BIOLOGY
1) The foetus draws its oxygen from the ____ (amniotic fluid, placenta, umbilical cord)
2) The condition of a cell when it cannot accommodate any more water is ____(turgor pressure/ turgid/ flaccid).
3) The blood vessel which carries oxygenated blood to the heart is ____ (aorta, pulmonary vein/ pulmonary artery).
4) The respiratory centre is located in the ____ (cerebrum/hypothalamus/ medulla oblongota).
5) Myopia can be corrected by ____(convex lens/ concave lens/ surgery).
6) The duct which leads from the epididymis to the urethra is the ____.
7) The swelling on a nerve in which the cell bodies of neurones are situated is termed ____.
8) The embryo in the uterus is protected from machanical shocks or jerks by the ____.
9) ATP stands for _____
10) Light enters the eye through the aperture called ____.
11) The liquid portion of the blood is___.
12) ____ is a pigment in mammalian body which is responsible for the transport of oxygen.
13) Nucleated blood cells are called ___.
14) A protein called an ____ destroys harmful injective micro-organisms.
15) A protein called ___ is ingredient in the clotting reaction of the blood.
16) Fill the blanks by given words:( osmosis, ciliary muscles, aorta, stapes, alveoli, WHO, malleus, diffusion, dorsal aorta, bronchioles, iris, red cross, cardiac cycle, ventilation, iron, iodine, liver, kidney)
a) The blood vessel leaving the left ventricle of the mammalian heart is the ____.
b) The process by which molecules distribute themselves evenly within the space they occupy is termed _____.
c) The sequence of muscular movements performed by the heart is called ___.
d) Goitre results from the deficiency of ___ in our diet.
e) Urea is produced in the ____.
17) Each kidney is composed of ___.
18) The process of removing the metabolic waste from the body is known as ____.
19) ____ is the structure, which carries urine from kidney to the urinary bladder.
20) Apart from urea ____ is also found in normal human urine.
21) Automatic self regulation of salt and water within the body is known as ____.
22) The defect of hypermetropia is corrected by ____.
23) In spinal cord ____ is inside.
24) "Green house effect" is due to increase in amount of ___ in the atmosphere.
25) The _____ are the ones which are between the ends of sensory neuron.
26) The storage of sugar as glycogen in the liver is increased by the presence of ____.
27) The valve present between the left atrium and the left ventricle is the ____.
28) Food is translocated in plants through___.
29) The average life of RBC is ____.
30) Receptor cells in the eye concerned with colour vision.
31) The part of the nervous system which prepares the body of an emergency.
32) The stage of mitosis during which chromatids and move apart.
33) The process of getting rid of the waste products of metabolism is called___.
34) One of the products formed by the___ of water is oxygen.
35) The blood vessel which transport blood from the heart to an organ is called___.
36) The cell in which oxyhemoglobin is formed is____.
37) The level of health in India is low due to___ and____.
38) In India life expectancy in____ is lower than in males because of causes associated with____.
39) The yellow fluids which remain after blood has clotted is termed ____.
40) ____ is the force developed during Osmosis (turgor pressure/diffusion pressure deficit/osmotic pressure).
41) Flaccid and turgid ____(opposite/ same/ not related) to each other.
42) ____ is an organ which serve as a blood reservoir during emergency (spleen /lumg/ heart).
43) pH of blood is_____( 7.3 to 7.5/ 7 to 8/ 6.5 to 7).
44) Potometer is an instrument for measuring the rate of___ ( transpiration/ photosynthesis/ flow of blood in an artery).
45) WBC's count is higher in _____(adults/children/ middle aged persons).
46) Largest region of the brain is____ ( Cerebellum/ cerebrum/ medulla).
47) The basic unit of the human brain is the____.
48) The end product of the fermentation is___.
49) A non degradable pollutant is____.
50) The period of the complete development of the foetus till birth is termed ____.
51) The foetus draws its oxygen from the___ (ammonia fluid/ placenta/umbilical cord).
52) The condition of a cell when it cannot accommodate any more of water is___( turgor pressure/ turgid/ Flaccid).
53) The respiratory Centre is located in the ____.(cerebrum/ hypothalamus/ medulla oblongota).
54) The function of root is____(secretion/absorption/sinthesis).
55) colour blindness is a____. ( mistake/ genetic disorder/ infectious disease).
56) The modified Golgi complex in a sperm is ____. (tail/end piece /acrosome ).
