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General Science - Biology MCQS
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1. ï»żIn which of the following regions; maize is used as staple food ?
Western Europe
Russia
Middle Africa
South-East Asia
2. Which of the following statements is incorrect about the Lysosome?
It is a membrane-bound organelle found in plant as well as animal cells
It is also called the suicidal bag of the cell
It helps in the synthesis of protein
It acts as a dispatch station of protein products received from the endoplasmic reticulum (ER)
3. Which of the following is not a variety of mango?
Banganapalle
Alphonso
Sindhoora
Red Dacca
4. From which among the following parts of a plant Cinnamon is obtained?
Leaves
Seeds
Bark
Buds
5. In context with biology; which among the following is a Zoophyte?
A plant that resembles an animal
An animal that resembles a plant
A plant that grows on an animal
An animal that grows on a plant
6. The web of the spider is made up of which among the following?
Carbohydrate Polymers
Proteins
Lipids
Polysaccharides
7. Which part of the Central Nervous System controls âreflex Actionsâ ?
Mesencephalon
Rhombencephalon
Medulla oblongata
Spinal Chord
8. Which among the following Vitamin is also known as Tocoferol?
Vitamin D
Vitamin E
 Vitamin K
Vitamin B
9. Maximum number of animals species belong to which among the following groups?
Mammalia
Aves
Pisces
Arthropoda
10. In which among the following organ; âBowmanâs Capsuleâ is found?
Liver
Kidney
Heart
Small intestine
11. Which antigen is present in O blood group?
 Either A or B
Both A and B
Neither A nor B
O
12. Skin works as a respiratory organ in which of the following Animals ?
Cockroach
Frog
Whale
 Dog Fish
13. Leishmaniasis is a disease caused by protozoan parasites that belong to the genus Leishmania and is transmitted by the bite of certain species of_________?
Mosquito
Sand fly
Bee
None of the above
14. Out of Diphtheria; Whooping cough; Typhoid ; Diarrhea & Malaria which is not caused by bacteria?
Whooping Cough
Typhoid
 Malaria
None of the above
15. Diabetes insipidus (DI) caused by a deficiency of arginine vasopressin (AVP); also known as antidiuretic hormone (ADH). This hormone is secreted by which endocrine gland?
Thyroid Gland
Pituitary Gland (Hypophysis)
 Pancreas
 Liver
16. Vitamin A; D & C are respectively called as ____________ ?
Retinol; Ascorbic Acid; Calciferol
Retinol; Calciferol; Ascorbic Acid
Pyridoxal. Calciferol. Ascorbic Acid
Ascorbic Acid; Pyridoxal. Calciferol
17. William Harvey; Alexander Fleming & Louis Pasteur are related to respectively __________?
Vaccination; Blood Circulation; Penicillin
Penicillin; Blood circulation ; Vaccination
Blood Circulation; Penicillin; Vaccination
Vaccination;Blood Circulation; Penicillin
18. Which of the following vertebrae are found in Neck ?
Cervical
Thoracic
Lumbar
None
19. Which among the following is a main structural axes of a vascular plant?
Thallus
Leaves
Stem
Flower
20. Which among the following is involved in Movement of Muscles?
Myoglobin
Myosin
Mucin
None of the above
21. Which among the following correctly denotes Net Reproduction Rate?
Average number of children that would be born to a woman over her lifetime
Average number of children that would be born to a couple over their life time
Birth Rate â Death rate
The rate at which women are replaced by daughters who will have children
22. In which of the following conditions a person is born with both ovarian and testicular tissues i.e. both female & male organs?
Swyer syndrome
Penile agenesis
 Polyorchidism
Hermaphroditism
23. Which among the following conditions will give birth to Fraternal Twins?
a single egg is fertilized to form one zygote which then divides into two separate embryos
sperm cells fertilize both the ovum and the second polar body
two eggs are independently fertilized by two different sperm cells
none of the above
24. Lepidopterology is a branch of biology; which deals with the following?
 Ferns
animals in stagnant waters
Lipids and Fats
Moths & Butterflies
25. The pneumatophores are negatively geotropic roots which grow upward & meant for gaseous exchange. These are a characteristic of _______?
