Home
Class 12
BIOLOGY
Name the scientist(s) who rediscovered t...

Name the scientist(s) who rediscovered the Menelian work ?
(i) Hugo de Vries (ii) Carl Correns (iii) Tschermak (iv) T.H. Morgan

A

a) i and iv

B

b) i, ii and iv

C

c) i,ii and iii

D

d) ii, iii and iv

Text Solution

Verified by Experts

The correct Answer is:
C
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CHROMOSOMAL BASIS OF INHERITANCE

    FULL MARKS|Exercise Additional Questions (2- Mark Questios)|33 Videos

  • CHROMOSOMAL BASIS OF INHERITANCE

    FULL MARKS|Exercise Additional Questions (3- Mark Questios)|20 Videos

  • CHROMOSOMAL BASIS OF INHERITANCE

    FULL MARKS|Exercise Higher Order Thinking Skills (HOTs) Questions|3 Videos

  • BIODIVERSITY AND ITS CONSERVATION

    FULL MARKS|Exercise Higher Order Thinking Skills (HOT) Questions|5 Videos

  • CLASSICAL GENETICS

    FULL MARKS|Exercise Higher Order Thinking Skills (HOTs) Questions|5 Videos

Similar Questions

Explore conceptually related problems

Name the catalyst used in the following : (i) Habers process in the manufacture of ammonia. (ii) Oxidation of ammonia. (iii) Hydrogenation of alkenes . (iv) Decomposition of H_(2)O_(2) (v) Formation of acetophenone from benzene and ethanoyl chloride . Also give equations for the reaction.

The wavelength of light in the visible region is about 390 nm for violet colour, about 550 nm (average wavelength) for yellowgreen colour and about 760 nm for red colour. (a) What are the energies of photons in (eV) at the (i) violet end, (ii) average wavelength, yellow-green colour, and (iii) red end of the visible spectrum? ("Take h "= 6.63xx10^(-34)" J s and 1 eV" = 1.6xx10^(-19)J.) (b) From which of the photosensitive materials with work functions listed in Table 11.1 and using the results of (i), (ii) and (iii) of (a), can you build a photoelectric device that operates with visible light?

Knowledge Check

  • Match the column I with column II : {:("Colum I ","Column II"),("(1) T.H. Morgan ","(i) Sex determination in plants"),("(2) C.E. Allen","(ii) Rediscovery of Mendel's work"),("(3) Hugo de varies","(iii) Sex linkage in Drosophila"),("(4) Tschermak ","(iv) Mutation theory"):}

    A
    a) 1 - iii, 2 - i, 3 - iv , 4 - ii
    B
    b) 1 - ii, 2 - i, 3 - iv , 4 - iii
    C
    c) 1 - iv, 2 - iii, 3 - ii , 4 - i
    D
    d) 1 - ii, 2 - iii, 3 - i , 4 - iv

  • Which of the folloiwng solids is not an electrical conductor ? (i) Mg (s) (ii) TiO (s) (iii) I_(2)(S) (iv) H_(2)O (ice)

    A
    (i) only
    B
    (ii) only
    C
    (iii)and (iv)
    D
    (ii), (iii) and (iv)

  • Consider the following statements and identify theincorrect statement(s). (i) Decomposition of H_(2)O_(2) is an II order reaction (ii) t_(1//u) is independent of initial concentration of a reaction. (iii) Fractional order reactions are observed depending on their rates. (iv) Rate = k[A]^(p)[B]^(q), p + q= order.

    A
    only (ii)
    B
    both (ii) and (iii)
    C
    only (i)
    D
    None of these

    • Similar Questions

    Explore conceptually related problems

    Identify the correct statement(s) with respect to the following reaction : Zn+2HCI to ZnCI_2 +H_2 (i) Zinc is acting as an oxidant (ii) Chlorine is acting as a reductant (iii) Hydrogen is not acting as an oxidant (iv) Zn is acting as a reductant

    An organic compound, C_(2)H_(4)O gives a red precipitate when warmed with Fehling’s solution. It also undergoes aldol condensation in presence of alkali. (i) Write IUPAC name of the compound. (ii) What is the hybridization of carbon atoms in the compound ? (iii) Write equation for the reaction.

    Scientists use the kelvin Scale (K)as an alternative temperature scale to degrees celsius (""^(@)C) by the relation T^(@)C = (T + 273) K. Convert the following to kelvin : (i) -275^(@)C (ii) 45^(@) C (iii) =400^(@)C (iv) -273^(@)C

    How many grams are there in the following? (i) 2 moles of hydrogen molecule, H_2 (ii) 3 moles of chlorine molecule, Cl_2 (iii) 5 moles of sulphur molecule, S_8 (iv) 4 moles of phosphorous molecule, P_4

    In the complex [Pt(NO)_(2)(H_(2)O)(NH_(3))_(2)]Br , identify the followin (i) Central metal atom/ion (ii) Ligand(s) and their types (iii) Coordinates entity (iv) Oxidation number of the central metal ion (v) Coordination number

    Home
    Profile