57) Largest pregnancy seen in a mammal is in the____.( Asiatic elephant/Asiatic lion/ tiger).
58) Placenta has____( 50% maternal component/ 50% paternal component/ no maternal component).
59) Cell division in plants take place by____. (centrosome/ microtubules/ vesicles ).
60) Diabetes mellitus is caused due to____ of insulin. ( hyposecration/hypersecretion/ normal separation).
61) All animals would die on Earth if there was no____ (hemoglobin/ chlorophyll/ penicillin).
62) ____:is a genetic disorder. (Thalassemia/typhoid/cholera).
63) Deficiency of growth hormone causes____(gigantism /achromegaly/ dwarfism).
64) Guttation occurs through____. (Hydathode / lenticel/cuticle).
65) _____ is a cross between F₁ (individual and any of the two parents. (Test cross /back cross/ simple cross).
66) ___genetic disorder(Cholera/ typhoid/colour blindness).
67) Mendel's ____ is often known as purity of gamets .
68) ___' is a 5-carbon compound formed in light reaction and enters into the dark reaction. (PGA/ RUDP/NADPH₂).
69) 'Fight' and 'Flight' harmone is_____.(adrenaline/insulin/glucagon).
70) The energy-rich compound is_____( ADP/ATP/NADPH₂).
CHEMISTRY
1) From the following list of substances choose the one substance in each case which matches the description (i) to (vi) given below.
---Write down the names exactly as they are given in the list.-- Do not write formulae.
(Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead carbonate, Lead Nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate)
i) A hydrogen carbonate which exists in the solid state.
ii) A carbonate not decomposed by heat.
iii) A green coloured carbonate which turns black on heating.
iv) A nitrate which gives off only oxygen when heated.
v) A nitrate which on heating decomposes into dinitrogen oxide (nitrous oxide)
and steam.
vi) A nitrate which gives off Oxygen and Nitrogen dioxide when heated.
2) Choose from the following list of substances, the one substance in each case, which matches the descriptions (i) to (x) given below:
( Write down the names exactly as they are given in the list. Do not write symbols or formulae. Note there are three extra names)
Aluminium nitride, brass, bronze, chlorine, copper hydrogen sulphide, magnesium, Methane, methanol, Sodium hydrogen sulphate, sulphur, Sulphur dioxide, zinc.
i) The molecules of this compound are non-polar.
ii) This metal does not liberate hydrogen from dilute acids.
iii) This compound is an acid salt.
iv) This metal reacts with sodium hydroxide solution liberating hydrogen.
v) This compound reacts with water and liberates ammonia.
vi) This gas when dissolved in water reacts to form two acids.
vii) This non-metallic elements exists in two crystalline forms in the solid state.
viii) This substances is an alloy of Copper and zinc.
ix) Spurious liquor contains this compound.
x) This gas turns moist lead acetate paper black.
3) From the substances manganese (IV) oxide, hydrochloric acid, lead(IV) oxide, magnesium , Phosphorus, sodium , select
i) One which evolves oxygen on heating.
ii) two substances which react with each other in cold to give hydrogen.
iii) a substance which will burn in oxygen giving a product that reacts with water so that on the addition of litmus it turns blue.
iv) A substance which will burn in oxygen to produce an acidic oxide.
v) two substance that will react with each other to produce chlorine.
4) Choose from the following list of substances, the one substance in each case which matches the descriptions (i) to (x) given below:
(Write down the names exactly as they are given the list. Do not write symbols of formulae. (Note : there are three extra names)
bronze, carbon disulphide, calcium carbide, ethyl alcohol, slaked lime, sulphur trioxide, Ammonium Nitrate, sodium, sulphate, ammonium carbonate, Phosphorus, methane
i) A gas is evolved when Sodium acetate is heated with soda lime.
ii) A non-metallic element exists in two crystalline forms .
iii) A silvery white soft metal which is kept in kerosene oil.
iv) A substance on heating produces laughing gas.
v) A gas dissolves in water with a hissing noise and produces an acid moist.
vi) A white alkaline substance which on mixing with ammonium chloride and heating evolves ammonia.
vii) An alloy for making statues and coins.
vii) A solvent for dissolving Sulphur.
ix) A substance when treated with water liberates acetylene.
x) An alcohol generally used for drinking purposes.
