Tag: evolution and biodiversity

Questions Related to evolution and biodiversity

Approximately how many cells are present in the boy of an adult person?

biology evolution and biodiversity species, communities and ecosystems kingdom fungi monera, protista, fungi

  1. $10^{14}$

  2. $10^{15}$

  3. $10^{18}$

  4. $10^{21}$

Show answer
Correct Option: A
Explanation:

An adult human being has approximately 100 000 billion cells, all originating from a single cell, the fertilized egg cell.

So the correct answer is option A

Which of the following statement is false?

biology evolution and biodiversity life introduction to plant kingdom classification of organisms

  1. Biological names are generally written in Latin and printed in italics.

  2. Both the words in biological name when handwritten are jointly underlined.

  3. In binomial system given by Linnaeus is being practised by biologists all over the world.

  4. In binomial system, first component a genus and second word is specific epithet.

Show answer
Correct Option: B
Explanation:

Option (B) is false.

Both the words in biological name is written in italics or underlined to denote a species that is to be denoted but not jointly underlined.

Primitive man evolved in ___________

biology evolution and biodiversity life introduction to plant kingdom classification of organisms

  1. Africa

  2. America

  3. Australia

  4. India

Show answer
Correct Option: A
Explanation:

The origin of primitive man or early hominid is believed to be have happened in southwestern Africa. Several theories propose that early homo sapiens evolved in Africa, and later migrated in other parts of the world.

The correct answer is A.

In structure of an ecosystem, composition of biological communities include:

biology evolution and biodiversity life introduction to plant kingdom classification of organisms

  1. Rate of production

  2. Species population, biomass, distribution

  3. Rate of temperature change

  4. Light and temperatue

Show answer
Correct Option: B