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Q.1
Homeostasis is the condition in which the body maintains
A relatively stable internal environment within limits
A changing state within an unlimited range
The lowest possible energy usage
A static state with no deviation from preset points
Q.2
It is the site of chromosome attachment to the fibres of spindle.
Chromomere
Centromere
Centrosme
Blastomere
Q.3
The stage of mitosis at which chromatids separate as independent chromosomes is the
Prophase
Metaphase
Anaphase
Telophase
Q.4
By complete oxidation of glucose number of ATP molecule formed is
2
28
38
48
Q.5
If CO
2
concentration in the blood increases, the breathing will
Increase
Decrease
Stop
No effect
Q.6
Which of the following is true about veins?
Veins carry blood away from the heart, while arteries carry blood to the heart
Veins are more muscular than arteries
Veins have valves; arteries do not
Veins have a smaller diameter lumen than arteries
Q.7
Which of the following serve as antibodies?
Proteins
Lipids
Carbohydrates
Nucleic acids
Q.8
The subcellular organelle not bound by a single membrane is
Golgi apparatus
Endoplasmic Reticulum
Mitochondria
Lysosomes
Q.9
Which one is not found in the composition of plasma membrane?
Minerals
Phospholipids
Carbohydrates
Proteins
Q.10
Biological membranes are composed of
Phospholipids
Proteins
Carbohydrate groups
All of the above
Q.11
Sphygmomanometer measures the blood pressure in the
Veins
Arteries
Eyes
Synovial
Q.12
What is the study of cells called?
Cellogysm
Cytology
Cell Biology
Both B & C
Q.13
A/An ________ tissue is formed beneath the skin and between internal organs.
Epithelial
Nervous
Muscular
Adipose
Q.14
They form the material which forms skins, muscles, hair and nails in animals.
Protein
Carbohydrates
Fats
Vitamins
Q.15
The first root produced from a seed is known as
Conical root
Fusiform root
Radicle
None of the above
Q.16
It is the basic structure found in all membranes such as those of mitochondria and chloroplasts.
Nuclear membrane
Unit membrane
Plasma membrane
Cell wall
Q.17
Ginger is a stem and not a root because
It stores food
It lacks chlorophyll
It has nodes and internodes
None of the above
Q.18
The normal temperature of human body on the Kelvin scale is
280K
290K
300K
310K
Q.19
Which organelle in the cell, other than nucleus contains DNA?
Golgi body
Mitochondria
Lysosome
Centriole
Q.20
Biological membranes are composed of
40% proteins and 60% lipids
50% proteins and 50% lipids
70% proteins and 30% lipids
60% proteins and 40% lipids
Q.21
Which statement best describes arteries?
They have thin walls and transport blood away from the heart
They have thick walls and transport blood toward the heart
They have thin walls and transport blood toward the heart
They have thick walls and transport blood away from the heart
Q.22
Gametes are produced by the process of
Mitosis
Meiosis
Both A & B
None of the above
Q.23
Closely stacked flattened sacs (plants only) is called
Vacuoles
Lysosomes
Golgi apparatus
None of the above
Q.24
Which is a homologous chromosome pair?
Tetrad
Gamate
Chromatid
Zygote
Q.25
Of the following, which is the most fundamental generalization in biology?
Microbiology
Microscope
Cell theory
Discovery of Cell
Q.26
Where does protein synthesis take place?
Nucleus
Ribosomes
On the cell wall
All of the above
Q.27
During which phase or phase of cell division, the morphology of the chromosomes is best studied?
Telophase, anaphase
Prohase, anaphase
Anaphase, metaphase
None of the above
Q.28
Metaphase is followed by the next phase of mitosis called
Anaphase
Prophase
Interphase
Anaphase
Q.29
Which of the following is responsible for giving colour to human skin?
Luciferin
Haemoglobin
Flavonoids
Melanin
Q.30
Which is the largest organ in the human body?
Heart
Brain
Skin
Liver
Q.31
The site in ovule where funicle is attached
Nucellus
Chalaza
Raphe
Hilum
Q.32
Which one is found in a pair in each chromosome?
Genes
Nuclei
Bases
Chromatids
Q.33
Ribosomes are produced in
Nucleolus
Plasmid
Mitochondria
None of the above
Q.34
The single membrane surrounding vacuoles in plant cells is known as
Apoplast
Symplast
Tonoplast
Chloroplast
Q.35
They are double membrane structures that are commonly oval or disc shaped.
Ribosomes
Lysosomes
Nucleus
Golgi bodies
Q.36
The cell wall of plants is generally made up of cellulose and is differently structured than that of a
Moss
Bacterium
Fern
Algae
Q.37
In each pollen sacs a large number of pollens or microspores are produced by
Mitosis
Meiosis
Regeneration
Fragmentation
Q.38
Nucleoli are present during
Prophase
Anaphase
Interphase
Prometaphase
Q.39
Who first studied the process of cell division in animals?
Walther Fleming
Chase
Mendel
Drawin
Q.40
Which division provides a means of transmitting unchange information to the daughter cells?
Mitosis
Meiosis
Binary fission
Fragmention
Q.41
Which one among the following cell organelles is semi-permeable ?
Cell membrane
Plasma membrane
Cell wall
Nucleus
Q.42
Any foreign object that gains entry into the cell is immediately engulfed by the ________ and is completely broken into simple digestible pieces.
R.B.Cs
Platelets
Haemoglobin
Lysosomes
Q.43
A multicellular organism grows by ________ .
Cell addition
Cell explosion
Cell implosion
Cell division
Q.44
At anaphase stage of mitosis in plant cells, interzonal of the spindle fibres gets transformed into
Equatorial plate
Nucleoplast
Phragmoplast
Chloroplast
Q.45
The main function of Henle's loop is
Passage of urine
Filtration of blood
Formation of urine
Conservation of water
Q.46
The artificial kidney is a
Transplant
Machine
Another's kidney
Other kidney from same body
Q.47
Lysosome is formed from which of the following cell organelles?
Nucleus
Endoplasmic reticulum
Golgi bodies
Ribosomes
Q.48
It is a process which converts a single-celled zygote into a great number of cells, which then differentiate into tissues.
Mitosis
Meiosis
Fractionation
Regenration
Q.49
Which division is responsible for the continuity of hereditary information?
Mitosis
Meiosis
Regeneration
All of the above
Q.50
Branch of science which deals with the study of skin of man is called
Physiology
Anatomy
Biochemistry
Dermatology
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