5) X is an element in the form of powder. X burns in oxygen and the product is soluble in water. The solution is tested with litmus. Write down only the word which will correctly complete each of the following sentences:
a) if X is a metal, then the litmus will turn____.
b) if X is a non-metal, then the litmus will turn____.
c) If X is a reactive metal then____ will be evolved when X reacts with dilute sulphuric acid.
d) if X is a metal it will form ____ which will form____ solution with water.
e) If X is a non-metal, it will not conduct electricity unless it is carbon in the form of ____.
6)a) Ionic compounds have ___ melting points due___ ionic bonds.(high/ low/ strong/ weak).
b) ____ compounds have low boiling points because of ____intermolecular forces . ( electrovalent/covalent/strong/ weak).
c) A solution of a ____electrolyte will contain both ions and molecules of the solute. (strong/ weak).
7) (anions, anode, cathode, cations , electrodes, electrolyte, nickel, voltmeter)
a) To electroplate an article with nickel requires an___ which must be a solution containing____ ions. The articles to be plated in a placed as the___ of the cells in which the plating carried out. The ____of the cell is made from pure nickel . The anions which are attracted to the negative electrode and discharged of called____.
8) a) A chemical linkage formed between two dissimilar atoms by the___ of electrons from one atom to the other is called____ linkage. (electrovalent/covalent/ transference /sharing).
b) The tendency of an atom to____shared pair of electron towards itself in a covalently bonded molecule is called___(ionization energy/ electronegativity/ attract/repel).
c) The hardness of ionic compounds is due to___ the electrostatic forces of attraction between___ charged ions(weak/ strong/ oppositely /similar).
Physics
1) State the SI and CGS unit of force.
2) Define critical angle.
3) Define erg.
4) What is meant by Refractive index of a medium with respect to air ?
5) State two uses of ray having frequency less tha
n that a visible light.
6) If a crowbar has length 1.5m and the fulcrum is placed at 25 cm from one end, find its MA.
7) What is meant by the spectrum of white light ?
8) What is thermionic emission ?
9) Define specific latent heat of steam.
10) What is an echo?
11) Define the term resonance.
12) On what factor does the natural period of a body depend .
13) A car driver parks his car with two 60 W headlamps and four 6W sidelamps switched on. The lamps are connected in parallel and powered by 12 V battery.
Explain the phrase connected in parallel.
14) Define resistivity of the material of a conductor.
15) On what factor does the resistivity depend ?
16) State Snell's law.
17) Define the SI unit for the power of a lens.
18) Under what condition does resonance occur ?
19) Why is a loud sound heard at acaustic resonance ?
20) State the principle of moments as applied to a lever.
21) Define specific latent heat of ice.
22) State the principle on which lever works.
23) Complete the equation ¹³¹₅₅I ---> X + ⁰₋₁e.
24) Name the material used for making a fuse wire.
25) With reference to a DC motor state the energy change that takes place.
26) With reference to a DC motor, the principle upon which it operates.
27) A radioactive element ᴬₓX first emits a β-particle and then an Alpha particle and the resulting nucleus can be represented by ᴾqY. What is the value of P and q in terms of A and x ?
28) What is a nuclear fusion?
29) What purpose does a fuse serve in a circuit?
30) What is resonance?
31) Give the conditions under which resonance occurs.
32) Give one example of the phenomenon based on resonance.
33) Define 1 Ohm.
34) Among the α, β and γ-ray, which one has least penetrating power?
35) You have just paid the electricity bill for your house.
a) What was it that your family consumed, for which you have to pay ?
b) In what unit was it measured ?
36) Water in a pond appears to be only three quarters of its actual depth. What property of light is responsible for the observation ?
Biology
.
2) The part of the brain which is concerned with memory.
3) The kind of cells which constitute the cortex in a root.
4) The biggest source of air pollution in largest cities.
5) An artery which carries deoxygenated blood.
6) The type of vascular bundle in Dicot root.
7) The kind of leaf in which the mesophyll is differentiated into upper palisade and lower spongy parts.
8) The instrument used to measure the rate of transpiration.
9) The duct which transports urine from the kidney to the urinary bladder.
10) The endocrine gland which produces emergency hormone.
11) The sheet of muscle between the thorax and abdomen of man.
12) The fluid that is present inside and outside the brain.
13) The opening through which light enters the eyes.
14) The element required for clotting of blood in man.
15) The tube that leads from the ovary to the uretus.
16) Tissue concerned with upward conduction of water in plants.
17) Opening found on the under-surface of Dorsiventral leaves.
18) The technical term used for the difference between birth rate and the death rate.
19) The cells that controls the entry of carbon dioxide into a leaf.
