Lata was surprised to see cockroaches used as specimen in her college laboratory.

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(B) Pear fruit

D) Dark and damp

C) Branched structures protruded from cyton

Cockroaches are said to be omnipresent as they are present everywhere, all over the world. They are usually seen in damp and moist places, crevices.

1. Cockroaches are active at night hence, they are termed as nocturnal. 2. They are cursorial insects as they show terrestrial adaptations for running.

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...

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,...

Let the present age of Shikha be ‘a’ years.  Given, product of Shikha’s age five years ago and her age 8 years later is 30  ⇒ (a – 5)(a + 8) =...

Principle of conservation of angular momentum.