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English I
Physics
Chemistry
Biology
Mathematics
English II
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Question-1
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
Question-2
Homeostasis involves which of the following major organ?
(A)
Skin
(B)
Brain
(C)
Kidney
(D)
All of these
Question-3
The branch of ecology which is concerned with the study of individual species at all stages of life cycle in relation to environment is called
(A)
autecology
(B)
synecology
(C)
ecological niche
(D)
reproductive ecology
Question-4
Ethology is the study of
(A)
Behaviour of animals
(B)
Past life of organism
(C)
Disease causing pathogens
(D)
None of these
Question-5
The maintenance of favourable internal conditions, by self- regulated mechanisms, in spite of the fact that there are changes in the environment, is known as
(A)
Entropy
(B)
Enthalpy
(C)
Homeostasis
(D)
Steady state
Question-6
Which of the following has the shortest life span?
(A)
Tiger
(B)
lion
(C)
Horse
(D)
Eagle
Question-7
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-8
'Every cell of the body contributes gemmules to the germ cells and so shares in the transmission of inherited characters'. This theory is known as theory of
(A)
Mutations
(B)
Germplasm
(C)
Pangenesis
(D)
Inheritance of acquired characteristics
Question-9
The energy produced in the sun is due to
(A)
Fission reaction
(B)
fusion reaction
(C)
chemical reaction
(D)
motion of electrons and ions
Question-10
MET is
(A)
Magneto encephalography
(B)
Magneto electron transport
(C)
Metallic emission tantrum
(D)
Mixed electronic tachycardia
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Plus 1 Biology Science
ICSE/ISC
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