Q.1
Homeostasis is the condition in which the body maintains
Q.2
It is the site of chromosome attachment to the fibres of spindle.
Q.3
The stage of mitosis at which chromatids separate as independent chromosomes is the
Q.4
By complete oxidation of glucose number of ATP molecule formed is
Q.5
If CO2 concentration in the blood increases, the breathing will
Q.6
Which of the following is true about veins?
Q.7
Which of the following serve as antibodies?
Q.8
The subcellular organelle not bound by a single membrane is
Q.9
Which one is not found in the composition of plasma membrane?
Q.10
Biological membranes are composed of
Q.11
Sphygmomanometer measures the blood pressure in the
Q.12
What is the study of cells called?
Q.13
A/An ________ tissue is formed beneath the skin and between internal organs.
Q.14
They form the material which forms skins, muscles, hair and nails in animals.
Q.15
The first root produced from a seed is known as
Q.16
It is the basic structure found in all membranes such as those of mitochondria and chloroplasts.
Q.17
Ginger is a stem and not a root because
Q.18
The normal temperature of human body on the Kelvin scale is
Q.19
Which organelle in the cell, other than nucleus contains DNA?
Q.20
Biological membranes are composed of
Q.21
Which statement best describes arteries?
Q.22
Gametes are produced by the process of
Q.23
Closely stacked flattened sacs (plants only) is called
Q.24
Which is a homologous chromosome pair?
Q.25
Of the following, which is the most fundamental generalization in biology?
Q.26
Where does protein synthesis take place?
Q.27
During which phase or phase of cell division, the morphology of the chromosomes is best studied?
Q.28
Metaphase is followed by the next phase of mitosis called
Q.29
Which of the following is responsible for giving colour to human skin?
Q.30
Which is the largest organ in the human body?
Q.31
The site in ovule where funicle is attached
Q.32
Which one is found in a pair in each chromosome?
Q.33
Ribosomes are produced in
Q.34
The single membrane surrounding vacuoles in plant cells is known as
Q.35
They are double membrane structures that are commonly oval or disc shaped.
Q.36
The cell wall of plants is generally made up of cellulose and is differently structured than that of a
Q.37
In each pollen sacs a large number of pollens or microspores are produced by
Q.38
Nucleoli are present during
Q.39
Who first studied the process of cell division in animals?
Q.40
Which division provides a means of transmitting unchange information to the daughter cells?
Q.41
Which one among the following cell organelles is semi-permeable ?
Q.42
Any foreign object that gains entry into the cell is immediately engulfed by the ________ and is completely broken into simple digestible pieces.
Q.43
A multicellular organism grows by ________ .
Q.44
At anaphase stage of mitosis in plant cells, interzonal of the spindle fibres gets transformed into
Q.45
The main function of Henle's loop is
Q.46
The artificial kidney is a
Q.47
Lysosome is formed from which of the following cell organelles?
Q.48
It is a process which converts a single-celled zygote into a great number of cells, which then differentiate into tissues.
Q.49
Which division is responsible for the continuity of hereditary information?
Q.50
Branch of science which deals with the study of skin of man is called
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