MCQOPTIONS
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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.
| 301. |
Which of the following is a good source of |
| A. | Pea |
| B. | Pigeon Pea |
| C. | Black Gram |
| D. | Soyabean |
| Answer» E. | |
| 302. |
Which among the following is not a |
| A. | Apple |
| B. | Date |
| C. | Grape |
| D. | Plum |
| Answer» B. Date | |
| 303. |
Which part of the |
| A. | Fleshy thalamus |
| B. | Spores |
| C. | Endosperm |
| D. | Mesocarp |
| Answer» B. Spores | |
| 304. |
The ultimate cause of |
| A. | Osmosis |
| B. | Photosynthesis |
| C. | Transpiration |
| D. | Diffusion |
| Answer» D. Diffusion | |
| 305. |
Epiphytes |
| A. | Food |
| B. | Mechanical support |
| C. | Shade |
| D. | Water |
| Answer» C. Shade | |
| 306. |
Golden rice |
| A. | Vitamin A |
| B. | Vitamin B |
| C. | Vitamin C |
| D. | Vitamin K |
| Answer» B. Vitamin B | |
| 307. |
Xylem tissue |
| A. | Photosynthesis of plants |
| B. | Transport of water and mineral nutrients in plants |
| C. | Storage of prepared foods in plants |
| D. | Transport of enzymes in plants |
| Answer» D. Transport of enzymes in plants | |
| 308. |
Which one of the following completes the given statement correctly ? |
| A. | ovary |
| B. | flower |
| C. | gynoecium |
| D. | ovule |
| Answer» E. | |
| 309. |
Who of the following invented the cotton gin that separates the seeds from cotton three hundred times faster than by hand ? |
| A. | Eli Whitney |
| B. | George Stephenson |
| C. | McAdam |
| D. | James Watt |
| Answer» B. George Stephenson | |
| 310. |
Certain parts of a plant can be bent easily without breaking. This flexibility in certain parts, like leaf and stem, can be attributed to the abundance of |
| A. | parenchyma |
| B. | collenchyma |
| C. | sclerenchyma |
| D. | xylem and phloem |
| Answer» C. sclerenchyma | |
| 311. |
Lobsters |
| A. | Arachnids |
| B. | Crustaceans |
| C. | Insects |
| D. | Myriopods |
| Answer» C. Insects | |
| 312. |
Contaminated water |
| A. | Hepatitis A |
| B. | Typhoid |
| C. | Measles |
| D. | Cholera |
| Answer» D. Cholera | |
| 313. |
Administering a vaccine provides protection by inducing synthesis of |
| A. | granulocyte |
| B. | lymphocyte |
| C. | erythrocyte (red blood cell) |
| D. | platelet |
| Answer» C. erythrocyte (red blood cell) | |
| 314. |
Biological catalysis |
| A. | hormones |
| B. | vitamins |
| C. | steroids |
| D. | enzymes |
| Answer» E. | |
| 315. |
Among the following elements, which one is essential for the transmission of impulses in the |
| A. | Calcium |
| B. | Iron |
| C. | Sodium |
| D. | Zinc |
| Answer» D. Zinc | |
| 316. |
During which stage of mitosis does |
| A. | Prophase |
| B. | Metaphase |
| C. | Anaphase |
| D. | Telophase |
| Answer» E. | |
| 317. |
Which of the following substances if introduce in the |
| A. | Fibrinogen |
| B. | Prothrombin |
| C. | Heparin |
| D. | Thromboplastin |
| Answer» E. | |
| 318. |
Lysosome arises |
| A. | endoplasmic reticulum |
| B. | golgi apparatus |
| C. | nucleus |
| D. | mitochondria |
| Answer» C. nucleus | |
| 319. |
pH |
| A. | 7.4 |
| B. | 6.2 |
| C. | 9.0 |
| D. | 7.5 - 8.0 |
| Answer» B. 6.2 | |
| 320. |
ICBN |
| A. | International Council for Botanical Nature |
| B. | International Code of Botanical Nomenclature |
| C. | Indian Code of Botanical Nomenclature |
| D. | None of the above |
| Answer» C. Indian Code of Botanical Nomenclature | |
| 321. |
Which of the following systems in man is affected by the |
| A. | Digestive |
| B. | Nervous |
| C. | Excretory |
| D. | Circulatory |
| Answer» C. Excretory | |
| 322. |
'Pond silk' |
| A. | Spongilla |
| B. | Chlorella |
| C. | Selaginella |
| D. | Spirogyra |
| Answer» E. | |
| 323. |
Snakes |
| A. | tympanum |
| B. | body |
| C. | internal ear |
| D. | earth |
| Answer» C. internal ear | |
| 324. |
Frog |
| A. | aminotelic |
| B. | ammonotelic |
| C. | ureotelic |
| D. | uricotelic |
| Answer» D. uricotelic | |
| 325. |
For retting of jute the |
| A. | Methophilic bacteria |
| B. | Clostridium butyrium |
| C. | Helicobactor pylori |
