

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.
301. |
Leukemia is a disease of the- |
A. | Pancreas |
B. | Blood |
C. | Liver |
D. | Kidney |
Answer» C. Liver | |
302. |
Which part of eye becomes inflamed and pink when dust gets into it ? |
A. | Cornea |
B. | Choroids |
C. | Conjunctiva |
D. | Sclerotic |
Answer» D. Sclerotic | |
303. |
Study of internal structure of organism is called : |
A. | Anatomy |
B. | Agrology |
C. | Agrostology |
D. | Agronomy |
Answer» B. Agrology | |
304. |
Rickets is caused by deficiency of |
A. | Vitamin d |
B. | Vitamin c |
C. | Vitamin a |
D. | Vitamin k |
Answer» C. Vitamin a | |
305. |
Who invented Polio Vaccine |
A. | Luvenhauk - leeuwenhock |
B. | Harrison and sympson |
C. | Karl landsteiner |
D. | Johan e. salk |
Answer» E. | |
306. |
Healing of wounds is hastened by vitamin ? |
A. | Vitamin a |
B. | Vitamin b1 |
C. | Vitamin b2 |
D. | Vitamin c |
Answer» E. | |
307. |
Wood used in making cricking cricket bats is got from- |
A. | Tectona grandis |
B. | Salix alba / salbix purpurea |
C. | Morus alba / morus nigra |
D. | Cedrus deodara |
Answer» C. Morus alba / morus nigra | |
308. |
Study of factors connected with the improvement of human race ? |
A. | Euthenics |
B. | Eugenics |
C. | Evolution |
D. | Embryology |
Answer» C. Evolution | |
309. |
Largest leaves occur in- |
A. | Raflesia |
B. | Victoria |
C. | Banana |
D. | Nicotiana |
Answer» C. Banana | |
310. |
Which part of the human body coordinates the functions of various organs ? |
A. | Brain |
B. | Kidney |
C. | Liver |
D. | Heart |
Answer» B. Kidney | |
311. |
Which among the following blood protein regulates the amount of water in plasma ? |
A. | Globulin |
B. | Fibulin |
C. | Fibrin |
D. | Albumin |
Answer» E. | |
312. |
RNA means- |
A. | Ribonucleic acid |
B. | Ribonucleus acid |
C. | Ribonucleus alkaline |
D. | Ribonucleus alum |
Answer» B. Ribonucleus acid | |
313. |
Algae is |
A. | Filamentous |
B. | Colonial |
C. | Unicellular |
D. | All of these |
Answer» E. | |
314. |
The poison of honey bee is |
A. | Protein |
B. | Saltish |
C. | Acidic |
D. | Alkaline |
Answer» D. Alkaline | |
315. |
Bronchitis is a disease of |
A. | Respiratory tract |
B. | Liver |
C. | Bladder |
D. | Blood |
Answer» B. Liver | |
316. |
Which is not a part of blood ? |
A. | Placenta |
B. | Rbc |
C. | Wbc |
D. | Plasma |
Answer» B. Rbc | |
317. |
What is the name of largest fruit ? |
A. | Lodoicea |
B. | Wolfia |
C. | Eucalyptus |
D. | Orchid |
Answer» B. Wolfia | |
318. |
Who invented Vitamin - |
A. | F.g. hopkins |
B. | Mc. collum |
C. | Holst |
D. | Ronald ross |
Answer» B. Mc. collum | |
319. |
Branch of science which used in test of breast cancer ? |
A. | Mammography |
B. | Morphology |
C. | Mycology |
D. | Microbiology |
Answer» D. Microbiology | |
320. |
The quantity of human blood is what percent of total weight ? |
A. | 5% |
B. | 7% |
C. | 10% |
D. | 4% |
Answer» C. 10% | |
321. |
The most abundant constituent of atmospheric air is ? |
A. | Hydrogen |
B. | Nitrogen |
C. | Oxygen |
D. | Carbon dioxide |
Answer» C. Oxygen | |
322. |
Plants growing on sand are known as |
A. | Psammophytes |
B. | Oxylophytes |
C. | Chasmophytes |
D. | Lithophytes |
Answer» B. Oxylophytes | |
323. |
Eggs is not a source of - |
A. | Vitamin c |
B. | Fats |
C. | Protein |
D. | Vitamin d |
Answer» B. Fats | |
324. |
Quinine is extracted from the bark of : |
A. | Eucalyptus |
B. | Cadar |
C. | Neem |
D. | Cinchona |
Answer» E. | |
325. |
Pigmentation of skin is due to : |
A. | Melanocytes |
B. | Leucocytes |
C. | Lymphocytes |
D. | Monocytes |
Answer» B. Leucocytes | |
