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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which is not true about PCR (Polymerase Chain Reaction) ?A. PCR can amplify very small amount of DNAB. It can be used to detect HIV in suspectsC. Only RNA can be used as primerD. Used to detect mutation in genes |
| Answer» Correct Answer - C | |
| 2. |
Which of the following cells release erythropoietin hormone ?A. Macula densaB. Lacis cellsC. Juxtaglomerular cellsD. Mesangial cells |
| Answer» Correct Answer - C | |
| 3. |
Our heart is not pumping blood effectively enough to meet the needs of the body, such condition is known as :-A. Heart attackB. Heart blockC. Heart failureD. Cardiac arrest |
| Answer» Correct Answer - C | |
| 4. |
In a family both parents are carrier for Albinism and both have blood group AB. What will be probability of Albinic and type A blood group in childrens :-A. `3//16`B. `6//16`C. `1//16`D. `4//16` |
| Answer» Correct Answer - C | |
| 5. |
ells which secrete histamine, serotonin and heparin are ?A. FibroblastB. MacrophagesC. Mast cellsD. Plasma cells |
| Answer» Correct Answer - C | |
| 6. |
Some proteolytic enzymes areA. Trypsin, erepsin, pepsinB. Amylopsin, steapsin, ptyalinC. Amylase, lipase, zymaseD. Urease, zymase, dehydrogenase |
| Answer» Correct Answer - A | |
| 7. |
No. of different possible genotype in ABO blood group :A. 4B. 5C. 6D. 8 |
| Answer» Correct Answer - C | |
| 8. |
How many moles of potassium chlorate need to be heated to produce 11.2 litres of oxygen at NTP?A. `1/2`B. `1/3`C. `1/4`D. `2/3` |
| Answer» Correct Answer - B | |
| 9. |
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.A. Monoecious plant bearing unisexual flowersB. Dioecious plant bearing only male or female flowersC. Monoecious plant with bisexual flowersD. Dioecious plant with bisexual flowers |
| Answer» Correct Answer - B | |
| 10. |
Which system gave equal weightage to vegetative and sexual characters ?A. Natural classificationB. Artifical classificationC. Numerical classificationD. Phlogenetic classification |
| Answer» Correct Answer - B | |
| 11. |
Queen victoria of England wasA. Haemophilic carrierB. Colour blindC. AIDS patientsD. Deaf |
| Answer» Correct Answer - A | |
| 12. |
Identify the correct order of bond angle in following species : `overset(oplus)CH_3,CH_4,overset(ϴ)CH_3 `A. `overset(ϴ)CH_3 gt CH_4 gt overset(oplus)CH_3 `B. `CH_4 gt overset(ϴ)CH_3 gt overset(oplus)CH_3 `C. `overset(oplus)CH_3 gt CH_4 gt overset(ϴ)CH_3`D. `overset(oplus)CH_3 gt overset(ϴ)CH_3 gt CH_4` |
| Answer» Correct Answer - C | |
| 13. |
Which of the following is/are involved in cell to cell recognition?A. GlycolipidB. GlycoproteinC. SpectrinD. Both (1) and (2) |
| Answer» Correct Answer - D | |
| 14. |
Which one of the following is a real inducer of lac operon.A. LactoseB. IPTGC. AllolactoseD. `beta` - galactosidase |
| Answer» Correct Answer - C | |
| 15. |
Which of the following is not a characteristics of a community ?A. DominanceB. Species deversityC. NatalityD. Stratification |
| Answer» Correct Answer - C | |
| 16. |
Refer the given flowchart of bio gas production. In which of the following options, correct word for the Stage I, Stage II, Stage III, are given :- A. 1B. 2C. 3D. 4 |
| Answer» Correct Answer - A | |
| 17. |
