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Q.1
The shape of chromosome is clearly visible at
Prophase
Anaphase
Metaphase
Telophase
Q.2
How many daughter cells are formed after the completion mitosis?
2
4
6
8
Q.3
The C shape of the tracheal cartilage is important because
Divide the nasal cavity
Allows for expansion or contraction of the trachea
Provide a surface for the sense of smell
All of the above
Q.4
The movement of materials across the cell membrane with the help of biological energy provided by ATP is called
Active Transport
Passive Transport
Endocytosis
Fractionation
Q.5
Water molecules enter plant epidermal cells by
Active Transport
Translocation
Osmosis
None of the above
Q.6
Root pressure is developed in
Cortex
Phloem
Xylem
Pith
Q.7
Which of the following is true of osmosis?
It is a type of diffusion
Movement is against water's concentration gradient
Requires energy
All of the above
Q.8
The phenomenon of summer sleep by animals is called
Hibernation
Aestivation
Laziness
Lethargy
Q.9
Study of process of ageing
Genocology
Geronotology
Ontogeny
None of these
Q.10
Potato is a
Root
Stem
Bud
Fruit
Q.11
The "eyes" of potato tubers are
Shoot buds
Flower buds
Root buds
Axillary buds
Q.12
How does a Unicellular Organism reproduce?
Cell division
Cell reproduction
Cell synthesis
Fragmentation
Q.13
Healing of wounds is dependent upon the ________ division of underlying cells.
Meiosis
Mitotic
Budding
None of the above
Q.14
Which phase's intiation is indicated by the appearance of the chromosomes as thin threads in the nucleus?
Prophase
Metaphase
Telophase
Anaphase
Q.15
In which of these mitosis is missing and the cell divided by binary fission?
Prokaryotes
Eukaryotes
Arthropdes
All of these
Q.16
Function of haemoglobin is
To transport oxygen
Destruction of bacteria
To check the loss of blood
None of the above
Q.17
Pollen is produced by the process of
Mitosis
Pollination
Meiosis
Fertilization
Q.18
Alveoli is related to which of the following system of human body?
Circulatory system
Excretory system
Reproductive system
Respiratory system
Q.19
Which process requires no energy from the cell?
Osmosis
Diffusion
Both A & B
None of the above
Q.20
When the diaphragm and external intercostal muscles contract,
The volume of the thorax decreases
The volume of the lungs decreases
The volume of the thorax increases
The lungs shrink
Q.21
What process accounts for species diversity?
Predation
Mitosis
Symbiosis
Meiosis
Q.22
Number of which type of WBC is greatest in blood of human?
Eosinophils
Basiophils
Lymphocytes
Neutrophils
Q.23
Which of the following organelles contain enzymes that have digestive action?
Plastids
Lysosomes
Ribosomes
Polysomes
Q.24
The water readily available to plants for absorption by roots is
Gravitational water
Rain water
Hygroscopic water
Capillary water
Q.25
Pressure, pain, and temperature receptors in the skin are
Exteroceptors
Proprioceptors
Interoceptors
Mechanoreceptors
Q.26
Goosebumps are caused by contractions of the
Muscles
Nerves
Bones
All of the above
Q.27
Animals who have constant body temperature are
Homeothermic
Hemothermic
Hematology
Histology
Q.28
Which type of cell, skin is made up of:
Epidermal cells
Connective tissue
Permanent tissues
Parenchyma
Q.29
Sweating is important
For improvement of normal health
To open the pore of skin
To control the temperature of body
To excret the smell of body
Q.30
The outermost layer of skin is
Epidermis
Dermis
Tissues
Hypodermis
Q.31
Which of the following is responsible for transport of food and other substances in plants?
Xylem
Phloem
Chloroplast
None of these
Q.32
It is formed by a repeating nucleosome units, which are closely attached to each other to a continuous fibre.
Chromatin
Centromere
Chromosome
DNA
Q.33
Which event occurs during interphase?
Centrioles appear
Spindle fibers begin to form
The cell grows
Centromeres divide
Q.34
How many daughter cells reproduces after the completion of Meiosis II?
2 daughter cells
4 daughter cells
6 daughter cells
8 daughter cells
Q.35
Complete oxidation of sucrose in presence of oxygen into CO
2
, water and energy is called
Aerobic respiration
Anaerobic respiration
Glycolysis
Hydrolysis
Q.36
Blood leaving lungs, is rich in
Oxygen
Carbondioxide
Haemoglobin
Number of RBC
Q.37
The organs protected by the thoracic cage include the
Lungs
Heart
Both a & b
None of the above
Q.38
When are chromatids found in a cell?
Anaphase
Metaphase
Prophase
None of the above
Q.39
Blood is
Alkaline
Neutral
Like a buffer
Acidic
Q.40
Blood pressure is measured with
Thermometer
Barometer
Sphygmomanometer
Lactometer
Q.41
They are also concerned with the formation and storage of certain compounds secreted by the cell.
Lysosomes
Golgi Bodies
Centriole
None of the above
Q.42
Carbon monoxide has ________ greater affinity for haemoglobin as compared to oxygen.
1000 times
210 times
20 times
2 times
Q.43
The process of evaporation occurs from
Root
Stem
Leaf
Entire 'plants' surface
Q.44
Which process requires cellular energy?
Passive transport
Active transport
Both A & B
None of the above
Q.45
Lacrymal glands are situated in the
Palms
Buccal cavity
Buccal cavity
Stomach
Q.46
Which of the following acts as an insulator against heat, cold and as a shock-absorber in the body?
Dermis
Epidermis
Subcutaneous fat layer
None of the above
Q.47
In human the thickest skin is present in
Palm
Sole
Neck
Head
Q.48
Which of the following is the cellular respiratory centre?
Nucleus
Mitochondria
Ribosome
Golgi body
Q.49
In a cell process of respiration takes place in
Mitochondria
Plastids
Ribosomes
Lysosomes
Q.50
Cold blooded animals are known as
Homiotherms
Eurytherms
Endotherms
Poikilotherms
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