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MCQOPTIONS
This section includes 200950 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 13251. |
The compounds leading to origin of life were. |
| A. | Urea and Nucleic acids |
| B. | Proteins and amino acids |
| C. | Amino acids and urea |
| D. | Proteins and nucleic acids |
| Answer» E. | |
| 13252. |
Which is naturally occurring anti-malarial drug ? |
| A. | Artimisinine |
| B. | Quinacrine |
| C. | Mepacrine |
| D. | Mefloquine |
| Answer» B. Quinacrine | |
| 13253. |
The enzyme that converts glucose to ethyl alcohol is. |
| A. | Diastase |
| B. | Zymase |
| C. | Maltase |
| D. | Invertase |
| Answer» C. Maltase | |
| 13254. |
Which of the following is not present in the blood ? |
| A. | RBCs |
| B. | Plasma |
| C. | Placenta |
| D. | WBCs |
| Answer» D. WBCs | |
| 13255. |
Which of the following is fundamentally the Rh factor ? |
| A. | An vitamin deficiency |
| B. | A form of anaemia |
| C. | An antigen-antibody reaction |
| D. | A hormonal reaction |
| Answer» D. A hormonal reaction | |
| 13256. |
Life of a/an RBC in human blood is ___ . |
| A. | 30 days |
| B. | 15 hours |
| C. | 120 days |
| D. | None of these |
| Answer» D. None of these | |
| 13257. |
TheTheory of Natural Selection' was proposed by - |
| A. | J.B.S. Haldane |
| B. | C.R. Darwin |
| C. | A.I. Oparin |
| D. | G.J. Mandel |
| Answer» C. A.I. Oparin | |
| 13258. |
How many pairs of contrasting characters in pea pod were chosen by Mendel ? |
| A. | 7 |
| B. | 5 |
| C. | 3 |
| D. | 9 |
| Answer» D. 9 | |
| 13259. |
Identify the group which includes animals all of which give birth to young ones directly. |
| A. | Dolphin, Kangaroo, Bat, Cat |
| B. | Lion, Whale, Ostrich, Bat |
| C. | Shrew, Bat, Kiwi, Cat |
| D. | Platypus, Penguin, Bat, Hippopotamus |
| Answer» B. Lion, Whale, Ostrich, Bat | |
| 13260. |
Identify the incorrect statement with respect to Calvin cycle. |
| A. | The first stable intermediate compound formed is phosphoglycerate. |
| B. | 18 molecules of ATP are synthesised during carbon fixation. |
| C. | NADPH + H+ produced in light reaction is used to reduce diphosphoglycerate. |
| D. | NADPH + H+ produced in light reaction is used to reduce diphosphoglycerate. |
| Answer» C. NADPH + H+ produced in light reaction is used to reduce diphosphoglycerate. | |
| 13261. |
If a cross between two individuals produces offsprings with 50% dominant character (A) and 50% recessive character (a) the genotype of parents are ? |
| A. | Aa × aa |
| B. | Aa × Aa |
| C. | AA × aa |
| D. | AA × Aa |
| Answer» B. Aa × Aa | |
| 13262. |
In 24 hours, total glomerular filtrate formed in human kidney is- |
| A. | 17 litres |
| B. | 7 litres |
| C. | 170 litres |
| D. | 1.7 litres |
| Answer» D. 1.7 litres | |
| 13263. |
Glucose and amino acids are reabsorbed in the. |
| A. | proximal tubule |
| B. | distal tubule |
| C. | collecting duct |
| D. | Ioop of Henle |
| Answer» B. distal tubule | |
| 13264. |
How do you differentiate a butterfly from a moth? |
| A. | Moth has one pair of wings but butterfly has two pairs of wings. |
| B. | Moth has feathery antennae but butterfly has club shaped antennae. |
| C. | Moth has simple eyes but butterfly has compound eyes. |
| D. | Moth is diurnal but butterfly is nocturnal. |
| Answer» C. Moth has simple eyes but butterfly has compound eyes. | |
