(a) (0, R)(b) (R, 0) (c) (0,0)(d) (R√2, 0)
Deselect Answer
5. The centre of mass of three bodies each of mass 1 kg located at the points (0, 0), (3, 0) and (0, 4) in the XY plane isDeselect Answer
(a) 0.7 m/s (b) 0.5 m/s (c) 0.1 m/s (d) 0.7 – 0.1 m/s
(a) 0(b) 200 J (c) 1224 J (d) 12 kJ
(a) Joule (b) Watt (c) Newton(d) Volt
(a) 2 J (b) 3 J (c) 9 J (d) 18 J
(a) 10 m (b) 98 m (c) 960 m (d) 245 km
(a) 3000 W (b) 4500 W (c) 300 000 W (d) 450 000 W
(a) 84 J (b) 68 J (c) 23 J (d) 8J
(a) 4.9 cm (b) 0.49 cm(c) 9.4 cm(d) 0.94 cm
1. Withdrawal of which hormone is the cause of menstruation?
(a) Estrogen (b) Progesterone(c) LH(d) FSH
2. Which of the following statement is incorrect?(i) Rheumatoid arthritis is an autoimmune disease.(ii) The use of drugs like antihistamine, adrenaline, and steroids quickly reduces the symptoms of bacteria) infection.(iii) Several genes (called cellular oncogenes) have been identified in normal cells which when activated under certain conditions, could transformation of the cells.(iv) The vaccine also generates memory – B and T cells that recognize the pathogen quickly on subsequent exposure and overwhelm the invaders with a massive production of antibodies.(v) HIV enters into helper T-lymphocytes.
(a) (i) and (v)(b) (ii) any(c) (i), (ii) and (iii) (d) All of these
3. Assertion : Interspecific competition is the only potent force in organic evolution. Reason: Unexceptionally two closely related species competing for the same resources cannot co-exist indefinitely.a) Both assertion and reason are true and reason is the correct explanation of assertion.b) Both assertion and reason are true but reason is not the correct explanation of assertion.c) Assertion is true but reason is false.d) Both assertion and reason are false.Deselect Answer
4. Select the correct matching of a hormone,its function.Deselect Answer
5. Which of the given statements (i-iv) are correct about bioreactor?(i) Bioreactor provides the optimal conditions for obtaining the desired product.(ii) Raw materials are biological which are converted into specific products.(iii) Slirred-tank reactor is horizontal in shape.(iv) Large volume of culture cannot be processed.
(a) (i) and (ii)(b) (ii) and (iii)(c) (iii) and (iv)(d) All of these
6. Select the correct statement with respect to diseases and immunisation?
(a) If due to some reason B-and T-lymphocytes are damaged, the body will not produce antibodies against a pathogen(b) Injection of dead / inactivated pathogens causes passive immunity(c) Certain protozoans have been used to mass produce hepatitis B vaccine.(d) Injection of snake antivenom against snake bite is an example of active immunisation
7. Assertion: Arthritis or inflammation of a joint makes the joint painful. Reason: Some toxic substances are deposited at the joint. In the light of the above statements, choose the correct answer from the options given below:
(a) Both (A) and (R) are correct but (R) is not the correct explanation of (A)(b) (A) is correct but (R) is not correct(c) (A) is not correct but (R) is correct(d) Both (A) and (R) are correct and ® is the correct explanation of (A)
8. Match the following and choose the correct answer from the options given belowa) A-(iii), B-(iv), C-(i), D-(ii)b) A-(i), B(ii), C-(iv), D-(iii)c) A-(ii), B-(iii), C-(i), D-(iv)d) A-(iv), B-(i), C-(iii), D-(ii)Deselect Answer
9. Select the incorrect statement with respect to acquired immunity.
(a) Anamnestic response is elicited on subsequent encounters with the same pathogen.(b) Anamnestic response is due to memory of first encounter.(c) Acquired immunity is non-specific type of defence present at the time of birth.(d) Primary response is produced when our body encounters a pathogen for the first time.
