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MCQOPTIONS
This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 5201. |
Tobacco leaves contain? |
| A. | nicotine |
| B. | colvicine |
| C. | Aspirin |
| D. | none of these |
| Answer» B. colvicine | |
| 5202. |
Which of the following crops makes the soil rich in nitrogen? |
| A. | maize |
| B. | Fever |
| C. | Peas |
| D. | gram |
| Answer» D. gram | |
| 5203. |
The major cereal crop of India is? |
| A. | wheat |
| B. | maize |
| C. | rice |
| D. | Fever |
| Answer» D. Fever | |
| 5204. |
Which one of the following is a man-made cereal? |
| A. | Triticum vulgare |
| B. | Triticale |
| C. | live table |
| D. | Grain |
| Answer» C. live table | |
| 5205. |
Which is the best source of Vitamin C? |
| A. | Orange |
| B. | Lemon |
| C. | Orange |
| D. | Gooseberry |
| Answer» E. | |
| 5206. |
Which part of the cauliflower plant is eaten? |
| A. | inflorescence |
| B. | leaves |
| C. | root |
| D. | A and B |
| Answer» B. leaves | |
| 5207. |
What is a pea plant? |
| A. | flower |
| B. | herb |
| C. | bush |
| D. | none of these |
| Answer» C. bush | |
| 5208. |
Pulses are related to plant? |
| A. | cruciferous |
| B. | solanacea |
| C. | Leguminous |
| D. | gramini |
| Answer» D. gramini | |
| 5209. |
What is the botanical name of the tea plant? |
| A. | Sciences |
| B. | Thea sinensis |
| C. | There was sinensis |
| D. | all these |
| Answer» C. There was sinensis | |
| 5210. |
What family plant is brinjal? |
| A. | solanacea |
| B. | Composite |
| C. | Malvasi |
| D. | none of these |
| Answer» B. Composite | |
| 5211. |
Potato belongs to which family? |
| A. | Composite |
| B. | gramini |
| C. | solanacea |
| D. | none of these |
| Answer» D. none of these | |
| 5212. |
What is the basic unit of classification? |
| A. | total |
| B. | Species |
| C. | Class |
| D. | all these |
| Answer» C. Class | |
| 5213. |
Is clove a? |
| A. | dry flower bud |
| B. | seed |
| C. | fruit |
| D. | bark |
| Answer» B. seed | |
| 5214. |
What is the botanical name of mango? |
| A. | Mango |
| B. | mengifera indica |
| C. | docus carota |
| D. | all these |
| Answer» C. docus carota | |
| 5215. |
Cotton belongs to which family? |
| A. | Malvasi |
| B. | Composite |
| C. | solanacea |
| D. | gramini |
| Answer» B. Composite | |
| 5216. |
Who among the following is called the father of taxonomy? |
| A. | Aristotle |
| B. | travirens |
| C. | Leuvenhawk |
| D. | Linnaeus |
| Answer» E. | |
| 5217. |
The outermost membrane of the human brain is? |
| A. | pimeter |
| B. | meter |
| C. | Durometer |
| D. | Ereknwid |
| Answer» D. Ereknwid | |
| 5218. |
What is the center of intelligence and cleverness in man? |
| A. | cerebellum |
| B. | hypothalamus |
| C. | cerebrum |
| D. | spinal cord |
| Answer» D. spinal cord | |
| 5219. |
By which reaction does oxygen in plants reach the cells from the external environment? |
| A. | fermentation |
| B. | Diffusion |
| C. | combustion |
| D. | Photosynthesis |
| Answer» C. combustion | |
| 5220. |
What is the blood pressure of a healthy person? |
| A. | 90/60 |
| B. | 120/80 |
| C. | 200/130 |
| D. | 140/160 |
| Answer» C. 200/130 | |
| 5221. |
What controls human ability to smell? |
| A. | optic lobe |
| B. | sensorimotor lobe |
| C. | cerebrum |
| D. | none of these |
| Answer» C. cerebrum | |
| 5222. |
Which is the main form of transfer of food substances in plants? |
| A. | glucose |
| B. | starch |
| C. | sucrose |
| D. | protein |
| Answer» D. protein | |
| 5223. |
What is the result of food in the process of respiration? |
| A. | Dissolution |
| B. | combustion |
| C. | Change |
| D. | synthesis |
| Answer» B. combustion | |
| 5224. |
The process by which a person inhales and exhales is |
| A. | respiration |
| B. | respiratory breath |
| C. | breathing |
| D. | expiratory |
| Answer» C. breathing | |
| 5225. |
Which is the largest gland of the body? |
| A. | salivary gland |
| B. | thyroid |
| C. | liver |
| D. | stomach |
| Answer» D. stomach | |
| 5226. |
Who controls the voluntary movements in humans? |
| A. | cerebrum |
| B. | thyroid |
| C. | cerebellum |
| D. | none of these |
