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WorksheetsVariation and Inheritance CIE Grade 8
Total questions: 18
Worksheet time: 13mins
Scientists use (a) to identify and classify an organism. It can be in a flowchart form or written as statements.
Every question in a key has (a) options for answers.
Differences between individuals within a species are referred to as .............................
inheritance
variation
genes
behaviour
Variation is caused due to ?
environment
genes
both 1 & 2
Only 2
A group of organisms that share the same features, can breed together and produce a fertile offspring are referred to as (a)
..................... are a set of instructions present in cells which determine the characteristics of the animal.
chromosomes
DNA
nucleus
genes
Which part of the cell are the genes present in?
mitochondria
vacuole
cell membrane
nucleus
Genes and chromosomes are made up of a chemical called (a)
Children inherit .............. their genes from their mother.
50%
60%
70%
40%
Selective breeding is also known as (a) breeding.
Which of these sheep are grown for their wool?
mouflon
Assaf
Merino
none of the above
Which of the given statements are true ?
Natural selection does not have human interferance
Natural selection does not have influence of the environment
Selective breeding does not involve human interference
Both Natural selection & selective breeding involves human interference .
(a) are drugs used to kill disease causing bacteria.
In the present day in England, due to decrease in industrial emissions, which moths are more in population?
pale peppered moth
dark peppered moth
both
none
In 1900, due to industrial revolution the (a) peppered moths were more prominently found in England.
WHich birds did Charles Darwin observe on his expedition to the Galapagos ?
SParrows
Macaws
Pelicans
Finches
In the given picture which is the variation Charles Darwin had observed?
size of the bird
colour of the bird
beaks of the bird
size of their heads
Which book did Charles Darwin publish?/
Principles of Geology
Natural Selelction
Artificial breeding and its advantages
The Origin of Species
