Question

How many organisms in the list given below are autotrophs?
Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosomes, Porphyra, Wolffia

A. Four
B. Five
C. Six  
D. Three
Answer :   Six
Solution :
Autotrophs are those organisms that are able to make energy-containing organic molecules from inorganic raw material by using basic sunlight. Nostoc, Chara, Porphyra and Wolffia are photoautotrophs while Nitrosomonas and Nitrobacter are chemoautotrophs.

Releted MCQ Question on
Botany >> Biological Classification

Releted Question 1

Pick up the wrong statement

A. Protista have photosynthetic and heterotrophic modes of nutrition
B. Some fungi are edible
C. Nuclear membrane is present in Monera
D. Cell wall is absent in Animalia
Releted Question 2

Five kingdom system of classification suggested by R.H. Whittaker is not based on:

A. Presence or absence of a well defined nucleus
B. Mode of reproduction
C. Mode of nutrition
D. Complexity of body organisation
Releted Question 3

In the five-kingdom system of classification, which single kingdom out of the following can include blue green algae, nitrogen-fixing bacteria and methanogenic archaebacteria?

A. Fungi
B. Plantae
C. Protista
D. Monera
Releted Question 4

In five kingdom system, the main basis of classification is

A. structure of nucleus
B. mode of nutrition
C. structure of cell wall
D. asexual reproduction

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Biological Classification


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