MCQ
Lamarckian theory deals with
  • Acquired characters
  • B
    Germplasm
  • C
    Struggle for existence
  • D
    Mutation

Answer

Correct option: A.
Acquired characters
a
It's Obvious

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

In Drosophila, long wing and broad abdomen characters are dominant over to characters vestigeal wing and narrow abdomen. A pure breeding Drosophila having long wings and broad abdomen is crossed with a pure breeding vestigeal-winged and narrow-abdomened Drosophila. Two of the $F_1$ individuals were crossed and the following results were produced in the $F_2$ generation Long wing, broad abdomen in $482$ Drosophila. Vestigeal wing, narrow abdomen in $154$ Drosophila. Which one of the following is illustrated by these results
Identify the wrong statements about human excretory system and choose the option accordingly

$I.$ Kidneys are reddish brown and bean-shaped structure

$II.$ Kidneys are situated between the last thoracic and third lumber vertebra

$III.$ Each kidney of an adult human measures $10-12\, cm$ in length, $5-7\, cm$ in width, $2-3 \,cm$ thickness, and average weight $120-170$ $gram$

Removal of shoot tips is a very useful technique to boost the production of tea - leaves. This is because
Thyroxine is secreted by
A definite number of body segments is found in
In pea hybrids between red flowered and white flowered strains were crossed back to pure red flowered strain. The progeny of this cross will have
Neural stimulation in visceral organ in human being is done by
Clotting of blood involves
Based on their location in humans body or animals types of muscles are

$I.$ skeletal $II.$ visceral

$III.$ cardiac $IV.$ non-visceral

The correct option is

Blood leaving liver and moving to the heart has usually high concentration of