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.
| 151. |
The blotting technique used to identify the isolated protein is |
| A. | Northern blotting |
| B. | Western blotting |
| C. | Southern blotting |
| D. | |
| E. | Cloning |
| Answer» C. Southern blotting | |
| 152. |
Leaves of many grasses are capable of folding and unfolding because |
| A. | their mesophyll is not differentiated into palisade and spongy parenchyma |
| B. | they have stomata on both sides of the leaf |
| C. | they have high levels of silica |
| D. | they have specialised bulliform cells |
| Answer» E. | |
| 153. |
What are the folds found in the mucous lining of the empty stomach ? |
| A. | Typhlosole |
| B. | Areolae |
| C. | Rugae |
| D. | Villi |
| Answer» D. Villi | |
| 154. |
The animal who can consume more salt among the following is |
| A. | Sheep |
| B. | Camel |
| C. | Donkey |
| D. | Dog |
| Answer» C. Donkey | |
| 155. |
The Particulate Matter (PM-10) exhaled from the polluted atmosphere is often filtered out during the process of |
| A. | Coughing |
| B. | Sneezing |
| C. | A and B |
| D. | Urination |
| Answer» C. A and B | |
| 156. |
Acceptable Noise Pollution Level in India range between: |
| A. | 16 35 dec |
| B. | 40 45 dec |
| C. | 70 100 dec |
| D. | |
| E. | 10 15 dec |
| Answer» C. 70 100 dec | |
| 157. |
In dicots the pollen-grains possess : |
| A. | two germ pores |
| B. | three germ pores |
| C. | four germ pores |
| D. | one germ pore |
| Answer» C. four germ pores | |
| 158. |
Transpiration through leaves is called as |
| A. | Cauline transpiration |
| B. | Foliar transpiration |
| C. | Cuticular transpiration |
| D. | Lenticular transpiration |
| Answer» C. Cuticular transpiration | |
| 159. |
The natural disaster in which carbon-di-oxide suddenly erupts from a deep lake water is known as _________. |
| A. | Lacaustrine |
| B. | Fluvial |
| C. | Glacial |
| D. | Liminic |
| Answer» E. | |
| 160. |
Blood is a: |
| A. | connective tissue |
| B. | epithelial tissue |
| C. | |
| D. | muscular tissue |
| E. | reproductive tissue |
| Answer» B. epithelial tissue | |
| 161. |
The disease that has been eradicated from the world is: |
| A. | Leprosy |
| B. | Poliomyelitis |
| C. | Chicken pox |
| D. | Small pox |
| Answer» E. | |
| 162. |
The process of photosynthesis involves conversion of |
| A. | chemical energy into radiant energy |
| B. | chemical energy into mechanical energy |
| C. | solar energy into chemical energy |
| D. | mechanical energy into solar energy |
| Answer» D. mechanical energy into solar energy | |
| 163. |
The special modified epidermal cells surrounding stomatal pore are called |
| A. | Epithelial cells |
| B. | Guard cells |
| C. | Subsidiary cells |
| D. | Accessory cells |
| Answer» C. Subsidiary cells | |
| 164. |
Blood pressure may be increased by the excessive secretion of |
| A. | Thyroxine |
| B. | Testosterone |
| C. | Estradiol |
| D. | Estrol |
| Answer» B. Testosterone | |
| 165. |
In mammals, an important role of excretion is played by |
| A. | Large intestine |
| B. | Kidneys |
| C. | Lungs |
| D. | Liver |
| Answer» C. Lungs | |
| 166. |
To conserve coral reefs, the Government of India declared one of the following as Marine Park ; |
| A. | Gulf of Kutch |
| B. | Lakshadweep Islands |
| C. | Gulf of Mannar |
| D. | Andaman Islands |
| Answer» B. Lakshadweep Islands | |
| 167. |
The outer skin most of the crustaceans are made up of a carbohydrate. This carbohydrate is |
| A. | cellulose |
| B. | galactose |
| C. | chitin |
| D. | starch |
| Answer» D. starch | |
| 168. |
Which lobe of human brain is associated with hearing ? |
| A. | Frontal lobe |
| B. | |
| C. | Parietal lobe |
| D. | Temporal lobe |
| E. | Occipital lobe |
| Answer» D. Temporal lobe | |
| 169. |
Uric acid is the chief nitrogenous wastes in |
| A. | Frogs |
| B. | Birds |
| C. | Fishes |
| D. | Mankind |
| Answer» C. Fishes | |
| 170. |
Taxonomy is a science that deals with |
| A. | Morphology |
| B. | Anatomy |
| C. | Classification |
| D. | Economic uses |
| Answer» D. Economic uses | |
| 171. |
Which of the following is responsible for transport of food and other substances in plants ? |
| A. | Xylem |
| B. | Phloem |
| C. | Chloroplast |
| D. | None of these |
| Answer» C. Chloroplast | |
| 172. |
Just born baby has the respiratory rate as |
| A. | 32 times/minute |
| B. | 26 times/minute |
| C. | 18 times/minute |
| D. | 15 times/minute |
| Answer» B. 26 times/minute | |
| 173. |
What does the word amphibian means ? |
| A. | Three lives |
| B. | Four lives |
| C. | Two lives |
| D. | One lives |
| Answer» D. One lives | |
| 174. |
Emulsification is |
| A. | breaking fats into small globules |
| B. | |
| C. | digestion of fats |
| D. | absorption of fats |
| E. | storage of fats |