| 13265. |
How do you differentiate a frog from a toad ? |
| A. | Frog has no exoskeleton but toad has scales |
| B. | Frog respires through lungs but toad respires through skin |
| C. | Frog has a tail but toad has no tail |
| D. | Frog has no parotid glands but toad has a pair of parotid glands |
| Answer» E. | |
| 13266. |
Gastrula has a pore which is known as _______. |
| A. | Blastopore |
| B. | Oospore |
| C. | Zoospore |
| D. | Gonophore |
| Answer» B. Oospore | |
| 13267. |
Gametophyte is the dominant phase in the lifecycle of ________. |
| A. | Nephrolepis |
| B. | Hibiscus |
| C. | Riccia |
| D. | Cycas |
| Answer» D. Cycas | |
| 13268. |
Banana bunchytop virus is transmitted through. |
| A. | Aedes aegypti |
| B. | Pentalonia nigronervosa |
| C. | Culex sp |
| D. | Agribacterium sp |
| Answer» C. Culex sp | |
| 13269. |
Four children belonging to the same parents have the following blood groups A, B, AB and O. Hence, the genotypes of the two parents are ______. |
| A. | Both parents are homozygous for ‘A’ group |
| B. | One parent is homozygous for ‘A’ and another parent is homozygous for ‘B’ |
| C. | One parent is heterozygous for ‘A’ and another parent is heterozygous for ‘B’ |
| D. | Both parents are homozygous for ‘B’ group |
| Answer» D. Both parents are homozygous for ‘B’ group | |
| 13270. |
Identify the correct statement : |
| A. | The age of the plant can be determined by its height. |
| B. | Healing of damaged tissue is because of the activity of sclerenchyma cells. |
| C. | Grafting is difficult in monocot plants as they have scattered vascular bundles. |
| D. | Because of marked climatic variations, plants growing near the sea shore do not produce annual rings. |
| Answer» D. Because of marked climatic variations, plants growing near the sea shore do not produce annual rings. | |
| 13271. |
According to Darwin, evolution is _______. |
| A. | a sudden but discontinuous process. |
| B. | a slow and discontinuous process. |
| C. | a slow, gradual and continuous process. |
| D. | a slow, sudden and discontinuous process. |
| Answer» D. a slow, sudden and discontinuous process. | |
| 13272. |
According to Boyle’s law, the product of pressure and volume is a constant. Hence, |
| A. | if volume of lungs is increased, the pressure also increases proportionately. |
| B. | if volume of lungs is increased. the pressure decreases proportionately. |
| C. | if volume of lungs is increased, the pressure remains the same. |
| D. | if volume of lungs is increased, the pressure decreases disproportionately. |
| Answer» C. if volume of lungs is increased, the pressure remains the same. | |
| 13273. |
A true breeding plant producing red flowers is crossed with a pure plant producing white flowers. Allele for red colour of flower is dominant. After selfing the plants of first filial generation. the proportion of plants producing white flowers in the progeny would be. |
| A. | 1/3 |
| B. | 1/4 |
| C. | 1/2 |
| D. | 3/4 |
| Answer» C. 1/2 | |
| 13274. |
An animal which has both exoskeletal and endoskeletal structures is |
| A. | Tortoise |
| B. | Frog |
| C. | Jelly fish |
| D. | Fresh water mussel |
| Answer» B. Frog | |
| 13275. |
Dog distemper is a disease carried by a ________. |
| A. | viroid |
| B. | bacterium |
| C. | virus |
| D. | prion |
| Answer» D. prion | |
| 13276. |
