Description : Who among the following is credited with starting the work on plant tissue culture? (1) F.C. Steward (2) P. Maheshwari (3) P.R. White (4) Haberlandt
Last Answer : (4) Haberlandt Explanation: G. Haberlandt, a German botanist, in 1902 cultured fully differentiated plant cells isolated from different plants. This was the very first step for the beginning of plant ... were made by the Cell Doctrine which admitted that a cell is capable of showing totipotency.
Description : The concept of tissue culture was introduced by – (1) Halfmeister (2) Hanstein (3) Haberlandt (4) Harming
Last Answer : (3) Haberlandt Explanation: Wilhelm Roux is credited with the establishment of the basic principle of tissue culture in 1885. However, it was Gottlieb Haberlandt, an Austrian botanist, who first pointed out the possibilities of the culture of isolated tissues, plant tissue culture.
Description : The concept of tissue culture was introduced by (1) Halfmeister (2) Hanstein (3) Haberlandt (4) Hanning
Last Answer : Haberlandt
Description : Cellular totipotency was demonstrated by (a) Theodore Schwann (b) A.V. Leeuwenhoek (c) F.C. Steward (d) Robert Hooke.
Last Answer : (c) F.C. Steward
Description : What did William Henry steward want to do?
Last Answer : dig a canal in Panama-apex
Description : Why did Norma consider the tone and attitude of Mr. Steward offensive in the story Button Button?
Last Answer : She considered him offensive because he challenged her after she had already told him that they weren't interested and that he could not come in.
Description : Who invented the safety pin? A. Charles Goodbye B. steward Harshone C. Walter Hunt (Answer) D. A.Rose
Last Answer : C. Walter Hunt (Answer)
Description : Which personality is credited with starting ‘Vana Mahotsava’ in 1950 ? -Do You Know?
Last Answer : answer:
Description : Better classroom management means (a) per group work and better interaction among pupils (b) prior preparation of teacher in the making of suitable aids (c) Punctuality of the teachers in coming in the ... creating problems (f) Avoid teaching when pupils are not in proper mood (g) All of these
Last Answer : (g) All of these
Description : Who is credited with brining the term "the invisible hand"• in economics? a) Adam Smith b) John Maynard Keynes c) F. Hayek d) Samuelson
Last Answer : a) Adam Smith
Description : ‘Who among the following are credited to have built the famous Ellora caves?
Last Answer : Rashtrakutas
Description : Mark the INCORRECT statement about agar, a gelling agent in plant tissue culture medium a. Not digested by plant enzymes b. It does not use in micro-propagation work c. It does not react with media constituents d. Remain stable at incubation temperature
Last Answer : b. It does not use in micro-propagation work
Description : R. G. Ltd. purchased machinery from K.G. Company for a book value of Rs. 4,00,000. The consideration was paid by issue of 10%. Debenture of Rs. 100 each at a discount of 20%. The debenture account will be credited by– (A) Rs. 4,00,000 (B) Rs. 5,00,000 (C) Rs. 3,20,000 (D) Rs. 4,80,000
Last Answer : Answer: Rs. 4,00,000
Description : Provision for Income Tax is _____ A. Debited to P & L Appropriation A/c B. Debited to Profit and Loss A/c C. Debited to Treading A/c D. Credited to P & L Appropriation a/c
Last Answer : B. Debited to Profit and Loss A/c
Description : What is bagging technique in plant tissue culture? -Biology
Description : The smallest viable unit which can grow, multiply and form a plant in tissue culture is
Last Answer : The smallest viable unit which can grow, multiply and form a plant in tissue culture is A. Ceromosome B. Nucleus C. Cell D. Tissue
Description : Assertion : A major advantage of tissue culture is protoplast fusion. Reason : A hybrid is formed by the fusion of naked protoplasts of two plant.
Last Answer : Assertion : A major advantage of tissue culture is protoplast fusion. Reason : A hybrid is formed ... false D. If both assertion and reason are false
Description : Assertion : Somatic embros can be induced from any cell in plant tissue culture. Reason : Any living plant cell is capable of differentiating into som
Last Answer : Assertion : Somatic embros can be induced from any cell in plant tissue culture. Reason : Any ... false D. If both assertion and reason are false
Description : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic
Last Answer : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : ... false D. If both assertion and reason are false
Description : If a person wants to obtain agar for tissue culture, which plant group he should search?