Halophytes
Heliophytes
Sciophytes
Lithophytes
26. Plants growing on marshy areas are commonly called as _____?
Oxylophytes
 Lithophytes
Helophytes
Psilophytes
27. Due to which of the processes in plants the Radiocarbon dating is possible to estimate their age?
Growth
Chemosynthesis
Photosynthesis
Assimilation
28. Which of the following organ in human body produces albumin; one of the major components of blood serum?
Bone Marrow
Liver
 Pancreas
 Spleen
29. Which of the following part of the body stores Vitamin A; Vitamin D as well as Vitamin B12?
 Brain
Liver
Pancreas
Red Blood Cells
30. Which among the following have been found to produce a protein called Defensin-1; which has been found potential to develop drugs for antibiotic resistant bacteria?
Codfish
Cuttle Fish
Honey bee
Domestic Fly
31. The metals in which among the following groups are required in maximum quantities in a living organism?
Potassium; Manganese; Molybdenum; Calcium
Potassium; Molybdenum; Copper; Calcium
Pottassium;Sodium; Magnesium; Calcium
Pottassium;Sodium; Magnesium; Calcium
32. Who among the following first synthesized âgeneâ in a laboratory ?
Arthur kornberg
 Hargobind Khorana
Gregor Mendel
Watson and crick
33. Antipyretic medicines are used for which among the following purposes?
In fever
In Diarrhea
 In Cough
In Allergy
34. How does calcium carbide ripen mangoes?
 It reacts with moisture and releases Ethylene
It reacts with moisture and releases Acetaldehyde; which in turn releases ethylene
It reacts with starch and releases Acetylene
It reacts with moisture and releases Ethyne
35. The instrument that measures arterial blood pressure is known as :
Pyknometer
Hypsometer
Sphygmoscope
 Sphygmomanometer
36. Pest-resistant cotton commonly known as âBt-Cottonâ is genetically engineered by inserting a gene from a:
 Bacterium
Virus
Microalgae
Protist
37. Saffronâ is obtained from which among the following parts of the plant?
 Stigma
Anther
Stamen
Pollen
38. Plants which are adapted to grow in soils containing high concentration of salt are known as:
Xerophytes
Mesophytes
Halophytes
Thallophytes
39. Which of the following have cold; moist winters and short summers and are dominated by gymnosperms?
Taiga
Polar Tundra
Alpine Tundra
Tropical Rain Forest
40. A person with âBombay Blood groupâ can receive blood from a person who is from____?
A Group or B Group
AB Group
O Group
None of them
41. Which of the following tests is used for the diagnosis of âColour-Blindnessâ in people ?
Ishihara Test
Widal Test
ELISA test
Rorschach test
42. Meg-1 is an imprinted gene which finds expression only from maternal chromosomes which regulates the transfer of nutrients from the plant to the seed. This gene has been discovered in :
Maize
cotton
 jute
Sugarcane
43. Which among the following hormone can be used as a drug to treat cardiac arrest and some other cardiac problems?
Thyroxin
 Epinephrine
Calcitonin
 Insulin
44. What is the use of Radiotherapy for the treatment of Cancer?
 It destroys the tumor by destroying the Cell membranes of the Cancerous Cells
It destroys the tumor by destroying the DNA of the Cancerous Cells
It destroys the tumor by destroying the Cytoplasm of the Cancerous Cells
It destroys the tumor by destroying the spindle fibres which are used in Cell Division
45. White-nose syndrome (WNS) is an emerging disease among which of the following fauna?
 Bats
Snow leopard
Bumblebee
Forest owlet
46. Hyponatremia and Hypernatremia are common electrolyte disorders resulting due to imbalance of which of the following?
