MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 371 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 251. |
Average |
| A. | 100 days |
| B. | 90 days |
| C. | 120 days |
| D. | None of these |
| Answer» D. None of these | |
| 252. |
Contractile proteins |
| A. | bones |
| B. | blood |
| C. | muscles |
| D. | cartilage |
| Answer» D. cartilage | |
| 253. |
Cells |
| A. | phloem |
| B. | xylem |
| C. | cambium |
| D. | medullary ray |
| Answer» D. medullary ray | |
| 254. |
Which one of the following is modification of |
| A. | Fibres found in phloem |
| B. | Tracheids |
| C. | Vessel |
| D. | Chlorenchyma |
| Answer» E. | |
| 255. |
Bone matrix |
| A. | fluoride and calcium |
| B. | calcium and phosphorus |
| C. | calcium and potassium |
| D. | phosphorus and potassium |
| Answer» C. calcium and potassium | |
| 256. |
Blood and lymph |
| A. | muscular tissue |
| B. | epithelial tissue |
| C. | connective tissue |
| D. | permanent tissue |
| Answer» D. permanent tissue | |
| 257. |
Which one of the following is not a constituent of cell |
| A. | Cholesterol |
| B. | Glycolipids |
| C. | Proline |
| D. | Phospholipids |
| Answer» D. Phospholipids | |
| 258. |
After entering the human body through |
| A. | Spinal chord |
| B. | Blood |
| C. | Liver |
| D. | Spleen |
| Answer» D. Spleen | |
| 259. |
Which of the following groups is present in |
| A. | Mitochondria, Cell membrane, Cell wall, Cytoplasm |
| B. | Chloroplasts, Cytoplasm, Vacuole, Nucleus |
| C. | Nucleus, Cell membrane, Mitochondria, Cytoplasm |
| D. | Vacuole, Cell membrane, Nucleus, Mitochondria |
| Answer» D. Vacuole, Cell membrane, Nucleus, Mitochondria | |
| 260. |
Which one among the following completes the given statement correctly ? |
| A. | glucose is broken down into glycerol |
| B. | glucose is converted into glycogen |
| C. | glucose is broken down into carbon dioxide and water |
| D. | proteins are broken down into amino acids |
| Answer» E. | |
| 261. |
An individual whose blood type is |
| A. | B or A |
| B. | AB or A |
| C. | A or O |
| D. | AB or B |
| Answer» C. A or O | |
| 262. |
Sickle-cell anemia |
| A. | white blood cell |
| B. | red blood cell |
| C. | thrombocytes |
| D. | blood plasma composition |
| Answer» C. thrombocytes | |
| 263. |
Carbohydrates |
| A. | cellulose and glucose respectively |
| B. | starch and glycogen respectively |
| C. | starch and glucose respectively |
| D. | cellulose and glycogen respectively |
| Answer» C. starch and glucose respectively | |
| 264. |
Leishmania, |
| A. | budding |
| B. | binary fission |
| C. | multiple fission |
| D. | sporogony |
| Answer» C. multiple fission | |
| 265. |
A typical human |
| A. | 12 |
| B. | 14 |
| C. | 16 |
| D. | 24 |
| Answer» B. 14 | |
| 266. |
Among the given |
| A. | Calcium |
| B. | Protein |
| C. | Carbohydrate |
| D. | Vitamin C |
| Answer» E. | |
| 267. |
Jaundice |
| A. | incomplete metabolism of biliverdin |
| B. | complete metabolism of biliverdin |
| C. | incomplete metabolism of bilirubin |
| D. | complete metabolism of bilirubin |
| Answer» D. complete metabolism of bilirubin | |
| 268. |
Crocodiles |
| A. | head |
| B. | stomach |
| C. | tail |
| D. | arteries |
| Answer» D. arteries | |
| 269. |
Stem Cell Therapy (SCT) |
| A. | Kidney failure |
| B. | Cancer |
| C. | Brain injury |
| D. | Vision impairment |
| Answer» E. | |
| 270. |
In which one of the following |
| A. | RBCs |
| B. | Blood Platelets |
| C. | Blood Plasma cells |
| D. | Donnan's membrane |
| Answer» D. Donnan's membrane | |
| 271. |
A surge of which |
| A. | Luteinizing hormone |
| B. | Estrogen |
| C. | Follicle stimulating hormone |
| D. | Progesterone |
| Answer» B. Estrogen | |
| 272. |
The main function of the |
| A. | transport minerals and water from the roots to the leaves |
| B. | act as a membrane impermeable to water and gas |
| C. | transport food from the leaves to the other parts of the plant |
| D. | protect the plant from herbivorous animals |
| Answer» D. protect the plant from herbivorous animals | |
| 273. |