20) The constituent of blood destroyed in the liver.
21) The amoeboid cells in the human body.
22) Female reproductive cells (human).
23) The point in which one neurons end and other starts.
24) The gland which pour their secretions directly into blood.
25) A metal causing water pollution.
26) The organ of the female body in which the foetus develops.
27) The phase of the cardiac cycle in which ventricle ejaculates blood to the outer aorta and pulmonary artery.
28) The site of production of the red blood cells in the adult humans .
29) The source of maximum air pollution in larger cities.
30) The process in which WBCs engulf bacteria.
31) A condition caused due to oversecretion of thyroxine.
32) Receptor cells in the eye concerned with the color vision.
33) The part of the nervous system which prepared the body of an emergency.
34) The stage of mitosis during which the chromatids separate and move apart.
35) A bilobed gland situated in front of the neck just below the larynx .
36) The organ in which adrenal gland or suprarena gland is located.
37) The hormone that controls the basal metabolic rate.
38) The duct which transports urine from the kidney to the urinary bladder.
39) The soluble protein present in blood plasma, responsible for clotting.
40) The surgical method of contraception of human female.
41) A pollutant which reduces the oxygen carrying capacity of blood.
42) A tissue present at the tip of the root .
43) The bony socket in which eye is well protected.
44) The colour of rays and which photosynthesis is highest.
45) An artery which carries deoxygenated blood.
46) The site of production of RBCs in the human embryo.
47) The structure that joins the two cerebral hemispheres.
48) A pollutant largely responsible for Acid rain.
49) A fluid that transports fatty acid and glycerol.
50) Cytoplasmic organelles that helps in the manufacture of starch.
51) The statistical study of human population.
52) Pair of genes responsible for a particular characteristic in an individual.
53) A solution whose concentration is greater than that of the cell sap.
54) The fluid that provides protection and nourishment to the cell of the brain.
55) The gland which secrets insulin.
56) The part of the brain which concerned with memory.
57) The cross in which only one pair of character is considered.
58) Sex-limited genes.
59) The exudation of sap from the injured parts of the plants.
60) A fully stretched cell.
61) The term used for mature follicle in females.
62) Raw materials of photosynthesis.
63) Condition reflexes are controlled by this part.
64) Two giant chromosomes.
65) The middle coat of the eye.
66) The method of cutting spermatic ducts in males .
67) Glands which possess a duct to pour their secretions.
68) Aggregation of nerve cell bodies.
69) A change of activity due to stimulus.
70) The inner most layer of brain.
71) The place of fertilization of eg cell in humans.
72) Time when stomata are generally closed.
73) A special marginal structure in a leaf through which guttation occurs.
74) Disc shaped structure found in centrome.
75) Inactive X chromosomes.
76) Progenies produced asa result of sexual reproduction between two varieties.
77) The giant chromosome discovered by the Italian scientist Balbbiani.
78) The nitrogenous bases which is not present in DNA.
79) Deficiency disease of vitamin A.
80) A. process of transferring of sperm into r female uterus by artificial means.
81) The three conditions for photosynthesis to occur.
82) A structure in the ovary carrying a centrally placed ovum surrounded by cerebral layers of granular cells.
83) A fluid which acts as a shock-proof cushion for the brain and spinal cord and keeps them moist.
84) A gland consisting of two lobes, placed on either side of trahea in the neck region .
85) A hormone which helps inconserving body water.
86) The study of nervous system in animal body.
87) The hormone secreted by delta cells of pancreas.
88) thre actions which are involuntary controlled by spinal cord.
89) The pouch in which testes are present in man.
90) A system which includes the nerves which carries the impulses to and from the central nervous system.
91) Dark reaction in photosynthes.
92) The factor which stimulates the function of thyroid.
93) A psychological phenomenon which causes premature leaf fall and delay in flower production due to the production of Abscisic acid.
94) A process which regulates opening and closing of stomata.
95) The chemical used to denature chlorophyll in green leaves for discharging it.
96) The most affected part of the brain after alcohol consumption.
97) A deformality of the body which result in abnormal long bones of lower jaw but the body does not attain a giant structure.
97) A structure in the nervous system which involves reflex actions .
98) The gland present in the eyes.
99) The gland which is often called master gland.
100) The cell division also known as reduction divisio.
101) The endocrine gland present only in females.
102) Large plyhedral cells in the connective tissue of the testis which produce male sex hormone.
No comments:
Post a Comment