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MCQOPTIONS
This section includes 6820 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 1251. |
The union of which chromosomes in a human will give birth to a child? |
| A. | X of male X of female |
| B. | X of man, Y of woman |
| C. | Y of male and X of female |
| D. | Man's Y Woman's Y |
| Answer» D. Man's Y Woman's Y | |
| 1252. |
The scientist who gave the present name of the gene is? |
| A. | Heldon |
| B. | mendel |
| C. | galton |
| D. | johansson |
| Answer» E. | |
| 1253. |
Who is the first scientist to synthesizegenein the laboratory? |
| A. | mendel |
| B. | Darwin |
| C. | Watson |
| D. | Khurana |
| Answer» E. | |
| 1254. |
When will the boy be born? . . |
| A. | The baby has chromosome XXYY |
| B. | The child has chromosome YY |
| C. | baby has chromosome XY |
| D. | baby has chromosome XX |
| Answer» D. baby has chromosome XX | |
| 1255. |
In the children of a color blind man and a normal woman, what is the probability that the sons will be color blind? |
| A. | 50 percent |
| B. | 33 percent |
| C. | 25 percent |
| D. | 0 percent |
| Answer» E. | |
| 1256. |
is it genes? |
| A. | part of liver |
| B. | R. N. a |
| C. | part of a chromosome |
| D. | D . N. a part of a |
| Answer» E. | |
| 1257. |
If a color blind man is married to a normal daughter of another blind man, what will happen to the children? |
| A. | all daughters color blind |
| B. | All sons are color blind |
| C. | Half son color blind |
| D. | none of the daughters |
| Answer» D. none of the daughters | |
| 1258. |
Which one of the following techniques is used to establish the paternity of a child? |
| A. | Protein analysis |
| B. | chromosome multiplication |
| C. | D . N. a . quantitative analysis of |
| D. | D . N. a . finger printing |
| Answer» E. | |
| 1259. |
What is the number of autosomes in a normal human sperm? |
| A. | 20 pair |
| B. | 21 pair |
| C. | 22 pair |
| D. | 23 pair |
| Answer» D. 23 pair | |
| 1260. |
Why are all children of one parent not the same? |
| A. | genetic variation |
| B. | Variation of Environments |
| C. | both of the above |
| D. | none of these |
| Answer» D. none of these | |
| 1261. |
Who is called the father of genetics? |
| A. | lamarck |
| B. | Darwin |
| C. | mendel |
| D. | Khurana |
| Answer» D. Khurana | |
| 1262. |
How many bones does a newborn have? |
| A. | 206 |
| B. | 230 |
| C. | 270 |
| D. | 300 |
| Answer» E. | |
| 1263. |
Extra sperm cannot enter the fertilized egg because |
| A. | Sperm die. |
| B. | A fertilized cone is not formed. |
| C. | A fertilized membrane is formed. |
| D. | development begins in the egg |
| Answer» D. development begins in the egg | |
| 1264. |
What genetic traits are found in offspring in organisms? |
| A. | by ribosome |
| B. | by chromosome |
| C. | by plasma |
| D. | by lysosomes |
| Answer» C. by plasma | |
| 1265. |
What is the function of acrosome of sperm? |
| A. | provide energy for sperm movement |
| B. | activate the egg |
| C. | penetrating egg |
| D. | nourish the sperm |
| Answer» C. penetrating egg | |
| 1266. |
Can agenebe expressed? |
| A. | unit of heredity |
| B. | D . N. a . a part of |
| C. | unit of mutation |
| D. | all these ways |
| Answer» E. | |
| 1267. |
DNA was first synthesized in the laboratory? |
| A. | the miller |
| B. | Khurana has |
| C. | De Breeze |
| D. | by calvin |
| Answer» C. De Breeze | |
| 1268. |
How many mitosis will be required to produce 64 cells? |
| A. | 8 |
| B. | 16 |
| C. | 32 |
| D. | 6 |
| Answer» E. | |
| 1269. |
What chromosomes are responsible for determining the sex of children? |
| A. | father's |
| B. | mother's |
| C. | both mother and father |
| D. | none of these |
| Answer» B. mother's | |
| 1270. |
How is the sex of children determined in the human race? |
| A. | through the X chromosome from the mother |
| B. | Y chromosome from father |
| C. | By all the chromosomes coming from the father |
| D. | By the X or Y chromosome coming from the father |
| Answer» E. | |
| 1271. |
Teeth are mainly made of? |
| A. | of enamel |
| B. | of dentine |
| C. | Of marrow |
| D. | of odontoblasts |
| Answer» C. Of marrow | |
| 1272. |
The death of a cell or tissue inside a living body is called? |
| A. | neutrophilia |
| B. | Nephrosis |
| C. | Necrosis |
| D. | Neoplasia |
| Answer» B. Nephrosis | |
| 1273. |
In which of the following lineages heterozygosity is found? |
| A. | marcencia |
| B. | Marseille |
| C. | funeria |
| D. | Equisetum |
| Answer» C. funeria | |
| 1274. |
Biopsy related? |
| A. | dissection of the dead body to know the cause of death |
| B. | testing in an unconscious state |
| C. | separating tissues from the body for testing |
