Home
Class 12
BIOLOGY
Study statement a-d (about organic farmi...

Study statement a-d (about organic farming) and find out the correct ones.
(a) Utilises genetically modified crops like Bt cotton
(b) Uses only naturally produced input like compost
(c) Does not use pesticide and urea
(d) Produces vegetables rich in vitamins and minerals

A

(i) and (ii)

B

(iii) and (iv)

C

(ii) and (iii)

D

(ii),(iii) and (iv)

Text Solution

Verified by Experts

The correct Answer is:
D
In organic farming, farmers use manures, biofertilisers, biopesticides and biocontrol agents to increase the crop production instead of using artifical fertilisers and pesticideds. It does not utilise genetic engineering.
Promotional Banner

Similar Questions

Explore conceptually related problems

Study the four statements (A-D) given below and select the two correct ones out of them:(A) Definition or biological species was given by Ernst Mayr. (B) Photoperiod does not affect reproduction in plants (C) Binomial nomenclature system was given byR.H.Whittaker (D) In unicellular organisms, reproduction is synonymous with growth The two correct statements are

Consider the following statements about biomedical technologies: a) During open heart surgery blood is circulated in the heart - lung machine. b) Blockage in coronary arteries is removed by angiography c) Computerised Axial Tomography (CAT) shows detailed internal structure as seen in a section of body d) X - ray provides clear and detailed images of organs like prostate glands and lungs Which two of the above statements are correct

Each question has four choice: a, b, c and d, out of which only one is correct. Each question contains Statement 1 and Statement 2. Find the correct answer. Both the Statements are true but Statement 2 is the correct explanation of Statement 1. Both the Statement are True but Statement 2 is not the correct explanation of Statement 1. Statement 1 is True and Statement 2 is False. Statement 1 is False and Statement 2 is True Statement 1: The lines (a+b)x+(a-2b)y=a are con-current at the point (2/3,1/3)dot Statement 2: The lines x+y-1=0 and x-2y=0 intersect at the point (2/3,1/3)dot

Each question has four choices a, b, c and d, out of which only one is correct. Each question contains Statement 1 and Statement 2. Find the correct answer. Statement 1 : Slopes of tangents drawn from (4, 10) to theparabola y^2=9x are and 1/4 and 9/4 . Statement 2 : Two tangents can be drawn to a parabola from any point lying outside the parabola.

Each question has four choices a, b, c, and d, out of which only one is correct. Each question contains STATEMENT 1 and STATEMENT 2. a. Both the statements are TRUE and statement 2 is the correct explanation for Statement 1. b. Both the statements are TRUE but Statement 2 is NOT the correct explanation for Statement 1. c. Statement 1 is TRUE and Statement 2 is FALSE. d. Statement 1 is FALSE and Statement 2 is TRUE. A vector has components p and 1 with respect to a rectangular Cartesian system. The axes are rotted through an angel alpha about the origin the anticlockwise sense. Statement 1: IF the vector has component p+2 and 1 with respect to the new system, then p=-1. Statement 2: Magnitude of the origin vector and the new vector remains the same.

Read the following statements and select the correct ones. (i) Electrophoresis is a technique used for the separation of molecules based on their size and charge. (ii) Plasmids are extra-chromosomal, self-replicating, usually circular, double stranded DNA molecules found naturally in many bacteria and also in some yeast,. (iii) It is not advisable to use an exonuclease enzyme while producing a recombinant DNA molecule. (iv) In EcoRl, the roman numberal I indicates that it was the first enzyme isolated from E.coli A) (i) and (ii) B) (iii) and (iv) C) (i),(ii) and (iv) D) (i),(ii),(iii) and (iv)

Each question has four choices, a,b,c and d,out of which only one is correct. Each question contains STATEMENT 1 and STATEMENT 2. if both the statements are true and statement 2 is the correct explanation of statement 1. If both the statements are true but statement 2 is not the correct explanation of statement 1. If statement is True and statement2 is false. If statement1 is false and statement2 is true. Statement 1 : Ifg(x)=f(x)-1,f(x)+f(1-x)=2AAx in R ,t h e n(g(x) is symmetrical about the point 1/2,0)dot Statement 2 : If g(a-x)=-g(a+x)AAx in R , then g(x) is symmetrical about the point (a ,0)