

MCQOPTIONS
Saved Bookmarks
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 | |