Rajesh Singh, Indu Gupta and, Sikha Sharma Solutions for Chapter: Heredity and Evolution, Exercise 2: Short Answer Type Questions

Author:Rajesh Singh, Indu Gupta & Sikha Sharma

Rajesh Singh Science Solutions for Exercise - Rajesh Singh, Indu Gupta and, Sikha Sharma Solutions for Chapter: Heredity and Evolution, Exercise 2: Short Answer Type Questions

Attempt the free practice questions on Chapter 9: Heredity and Evolution, Exercise 2: Short Answer Type Questions with hints and solutions to strengthen your understanding. NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X solutions are prepared by Experienced Embibe Experts.

Questions from Rajesh Singh, Indu Gupta and, Sikha Sharma Solutions for Chapter: Heredity and Evolution, Exercise 2: Short Answer Type Questions with Hints & Solutions

MEDIUM
10th CBSE
IMPORTANT

Why do all the gametes formed in human females have an X-chromosome?

MEDIUM
10th CBSE
IMPORTANT

In human beings, the statistical probability of getting either a male or female child is 50:50. Give a suitable explanation.

MEDIUM
10th CBSE
IMPORTANT

A very small population of a species faces a greater threat of extinction than a larger population. Provide a suitable genetic explanation.

MEDIUM
10th CBSE
IMPORTANT

What are homologous structures? Given an example. Is it necessary that homologous structures always have a common ancestor?

MEDIUM
10th CBSE
IMPORTANT

Does the occurrence of the diversity of animals on earth suggest their diverse ancestry also? Discuss this point in light of evolution.

MEDIUM
10th CBSE
IMPORTANT

Give the pair of contrasting traits of the following characters in pea plant and mention which is dominant and recessive:

(i) Yellow seeds.

(ii) Round seeds.

MEDIUM
10th CBSE
IMPORTANT

Why did Mendel choose pea plant for his experiments?

MEDIUM
10th CBSE
IMPORTANT

A woman has only daughters. Analyse the situation genetically and provide a suitable explanation.