326. |
Who invented Insulin |
A. | Stenach |
B. | Banting |
C. | Christian bernard |
D. | Edwards and stepto |
Answer» C. Christian bernard | |
327. |
Venom of cobra attacks on - |
A. | Circulatory system |
B. | Digestive system |
C. | Respiratory system |
D. | Nervous system |
Answer» B. Digestive system | |
328. |
Which among the following hormone can be used as a drug to treat cardiac arrest ? |
A. | Insulin |
B. | Epinphrine |
C. | Thyroxin |
D. | Calcitonin |
Answer» C. Thyroxin | |
329. |
Study of fossils is called |
A. | Pomology |
B. | Phycology |
C. | Psychiatry |
D. | Paleontology |
Answer» E. | |
330. |
The blood pressure of normal human is |
A. | 110 / 80 |
B. | 120 / 80 |
C. | 110 / 90 |
D. | 120 / 90 |
Answer» C. 110 / 90 | |
331. |
DNA is- |
A. | Double nucleic acid |
B. | Deoxyribo nucleic acid |
C. | Deoxyribo nucleic alum |
D. | Deoxy nucleic acid |
Answer» C. Deoxyribo nucleic alum | |
332. |
Scurvy is caused by deficiency of |
A. | Vitamin c |
B. | Vitamin d |
C. | Vitamin a |
D. | Vitamin b |
Answer» B. Vitamin d | |
333. |
Plants developing in dry conditions are ? |
A. | Mesophytes |
B. | Lithophytes |
C. | Xerophytes |
D. | Hydrophytes |
Answer» D. Hydrophytes | |
334. |
Which among following is not a biotic component ? |
A. | Decomposers |
B. | Composers |
C. | Consumer |
D. | Producer |
Answer» C. Consumer | |
335. |
Largest gland of Human body- |
A. | Liver |
B. | Heart |
C. | Kidneys |
D. | None of these |
Answer» B. Heart | |
336. |
Milk fever in cow is caused due to the deficiency of |
A. | Protein |
B. | Calcium |
C. | Nitrogen |
D. | Phosphorus |
Answer» C. Nitrogen | |
337. |
Rubber is obtained from |
A. | Latex |
B. | Gun |
C. | Resin |
D. | Cell sap |
Answer» B. Gun | |
338. |
What is scientific name of man ? |
A. | Homo spaiens |
B. | Rana tigrina |
C. | Felis domestica |
D. | Canis familaris |
Answer» B. Rana tigrina | |
339. |
Beri-Beri is caused by the lack of vitamin |
A. | Vitamin a |
B. | Vitamin c |
C. | Vitamin b1 |
D. | Vitamin k |
Answer» D. Vitamin k | |
340. |
What is pH value of human blood ? |
A. | 7.4 |
B. | 7.0 |
C. | 7.8 |
D. | 7.2 |
Answer» B. 7.0 | |
341. |
On an average how many litres of blood a human body have ? |
A. | 2-3 litre |
B. | 12-14 litre |
C. | 8-10 litre |
D. | 5-6 litre |
Answer» E. | |
342. |
Plants synthesise protein from |
A. | Sugar |
B. | Fatty acid |
C. | Starch |
D. | Amino acid |
Answer» E. | |
343. |
Influenza is caused by |
A. | Bacteria |
B. | Fungus |
C. | Virus |
D. | None of these |
Answer» D. None of these | |
344. |
Study of pulse and arterial pressure is called |
A. | Sonography |
B. | Sphygmology |
C. | Saurology |
D. | Rhinology |
Answer» C. Saurology | |
345. |
What provides instant energy ? |
A. | Sugar |
B. | Fat |
C. | Protein |
D. | Carbohydrates |
Answer» E. | |
346. |
Myopia is connected with ? |
A. | Legs |
B. | Ear |
C. | Nose |
D. | Eyes |
Answer» E. | |
347. |
Which is not an example of fungi ? |
A. | Albugo |
B. | Mushroom |
C. | Pulp |
D. | Mucor |
Answer» D. Mucor | |
348. |
One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. |
A. | Having waited a day, it is too late to take an antibiotic |
B. | You need an antiseptic, not an antibiotic |
C. | You need to be vaccinated instead of taking an antibiotic |
D. | You are infected by a virus |
Answer» E. | |
349. |
Non-clotting of blood is caused by deficiency of |
A. | Vitamin k |
B. | Vitamin c |
C. | Vitamin a |
D. | Vitamin b |
Answer» B. Vitamin c | |
350. |
Herbicides are used to control ? |
A. | Weeds |
B. | Nematodes |
C. | Insects |
D. | Fungi |
Answer» B. Nematodes | |