| Answer» B. thyroid | |
| 5227. |
Where is the body temperature controlled? |
| A. | spinal card |
| B. | cerebellum |
| C. | hypothalamus |
| D. | pituitary |
| Answer» D. pituitary | |
| 5228. |
What does the cell usually use to produce energy? |
| A. | amino acids |
| B. | glucose |
| C. | fatty acid |
| D. | sucrose |
| Answer» C. fatty acid | |
| 5229. |
In amoeba food is ingested by whom? |
| A. | pseudopod |
| B. | cell mouth |
| C. | Celia |
| D. | Anus |
| Answer» B. cell mouth | |
| 5230. |
Which hormone is secreted by the female genital organ in humans? |
| A. | estrogen |
| B. | progesterone |
| C. | relaxin |
| D. | all statements are true |
| Answer» D. all statements are true | |
| 5231. |
In bacterial and viral infection, their is increase in number of |
| A. | tracheids |
| B. | RBCs |
| C. | antibodies |
| D. | WBCs |
| Answer» E. | |
| 5232. |
In which plants leaves are always in whorls |
| A. | platelets |
| B. | psilopsids |
| C. | sphenopsids |
| D. | pteropsids |
| Answer» D. pteropsids | |
| 5233. |
Which of the following organ is because of absence of teeth in birds |
| A. | crop |
| B. | syrinx |
| C. | stomach |
| D. | gizzard |
| Answer» E. | |
| 5234. |
The scientific name of jelly fish is |
| A. | Aurelia |
| B. | Madrepore |
| C. | Actinia |
| D. | Obelia |
| Answer» B. Madrepore | |
| 5235. |
Photosynthetic prokaryotes lack |
| A. | ribosomes |
| B. | chloroplast |
| C. | cell-membrane |
| D. | vacuole |
| Answer» C. cell-membrane | |
| 5236. |
Vomiting occurs due to |
| A. | constipation |
| B. | diarrhoea |
| C. | antiperistalsis |
| D. | peristalsis |
| Answer» D. peristalsis | |
| 5237. |
Common feature of human and insect trachea is |
| A. | non-collapsiable wall |
| B. | supporting rings |
| C. | ectodermal origin |
| D. | endodermal origin |
| Answer» B. supporting rings | |
| 5238. |
Which structure is involve in gaseous exchange of plants |
| A. | stomata |
| B. | lenticels |
| C. | cuticle |
| D. | all of these |
| Answer» E. | |
| 5239. |
The predominant phycobilin pigment in cyanobacteria which is of blue colour is |
| A. | phycoerythrin |
| B. | phycocyanin |
| C. | fucocyanin |
| D. | fucoxanthin |
| Answer» C. fucocyanin | |
| 5240. |
Deafness is caused by misuse of |
| A. | penicillin |
| B. | tetracycline |
| C. | paracetamol |
| D. | streptomycin |
| Answer» E. | |
| 5241. |
Cell envelope does not include |
| A. | capsule |
| B. | slime layer |
| C. | cell wall |
| D. | cell membrane |
| Answer» E. | |
| 5242. |
An isolated virus is not considered living since it |
| A. | separate into two parts |
| B. | cannot metabolize |
| C. | rapidly looses its genome |
| D. | all of these |
| Answer» C. rapidly looses its genome | |
| 5243. |
Coenocytes is a fungal body which is |
| A. | all heterosporous |
| B. | multi-nucleate septate |
| C. | uni-nucleate septate |
| D. | uni-nucleate aseptate |
| Answer» B. multi-nucleate septate | |
| 5244. |
Glyoxisomes contain enzymes for |
| A. | glyoxylate cycle |
| B. | glycolate cycle |
| C. | Calvin cycle |
| D. | none of these |
| Answer» B. glycolate cycle | |
| 5245. |
Main energy reserves in the case of green algae are |
| A. | pectin |
| B. | sucrose |
| C. | glucose |
| D. | starch |
| Answer» E. | |
| 5246. |
Vacuoles serve to |
| A. | expand the plant cells |
| B. | sites for storage |
| C. | both in expansion and storage |
| D. | non-specific function |
| Answer» D. non-specific function | |
| 5247. |
It is generally accepted that plants arose from ancestral |
| A. | glycogen |
| B. | fungi |
| C. | bacteria |
| D. | all of these |
| Answer» B. fungi | |
| 5248. |
Irregular grape like cluster of bacilli is called |
| A. | diplo bacilli |
| B. | strepto bacilli |
| C. | staphylo bacilli |
| D. | none of these |
| Answer» D. none of these | |
| 5249. |
The basic framework of all types of membranes are |
| A. | lipoproteins |
| B. | glycoproteins |
| C. | proteoglycans |
| D. | nucleoproteins |
| Answer» B. glycoproteins | |
| 5250. |
Which of the following kinds of atom do not occur in carbohydrates |
| A. | carbon |
| B. | hydrogen |
| C. | nitrogen |
| D. | oxygen |
| Answer» D. oxygen | |