Which of the following is incorrect regarding the direction of movement of water?A. High water potential `to` Low water potentialB. High pressure potential `to` Low pressure potentialC. High DPD `to`Low DPDD. High TP `to` Low TP |
| Answer» Correct Answer - C | |
| 18. |
Select the incorrect match :- A. 1B. 2C. 3D. 4 |
| Answer» Correct Answer - C | |
| 19. |
Incorrect statement about I - effect is -A. It is permanent effectB. I-effect is distance dependent effectC. It operate through σ bondsD. It applicable only in conjugated molecule |
| Answer» Correct Answer - D | |
| 20. |
What is the potential energy of an electron present in `N-` shell of the `Be^(3+)` ion ?A. `-3.4eV `B. `-6.8 eV `C. `-13.6 eV `D. `-27.2 eV ` |
| Answer» Correct Answer - D | |
| 21. |
The vapour pressure of water at room temperature is 30 mm of Hg. If the mole fraction of water in a solution of non volatile solute is 0.9, the vapour pressure of the solution will be :-A. 30mm of HgB. 24 mm of HgC. 21 mm of HgD. 27 mm of Hg |
| Answer» Correct Answer - D | |
| 22. |
In which of the following molecule central atom is having complete octetA. `BeCl_2` (dimer )B. `BeH_2`(dimeer )C. `BeH_2(s)`D. `BeCl_2(s)` |
| Answer» Correct Answer - D | |
| 23. |
For a given solution pH=6.9 at `60^(@)`C where `K_W=10^(-12)`. The solution is :-A. AcidicB. AlkalineC. NeutralD. Unpredictable |
| Answer» Correct Answer - B | |
| 24. |
Which one of the following structure represent nylon-6, 6 polymer ?A. B. C. D. |
| Answer» Correct Answer - B | |
| 25. |
The charge on `As_(2)S_(3)` sol is due to the adsorbed :A. `H^(+)`B. `OH^(-)`C. `O^(-2)`D. `S^(-2)` |
| Answer» Correct Answer - D | |
| 26. |
are `C_n` epimers. What is n ?A. 3B. 4C. 2D. The given statement is wrong, they are not epimers |
| Answer» Correct Answer - B | |
| 27. |
One mole of `KMnO_(4)` is used for complete oxidation of `Fe_(2)SO_(4),FeC_(2)O_(4) " and " H_(2)C_(2)O_(4)` respectively (and seperately). Pick up the correct statements:A. 5 mole ` FeSO_4` can be oxidisedB. 5/3 mole `FeC_2O_4` can be oxidisedC. 2.5 mole of `H_2C_2O_4` can be oxidisedD. All of these |
| Answer» Correct Answer - D | |
| 28. |
Pick the odd one about PCO/photorespiration cycle :-A. ChloroplastB. MitochondriaC. PeroxysomeD. Sphaerosome |
| Answer» Correct Answer - D | |
| 29. |
Match these columns :- A. A-iv, B-iii, C-ii, D-iB. A-iv, B-iii, C-i, D-iiC. A-iii, B-iv, C-i, D-iiD. A-iii, B-ii, C-iv, D-i |
| Answer» Correct Answer - B | |
| 30. |
Which of the following correctly explains a phase`//`event in cardiac cycle in a standard electrocardiogramA. QRS complex indicates atrial contractionB. QRS complex indicates ventricular contractionC. Time between S and T represents atrial systoleD. P-wave indicates the beginning of ventricular contraction |
| Answer» Correct Answer - B | |
| 31. |
According to Hugo de varies, mutations are :-A. ContinuousB. DirectionalC. SelectiveD. Random |
| Answer» Correct Answer - D | |
| 32. |
The entire collection of plants/seeds having all the diverse allelles for all genes in a given crop in called:A. Hybrid vigourB. Germplasm conservationC. Somaclonal variationD. Germplasm collection |
| Answer» Correct Answer - D | |
| 33. |
Plants and animals by Linnaeus were classified into ?A. Plantae and animalia respectivelyB. Plantae, animalia and fungiC. Fungi, protista, plantae and animaliaD. Protista, plantae and animalia |
