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This section includes 2103 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
51. |
______ break the fat globules into smaller globules. |
A. | Bile salts |
B. | Pepsin |
C. | Trypsin |
D. | Amylase |
Answer» B. Pepsin | |
52. |
For immediate energy production in cells one should take ________. |
A. | Glucose |
B. | Vitamin K |
C. | Vitamin C |
D. | Roughage |
Answer» B. Vitamin K | |
53. |
Malaria and Kala Azar are caused by: |
A. | bacteria |
B. | fungi |
C. | protozoa |
D. | virus |
Answer» D. virus | |
54. |
In protein synthesis, which RNA plays an important role? |
A. | m RNA |
B. | t RNA |
C. | i RNA |
D. | r RNA |
Answer» B. t RNA | |
55. |
Green leaves make their food by the process of photosynthesis using ________ and water. This happens in the presence of sunlight. |
A. | Carbon Dioxide |
B. | Hydrogen |
C. | Nitrogen |
D. | Oxygen |
Answer» B. Hydrogen | |
56. |
'Chilgoza' a dry fruit is a species of |
A. | Cycas |
B. | Pinus |
C. | Mango |
D. | Gymnosperm |
Answer» C. Mango | |
57. |
Organs having different structure and components but perform similar functions are called ______. |
A. | Analogous organs |
B. | Homologous organs |
C. | Heterogeneous organs |
D. | Homogenous organs |
Answer» B. Homologous organs | |
58. |
Heart beat in the vertebrates |
A. | Neurogenic |
B. | Myogenic |
C. | Both (1) and (2) |
D. | None of these |
Answer» C. Both (1) and (2) | |
59. |
According to five-kingdom system of classification, bacteria and blue-green algae are included in |
A. | Fungi |
B. | Monera |
C. | Plantae |
D. | Protista |
Answer» C. Plantae | |
60. |
A new born breathes nearly ______. |
A. | 15 to 2 5 times a minute |
B. | 30 to 60 times a minute |
C. | 60 to 75 times a minute |
D. | 80 to 90 times a minute |
Answer» C. 60 to 75 times a minute | |
61. |
Hepatitis is a: |
A. | Protozoan disease |
B. | Fungal disease |
C. | Bacterial disease |
D. | Viral disease |
Answer» E. | |
62. |
_______ is an example of a bisexual animal. |
A. | Cockroach |
B. | Earthworm |
C. | Frog |
D. | Lizard |
Answer» C. Frog | |
63. |
Hippocampus is a |
A. | Protochordate |
B. | Fish |
C. | Mammal |
D. | Coelenterate |
Answer» C. Mammal | |
64. |
Basis of lamarkism is: |
A. | Natural selection |
B. | Mutation |
C. | Variations |
D. | Inheritance of acquired charaters |
Answer» E. | |
65. |
Gregor Mendel's basic Law of Heredity is based on his work on which vegetable? |
A. | Asparagus |
B. | Peas |
C. | Beans |
D. | Corn |
Answer» C. Beans | |
66. |
Bubonic plague is transmitted through the biteof |
A. | Xenopsylla-cheopis |
B. | Pediculus humanus |
C. | Glossina palpalis |
D. | Aedes aegypti |
Answer» B. Pediculus humanus | |
67. |
Cattle and buffalo belongs to the family |
A. | Cammelidae |
B. | Suidae |
C. | Equidae |
D. | None of these |
Answer» E. | |
68. |
Lack of Vitamin D can lead to ________, in which weakness is observed in children whereas aches and pains are observed in adults owing to calcium-deficiency in bones, called osteocalcin. |
A. | Rickets |
B. | Scurvy |
C. | Anemia |
D. | Beriberi |
Answer» B. Scurvy | |
69. |
Multicellular rhizoids with oblique septa are found in |
A. | Anthoceros |
B. | Funaria |
C. | Riccia |
D. | Marchantia |
Answer» C. Riccia | |
70. |
Osteoporosis and arthritis affect the ______. |
A. | blood |
B. | teeth |
C. | skin |
D. | bones and joints |
Answer» E. | |
71. |
A normal human respires in a minute ________. |
A. | 10 - 15 times |
B. | 14 - 18 times |
C. | 35 - 45 times |
D. | 45 - 55 times |
Answer» C. 35 - 45 times | |
72. |
CO2 accepter in C4 cycle is |
A. | RUBP |
B. | PEP |
C. | PGA |
D. | Malic acid |
Answer» C. PGA | |
73. |
__________ character predominates and is clearly seen in FI Generation. |
A. | Inherited |
B. | Allele |
C. | Dominated |
D. | Recessive |
Answer» D. Recessive | |
74. |
For which disease, Ministry of Health and Family Welfare has launched 'Test and Treat' policy? |
A. | Chicken pox |
B. | HIV |
C. | Polio |
D. | Tuberculosis |
Answer» C. Polio | |
75. |
AIDS is caused by |
A. | Rickettssia |
B. | Fungus |
C. | Bacteria |
D. | Virus |
Answer» E. | |
76. |
In the human blood grouping, the four basic blood types are type A, type B, type AB, and type O. the blood proteins a and B are: |
A. | Simple dominant and recessive traits |
B. | Co-dominant traits |
C. | Recessive traits |
D. | Inherited traits |
Answer» C. Recessive traits | |
77. |
Photosynthesis fulfills which of the following requirements of the autotrophic organisms?I. CarbonII. WaterIII. Energy |
A. | Only I |
B. | Only III |
C. | I and III |
D. | All I, II and III |
Answer» D. All I, II and III | |
78. |