DNA gyrase, the enzyme that participates in the process of DNA replication is a type of |
| A. | DNA Topoisomerase |
| B. | DNA Polymerase |
| C. | DNA Ligase |
| D. | Reverse Transcriptase |
| Answer» B. DNA Polymerase | |
| 13277. |
Due to nondisjunction of chromosomes during spermatogenesis, sperms carry both sex chromosomes (22A XY) and some sperms do not carry any sex chromosome (22A O).If these sperms fertilize normal eggs (22A X), what types of genetic disorders appear among the offsprings? |
| A. | Down’s syndrome and Klinefelter’s syndrome |
| B. | Turner’s syndrome and Klinefelter’s syndrome |
| C. | Down’s syndrome and Cri-du-chat syndrome |
| D. | Down’s syndrome and Turner’s syndrome |
| Answer» C. Down’s syndrome and Cri-du-chat syndrome | |
| 13278. |
A flower which can be divided into two equal halves by only one plane is |
| A. | Zygomorphic |
| B. | Actinomorphic |
| C. | Regular |
| D. | Perfect |
| Answer» B. Actinomorphic | |
| 13279. |
Edible part of Mushroom is |
| A. | Primary mycelium |
| B. | Fungal hyphae |
| C. | Basidiocarp |
| D. | Basidiospores |
| Answer» D. Basidiospores | |
| 13280. |
During Lactic acid fermentation, _______. |
| A. | O2 is used, CO2 is not liberated. |
| B. | neither O2 is used, nor CO2 is liberated. |
| C. | O2 is not used, CO2 is liberated. |
| D. | O2 is used, CO2 is liberated. |
| Answer» C. O2 is not used, CO2 is liberated. | |
| 13281. |
Electric potential of the brain is recorded by |
| A. | ECG |
| B. | EEG |
| C. | CT Scan |
| D. | Sphygmomanometer |
| Answer» C. CT Scan | |
| 13282. |
Example of water soluble plant pigment is |
| A. | Anthocyanin |
| B. | Chlorophyll-b |
| C. | Xanthophyll |
| D. | Chlorophyll-a |
| Answer» B. Chlorophyll-b | |
| 13283. |
Everytime, when the dosage of a drug has to be increased to achieve the same ‘kick’ that initially occurred in response to a smaller dose, this condition is known as _______. |
| A. | Withdrawal symptoms |
| B. | Rebound effect |
| C. | Tolerance |
| D. | Addiction |
| Answer» D. Addiction | |
| 13284. |
Electrons used in Electron Microscope are of the wavelength |
| A. | 0.25 Å |
| B. | 0.05 Å |
| C. | 0.15 Å |
| D. | 0.30 Å |
| Answer» C. 0.15 Å | |
| 13285. |
Examples for lateral meristems are |
| A. | Phellogen and procambium |
| B. | Procambium and dermatogen |
| C. | Fascicular cambium and procambium |
| D. | Fascicular cambium and cork cambium |
| Answer» E. | |
| 13286. |
Match the compounds given in column-I with the number of carbon atoms present in them which are listed under column-II. Choose the answer which gives the correct combination of alphabets of the two columns.Column - I Column - IIA. Oxaloacetate p. 6 - C compoundB. Phosphoglyceraldehyde q. 5 - C compoundC. lsocitrate r. 4 - C compoundD. a-Ketoglutarate s. 3 - C compound t. 2 - C compoun |
| A. | A = r, B = s, C = p, D = q |
| B. | A = r, B = t. C = p, D = q |
| C. | A = q. B = s. C = p. D = t |
| D. | A = s, B = t. C = q, D = r |
| Answer» B. A = r, B = t. C = p, D = q | |
| 13287. |
Inulin is a polymer of |
| A. | Fructose |
| B. | Arabinose |
| C. | Galactose |
| D. | Glucose |
| Answer» B. Arabinose | |
| 13288. |
Fleshy fruits with stony endocarp are called |
| A. | Capsules |
| B. | Drupes |
| C. | Pomes |
| D. | Berries |
| Answer» C. Pomes | |
| 13289. |
Kupffer’s cells are ? |
| A. | Actin |
| B. | Phagocytic |
