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English I
Physics
Chemistry
Biology
Mathematics
English II
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Question-1
The recapitulation theory was given by
(A)
Hooke
(B)
Hyman
(C)
Haeckel
(D)
Watson
Question-2
The process through which the amount of DNA , RNA and protein can be known at a time is called
(A)
Auto radiography
(B)
Tissue culture
(C)
Cellular fractioning
(D)
Phase contrast microscopy
Question-3
Which of the following does not synthesis RNA?
(A)
Primase
(B)
RNA polymerase I
(C)
RNA polymerase II
(D)
Reverse transcription
Question-4
The action that occurs in human skin to maintain the set-point value for the body temperature is associated with
(A)
Positive feedback control system
(B)
Negative feedback control system
(C)
It is not feedback system
(D)
Both 1 and 2
Question-5
The term 'biology' was introduced by
(A)
Linnaeus
(B)
Lamarck
(C)
Darwin
(D)
Aristotle
Question-6
Human blood maintains homeostasis in the internal environment of the body by
(A)
Replenishment of oxygen and elimination of CO2
(B)
Replenishment of nutrients and oxygen and elimination of metabolic wastes from the extra cellular fluid
(C)
Maintenance of ion concentration in the blood and body fluids by eliminating nitrogenous wastes.
(D)
Maintenance of blood sugar level and conversion of amino acids into urea and destruction of worm out RBC
Question-7
The animals, which have a built in thermostat in their body to maintain constant body temperature are called
(A)
Biothermic
(B)
Oligothermic
(C)
Homoeothermic
(D)
Poikilothermic
Question-8
Regardless of the condition outside the body, the homeostasis in a human maintains the blood glucose concentration at
(A)
0.5%
(B)
0.1%
(C)
0.2%
(D)
0.3%
Question-9
Which of the following is considered as the basis of life?
(A)
Proteins
(B)
Enzymes
(C)
Fatty acids
(D)
Nucleic acids
Question-10
The earth was formed about how many years ago?
(A)
4.6 billion years ago
(B)
10 billion years ago
(C)
15 billion years ago
(D)
20 billion years ago
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Plus 1 Biology Science
ICSE/ISC
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