10. Read the following (i to v) statements and select the one option that contains both correct statements(i) Z-line is present in the centre of the light band .(ii) Thin filaments are firmly attached to the M-line(iii) The central part of thick filaments, not overlapped by thin filaments is called Z-band(iv) Light band contains only thin filaments(v) Actin filaments are thicker as compared to the myosin filaments.
(a) (i) and (iv) (b) (ii), (v) and (iii)(c) (i) and (iii) (d) (ii)and(iv)
1. Change over time within an evolutionary lineage (phyletic change).a) is the only important evolutionary- process.b) rarely occurs without geographic separation of populations.c) is the main means by which new species arise.d) cannot account for the proliferation of species.Deselect Answer
2. Read the following statements.(i) Metagenesis is observed in Helminths.(ii) Echinoderms are triploblaslic and coelomale animals.(iii) Round worms have organ-system level of body organization.(iv) Comb plates present in ctenophores help in digestion.(v) Water vascular system is characteristic of EchinodermsChoose the correct answer from the options given below.
(a) (ii).(iii) and (v) are correct(b) (iii), (iv) and (v)are correct(c) (i), (ii) and (iii) are correct(d) (i). (iv) and (v) are correct
3. Identify the wrong statement with reference to transport of oxygen.
(a) Partial pressure of CO2 can interfere with O2 binding with haemoglobin(b) Higher H+ cone, in alveoli favours the formation of oxyhaemoglobin(c) Low Pco2 in alveoli favours the formation of oxyhaemoglobin(d) Binding of oxygen with haemoglobin is mainly related to partial pressure of O2
4. Arrange the following human ancestors in ascending order, from earliest to latest:A. Homo erectusB AustralopithecusC Homo hahilisD. Homo neanderthelensis
(a) A-B-C-D (b) B-A-C-D(c) (c) B-C-A-D (d) D-C-A-B
5. When CO7 concentration in blood increases, breathing becomes
(a) shallower and slow(b) there is no effect on breathing(c) slow and deep (d) faster and deeper
(a) Hyoid(b) Malleus(c) Sacrum (d) Scapula
(a) Spleen(b) Thymus(c) Pineal (d) Adrenal medulla
(a) It is secreted by -cells of Langerhans.(b) It acts antagonistically to insulin.(c) It decreases blood sugar level.(d) The gland responsible for its secretion is heterocrine gland.
(a) Recombinant DNA techniques(b) X-ray diffraction(c) Heavier isotope labelling(d) Hybridization
(a) Both Statement I and Statement II are incorrect(b) Statement I is correct but Statement II is incorrect(c) Statement I is incorrect but Statement II is correct(d) Both Statement I and Statement II are correct
(a) Development of thick mucilaginous layer(b) Alteration of cell membrane(c) Mutation in bacteria (d) All the above
(a) (i),(ii) and (iv) (b) (i), (iii) and (iv)(c) (i), (ii) and (iii) (d) (ii), (iii) and (iv)
15. Contraction of the ventricle in the heart begins by the command from
(a) Purkinje fibres (b) AV node(c) chordae tendinae (d) SA node
16. Which one of the following biomolecules is correctly characterized?
(a) Lecithin – A phosphorylated glyceride found in cell membrane.(b) Palmitic acid – An unsaturated fatty acid with 18 carbon atoms.(c) Adenylic acid – Adenosine with a glucose phosphate molecule.(d) Alanine amino acid – Contains an amino group and an acidic group anywhere in the molecule