In humans, each cell normally contains _________ pairs of chromosomes. |
A. | 22 |
B. | 24 |
C. | 23 |
D. | 21 |
Answer» D. 21 | |
79. |
In India, Indus Dolphin one of the world's rarest mammals, is mainly found in which one of the following rivers? |
A. | Ganga |
B. | Cauvery |
C. | Brahmaputra |
D. | Beas |
Answer» E. | |
80. |
Plants which can survive in very less water are called as ________. |
A. | Halophytes |
B. | Xerophytes |
C. | Heliophytes |
D. | Saprophytes |
Answer» C. Heliophytes | |
81. |
'Megaptera novaeangliae' is commonly known as ________. |
A. | Bumblebee |
B. | Tree frog |
C. | African wild cat |
D. | Humpback whale |
Answer» E. | |
82. |
People who consume maize as the main cereal in their diet are susceptible to? |
A. | Kwashiorkor |
B. | Pellagra |
C. | Scurvy |
D. | Beri-beri |
Answer» E. | |
83. |
Arrange the following organisms in their decreasing power of regeneration.i. Lizardii. Planariaiii. Maniv. Earthwormv. Eagle |
A. | ii, i, iv, v iii |
B. | ii, v, iv, i, iii |
C. | ii, iv, i, v, iii |
D. | ii, iv, v, i, iii |
Answer» D. ii, iv, v, i, iii | |
84. |
Parthenocarpy is defined as ________. |
A. | Development of root with fertilization |
B. | Development of fruit with fertilization |
C. | Development of root without fertilization |
D. | Development of fruit without fertilization |
Answer» E. | |
85. |
Endoplasmic Reticulum are rough because of _____ present on their surface. |
A. | Golgi bodies |
B. | Plastids |
C. | Lysosomes |
D. | Ribosomes |
Answer» E. | |
86. |
Animals belonging to phylum ________ are fundamentally characterised by the presence of a notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits. |
A. | Annelida |
B. | Chordata |
C. | Arthropoda |
D. | Platyhelminthes |
Answer» C. Arthropoda | |
87. |
How does the pH change from the mouth to the anus in the digestive system? |
A. | Alkaline - acidic - alkaline |
B. | Acidic - alkaline - acidic |
C. | Acidic - alkaline |
D. | Alkaline - acidic |
Answer» D. Alkaline - acidic | |
88. |
In roots, the protoxylem lies towards periphery and metaxylem lies towards the centre. Such arrangement of primary xylem is called __________. |
A. | Xylem fibres |
B. | Xylem parenchyma |
C. | Exarch |
D. | Endarch |
Answer» D. Endarch | |
89. |
Along the path of the Vas deferens which glands add their secretions in the sperms?I. ProstateII. Seminal vesiclesIII. Scrotum |
A. | Only I and III |
B. | Only I and II |
C. | Only II and III |
D. | All I, II and III |
Answer» C. Only II and III | |
90. |
Meiosis occurs in |
A. | All somatic cells |
B. | All germ cells |
C. | Gametes |
D. | In sperms |
Answer» C. Gametes | |
91. |
In humans, sound is produced by which organ? |
A. | Larynx |
B. | Tongue |
C. | Lungs |
D. | Diaphragm |
Answer» B. Tongue | |
92. |
Bleeding of gums and delayed healing of wounds is caused due to the deficiency of which of the following vitamins? |
A. | Vitamin A |
B. | Vitamin B |
C. | Vitamin C |
D. | Vitamin D |
Answer» D. Vitamin D | |
93. |
Course of blood circulation in human heart is |
A. | Left atrium → Right ventricle → Left ventricle → Right atrium |
B. | Left ventricle → Left atrium → Lungs → Right atrium → Right ventricle |
C. | Right atrium → Right ventricle → Lungs → Left atrium → Left ventricle |
D. | Left atrium → Left ventricle → Lungs → Right atrium → Right ventricle |
Answer» D. Left atrium → Left ventricle → Lungs → Right atrium → Right ventricle | |
94. |
Identify a mollusc from the following. |
A. | Spider |
B. | Octopus |
C. | Hydra |
D. | Tapeworm |
Answer» C. Hydra | |
95. |
Based on the common features like presence of notochord and dorsal hollow neural system, animals like fishes, amphibians, reptiles, birds along with mammals are included in which Phylum? |
A. | Mammalia |
B. | Chordata |
C. | Primata |
D. | Insecta |
Answer» C. Primata | |
96. |
_____ of the stems and roots also store nutrients and water. |
A. | Parenchyma |
B. | Xylem |
C. | Collenchyma |
D. | Sclerenchyma |
Answer» B. Xylem | |
97. |
Cup shaped chloroplast is found in: |
A. | Spirogyra |
B. | Chlamydomonas |
C. | Oedogonium |
D. | Ectocarpus |
Answer» C. Oedogonium | |
98. |
Milk fever is a type of disease- |
A. | Bacterial |
B. | Viral |
C. | Protozoan |
D. | Metabolic |
Answer» E. | |
99. |
In the sketch of the stomatal apparatus given below, which one of the following is missing? |
A. | Cell membranes of the cells |
B. | Cell walls of the cells |
C. | Chloroplasts in the guard cell |
D. | Nuclei in the guard cell |
Answer» E. | |
100. |
In blood, platelets are required for: |
A. | transporting oxygen |
B. | transporting carbon dioxide |
C. | initiating blood clotting |
D. | initiating degradation of urea |
Answer» D. initiating degradation of urea | |