MCQOPTIONS
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MCQOPTIONS
This section includes 879 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge (GK) knowledge and support exam preparation. Choose a topic below to get started.
| 251. |
Which of the following organ-isms does not fit into the Cell Theory? |
| A. | Bacteria |
| B. | Virus |
| C. | Fungi |
| D. | Plants |
| Answer» C. Fungi | |
| 252. |
Nutrients are recycled in the atmosphere with the help of certain micro- organisms referred to as - |
| A. | producers |
| B. | consumers |
| C. | decomposers |
| D. | None of these |
| Answer» D. None of these | |
| 253. |
Saliva helps in the digestion of - |
| A. | Fats |
| B. | Starch |
| C. | Proteins |
| D. | Vitamins |
| Answer» C. Proteins | |
| 254. |
Process of digestion is helped by - |
| A. | Enzyme |
| B. | Hormone |
| C. | Mineral |
| D. | Vitamin |
| Answer» B. Hormone | |
| 255. |
Which of the following organelle of the cell contain their own genetic material? |
| A. | Mitochondria |
| B. | Ribosomes |
| C. | Golgi complex |
| D. | None of the above |
| Answer» B. Ribosomes | |
| 256. |
Xylem fibres are made up of |
| A. | Scierenchyma cells with thin walls |
| B. | Scierenchyma cells with thick walls |
| C. | Parenchyma cells with thin walls |
| D. | Scierenchyma cells with no obliteration in central lumen |
| Answer» C. Parenchyma cells with thin walls | |
| 257. |
Which of the following fibres is considered as the stron est natural fibre? |
| A. | Cotton |
| B. | Jute |
| C. | Wool |
| D. | Silk |
| Answer» E. | |
| 258. |
Growing agricultural crops between rows of planted trees is known as - |
| A. | Social forestry |
| B. | Jhum |
| C. | Taunia system |
| D. | Agro forestry |
| Answer» D. Agro forestry | |
| 259. |
The green colour of the leaves is due to the presence of - |
| A. | Proteins |
| B. | Lipids |
| C. | Chlorophyll |
| D. | Carbohydrates |
| Answer» D. Carbohydrates | |
| 260. |
Which of the following listed is not a feature of organic farming? |
| A. | The non-use of chemical fertilizers and pesticides |
| B. | Soil is nurtured for furture use by maintaining micro-or-danisms tin |
| C. | Use of synthetic fertilizers |
| D. | Very less energy consumption |
| Answer» D. Very less energy consumption | |
| 261. |
What is farming along with animal husbandry called? |
| A. | Mixed farming |
| B. | Mixed agriculture |
| C. | Dairy farming |
| D. | Truck farming |
| Answer» B. Mixed agriculture | |
| 262. |
Which one of the following pairs belongs to cartilaginous fish? |
| A. | Shark and Tuna |
| B. | Shark and Ray |
| C. | Skates and Hilsa |
| D. | RayandEel |
| Answer» C. Skates and Hilsa | |
| 263. |
Which of the following is a true fish? |
| A. | Silver fish |
| B. | Star fish |
| C. | Dog fish |
| D. | Shell fish |
| Answer» D. Shell fish | |
| 264. |
AIDS virus has |
| A. | single-stranded RNA |
| B. | double-stranded RNA |
| C. | single-stranded DNA |
| D. | double-stranded DNA |
| Answer» B. double-stranded RNA | |
| 265. |
AIDS is a/an - |
| A. | bacterial disease |
| B. | viral disease |
| C. | fungal disease |
| D. | algal disease |
| Answer» C. fungal disease | |
| 266. |
The biological death of a patient means the death of tissues of the - |
| A. | kidney |
| B. | heart |
| C. | brain |
| D. | lungs |
| Answer» D. lungs | |
| 267. |
Acquired Immuno Deficiency Syndrome (AIDS) is caused by |
| A. | protozoa |
| B. | virus |
| C. | fungus |
| D. | bacteria |
| Answer» C. fungus | |
| 268. |
The biological process in which both aerobes and anaerobes degrade organic matter is - |
| A. | Manuring |
| B. | Composting |
| C. | Digesting |
| D. | Nitrifying |
| Answer» C. Digesting | |
| 269. |
The edible part of an onion is - |
| A. | Modified root |
| B. | Aerial flower |
| C. | Aerial stem |
| D. | Fleshy leaves |
| Answer» E. | |
| 270. |
The main protein found in milk is |
| A. | Albumin |
| B. | Globulin |
| C. | Globin |
| D. | Casein |
| Answer» E. | |
| 271. |
In man, the normal number of chromosomes is - |
| A. | 42 |
| B. | 44 |
| C. | 46 |
| D. | 48 |
| Answer» D. 48 | |
| 272. |
The number of chromosomes present in normal human being are - |
| A. | 23 |
| B. | 46 |
| C. | 22 |
| D. | 48 |
| Answer» C. 22 | |
| 273. |
What is the total number of bones that are present in human body? |
| A. | 309 |
| B. | 405 |
| C. | 103 |
| D. | 206 |
| Answer» E. | |
| 274. |
Morphology of Chromosomes can be best studied at - |
| A. | Interphase |
| B. | Prophase |
| C. | Metaphase |
| D. | Zygotene |