Last Answer : If a person wants to obtain agar for tissue culture, which plant group he should search?
Description : How are plant tissue culture and the regeneration of plant cuttings alike?
Last Answer : They are basically the same because in both cases somaticmultiplication and cell differentiation take place to establish anew plant.
Description : With reference to plant tissue culture select the matching pair: (1) Sterile triploid—banana and seedless fruit (2) Somaclonal variations—differences appearing (3) Embryoids—non-zygatic embryo produced from somatic cells (4) Pulses—belong to cruciferae
Last Answer : Ans. ((a))
Description : A large number of identical plants can be obtained in a short span of time through - (1) large number of seeds of a single plant (2) stern cuttings (3) tissue culture technique (4) hydroponics method
Last Answer : (3) tissue culture technique Explanation: Plant tissue culture is a collection of techniques used to maintain or grow plant cells, tissues or organs under sterile conditions on a nutrient culture medium ... hormones, which causes the plant part to grow at very rapid rates to produce new plantlets.
Description : In your opinion, which is the most effective way to conserve the plant diversity of an area? (a) By tissue culture method (b) By creating biosphere reserve (c) By creating botanical garden (d) By developing seed bank
Last Answer : (b) By creating biosphere reserve
Description : Somaclones are obtained by (a) plant breeding (b) irradiation (c) genetic engineering (d) tissue culture
Last Answer : (d) tissue culture.
Description : To obtain virus - free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken? (a) Apical meristem only (b) Palisade parenchyma (c) Both apical and axillary meristems (d) Epidermis only
Last Answer : (c) Both apical and axillary meristems
Description : A plant hormone used for inducing morphogenesis in plant tissue culture is (a) cytokinins (b) ethylene (c) abscisic acid (d) gibberellins.
Last Answer : (a) cytokinins
Description : A large number of identical plants can be obtained in a short span of time through (1) large number of seeds of a single plant (2) stem cuttings (3) tissue culture technique (4) hydroponics method
Last Answer : tissue culture technique
Description : Among the following, the number of elements showing only one non-zero oxidation state is: O,Cl,F,N,P,Sn,Tl,Na,Ti
Last Answer : Among the following, the number of elements showing only one non-zero oxidation state is: O,Cl,F,N,P,Sn,Tl,Na,Ti
Description : Let a function f defined from `R -> R` as `f(x)=[x+p^2 for x2` , If the function is surjective, then find the sum of all possible
Last Answer : Let a function f defined from `R -> R` as `f(x)=[x+p^2 for x2` , If the function is ... of all possible integral values of p in `[-100,100]`.
Description : What word can you make with these letters e f i p r?
Last Answer : Need answer
Description : The ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is: (A) ∞ (B) 0 (C) 1 (D) > 1
Last Answer : (C) 1
Description : Pick out the wrong statement: (A) Chemical reactions with high activation energy are very temperature sensitive (B) A flat velocity profile exists in a plug flow reactor (C) The residence ... D) Half life of a reaction increases with increased initial concentration for reaction orders more than one
Last Answer : (C) The residence time for all the elements of fluid in case of a P.F.R. need not be same
Description : In an ideal P.F.R. at steady state conditions (A) The composition of reactants remains constant along a flow path (B) The conversion of the reactant varies from point to point along a flow path (C) There is no lateral mixing of fluid (D) There may be diffusion along the flow path
Last Answer : (B) The conversion of the reactant varies from point to point along a flow path
Description : In case of a P.F.R., there (A) May be lateral mixing of fluid (B) Should not be any mixing along the flow path (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : The performance equations for constant density systems are identical for (A) P.F.R. and backmix reactor (B) P.F.R. and batch reactor (C) P.F.R, batch reactor and backmix reactor (D) Batch reactor and backmix reactor
Last Answer : (B) P.F.R. and batch reactor
Description : For an ideal gas, the chemical potential is given by (A) RT d ln P (B) R d ln P (C) R d ln f (D) None of these
Last Answer : (A) RT d ln P
Description : For a real gas, the chemical potential is given by (A) RT d ln P (B) RT d ln f (C) R d ln f (D) None of these
Last Answer : (B) RT d ln f
Description : A balanced three-phase, 50 Hz voltage is applied to a 3 phase, 4 pole, induction motor. When the motor is delivering rated output, the slip is found to be 0.05. The speed of the rotor m.m.f. relative to the rotor structure is (A) 1500 r.p.m. (B) 1425 r.p.m. (C) 25 r.p.m. (D) 75 r.p.m.
