Answer» C. monogamous | |
| 1070. |
The heat treatment applied to milk before distribution to stabilize and to remove disease causing bacteria is called as : |
| A. | Pasteurisation |
| B. | Fermentation |
| C. | Coagulation |
| D. | Homogenisation |
| Answer» B. Fermentation | |
| 1071. |
In a poultry unit, the factor most influencing the cost is the cost of |
| A. | feed |
| B. | transportation |
| C. | chicks |
| D. | medicines |
| Answer» B. transportation | |
| 1072. |
Which one of the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms ? |
| A. | Eco-niche |
| B. | Ecosystem |
| C. | Ecozone |
| D. | Habitat |
| Answer» C. Ecozone | |
| 1073. |
What do you understand by the term Dark Fermentation ? |
| A. | It is a method to dispose nuclear wastes. |
| B. | It is a method to produce methane from organic wastes. |
| C. | It is a method to reduce COD in the atmosphere. |
| D. | It is a method to produce Hydrogen as a fuel from waste water. |
| Answer» E. | |
| 1074. |
Commercially valued cork is obtained from : |
| A. | Quercus spp |
| B. | Cedrus Deodara |
| C. | |
| D. | Ficus |
| E. | Cycas |
| Answer» B. Cedrus Deodara | |
| 1075. |
Minamata disease is caused by pollution of water by : |
| A. | lead |
| B. | tin |
| C. | methy isocyanate |
| D. | mercury |
| Answer» E. | |