EXERCISES

Author:Jharkhand Board

Jharkhand Board Science Solutions for EXERCISES

Simple step-by-step solutions to EXERCISES questions of Heredity and Evolution from Science: Class 10. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from EXERCISES with Hints & Solutions

EASY
10th Jharkhand Board
IMPORTANT

A study found that children with light-colored eyes are likely to have parents with light-colored eyes. On this basis, can we say anything about whether the light eye color trait is dominant or recessive? Why or why not?

EASY
10th Jharkhand Board
IMPORTANT

How are the areas of study – evolution, and classification – interlinked?

MEDIUM
10th Jharkhand Board
IMPORTANT

Explain the terms analogous and homologous organs with examples.

MEDIUM
10th Jharkhand Board
IMPORTANT

Explain the importance of fossils in deciding evolutionary relationships.

HARD
10th Jharkhand Board
IMPORTANT

What evidence do we have for the origin of life from inanimate matter?

MEDIUM
10th Jharkhand Board
IMPORTANT

Explain how sexual reproduction gives rise to more viable variations than asexual reproduction. How does this affect the evolution of those organisms that reproduce sexually?

MEDIUM
10th Jharkhand Board
IMPORTANT

How is the equal genetic contribution of male and female parents ensured in the progeny?

HARD
10th Jharkhand Board
IMPORTANT

Only variations that confer an advantage to an individual organism will survive in a population. Do you agree with this statement? Why or why not?