Last Answer : (D) 75 r.p.m.
Last Answer : In a R-L series circuit the power factor P.F. is Leading.
Description : A shunt generator running at 1000 r.p.m. has generated e.m.f. as 200 V. If the speed increases to 1200 r.p.m., the generated e.m.f. will be nearly?
Last Answer : 200V/E2 = 1000/1200 E2= 240 V
Description : Among P, Q, R and S, the aromatic compounds(s) is/are
Last Answer : Among P, Q, R and S, the aromatic compounds(s) is/are A. P B. Q C. R D. S
Description : Rs 117 was supposed to be divided among P, Q and R in the ratio 3:4:6. But, by mistake, it was divided in the ratio `(1)/(3):(1)/(4):(1)/(6)` How many
Last Answer : Rs 117 was supposed to be divided among P, Q and R in the ratio 3:4:6. But, by mistake, it was ... How many of P,Q and R gained due to this mistake?
Description : Ninety coins are to be distributed among P,Q and R such that P gets twice as many coins as Q gets and Q gets thrice as many coins as R gets. Find the
Last Answer : Ninety coins are to be distributed among P,Q and R such that P gets twice as many coins as Q gets and Q gets thrice ... R gets. A. 6 B. 3 C. 10 D. 9
Description : P, Q and R have to share 52 apples among themselves such that P gets thrice as many applies as Q gets and Q gets thrice as many as R gets. Find the nu
Last Answer : P, Q and R have to share 52 apples among themselves such that P gets thrice as many applies as Q ... R gets. Find the number of apples R must get.
Description : P and Q started a partnership business investing some amount in the ratio of 3:5. R joined them after six months with an amount equal to that of Q. In what proportion should the profit at the end of one year be distributed among P, Qand R? A.5 : 8 : 10 B.6 : 10 : 5 C.6 : 4 : 10 D.10 : 6 : 3
Last Answer : Answer – B (6 : 10 : 5) Explanation – Let the initial investments of P and Q be 3a amd 5a. P : Q : R = (3a x 12) : (5a x 12) : (5a x 6) = 36 : 60 : 30 = 6 : 10 : 5.
Description : An amount of money is to be distributed among P, Q and R in the ratio of 5:4:7 respectively. If the total share of P and R is 3 times the share of Q, what is definitely Q’s share? a) 2000 b) 4000 c) 6000 d) Data inadequate e) None of these
Last Answer : Answer: D
Description : Among 3 persons, P, Q, R the profit of R is equal to two-fifth of the sum of one-third profit of P and onethird of Q. If at the end of the year total profit is Rs 12750, then find the average profit of P and Q? A) 4750 B) 5625 C) 7425 D) 6520
Last Answer : Answer: B) R=2/5(1/3 P+1/3 Q) 15R=2(P+Q) R/(P+Q)= 2/15 Take R=2x, P+Q=15x Total profit =15x+2x =12750 =>X=Rs.750 Average profit of P&Q =750/2 *15=5625
Description : Among 3 Persons P,Q,R the profit Of Q is equal to one- third of the difference between the profit of R and triple of P. If at the end of the year, total profit is Rs 27000. Then find the profit of R? A) 13000 B) 17850 C) 14500 D) 20250
Last Answer : Answer: D) Q=1/3(R-3P) 3Q=R-3P R=3[P+Q] R/(P+Q) =3/1 R/(P+Q+R)=3/4 R/27000 =3/4 R=Rs.20250