| Answer» D. Zygotene | |
| 275. |
'Survival of the fittest' was coined by |
| A. | Darwin |
| B. | Lamarck |
| C. | Mendel |
| D. | Weismarm |
| Answer» B. Lamarck | |
| 276. |
The concept of survival of the fittest was first advocated by - |
| A. | Oparin |
| B. | Darwin |
| C. | Spencer |
| D. | Haeckel |
| Answer» C. Spencer | |
| 277. |
Which protein - sugar pair is present in milk? |
| A. | Casein, Sucrose |
| B. | Casein, Lactose |
| C. | Fenitin, Maltose |
| D. | Albumin, Glucose |
| Answer» C. Fenitin, Maltose | |
| 278. |
The colotr of cow's milk is slightly yellow due to the presence of - |
| A. | Xanthophyll |
| B. | Riboflavin |
| C. | Ribulose |
| D. | Carotene |
| Answer» E. | |
| 279. |
Which are not included in the milk teeth in a child of 3-4 years? |
| A. | Incisors |
| B. | Canines |
| C. | Molars |
| D. | Premolars |
| Answer» D. Premolars | |
| 280. |
'Table sugar' is which type of sugar? |
| A. | Fructose |
| B. | Galactose |
| C. | Glucose |
| D. | Sucrose |
| Answer» E. | |
| 281. |
Plasma membrane in eukaryotic cells is made up of - |
| A. | Phospholipid |
| B. | Lipoprotein |
| C. | Phospholipo-protein |
| D. | Phospho-protein |
| Answer» B. Lipoprotein | |
| 282. |
'Red Data Book' provides an account of |
| A. | Endangered plants only |
| B. | Fossil plants |
| C. | Endangered plants and animals |
| D. | Extinct animals only |
| Answer» D. Extinct animals only | |
| 283. |
Which one of the following vitamins helps in clotting of blood? |
| A. | Vitamin-A |
| B. | Vitamin-B |
| C. | Vitamin-D |
| D. | Vitamin-K |
| Answer» E. | |
| 284. |
Which of the following vitamins is stored in the liver? |
| A. | Vitamin A |
| B. | Vitamin E |
| C. | Vitamin C |
| D. | Vitamin K |
| Answer» B. Vitamin E | |
| 285. |
Fat soluble vitamins are |
| A. | Tocopherol, Niacin, Cyanocobalamin |
| B. | Calciferol, Carotene, Tocopherol |
| C. | Ascorbic acid, Calciferol, Riboflavin |
| D. | Thiamine, Carotene, Biotin |
| Answer» C. Ascorbic acid, Calciferol, Riboflavin | |
| 286. |
Which of the following crops would be preferred for sowing in order to enrich the soil with nitrogen? |
| A. | Wheat |
| B. | Mustard |
| C. | Sunflower |
| D. | Gram |
| Answer» E. | |
| 287. |
The nitrogen in the ecosystem is circulated by - |
| A. | Earthworms |
| B. | Bacteria |
| C. | Fungi |
| D. | protozoa |
| Answer» C. Fungi | |
| 288. |
Normally animals can change the place, but which one of the following animals cannot change the place? |
| A. | Starfish |
| B. | Sponge |
| C. | Hydra |
| D. | Leech |
| Answer» D. Leech | |
| 289. |
Which acid is present in lemon |
| A. | malic acid |
| B. | citric acid |
| C. | lactic acid |
| D. | tartaric acid |
| Answer» C. lactic acid | |
| 290. |
Which acid is present in the stomach of humans? |
| A. | sulphuric acid |
| B. | hydrochloric acid |
| C. | nitric acid |
| D. | citric acid |
| Answer» C. nitric acid | |
| 291. |
Prawn heart carries - |
| A. | no blood |
| B. | deoxygenated blood |
| C. | oxygenated blood |
| D. | mixed blood |
| Answer» D. mixed blood | |
| 292. |
Which of the following book is centered on Environment"? |
| A. | The Late, Great Planet Earth |
| B. | Silent Spring |
| C. | Here I stand |
| D. | And then One Day |
| Answer» C. Here I stand | |
| 293. |
Plants used for the production of biofuel are: |
| A. | Pongamia glabra |
| B. | Jatropa curcus |
| C. | Acacia melanoxylon |
| D. | Azadirachta indica |
| Answer» C. Acacia melanoxylon | |
| 294. |
Liver is a RICH source of - |
| A. | sugars |
| B. | fat soluble vitamins |
| C. | minerals |
| D. | proteins |
| Answer» E. | |
| 295. |
Which one of the following can be synthesized by Liver - |
| A. | Vitamin - A |
| B. | Vitamin E |
| C. | Vitamin B |
| D. | Vitamin - K |
| Answer» E. | |
| 296. |
The H5N1 virus which causes bird flu was first discovered in - |
| A. | 1991 |
| B. | 1995 |
| C. | 1997 |
| D. | 2001 |
| Answer» D. 2001 | |
| 297. |
What would be the formula of Fructose? |
| A. | C5H10O5 |
| B. | C6H12O6 |
| C. | C6H10O5 |
| D. | C6H10O8 |
| Answer» C. C6H10O5 | |
| 298. |
'Cod' is a variety of - |
| A. | Goat |
| B. | Fish |
| C. | Crop |
| D. | oral |
| Answer» C. Crop | |
| 299. |
Tuberculosis is transmitted through |
| A. | Droplet transmission |
| B. | Blood transfusion |
| C. | Contaminated water |
| D. | Sexual contact |
| Answer» B. Blood transfusion | |
| 300. |
Which one of the following is the tallest bird ? |
| A. | Peacock |
| B. | Penguin |
| C. | Ostrich |
| D. | Emu |
| Answer» D. Emu | |