Download App

Heredity and Evolution — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceHeredity and Evolution1 Mark
MCQ
Scientists believe that all life originated in :
  • ✓
    The sea.
  • B
    The soil.
  • C
    The ground.
  • D
    The air.
✓

Answer

Correct option: A.
The sea.
Scientists believe that all life originated in sea water.

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

Explore more

More "M.C.Q" from Heredity and Evolution→Heredity and Evolution — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

Which of the following elements will form an acidic oxide?
→
Mineral acids are stronger acids than carboxylic acids because :
  1. Mineral acids are completely ionised.
  2. Carboxylic acids are completely ionised.
  3. Mineral acids are partially ionised.
  4. Carboxylic acids are partially ionised.
→
In order to obtain a magnification of, −1.5 with a concave mirror of focal length 16cm, the object will have to be placed at a distance.
→
The correct decreasing order of the metals in the activity series is :
→
Which of the following sets of elements do not belong to the same group?
→
One of the following molecular formulae represents a ketone. This formula is:
→
The plant hormone which triggers the fall of mature leaves and fruits from the plant body is:
→
The $p.d.$ across a $ 3\Omega $ resistor is $6V$. The current flowing in the resistor will be :
→
The following reaction is used for the preparation of oxygen gas in the laboratory$2\text{KCIO}_3\text{(s})\xrightarrow[\text{Catalyst}]{\text{Heat}}2\text{KCI(s)}+3\text{O}_2(\text{g})$
Which of the following statement(s) is (are) correct about the reaction?
→
Two different atoms or groups of atoms are exchanged in :
→