SSC GD Top 100 Biology Questions and Answers
Q1. Alcoholic drink contains .
Ans -: Ethyl Alcohol
Q2. Glucose in stored in the form of by Animals.
Ans -: Glycogen
Q3. Ascariasis is caused by .
Ans -: Round Worm
Q4. BCG vaccination (Bacillus Calmette Guerin) givesimmunity from .
Ans -: Tuberculosis
Q5. Blood groups was discovered by –
Ans -: Karl Landsteiner
Q6. The first successful heart transplant in India was performed by –
Ans -: Dr. Panangipalli Venugopal
Q7. The oral polio vaccine was discovered by –
Ans -: Jonas Salk
Q8. Companion cells are unique to .
Ans -: Angiosperms
Q9. DNA stands for .
Ans -: Deoxy ribonucleic Acid
Q10. Dog bite can cause rabies. Bite of which other animal can also cause rabies?
Ans -: Bat
Q11. Endocrine glands are also known as .
Ans -: Ductless Glands
Q12. The Small Pox vaccine was discovered by –
Ans -: Edward Jenner
Q13. Deficiency of iodine leads to .
Ans -: Enlargement of Thyroid Gland
Q14. First vaccine produced by bio-technology was used against which virus?
Ans -: Hepatitis-B
Q15. Turmeric is obtained from of a Plant.
Ans -: Stem
Q16. Genes are made by .
Ans -: Polynucleotides
Q17. Haematopoies is occurs in .
Ans -: Bone marrow
Q18. Leprosy is also known as .
Ans -: Hansen’s Disease
Q19. A human skull has number of bones.
Ans -: 22 Bones
Q20. Deposition of which acid in the muscles leads to a feeling of fatigue in Humans?
Ans -: Lactic Acid
Q21. RBC’s count in the blood is increased when a person is having .
Q22. Where are the Lachrymal glands situated in the human body?
Ans: Eye Orbit
Q23. The red, blue and purple colour seen in plants is because of the pigment.
Q24. Which part of the human brain controls Motor skills of the body?
Ans: Frontal Lobes
Q25. What is the name the hormone that regulates the amount of glucose in the blood .
Q26. Name the gas used for making vegetable ghee?
Q27. Which is the largest gland in the human body?
Q28. The smallest functional unit of a kidney is the ?
Q29. James D. Watson, a Nobel Prize winning scientist is expert in the field of .
Q30. Polio is caused by a .
Q31. The flow of energy in the Energy Pyramid is always .
Q32. Saliva helps in the digestion of .
Q33. Which Parent’s chromosome is used for sex determination test?
Q34. The bio-gas used for cooking is a mixture of .
Ans: Methane & Carbon dioxide
Q35. The yellow colour of the human faeces is a result of the pigment called .
Q36. Which air pollutant causes the most serious health hazards?
Ans: Sulphur dioxide
Q37. Vitamin K is required for the synthesis of .
Q38. Which compound is used in anti-malarial drug?
Q39. Dental cavities are caused because of the deficiency of?
Q40. What is the process of filtering blood through an artificial kidney called?
Q41. Which is the first vaccine injected into a newly born baby?
Q42. Food poisoning is caused by .
Ans: Clostridium botulinum
Q43. Which hormone is used as an oral contraceptive?
Q44. The longest and largest bone in the human body is?
Q45. Which metal is present in hemoglobin?
Q46. What is the total number of chromosomes found in the human gene?
Q47. The PH value of human blood is?
Q48. The plants, which grow under water stress conditions are called?
Q49. During photosynthesis, Solar Energy is converted to .
Ans: Chemical energy
Q50. Which is the smallest bone in the human body?
Q51. The study of Trees is called?
Q52. Who proposed the Theory of natural selection?
Q53. Turpentine oil is obtained from .
Ans: Resin from Pines
Q54. Upper most layer of skin is called?
Q55. Which is the only element found in Chlorophyll?
Q56. What are Bryophytes ?
Ans: Amphibious Plants
Q57. Which component of the Cell is called it’s ‘Kitchen’?
Q58. What is known as ‘Suicidal bags of cell’?
Q59. What is systolic and diastolic pressure in a healthy man?
Ans: 120mm & 80mm
Q60. Dermatology is the study of?
Ans: Human Skin
Q61. Which chemical is popularly used in Rat poison?
Ans: White Phosphorus
Q62. What is the Dental formula of man?
Q62. What is the name of first cloned sheep?
Q64. is the normal cholesterol level in human blood.
Ans: 180-200 mg/dL
Q65. A is the smallest structural and functional unit of nervous system.
Q66. 99% percentage of water is lost during transpiration, True or False?
Q67. Which enzyme is present in all members of the animal kingdom except Protozoa?
Q68. Zika virus is carried by Mosquito.
Q69. Tomato contains which acid?
Ans: Oxalic Acid
Q70. Which animal respire without having blood in them?
Ans: Oxalic Acid
Q71. Which cells acting as phagocytes are present in the liver?
Ans: Kupffer cells
Q72. Which cell organelles function as the power house of a living cell?
Q73. A bite of a mad dog causes –
Q74. Which disease is known as ‘silent killer’?
Ans: High Blood pressure
Q75. Human saliva contains the enzyme known as .
Q76. Which gland disappears during old age?
Q77. The insect responsible for the spread of Kala-azar is –
Ans: Sand Fly
Q78. is known as the strongest natural fibre.
Q79. Which is known as graveyard of RBC’s ?
Q80. The gland known as master gland in human body is the .
Ans: Pituitary gland
Q81. The process of cell division is known as –
Q82. Which part of the Plant body acts as the carrier of food and other substances to all its parts?
Q83. Which is the sweetest sugar?
Q84. The hearing function is associated with which part of the Human Brain?
Ans: Temporal Lobe
Q85. Which major chemical compound is found in human kidney stones?
Ans: Calcium oxalate
Q86. Which metal is present in Insulin?
Q87. Thirst, hunger and sleep are controlled by which part of the brain?
Q88. Alcohol affects which part of human brain?
Q89. Which part of human brain is the regulating centre for swallowing and vomiting?
Ans: Medulla Oblongata
Q90. Which part of the Human Eye changes it size based on the amount of Light?
Q91. is the plant which yields biodiesel or biofuel.
Q92. The part of the human eye which regulates the quantum of light entering is –
Q93. Which salt is found in bone in largest amount?
Q94. What is the name of the test done to diagnose cancer?
Ans: Vitamin K
Q97. Who explained about the blood circulation for the first time?
Q98. Alexander Fleming invented.
Q99. Who is credited for producing first man-made Gene in a lab?
Ans: Dr.Hargobind Khurana
Q100. Xerophthalmia is a disease caused by lack of which vitamin?
Ans: Vitamin A
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