| Answer» Correct Answer - A | |
| 34. |
In marine water ecosystem most of the energy in flows through :A. Grazing food chainB. Parasitic food chainC. Detritus food chainD. (2) and (3) both |
| Answer» Correct Answer - A | |
| 35. |
Usually Immune system of body do not participate in rejection against transplantation of :A. Kidney transplantationB. Cornea transplantationC. Liver transplantationD. (1) and (2) both |
| Answer» Correct Answer - B | |
| 36. |
Plants and animals by Linnaeus were classified into ?A. Plantae and animalia respectively B. Plantae, animalia and fungiC. Fungi, protista, plantae and animaliaD. Protista, plantae and animalia |
| Answer» Correct Answer - A | |
| 37. |
MTP is usually not safe during :-A. First trimesterB. Second trimesterC. First 12 weeksD. Both (1) and (3) |
| Answer» Correct Answer - B | |
| 38. |
By the contration in radial muscle of diaphragm it become flattened in shape, so, volume of thoracic cavity increases in :-A. Anterior-posterior axisB. Dorsal-ventral axisC. Anterior-lateral axisD. Dorsal-lateral axis |
| Answer» Correct Answer - A | |
| 39. |
Magnesium allylide is _____, which on treatment with water gives _____A. `Mg_(3)C_(2) to ` AllyleneB. `Mg_(2)C_(3) to` PropyneC. `Mg_(3)C_(2) to ` AcetylineD. `Mg_(2)C to ` Methane |
| Answer» Correct Answer - B | |
| 40. |
`Al|Al_(0.5 M)^(+3)|| Cd_(0.02M)^(+2)|` What will be the electromotive force of this cell at `25^(@)C` `E_(Cd^(+2)//Cd)^(@) =-0.40 V, E_(Al//Al^(+3))^(@) =+1.66 V`A. 2.015 VB. 1.435 VC. 1.215 VD. 2.035 V |
| Answer» Correct Answer - C | |
| 41. |
Which of the following statement is incorrect regarding parturition ?A. Parturition is a complex neuro endocrine mechanismB. Estrogen and progesterone ratio decreasesC. Oxytocin is the main parturition hormoneD. Foetal ejection reflex generates |
| Answer» Correct Answer - B | |
| 42. |
For which reduction, ore should be partially roasted is :-A. SmeltingB. Auto reductionC. Alumino thermite processD. Metal displacement |
| Answer» Correct Answer - B | |
| 43. |
Which one is an epiphyteA. OrchidB. LianasC. SantalumD. Mango |
| Answer» Correct Answer - A | |
| 44. |
In meiosis, sister chromatids separate during :-A. Metaphase-IB. Anaphase-IC. Metaphase-IID. Anaphase-II |
| Answer» Correct Answer - D | |
| 45. |
All given are dry schizocarpic fruits except :-A. LomentumB. CremocarpC. RegmaD. Silicula |
| Answer» Correct Answer - D | |
| 46. |
Members of which class are ectoparasites on true fishes ?A. OstracodermiB. CyclostomataC. ChondrichthyesD. Osteichthyes |
| Answer» Correct Answer - B | |
| 47. |
Example of Echinodermates is :-A. ChitonB. EchinusC. LimulusD. Apis |
| Answer» Correct Answer - B | |
| 48. |
How many NADPH molecules are required to form one sucrose ?A. 12 NADPHB. 2 NADPHC. 24 NADPHD. 6 NADPH |
| Answer» Correct Answer - C | |
| 49. |
Which of the following molecules is expected to be the most ionic ?A. `Fe_(3)O_(4)`B. `SnCl_(4)`C. `MnO`D. `CO` |
| Answer» Correct Answer - C | |
| 50. |
A car acceleration from rest at a constant rate `2m//s^(2)` for some time. Then, it retards at a constant rate of `4 m//s^(2)` and comes to rest. If it remains motion for 3 second, then the maximum speed attained by the car is:-A. 2 m/secB. 3 m/secC. 4 m/secD. 6 m/sec |
| Answer» Correct Answer - C | |