17. The voluntary response to the distension of urinary bladder is
(a) polyurea (b) micturition(c) mellitus(d) menstruation
18. Which of the following statements is true for lymph?
(a) WBC and serum (b) all components of blood except RBCs and some proteins(c) RBCs, WBCs and plasma(d) RBCs proteins and platelets
19. Removal of proximal convoluted tubule from the nephron will result in:
(a) More concentrated urine(b) No change in quality and quantity of urine(c) No urine formation(d) More diluted urine
20. The functional unit of contractile system in striated muscle is
(a) myofibril (b) sarcomere(c) Z-band (d) cross bridges
(a) Both Statement I and Statement II are incorrect(b) Statement I is correct but Statement II is incorrect(c) Statement I is incorrect but Statement II is correct(d) Both Statement 1 and Statement II are correct
4. Study the pedigree chart given below: What does it show?
(a) Inheritance of a condition like phenylketonuria as an autosomal recessive trait(b) The pedigree chart is wrong as this is not possible(c) Inheritance of a recessive sex – linked disease like haemophilia(d) Inheritance of a sex -linked inborn error of metabolism like phenylketonuria
(a) insect resistance (b) high lysine (essential amino acid) content(c) high protein content(d) high vitamin-A content
(a) Study of enzymes(b) Genetic transformation(c) DNA sequencing (d) Genetic Fingerprinting
(a) amino groups on the amino acids(b) R groups on the amino acids(c) amino acid sequences within the protein molecule(d) peptide bonds
(a) cardiac muscles (b) striped muscles(c) adipose tissue(d) nerve and striated muscles
(a) Hemichordata (b) Chordata(c) Echinodermata (d) Annelida
(a) Testes (b) Kidney(c) Brain(d) Both(a)&(b)
(a) Disposable contraceptive devices(b) Reusable contraceptives(c) IUDs (d) Implants
(a) (i), (ii) and (iii) (b) (i) and (iii)(c) (ii) and (iv)(d) all the five statements
(a) Males and is another name for Uterus masculina(b) Females and is another name for Bertholin’s gland(c) Males and is another name for Cowper‘s gland(d) None of these
(a) Both (A) and (R) are correct but (R) is not the correct explanation of (A)(b) (A) is correct but (R) is not correct(c) (A) is not correct but (R) is correct(d) Both (A) and (R) are correct and (R) is the correct explanation of (A)
20. If Henle’s loop were absent from mammalian nephron which of the following is to be expected?a) The urine will be more concentratedb) The urine will be more dilutec) There will be no urine formationd) There will be hardly any change in the quality and quantity of urine formedDeselect Answer
1. Select the incorrect statement regarding DNA replication
(a) Leading strand is formed 5’⟶ 3’ direction(b) Okazaki fragments are formed in 5’⟶ 3’ direction(c) DNA polymerase catalyses polymerisation in 5’⟶ 3’ direction(d) DNA polymerase catalyses polymerisation in 3’⟶ 5’ direction
2. The C4 plants arc photosynthetically more efficient than C3 plants because:
(a) the CO2 compensation point is more(b) CO2 generated during photorespiration is trapped and recycled through PEP carboxylase(c) the CO2 efflux is not prevented(d) they have more chloroplasts
3. Food chain in which micro-organisms breakdown the food formed by primary producers is
(a) parasitic food chain (b) detritus food chain(c) consumer food chain (d) predator food chain
4. Independent assortment of genes does not lake place when
(a) genes are located on homologous chromosomes(b) genes are linked and located on same chromosomes(c) genes are located on non-homologous chromosomes(d) All the above
5. If we completely remove the decomposers from an ecosystem, its functioning will be adversely affected, because
(a) energy flow will be blocked(b) herbivores will not receive solar energy(c) mineral movement will be blocked(d) rate of decomposition will be very high
(a) increases when pH falls(b) decreases when pH falls significantly(c) neither increase or decrease(d) either increase or decrease