| Answer» B. | |
| 175. |
Which one of the following endocrine gland is situated in the neck ? |
| A. | Pancreas |
| B. | Thyroid |
| C. | Pituitary |
| D. | Adrenals |
| Answer» C. Pituitary | |
| 176. |
Hydrochloric acid is secreted by the cells lining the |
| A. | Oral cavity |
| B. | Stomach |
| C. | Ileum |
| D. | Colon |
| Answer» C. Ileum | |
| 177. |
Interferons are synthesized in response to |
| A. | Bacteria |
| B. | Fungi |
| C. | Mycoplasma |
| D. | Virus |
| Answer» E. | |
| 178. |
What is Biodiversity ? |
| A. | Many types of flora & fauna in one forest |
| B. | Many types of flora and fauna in many forests |
| C. | Many population of one species in one forest |
| D. | All the above are true. |
| Answer» B. Many types of flora and fauna in many forests | |
| 179. |
What is the Normal Blood Volume in human adult ? |
| A. | One litre |
| B. | Three litres |
| C. | Five litres |
| D. | Seven litres |
| Answer» D. Seven litres | |
| 180. |
The resources which are obtained from bio sphere and have life are : |
| A. | Potential resources |
| B. | Biotic resources |
| C. | Abiotic resources |
| D. | Renewable resources |
| Answer» C. Abiotic resources | |
| 181. |
Transcription means the synthesis of |
| A. | Lipids |
| B. | Protein |
| C. | DNA |
| D. | RNA |
| Answer» D. RNA | |
| 182. |
Solitary cymose inflorescence is observed in |
| A. | Rose |
| B. | Chinarose |
| C. | Tuberose |
| D. | Gardenia |
| Answer» E. | |
| 183. |
Which one of the following is the ideal food for newborn babies ? |
| A. | Water |
| B. | Sugar |
| C. | Honey |
| D. | Milk |
| Answer» E. | |
| 184. |
The hydrophilic nature of DNA is due to the presence of : |
| A. | thymine base |
| B. | a number of hydrogen bonds |
| C. | phosphate group |
| D. | deoxyribose sugar |
| Answer» C. phosphate group | |
| 185. |
Which of the following is an example of parasitic alga ? |
| A. | Ulothrix |
| B. | Cephaleuros |
| C. | Oedogonium |
| D. | Sargassum |
| Answer» C. Oedogonium | |
| 186. |
Which of the following is used in the treatment of cancer ? |
| A. | Physiotherapy |
| B. | Chemotherapy |
| C. | Electrotherapy |
| D. | Psychotherapy |
| Answer» C. Electrotherapy | |
| 187. |
Red rot of sugarcane is caused by : |
| A. | Alternaria alternata |
| B. | Phylophthora infestans |
| C. | Colletotrichum falcatum |
| D. | Cercospora personata |
| Answer» D. Cercospora personata | |
| 188. |
The pollutants which move downward with percolating ground water are called |
| A. | Leachates |
| B. | Pollutates |
| C. | Earthites |
| D. | Percolates |
| Answer» B. Pollutates | |
| 189. |
Highest source of air pollution in the world is |
| A. | Automobiles |
| B. | Industries |
| C. | Household wastes |
| D. | Aircraft |
| Answer» B. Industries | |
| 190. |
The fleshy thalamus is edible in |
| A. | Apple |
| B. | Tomato |
| C. | Orange |
| D. | Mango |
| Answer» C. Orange | |
| 191. |
The animal that do not develop hypertension inspite of heavy intake of salt is: |
| A. | Sheep |
| B. | Buffalo |
| C. | Tiger |
| D. | Camel |
| Answer» E. | |
| 192. |
Which cell organelle is the site of photosynthesis and also contains chlorophyll? |
| A. | chloroplasts |
| B. | vacuole |
| C. | cytoplasm |
| D. | nucleolus |
| Answer» B. vacuole | |
| 193. |
The sense of balance is achieved by : |
| A. | Cerebrum equilibrium |
| B. | Thalamus equilibrium |
| C. | Cerebellum equilibrium |
| D. | Spinal chord equilibrium |
| Answer» D. Spinal chord equilibrium | |
| 194. |
Cuscuta is a : |
| A. | Saprophyte |
| B. | Epiphyte |
| C. | Xerophyte |
| D. | Parasite |
| Answer» E. | |
| 195. |
Which one of the following features is absent in a virus ? |
| A. | reproduce within host cell |
| B. | presence of cell wall |
| C. | fully parasitic in nature |
| D. | presence of either DNA or RNA |
| Answer» C. fully parasitic in nature | |
| 196. |
Liver is a RICH source of : |
| A. | sugars |
| B. | fat soluble vitamins |
| C. | minerals |
| D. | proteins |
| Answer» E. | |
| 197. |
One of the best solutions to get rid of non-biodegradable wastes is |
| A. | Burning |
| B. | Dumping |
| C. | Burying |
| D. | Recycling |
| Answer» E. | |
| 198. |
The colour of the carrots is due to the presence of |
| A. | Carotene |
| B. | Chlorophyll |
| C. | Phycocyanin |
| D. | Phycoerythirn |
| Answer» B. Chlorophyll | |
| 199. |
'Barr body is found in |
| A. | Sperm |
| B. | Sertoli cells |
| C. | Female somatic cells |
| D. | Male somatic cells |
| Answer» D. Male somatic cells | |
| 200. |
Which of the following is true for photoperiodic ? |
| A. | It occurs only in plants |
| B. | It is related to flowering in plants |
| C. | It is related to feathers of animals |
| D. | It is the reaction of organisms to the length of day or night |
| Answer» E. | |