Biology – OLQs

Biology » OLQs

BIOLOGY
ONE LINE QUESTIONS [OLQs]

S. No. Questions Answers
1. What is contained in Chlorophyll? Magnesium
2. From which part of the plant is turmeric obtained? Stem
3. Lacrymal glands are situated in the___? Eye Orbit
4. The specific role of Vitamin K is in the synthesis of Prothrombin
5. Which Part of plant is important for the life cycle of plant? Flower
6. Increased RBC’s in the blood leads to a condition called___? Polycythemia
7. Name the hormone that regulates the amount of glucose in the blood. Insulin
8. The human faces is yellow in colour due to the presence of a pigment
called___?
Urobilin
9. Which enzyme is found in human saliva? Ptyalin
10. Hansen’s disease is also known as___? Leprosy
11. What is systolic and diastolic pressure in a healthy man? 120mm & 80mm
12. Which is considered as the strongest natural fibre? Silk
13. The deficiency of which leads to dental caries? Fluorine
14. Companion cells are unique to___? Angiosperms
15. The smallest bone in the human body is___? Stapes
16. A person feel fatigued due to deposition of which acid in their muscles? Lactic Acid
17. How many bones are present in human skull? 22
18. Which lobe of human brain is associated with hearing? Temporal Lobe
19. Upper most layer of skin is called ___? Epidermis
20. Motor skills are associated with which part of the brain? Frontal Lobes
21. Blood group was discovered by whom? Landsteiner
22. The PH value of human blood is__? 7.40
23. Name the largest gland in the human body? Liver
24. What is the chemical name of a substance which kills rats? White Phosphorus
25. The metal present in the haemoglobin is ____. Iron
26. Which mosquito is the carrier of Zika virus? Aedes
27. Name the gas used for making vegetable ghee? Hydrogen
28. Which part of brain is centre of thirst, hunger and sleep? Hypothalamus
29. Which regulates the quantum of light entering the human eye? Iris
30. DNA stands for __. Deoxyribonucleic Acid
31. What percentage of water is lost during transpiration? 99%
32. Pyramid of energy is ____? Always upright
33. Edward Jenner is related with which disease? Small pox
34. The hormone used as an oral contraceptive is ____. Progesterone
35. Which vitamin is considered to be a hormone? Vitamin D
36. The process of photosynthesis involves conversion of what? Solar energy into
chemical energy
37. Who explained about the blood circulation for the first time? William Harvey
38. Dog bite can cause rabies. Which other animal can also cause rabies? Bat
39. Saliva helps in the digestion of which thing? Starch
40. Which is the sweetest sugar? Fructose
41. Which enzyme is present in all members of the animal kingdom except
Protozoa?
Amylase
42. Which is known as graveyard of RBC’s? Spleen
43. Which disease is caused by the bite of a mad dog? Hydrophobia
44. What is the normal cholesterol level in human blood? 180-200 mg/dL
45. Who was the first to isolate Gene? Dr. Hargobind Khurana
46. Which cell organelles function as the power house of a living cell? Mitochondria
47. Nobel Prize winning scientist James D. Watson is known for his work in which
area?
Genetics
48. What is the Branch of science which deals with the study of skin of man? Dermatology
49. Which test helps in diagnosis of cancer? Biopsy Test
50. Which major chemical compound found in human kidney stones? Calcium oxalate
51. Sex determination of child is done by whose chromosome? Father
52. What is the name of first clones sheep? Dolly
53. What is known as ‘kitchen of cell’? Chloroplast
54. Enlargement of which gland takes place due to deficiency of iodine? Thyroid
55. Which part of human brain is the regulating centre for swallowing and
vomiting?
Medulla Oblongata
56. What are Bryophytes? Amphibious
57. The number of Chromosomes in the human gene is ___. 46
58. Polio is caused by whom? Virus
59. Ductless glands are known as______? Endocrine glands
60. The first vaccine injected into a just born baby is______. BCG
61. Which are phagocytes in liver? Kupffer cells
62. Which gland disappear during old age? Thymus
63. The study of Dendrology is associated with___? Trees
64. Theory of natural selection was proposed by_______. Charles Darwin
65. By which doctor was the first successful heart transplant in India performed? Dr. Venugopal
66. The food poisoning is caused by___. Clostrideam boutulium
67. Which acid is found in ‘Tomato’? Oxalic Acid
68. Haematopoiesis take place in _____? Bone marrow
69. Which part of human brain is affected by alcohol? Cerebellum
70. Ascariasis is caused by ___? Round Worm
71. Turpentine oil is obtained from___? Pinus
72. Which salt is found in bone in largest amount? Calcium Phosphate
73. Genes are made by___? Polynucleotide
74. Which disease is known as ‘silent killer’? High Blood pressure
75. By whom was oral polio vaccine discovered? Jonas Salk
76. The compound used in anti-malarial drug is___? Chloroquine
77. Which is responsible for transport of food and other substances in plants? Phloem
78. BCG vaccination (Bacillus Calmette Guerine) is injected to get immunity
from__?
Tuberculosis
79. First vaccine produced by bio-technology was used against which virus? Hepatitis-B
80. Alcoholic drink contains___? Ethyl Alcohol
81. Xerophthalmia is a disease caused by lack of which vitamin? Vitamin A
82. Which is responsible for the process of cell division? Mitosis
83. What is known as ‘Suicidal bags of cell’? Lysosome
84. The plants, which grow under water stress conditions are called_? Xerophytes
85. Which metal is present in Insulin? Zinc
86. Most of the red, blue and purple colours of plants are due to a pigment
called__?
Anthocyanin
87. The filtering of blood through an artificial kidney is called__? Dialysis
88. Animals store glucose in the form of__? Glycogen
89. Who invented penicillin? Alexander Fleming
90. The longest and largest bone in the human body is__? Femur
91. Which is known as master gland in man? Pituitary gland
92. Which vitamin is essential for the coagulation of blood? Vitamin K
93. Which insect spreads kala-azar? Sand Fly
94. Name the smallest functional unit of the kidney? Nephron
95. What is the smallest structural and functional unit of nervous system? Neuron
96. Which animal have no blood but they respire? Hydra
97. What is the Dental formula of man? 2123/2123
98. The biogas used for cooking is a mixture of ___? Methane &
Carbondioxide
99. Which plant yields biodiesel or biofuel? Jatropha Curcas
100. The most serious air pollutant causing health hazard is___? Sulphur dioxide
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