Which one of the following processes takes place in lakes during |
| A. | Rapid destruction of algal growth |
| B. | Execessive availability of dissolved oxygen |
| C. | Loss of dissolved nutrients from water |
| D. | Excessive entry of nutrient into water |
| Answer» E. | |
| 274. |
Which one of the following is considered as a cell within a cell ? |
| A. | Ribosome |
| B. | Chloroplast |
| C. | Lysosome |
| D. | Golgi complex |
| Answer» C. Lysosome | |
| 275. |
Sandalwood tree |
| A. | total root parasite |
| B. | total stem parasite |
| C. | stem parasite |
| D. | partial root parasite |
| Answer» E. | |
| 276. |
Coconut water, |
| A. | pericarp |
| B. | endosperm |
| C. | Siutellum |
| D. | soft drink |
| Answer» C. Siutellum | |
| 277. |
A characteristic |
| A. | a chloro compound |
| B. | a fluarine compound |
| C. | a sulphur compound |
| D. | acetic acid |
| Answer» D. acetic acid | |
| 278. |
Mushrooms |
| A. | fungus |
| B. | alga |
| C. | fern |
| D. | moss |
| Answer» B. alga | |
| 279. |
Censor mechanism |
| A. | Pea |
| B. | Poppy |
| C. | Cotton |
| D. | Maize |
| Answer» C. Cotton | |
| 280. |
Kuttu flour |
| A. | Tapioca |
| B. | Fagopyrum |
| C. | Plantago |
| D. | Eleusine |
| Answer» C. Plantago | |
| 281. |
In plants, which one of the following tissues is dead ? |
| A. | Parenchyma |
| B. | Collenchyma |
| C. | Sclerenchyma |
| D. | Phloem |
| Answer» D. Phloem | |
| 282. |
Which of the following plant hormone is mainly responsible for |
| A. | Cytokinin |
| B. | Abscissic acid |
| C. | Ethylene |
| D. | None of these |
| Answer» D. None of these | |
| 283. |
Which one of following is a useful functional association between |
| A. | Biofertilizer |
| B. | Coralloid root |
| C. | Lichen |
| D. | Mycorrhiza |
| Answer» E. | |
| 284. |
Which one of the following is not an essential |
| A. | Boron |
| B. | Zinc |
| C. | Sodium |
| D. | Copper |
| Answer» D. Copper | |
| 285. |
Noscapine |
| A. | Poppy |
| B. | Basil |
| C. | Eucalyptus |
| D. | Ephedra |
| Answer» B. Basil | |
| 286. |
Which plant's |
| A. | Cinchona |
| B. | Tendu |
| C. | Opium |
| D. | Areca |
| Answer» C. Opium | |
| 287. |
Saffron |
| A. | Roots |
| B. | Stem |
| C. | Leaves |
| D. | Stigma and Style |
| Answer» E. | |
| 288. |
Apart from |
| A. | Arteether |
| B. | Glace |
| C. | Lutivit |
| D. | Cineraria |
| Answer» B. Glace | |
| 289. |
Photosynthesis |
| A. | Trees |
| B. | Algae |
| C. | Fungi |
| D. | Bacteria |
| Answer» E. | |
| 290. |
Bamboo |
| A. | Tree |
| B. | Grass |
| C. | Shrub |
| D. | Herb |
| Answer» C. Shrub | |
| 291. |
Tallest terrestrial tree |
| A. | Deodar |
| B. | Eucalyptus |
| C. | Sequoia |
| D. | Pine |
| Answer» D. Pine | |
| 292. |
Gregor Johann Mendel |
| A. | Edible pea |
| B. | Wild pea |
| C. | Garden pea |
| D. | Pigeon pea |
| Answer» D. Pigeon pea | |
| 293. |
Cloves, |
| A. | Seeeds |
| B. | Fruits |
| C. | Flower buds |
| D. | Leaves |
| Answer» D. Leaves | |
| 294. |
Which of the following plants |
| A. | Sugarcane |
| B. | Peanut |
| C. | Cycas |
| D. | Almond |
| Answer» D. Almond | |
| 295. |
Th suitable conditions in which the rate of |
| A. | Low speed of wind |
| B. | High humidity |
| C. | Low humidity and high temperature |
| D. | Excess amount of water in the soil |
| Answer» D. Excess amount of water in the soil | |
| 296. |
Process by which |
| A. | Carbohydrolysis |
| B. | Metabolic synthesis |
| C. | Photosynthesis |
| D. | Photorespiration |
| Answer» D. Photorespiration | |
| 297. |
The device to |
| A. | Hygrometer |
| B. | Crescometer |
| C. | Potometer |
| D. | Clinometer |
| Answer» D. Clinometer | |
| 298. |
The process of |
| A. | Root |
| B. | Stem |
| C. | Leaf |
| D. | Entire 'plants' surface |
| Answer» D. Entire 'plants' surface | |
| 299. |
At which region of the |
| A. | Red and Blue |
| B. | Green and Yellow |
| C. | Blue and Orange |
| D. | Violet and Orange |
| Answer» B. Green and Yellow | |
| 300. |
Plant which |
| A. | Mesophytes |
| B. | Lithophytes |
| C. | Sclerophytes |
| D. | Oxylophytes |
| Answer» C. Sclerophytes | |