50. Functional unit of DNA is:
A. Nucleus
B. Genes
C. Chromosomes
D. Nucleolus
51. Various tissue types combine to make up:
A. Organs
B. Cells
C. Organ System
D. Organelles
52. Two or more populations of different species living and interacting in the same area form:
A. Biosphere
B. Community
C. Population System
D. Ecosystem
E. Species
53. A group of similar cells that perform a specific function is:
A. Organ
B. Tissues
C. Organelle
D. Organ System
54. The branch of Biology which deals with the use of data and techniques of engineering & technology concerning living organisms is:
A. Human Biology
B. Environmental Biology
C. Genetics
D. Bio-technology
55. The branch in which organisms’ life cycle, mode of transmission and interaction with their hosts are studied is:
A. Anatomy
B. Physiology
C. Parasitology
D. Social Biology
56. Cod liver oil contains:
A. Vitamin C
B. Vitamin E
C. Vitamin K
D. Vitamin D
57. The Muscles, tissues, and blood are made of:
A. Protein
B. Fats
C. Carbohydrates
D. Iron
58. Satiety is the condition in which the patient lacks the desire to:
A. Eat
B. Sleep
C. Drink
D. Speak
59. The special chemical substances released by endocrine glands are:
A. Alkaloids
B. Enzymes
C. Proteins
D. Hormones
60. The class of seedless plants containing foliar sporangia is?
A. Filicinae
B. Algae
C. Angiospermae
D. Gymnospermae
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