General knowledge question answer

1. Which one of following is not a breed of sheep?
(A) Megra (B) Malpuri
(B) Bagri (D) Nachna✓

2. Which one of the following is not a reason for Desertification?
(A) Extreme weather conditions (B) Increasing population
(B) Deforestation (D) Use of Acidic land✓

3. Which ecosystem has the maximum biomass?
(A) Lake (B) Pond
(B) Forest✓ (D) Grassland

4. At what time after childbirth is the DPT vaccine administered to a newborn?
(A) 6 weeks✓ (B) 6 months
(B) 6 days (D) 6 hrs

5. Which of the following organs do not produce digestive juices?
(A) Stomach (B) Liver
(B) Pancreas (D) Urinary bladder✓

6. Which blood group is known as UniversalDonor?
(A) 'A' (B) 'B'
(B) 'AB' (D) '0'✓

7. Which hormone is produced in insufficient amounts• in Type-1 diabetes?
(A) Glucagon (B) Insulin ✓
(B) Somatostatin (D) Both (A) and (B)

8. DNA fragments separated on an Agarose gel can be visualised after staining with–
(A) Aniline blue (B) Ethidium Bromide✓
(B) Acetocarmine (D) Bromophenol blue

9. A genetic disorder in which blood doesn't clot normally is–
(A) Cystic fibrosis (B) Thalassemia
(B) Sickle cell anaemia (D) Hemophilia✓

10. Based upon the type of excretory substance, the human species is–
(A) Uricotelic (B) Ureotelic✓
(B) Ammonotelic (D) Ureotelic and Uricotelic, both

11. The 'reaction in which multiple copies of the gene of interest is synthesized in vitro is known as–
(A) ELISA (B) RIA
(B) PCR✓ (D) RAPD

12. Which of the following is the largest part of the human brain?
(A) Cerebrum✓ (B) Cerebellum
(B) Brain stem (D) Corpus callosum

13. Natural rubber is a polymer of–
(A) Neoprene (B) Isoprene✓
(B) Chloroprene (D) 1, 3-butadiene

14. Structurally biodegradable detergent should contain–
(A) Normal alkyl chain (B) Branched alkyl chain✓
(B) Phenylside chain (D) Cyclohexylside chain

15. Which of the following does not exhibit allotropy?
(A) Carbon (B) Silicon
(B) Lead✓ (D) Tin

16. Which of the following is the most abundant metal?
(A) Fe (B) Al✓
(B) Ti (D) Cu

17. The oxidation number of chromium in chromyl chloride is–
(A) 0 (B) +4
(B) +2 (D) +6✓

18. Which among the following metal's oxide provide amphoteric nature?
(A) Sodium (B) Silver
(B) Aluminium✓ (D) Calcium

19. Old paintings can be restored through an oxidizing agent–
(A) H2S (B) H2O2✓
(B) H2PO4 (D) H3O+

20. What property stays the same during physical and chemical changes in a closed system?
(A) Density (B) Shape
(B) Mass✓ (D) Arrangement of particle

21. Which radioactive element is used in heart pacemaker?
(A) Uranium (B) Deuterium
(B) Plutonium✓ (D) Radium

22. Bleaching action of moist S02 is because of its–
(A) Reducing power✓ (B) Oxidising power
(B) Acidic property (D) Basic property

23. Unit of magnetic flux is-
(A) Tesla (B) Gauss
(B) Weber✓ (D) Coulomb

24. Electric motor works on the principle of-
(A) Electromagnetic induction✓ (B) Newton's law
(B) Ohm's law (D) Bio-Savart's law

25. Which of the following can produce a virtual image which is always smaller than the object?
(A) a plane mirror (B) a convex lens
(B) a concave lens✓ (D) a concave mirror

26. The resistance of a conductor depends upon-
(A) its length (B) its cross-sectional area
(B) its temperature (D) all of the given options✓
27. The order of colours in a rainbow from lower edge to top edge is- (Here R = Red, 0 = Orange, Y = Yellow, G = Green, B = Blue; I = Indigo, V = Violet)
(A) ROYGBIV (B) ROYGVIB
(B) VIBGYOR✓ (D) GBIVYOR

28. Which of the following is not correct for the image formed by a plane mirror?
(A) Image is always virtual (B) Image is always real✓
(B) Image is always erect (D) Size of image is equal to that of object

29. When an object is at infinity, the position of the image formed by a concave mirror is at–
(A) Focus of the mirror✓ (B) Centre of curvature of the mirror
(B) Infinity (D) Behind the mirror

30. The splitting of light into its component colours is called–
(A) Reflection (B) Refraction
(B) Dispersion✓  (D) Polarization

31. In human eye, the image of an object is formed at–
(A) Cornea (B) Iris
(B) Retina✓ (D) Pupil
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