11. Which is the correct combination?Deselect Answer
12. Match the following and choose the correct combination from the options given below.Deselect Answer
13. Which of the following is not currently a major cause of the global reduction in biodiversity?
(a) Overexploitation(b) Global warming(c) Habitat destruction(d) Introduction of foreign predators and disease
14. ABO blood group system is due to
(a) multifactor inheritance(b) incomplete dominance(c) multiple allelism (d) epistasis
20. Which of the following statement(s) is/are incorrect?
(i) Endosperm formation starts prior to first division of zygote.(ii) Angiospermic endosperm is mostly 3N while gymnospermic one is N.(iii) Coconut has both liquid nuclear (multinucleate) and cellular endosperm.(iv) Milky water of green tender coconut is liquid female gametophyte.(v) Endosperm develop at the chalazal end.
(a) (i) and (ii)(b) only(iii)(c) (iv) and (v)(d) only (ii)
1. Which one of the following belongs to the family Muscidae?
(a) Housefly(b) Firefly(c) Grasshopper(d) Cockroach
2. Which of the following statements are correct about the leaf?(i) Leaf is a lateral, generally flattened structure borne on the stem.(ii) It develops at the node and bears a bud in its axil.(iii) Leaves originate from root apical meristems and arranged in an acropetal order.(iv) They are the most important vegetative organs for reproduction.(v) A typical leaf consists of 4 main parts
(a) (i) and (ii)(b) (ii) and (iii)(c) (i),(ii) and (iv) (d) All of these
3. Specialised epidermal cells surrounding the guard cells are called
(a) Complementary cells (b) Subsidiary cells(c) Bulliform cells(d) Lenticels
4. Statement I: Synapsis of homologous chromosome occurs during prophase I. Statement II: Nucleoli may reappear in telophase I.
5. ADP is phosphorylated and NADP is reduced, this happens during.
(a) dark phase of photosynthesis(b) light phase of photosynthesis(c) Photorespiration (d) Calvin cycle
6. Assertion : Mitosis division results in the production of diploid cells. Reason : Synapsis occurs during zygotene of meiosis.a) Both (A) and (R) are correct but (R) is not the correct explanation of (A)b) (A) is correct but (R) is not correctc) (A) is not correct but (R) is correctd) Both (A) and (R) are correct and (R) is the correct explanation of (A)Deselect Answer
7. Filiform apparatus is found in
(a) synergids (b) anther wall(c) secondary nucleus (d) egg cell
9. What is the genetic disorder in which an individual has an overall masculine development gynaecomastia, and is sterile?
(a) Turner’s syndrome (b) Klinefelter’s syndrome(c) Edward syndrome (d) Down’s syndrome
10. Statement I: Stop codons for tRNAs are UAA, UAG, UGA. Statement II: tRNAs are not specific for each amino acid.a) Both Statement I and Statement II are incorrectb) Statement I is correct but Statement II is incorrectc) Statement I is incorrect but Statement II is correctd) Both Statement I and Statement II are correctDeselect Answer
11. Statement I: Genetic diversity comprises of different type of gene in different type species as well as same species. Statement II: Amphibian species diversity is more in Eastern Ghats than the Western Ghat.
12. Assertion: After 24 hours, toddy becomes unpalatable. Reason: The fermentation of toddy is continued by naturally occurring yeasts.
13. Organisms which are indicator of pollution of air are
(a) Mosses (b) Lichens(c) Mushrooms(d) Puffballs
14. Statement I: Microsporangium is generally surrounded by four wall layers – epidermis, endothecium, middle layer and tapetum. Statement II: The outer three wall layers perform the function of protection and help in dehiscence of anther to release the pollen.In the light of the above statements, choose the correct answer from the options given below:a) Both Statement I and Statement II are incorrectb) Statement I is correct but Statement II is incorrectc) Statement I is incorrect but Statement II is correctd) Both Statement I and Statement II are correctDeselect Answer