| D. | Streptococcus lactin |
| Answer» C. Helicobactor pylori | |
| 326. |
Largest flower Rafflesia |
| A. | total stem parasite |
| B. | total root parasite |
| C. | partial stem parasite |
| D. | partial root parasite |
| Answer» C. partial stem parasite | |
| 327. |
Animals/organisms |
| A. | plankton |
| B. | pelagic |
| C. | benthon |
| D. | neritic |
| Answer» B. pelagic | |
| 328. |
Collar cells |
| A. | sponges |
| B. | hydra |
| C. | sandworm |
| D. | starfish |
| Answer» B. hydra | |
| 329. |
The group of animals belonging to |
| A. | Paramecium and Leucosolenia |
| B. | Hydra and Amoeba |
| C. | Euglena and Ascaris |
| D. | Paramecium and Plasmodium |
| Answer» E. | |
| 330. |
Which of the following are absent in |
| A. | Xylem vessels |
| B. | Xylem fibres |
| C. | Tracheids and fibres |
| D. | All of these |
| Answer» B. Xylem fibres | |
| 331. |
Book lungs |
| A. | earthworms |
| B. | insects |
| C. | arachnids |
| D. | mammals |
| Answer» D. mammals | |
| 332. |
Marsupial Kangaroo |
| A. | viviparous |
| B. | oviparous |
| C. | ovoviviparous |
| D. | a distinct category |
| Answer» B. oviparous | |
| 333. |
Smooth muscles |
| A. | muscles of legs |
| B. | muscles of arms |
| C. | stomach |
| D. | heart |
| Answer» D. heart | |
| 334. |
The double helix model of |
| A. | C-DNA |
| B. | B-DNA |
| C. | Z-DNA |
| D. | D-DNA |
| Answer» C. Z-DNA | |
| 335. |
Silver fern |
| A. | Adiantum |
| B. | Cheilanthes |
| C. | Selaginella |
| D. | Equisetum |
| Answer» C. Selaginella | |
| 336. |
Biological |
| A. | 40% proteins and 60% lipids |
| B. | 50% proteins and 50% lipids |
| C. | 70% proteins and 30% lipids |
| D. | 60% proteins and 40% lipids |
| Answer» E. | |
| 337. |
F1 particles / oxysome / elementary |
| A. | endoplasmic reticulum |
| B. | chloroplast |
| C. | mitochondria |
| D. | golgi complex |
| Answer» D. golgi complex | |
| 338. |
Which of the following is related to |
| A. | Endoplasmic reticulum |
| B. | Peroxisome |
| C. | Lysosome |
| D. | Mitochondria |
| Answer» B. Peroxisome | |
| 339. |
Peroxisomes |
| A. | glucose |
| B. | fatty acids |
| C. | glycine and serine |
| D. | nucleotides |
| Answer» D. nucleotides | |
| 340. |
Bone |
| A. | osteoclasts |
| B. | osteoblasts |
| C. | chondroblast |
| D. | chondroclasts |
| Answer» C. chondroblast | |
| 341. |
Which of the following acts as an insulator against |
| A. | Dermis |
| B. | Epidermis |
| C. | Subcutaneous fat layer |
| D. | None of the above |
| Answer» D. None of the above | |
| 342. |
When the concentration of |
| A. | hypertonic |
| B. | isotonic |
| C. | hypotonic |
| D. | None of these |
| Answer» D. None of these | |
| 343. |
The function of |
| A. | DNA |
| B. | m-RNA |
| C. | r-RNA |
| D. | t-RNA |
| Answer» D. t-RNA | |
| 344. |
Chromosome |
| A. | early metaphase |
| B. | late metaphase |
| C. | early anaphase |
| D. | early telophase |
| Answer» D. early telophase | |
| 345. |
"Endomitosis" |
| A. | division of nucleus without chromosomal division |
| B. | division of chromosome without nuclear division |
| C. | division of cytoplasm |
| D. | None of the above |
| Answer» C. division of cytoplasm | |
| 346. |
Two bacteria |
| A. | Escherichia and Agrobacterium |
| B. | Nitrobacter and Azotobacter |
| C. | Rhizobium and Diplococcus |
| D. | Nitrosomonas and Klebsiella |
| Answer» B. Nitrobacter and Azotobacter | |
| 347. |
Red snow |
| A. | Chamydomonas nivalis |
| B. | Chlamydomonas reinhardtii |
| C. | Chlamydomonas debaryanum |
| D. | Chalmydomonas media |
| Answer» B. Chlamydomonas reinhardtii | |
| 348. |
Which place in India is called |
| A. | Eastern Himalayas |
| B. | Western Himalayas |
| C. | Western Ghats |
| D. | Eastern Ghats |
| Answer» C. Western Ghats | |
| 349. |
Eutrophication |
| A. | bryophyte |
| B. | algae and aquatic plants |
| C. | gymnosperm |
| D. | pteridophyte |
| Answer» C. gymnosperm | |
| 350. |
A species inhabiting different |
| A. | allopatric species |
| B. | sympatric species |
| C. | bio species |
| D. | sibling species |
| Answer» B. sympatric species | |