Why are cockroaches said to be omnipresent?
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“Germany unification was not completed with speeches and functions” but it is completed only with blood & Iron policy was said by
Answer is (B) Bismark
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Vasu said that Ethanol is released in fermentation. Bose said that fermentation is the process of anaerobic respiration.
(B) Both are correct
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Cockroaches prefer the following condition
D) Dark and damp
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Cockroaches are nocturnal and cursorial. Give reason.
1. Cockroaches are active at night hence, they are termed as nocturnal. 2. They are cursorial insects as they show terrestrial adaptations for running.
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Why are cockroaches considered as pests?
Cockroaches are considered pests due to following reasons: 1. Cockroaches damage household materials like clothes, shoes, paper, etc. 2. Cockroaches eat and destroy the foodstuff. They contaminate food, which gives a typical...
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Cockroaches are considered as a part of food chain. Justify.
Many amphibians, birds, lizards and rodents prey upon cockroaches and this makes them a part of food chain. They are also eaten by certain groups of people in South America,...
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Lata was surprised to see cockroaches used as specimen in her college laboratory.
Cockroach are used in laboratories as experimental animal for biological research as they can be obtained easily without causing damage to ecological balance. Cockroaches are commonly used as experimental animal in...
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Suma said that peristalsis involves the contraction of the muscle behind the food. Uma said that during peristalsis
D) Both are right
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Why are human beings who look so different from each other in terms of size, colour and looks said to belong to the same species?
The variations in size, colour and looks are a result of the different levels of expression of traits. Human beings who look so different from each other in terms of...
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Why are the wings of butterfly and birds said to be analogous organs?
Wings of butterfly and birds are not anatomically similar structures though they perform similar functions. Hence, they are called analogous structures. Analogous organs result from convergent evolution.
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