16. Species interaction with negative influence on both is referred to as
(a) amensalism(b) mutualism(c) commensalism(d) competition
18. Which of the following is a free living aerobic non- photosynthetic nitrogen-fixer?
(a) Rhizobium(b) Azotobacter(c) Azospirillum (d) Nostoc
19. C4 acid, formed in the mesophyll of C4 plants leaf during photosynthesis is
(a) OAA or malic acid or aspartic acid(b) pyruvic acid(c) succinic acid (d) fumaric acid
20. Azotobacter and Beijerinckia are the examples of
(a) symbiotic nitrogen-fixers(b) non-symbiotic nitrogen-fixers(c) ammonifying bacteria(d) disease causing bacteria
2. IUPAC name of isa) Triamminechlorobromonitroplatinum (IV) chlorideb) Triamminebromonitrochloroplatinum (IV) chloridec) Triamminebromochloronitroplatinum (IV) chlorided) Triamminenitrochlorobromoplatinum (IV) chlorideDeselect Answer
4. The geometry of and are Ni(CO)4 and [Ni(PPh3)2 Cl2] are(a) both square planar (b) tetrahedral and square planar(c) both tetrahedral (d) None of these
5. For the reaction of one mole of zinc dust with one mole of sulphuric acid in a bomb calorimeter, and w corresponds to
(a) ΔU < 0, w = 0(b) ΔU < 0, w < 0(c) ΔU > 0, w = 0 (d) ΔU >0, w > 0
6. Reactivity of hydrogen atoms attached to different carbon atoms in alkanes has the order
(a) Tertiary> Primary > Secondary(b) Primary > Secondary > Tertiary(c) Both (a) and (b)(d) Tertiary > Secondary > Primary
7. In most cases, for a rise of 10 K temperature the rate constant is doubled to tripled. This is due to the reason that
(a) collision frequency increases by a factor of 2 to 3.(b) fraction of molecules possessing threshold energy increases by a factor of 2 to 3.(c) Activation energy is lowered by a factor of 2 to 3.(d) none of these
8. Which of the following colligative property can provide molar mass of proteins (or polymers or colloids) with greatest precision?
(a) Osmotic pressure (b) Elevation of boiling point(c) Depression of freezing point(d) Relative lowering of vapour pressure
9. Which one of the following reactions will not form acetaldehyde?
10. The reason for double helical structure of DNA is the operation of:
(a) Electrostatic attractions(b) van der Waals forces(c) Dipole – Dipole interactions(d) Hydrogen bonding
14. Which of the following is the correct increasing order of lone pair of electrons on the central atom?
18. Which element is not present in Nessler’s reagent?(a) Mercury(b) Potassium(c) Oxygen(d) IodineDeselect Answer
1. In the Friedel Craft’s acylation reaction, the effective electrophile is
(a) RCOCl+(b) AIC13(c) RCOCI(d) RCO+
(a) 8 (b) 16 (c) 20 (d) 24
Which of the above statements is/are correct?
(a) I alone(b) II alone(c) l and II(d) II and III
5. Which of the following statement is not correct about the characteristics of cathode rays?
(a) They start from the cathode and move towards the anode.(b) They travel in straight line in the absence of an external electrical or magnetic field.(c) Characteristics of cathode rays do not depend upon the material of electrodes in cathode ray tube.(d) Characteristics of cathode rays depend upon the nature of gas present in the cathode ray tube.
(a) Al < Ga < ln < TI(b) Tl < ln < Ga < Al(c) Al < Ga < TI < ln (d) (d) A I<Tl < Ga < ln
(a) AsH3(b) BiH3(c) PH3(d) SbH3
9. Haemoglobin contains 0.34% of iron by mass. The number of Fe atoms in 3.3 g of haemoglobin is: (Given: Atomic mass of Fe is 56u, NA in 6.022×1023 mol-1 )
(a) 1.21 × 105 (b) 12.0 × 105(c) 1.21 × 1020 (d) 3.4 × 1022
(a) Both statement I and II are correct.(b) Both statement I and II are incorrect.(c) Statement I is correct but statement II is incorrect.(d) Statement II is correct but statement I is incorrect
(a) 0.10(b) 0.02(c) 0.15 (d) 0.03 125 mho cm2 mol-1
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.(b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.(c) If the Assertion is correct but Reason is incorrect.(d) If the Assertion is incorrect and Reason is correct.