 Sodium
Potassium
 Calcium
 Iron
47. Which of the following is a stem vegetable?
Lettuce
Carrot
Asparagus
Onion
48. Which organ in human body is responsible for water balance?
Liver
Tongue
Kidney
 Brain
49. Who among the following analysed the DNA for the first time ?
Watson and Krick
Karl von Frisch
M. W. Nirenberg
Hargobind Khurana
50. Name the organs which have different basic structure but have similar appearance and perform similar functions.
Analogous organs
Homologous organs
Both A and B
Neither A nor B
51. The name of which spice comes from the French word for ânailâ?
Cinnamon
Cardamom
Clove
None of the above
52. âPace-makerâ is associated with which of the following body organs?
 Liver
Brain
Heart
Lungs
53. Which process develops new species from the existing species?
Homologous
Analogous
Speciation
Genetic variation
54. Which of the following is the basic chemical building block of natural rubber obtained from trees?
Acetylene
Isoprene
Vinyl chloride
None of the above
55. Which spice consists of the seed of the Myristica fragrans; a tropical evergreen tree?
Cardamom
Clove
Nutmeg
 Turmeric
56. Which fabric was introduced by Sir H.B. Lumsden and W. Hodson in 1848 for the uniforms of British colonial troops in India?
Corduroy
Denim
Khaki
Silk
57. Anaemia is caused because of deficiency of which of the following?
Cobalt
Iron
Sodium
Calcium
58. Who proposed five kingdom classification?
 Ernst Mayr
 M.W.Beijerinck
R.H. Whittaker
D.I Ivanovsky
59. Which metal is responsible for Itai-Itai disease?
Mercury
 Chromium
Cadmium
Nickel
60. Cattle quickly swallow grass and store it in which of its body parts?
Rumen
Esophagus
Small intestine
Salivary glands
61. Who was the inventor of frozen foods?
Ives McGaffey
Frank Whittle
 Alfred Nobel
Clarence Birdseye
62. Which of the following micro-organism causes diseases like polio and chicken pox?
Bacteria
Protozoa
 Algae
Virus
63. Japanese art âIkebanaâ is related to which of the following?
sand art
flower arrangement
paper folding
tree cutting
64. What is study of fungus Known as?
 Phrenology
Physiology
Biology
Mycology
65. Which of the following Vitamin is responsible for anti-sterile activities?
 Vitamin A
 Vitamin B
Vitamin E
Vitamin D
66. The young chicks come out of eggs within how many days after being hatched by the hen?
One week
Two weeks
Three weeks
Four weeks
67. Which of the following is the result of the decrease in white blood cells?
Decrease in Antibodies
Increase in Antigens
Increase in Antibodies
No change
68. What is the meaning of the term âTest Tube Babyâ?
Fertilisation of ovum takes place in the test tube but it develops in uterus
Fertilisation of ovum takes place in the test tube and develops in the test tube itself
Fertilisation of the ovum takes place in the uterus but develops in the test tube
Fertilisation takes place in uterus and embryo develops in uterus
69. Under which Ministry; the National Handloom Development Programme (NHDP) for development of block level clusters across country is implemented?
Ministry of Textile
Ministry for Development of North Eastern Region
Ministry of Micro; Small and Medium Enterprises
None of the above
70. Which Ministry is responsible for conducting National Nutrition Survey?
Ministry of Health and Family Welfare
Ministry of Women and Child Development
Ministry of Consumer Affairs; Food and Public Distribution
 None of the above
71. Pradhan Mantri Sahaj Bijli Har Ghar Yojana also known as âSaubhagya Schemeâ was launched in the year?
2016
2017
2019
None of the above
72. Which country has assumed the Chair of âConference on Interaction and Confidence-Building Measures in Asiaâ (CICA) in 2020?
Vietnam
Kazakhstan
Tajikistan
India
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