| C. | Myosin |
| D. | Fibrin |
| Answer» C. Myosin | |
| 13290. |
Fertilization occur in |
| A. | Fallopian tube |
| B. | Vagina |
| C. | Ureter |
| D. | Uterus |
| Answer» B. Vagina | |
| 13291. |
Match the names of the economically important plants (or their products) listed in Column-I with the families to which they belong given in column-II. Choose the answer which gives the correct combination of alphabets of the two columns :Column - I Column - IIA. Sunflower p. AcanthaceaeB. Tulsi q. CompositaeC. Coffee r. LabiataeD. Vasaka s. Rubiaceae t. Euphorbiaceae |
| A. | A = q, B = s, C = p, D = t |
| B. | A = q, B = r, C = s, D = p |
| C. | A = s, B = r, C = p, D = q |
| D. | A = r, B = t. C = s, D = q |
| Answer» C. A = s, B = r, C = p, D = q | |
| 13292. |
Match the types of immunity listed in Column I with the examples listed in Column II.Choose the answer that gives the correct combination of alphabets of the two columns :Column I Column IITypes of immunity ExampleA. Natural active p. Immunity developed by heredityB. Artificial passive q. From mother to foetus through placentaC. Artificial active r. Injection of antiserum to travellersD. Natural passive s. Fighting infections naturally t. Induced by vaccination |
| A. | A = t, B = s, C = r, D = p |
| B. | A = s, B = t, C = q, D = r |
| C. | A = s, B = r, C = t, D = q |
| D. | A = p, B = q, C = r, D)=t |
| Answer» D. A = p, B = q, C = r, D)=t | |
| 13293. |
Mannitol is ? |
| A. | Sugar acid |
| B. | Sugar alcohol |
| C. | Amino alcohol |
| D. | Amino Acid |
| Answer» C. Amino alcohol | |
| 13294. |
Match the types of the fruits listed in Column I, with the examples listed on Column II. Choose the answer which gives the correct combination of alphabets of the two columns.Column – I Column – IIA. Capsule p. PaddyB. Berry q. MangoC. Drupe r. SunflowerD. Cypsela s. Tomato t. Ladies finger |
| A. | A = t, B = s, C = q, D = r |
| B. | A = t, B = r, C = p, D = q |
| C. | A = s, B = t, C = q, D = r |
| D. | A = p, B = q, C = r, D = t |
| Answer» B. A = t, B = r, C = p, D = q | |
| 13295. |
lf the person shows the production of interferons in his body, chances are that he is suffering from |
| A. | Measles |
| B. | Anthrax |
| C. | Tetanus |
| D. | Malaria |
| Answer» B. Anthrax | |
| 13296. |
Longest phase of meiosis. |
| A. | Prophase II |
| B. | Prophase I |
| C. | Anaphase I |
| D. | Metaphase II |
| Answer» C. Anaphase I | |
| 13297. |
lf the systolic pressure is 120 mm Hg and diastolic pressure is 80 mm Hg, the pulse pressure is ______. |
| A. | 120 + 80 = 200mmHg |
| B. | 120 x 80 = 9600mmHg |
| C. | l20 - 80 = 40mmHg |
| D. | 120/80 = mmHg |
| Answer» D. 120/80 = mmHg | |
| 13298. |
Meissner’s corpuscles occur in. |
| A. | Brain |
| B. | Nerve cells |
| C. | Skin |
| D. | Tongue |
| Answer» D. Tongue | |
| 13299. |
Mendel found that the reciprocal crosses yielded identical results. From that he concluded that _______. |
| A. | sex plays a role in deciding the dominance of a trait. |
| B. | there is independent assortment of traits. |
| C. | sex has no influence on the dominance of traits. |
| D. | there is no dominance of any trait. |
| Answer» D. there is no dominance of any trait. | |
| 13300. |
A plant cell becomes turgid due to |
| A. | Endosmosis |
| B. | Electrolysis |
| C. | Exosmosis |
| D. | Plasmolysis |
| Answer» B. Electrolysis | |