(a) 0.955 M and 1.910 M (b) 1.910M and 0.955 M(c) l.90Mand I.910M (d) 0.477 M and 0.477 M
(a) CH3CI(b) CH3CH2CI(c) (CH3)2CHCI (d) (CH3)3C-CI
(a) equal to that of forward reaction.(b) less than that of forward reaction.(c) greater than that of forward reaction.(d) given values are not sufficient to explain given statement.
19. Which of the following is not permissible arrangement of electrons in an atom?
(a) n = 5, l= 3, m = 0, s= + 1/2(b) n = 3, l = 2, m =-3, s=-1/2(c) n = 3, l = 2, m = – 2, s= -1/2(d) n = 4, l = 0, m = 0, s = -1/2
20. Which of the following compounds will show metamerism?a) CH3 – CO – C2H5b) C2H5 – S – C2H5c) CH3 – O – CHd) CH3 – O – C2H5
1. According to the kinetic theory of gases, the pressure exerted by a gas on the walls is measured as
(a) rate of change of momentum imparted to the walls per second per unit area.(b) momentum imparted to the walls per unit area(c) change of momentum imparted to the walls per unit area.(d) change in momentum per unit volume
2. The fundamental frequency of a closed end organ pipe is n. Its length is doubled and radius is halved. Its frequency will become nearly
(a) n/2 (b) n/3 (c) n (d) 2n
3. A rain drop of radius 0.3 mm has a terminal velocity in air = 1m/s. the viscosity of air is 8×10-5 poise. The viscous force on it isa) 45.2 × 10-4 dyneb) 101.73 × 10-5 dynec) 16.95 × 10-4 dyned) 16.95 × 10-5 dyne
4. A 2V battery is connected across AB as shown in the figure. The value of the current supplied by the battery when in one case battery’s positive terminal is connected to A and in other case when positive terminal of battery is connected to B will respectively be:
(a) 0.4 A and 0.2 A(b) 0.2 A and 0.4 A(c) 0.1 A and 0.2 A(d) 0.2 A and 0.1 A
5. Steam is passed into 22 gm of water at 20°C. The mass of water that will be present when the water acquires a temperature of 90°C (Latent heat of steam is 540 cal/g) is
(a) 24.83 gm(b) 24 gm(c) 36.6 gm(d) 30 gm
6. Electromotive force is the force which is able to maintain a constant
(a) potential difference(b) power(c) resistance(d) current
7. A charge particle moving in magnetic field B, has the components of velocity along B as well as perpendicular to B. The path of the charge particle will be
(a) helical path with the axis perpendicular to the direction of magnetic field B(b) straight along the direction of magnetic field B(c) helical path with the axis along magnetic field B(d) circular path
8. In an AC generator, a coil with N turns, all the same area A and total resistance R, rotates with frequency cd in a magnetic field B. The maximum value of emf generated in the coil isa) NABRωb) NABc) NABRd) NABω
9. A spring of force constant 800 N/m has an extension of 5 cm. The work done in extending it from 5 cm to 15 cm is (a) 16J (b) 8J(c) 32 J (d) 24 J
10. The effective capacitance between the points P and Q of the arrangement shown in the figure is
11. A glass rod 20 cm long is clamped al the middle. It is set into the longitudinal vibration. If the emitted sound frequency is 4000 Hz, the velocity of sound in glass will be
(a) 2800 m/s(b) 3200 m/s(c) 1600 m/s (d) 2000 m/s
12. In bringing an electron towards another electron, the electrostatic potential energy of system
(a) increases(b) decreases(c) becomes zero(d) remains unchanged
13. A conducting loop of radius 10/√π cm is placed perpendicular to a uniform magnetic field of 0.5T. The magnetic field is decreased to zero in 0.5 s at a steady rate. The induced emf in the circular loop at 0.25 s is:
(a) emf=1mV(b) emf=10mV(c) emf=100mV(d) emf=5mV
14. In an electromagnetic wave, at an instant and at a particular position, the electric field is along the negative z-axis and magnetic field is along the positive x-axis. Then the direction of propagation of electromagnetic wave is:
(a) at 45° angle from positive y-axis(b) negative y-axis(c) positive z-axis (d) positive y-axis
15. Identify the solar cell characteristics from the following options:
16. A 100 m long wire having cross-sectional area and Young’s modulus is is subjected to a load of 250 N, then the elongation in the wire will be:a) 6.25 × 10-3 mb) 4 × 10-4 mc) 6.25 × 10-6 md) 4 × 10-3 m
17. When a mass is rotating in a plane about a fixed point, its angular momentum is directed along the
(a) radius of orbit(b) tangent to the orbit (c) line parallel to plane of rotation(d) line perpendicular to plane of rotation
18. Kirchhoff’s I and II laws are based on conservation of
(a) energy and charge respectively(b) charge and energy respectively(c) mass and charge respectively(d) None of these
19. Use of eddy currents is done in the following except
(a) moving coil galvanometer(b) electric brakes(c) induction motor(d) dynamo
20. A satellite of mass m is put into a circular orbit of height h from the surface of the earth (mass = Me, radius = Re) The orbital speed of satellite is
(a) Gonorrhoea – Trichomonas(b) Genital warts – Treponema(c) Syphilis – Neisseria(d) Tetanus – Clostridium
(a) Glucagon is secreted by ẞ-cells of islets of Langerhans and stimulates glycogenolysis.(b) Secretion of thymosin is stimulated with ageing.(c) In females, FSH first binds with specific receptors on ovarian cell membrane.(d) FSH stimulates the secretion of oestrogen and progesterone.
(a) Morphine is extracted from the leaves of Cannabis sativa.(b) Chikungunya and amoebic dysentery are both trans-mitted through mosquito as a vector.(c) Anti-histamine, adrenaline and steroids quickly reduce the symptoms of allergy.(d) T-lymphocytes act like an HIV factory
(a) Commensalism (b) Protocooperation(c) Mutualism(d) Competition
(a) HCO, and K (b) NaCl and Hо(c) NaCl and urea (d) K’ and H
(a) A bands retain the length.(b) Shortening of sarcomere.(c) I band gets reduced.(d) H zene retains the length.
(a) High density of cones occur, but has no rods.(b) The optic nerve leaves the eye.(c) Only rods are present.(d) More rods than cones are found.
(a) Formation of blood testis barrier(b) Secretion of smegma.(c) Secretes Anti Mullerian Factor,(d) Secretes Androgen Binding Protein.
(a) Portal vein(b) Portal artery(c) Axons(d) Lymph vessel
(a) Two(b) Three(c) Four(d) Five
(a) It is a protein of primary structure(b) converts solube fibrinogen of plasma into insoluble fibrin(c) Converts insoluble fibrinogen into insoluble fibrin(d) Converts fibrin into fibrinogen
(a) The person will die due to lack of urine formation.(b) Uremia and death.(c) Death due to poisoning.(d) The person may survive
(a) Superior lobe of right lung(b) Inferior lobe of left lung(c) Superior lobe of left lung(d) Inferior lobe of right lung
(a) Hyaline cartilage(b) Fibrous cartilage(c) Hyaline and calcified cartilage(d) Elastic cartilage
(a) Amphibia(b) Reptilia(c) Aves(d) Mammalia
(a) Monokines (b) Lymphokines(c) Interleukins. (d) Interferons