| D. | treating hydrophobia |
| Answer» D. treating hydrophobia | |
| 1275. |
A ligament is a structure that connects? |
| A. | from bones to muscles |
| B. | bone to bone |
| C. | nerves to bones |
| D. | skin to muscle |
| Answer» C. nerves to bones | |
| 1276. |
What is the invention of blood group? |
| A. | landsteiner |
| B. | William Harvey |
| C. | Robert Koch |
| D. | Louis Pasteur |
| Answer» B. William Harvey | |
| 1277. |
What do the lacrimal glands secrete? |
| A. | sebum |
| B. | mucus |
| C. | tears |
| D. | Sweat |
| Answer» D. Sweat | |
| 1278. |
Where are master cells found? |
| A. | in connective tissue |
| B. | in muscle tissue |
| C. | in nervous tissue |
| D. | in blood tissue |
| Answer» B. in muscle tissue | |
| 1279. |
Wrinkles occur in the skin in old age, the reason for this? |
| A. | Due to reduced circulation of blood in the skin |
| B. | Due to reduced flexibility in the subcutaneous layer |
| C. | lack of adipose tissue in the skin |
| D. | Due to excess of melanin and melanocytes in the skin |
| Answer» C. lack of adipose tissue in the skin | |
| 1280. |
Human skin is thickest? |
| A. | on the palm |
| B. | on the floor |
| C. | on the torso |
| D. | On the head |
| Answer» C. on the torso | |
| 1281. |
Who is the father of the law of heredity? |
| A. | newton |
| B. | Wallace |
| C. | mendel |
| D. | lamarck |
| Answer» D. lamarck | |
| 1282. |
Who is known as the father of heredity? |
| A. | Theophrastus |
| B. | Huxley |
| C. | lamarck |
| D. | Gregor John Mandel |
| Answer» E. | |
| 1283. |
Haversian system is found in? |
| A. | in fish bones |
| B. | in the bones of birds |
| C. | in breast bones |
| D. | in the bones of reptiles |
| Answer» D. in the bones of reptiles | |
| 1284. |
What is the conduction of sensation from one part of the body to another? |
| A. | muscular tissue |
| B. | epithelial tissue |
| C. | connective tissue |
| D. | nervous tissue |
| Answer» E. | |
| 1285. |
Where are sebaceous glands found? |
| A. | in the epidermis of the skin of mammals |
| B. | in the dermis of the skin of mammals |
| C. | in gastric epithelium |
| D. | in the epithelium of the intestine |
| Answer» C. in gastric epithelium | |
| 1286. |
D. N. a . who propounded the synthesis |
| A. | Ochoa |
| B. | Kornberg |
| C. | lamarck |
| D. | hertz |
| Answer» C. lamarck | |
| 1287. |
Who propounded the theory of floating gene? |
| A. | mendel |
| B. | morgan |
| C. | McClintack |
| D. | hertz |
| Answer» D. hertz | |
| 1288. |
Was there a special connection with natural selection? |
| A. | Of Charles Darwin |
| B. | Robert Hooke's |
| C. | De Breeze's |
| D. | Lamarck's |
| Answer» B. Robert Hooke's | |
| 1289. |
The hormone insulin used for the treatment of diabetes was invented by- |
| A. | F . G. by banting |
| B. | Schleiden and Schwann |
| C. | by brown |
| D. | by hook |
| Answer» B. Schleiden and Schwann | |
| 1290. |
D. N. a . Who first outlined the structure of? |
| A. | Meghnath Saha |
| B. | Stephen Hawking |
| C. | Watson and Crick |
| D. | Alexander Fleming |
| Answer» D. Alexander Fleming | |
| 1291. |
Which scientist discovered that malaria is caused by mosquitoes? |
| A. | Ronald Ross |
| B. | C . V Raman |
| C. | a . Fleming |
| D. | Max Planck |
| Answer» B. C . V Raman | |
| 1292. |
In which field did Hargobind Khurana get the prestigious Nobel Prize? |
| A. | biochemistry |
| B. | medical science |
| C. | by sebene |
| D. | Economics |
| Answer» C. by sebene | |
| 1293. |
Oncology is the study of what? |
| A. | birds |
| B. | cancer |
| C. | mammal |
| D. | Earth |
| Answer» C. mammal | |
| 1294. |
Leprosy Bacillus was invented by - |
| A. | the coach |
| B. | by Hansen |
| C. | Fleming |
| D. | Harvey has |
| Answer» C. Fleming | |
| 1295. |
What is studied under paleontology |
| A. | Brain |
| B. | plant |
| C. | primates |
| D. | fossil |
| Answer» E. | |
| 1296. |
Who invented the stethoscope? |
| A. | Jenner has |
| B. | Laney |
| C. | by sebene |
| D. | Pasteur has |
| Answer» C. by sebene | |
| 1297. |
Who among the following propounded the theory of evolution based on the principles ofnatural selectionor survival of the best? |
| A. | lamarck |
| B. | D . Breeze |
| C. | mendel |
| D. | by Darwin |
| Answer» E. | |
| 1298. |
What is histology related to? |
| A. | tissue |
| B. | Virus |
| C. | protoplasm |
| D. | the cell |
| Answer» B. Virus | |
| 1299. |
The cradle of bees is called? |
| A. | apiculture |
| B. | sericulture |
| C. | Horticulture |
| D. | PCculture |
| Answer» B. sericulture | |
| 1300. |
The study of insects is called? |
| A. | Anthropology |
| B. | entomology |
| C. | Ontology |
| D. | Ectology |
| Answer» C. Ontology | |