Viruses are no more ‘alive’ than isolated chromosomes because
Viruses are no more 'alive' than isolated chromosomes because Options (a) both require the environment of a cell to replicate…
7 years ago
Diversity In Living World
Assertion – bentham and hooker’s system of classification is
Assertion - bentham and hooker's system of classification is based on more number of characters and natural affinites, reason -…
7 years ago
The most important feature of all living systems is to
The most important feature of all living systems is to Options (a) utilize oxygen to generate energy (b) replicate the…
7 years ago
The main role of bacteria in the carbon cycle involves
The main role of bacteria in the carbon cycle involves Options (a) photosynthesis (b) chemosynthesis (c) digestion or breakdown of…
7 years ago
All living organisms are linked to one another because
All living organisms are linked to one another because Options (a) they have some common geneitc material of the same…
7 years ago
Which one of the following is not true about lichens?
Which one of the following is not true about lichens? Options (a) Their body is composed of both algal and…
7 years ago
Which of the following about organism is not correct?
Which of the following about organism is not correct? Options (a) biological organisation starts with submicroscopic molecular level (b) 25…
7 years ago
Which of the following is not true for a species?
Which of the following is not true for a species? Options (a) Members of a species can interbreed (b) Gene…
7 years ago
Phenetic classification is based on
Phenetic classification is based on Options (a) sexual characteristics (b) the ancestral lineage of existing organisms (c) observable characteristics of…
7 years ago
What is true for photolithotrops?
What is true for photolithotrops? Options (a) Obtain energy from radiations and hydrogen from organic compounds (b) Obtain energy from…
7 years ago