Zigya Logo

Chapter Chosen

Organisms and Populations

Book Chosen

Biology

Subject Chosen

Biology

Book Store

Download books and chapters from book store.
Currently only available for.
CBSE Gujarat Board Haryana Board

Previous Year Papers

Download the PDF Question Papers Free for off line practice and view the Solutions online.
Currently only available for.
Class 10 Class 12

Praying mentis is a good example of

  • Mullerian mimicry

  • Warning colouration

  • Social insects

  • Camouflage


C.

Social insects

Praying mantis (Mantis religiosa) is a large social insect. It has small triangular head, a long prothorax and abdomen consisting of 10 segments. The wings are well developed and the pincer-like forelegs are modified for grasping prey. It usually inhabits plantation areas. It destroys certain harmful insects so it is useful.

Praying mantis (Mantis religiosa) is a large social insect. It has small triangular head, a long prothorax and abdomen consisting of 10 segments. The wings are well developed and the pincer-like forelegs are modified for grasping prey. It usually inhabits plantation areas. It destroys certain harmful insects so it is useful.

966 Views . 5 Shares

To live in groups is beneficial because :
  • feeling of security
  • can obtain food easily
  • Partner is available for mating
  • All the above

D.

All the above
878 Views . 7 Shares

Population density is denoted by the symbol
  • N
  • D
  • M
  • D

A.

N
738 Views . 10 Shares

The departure of a individual from a population is called :
  • Natality 
  • Mortality
  • Immigration 
  • Emigration

D.

Emigration
574 Views . 10 Shares

Ants give information to their companions :
  • by dancing
  • by secretion of pheromones
  • by making sound
  • by defecating

B.

by secretion of pheromones
697 Views . 5 Shares

The number of births during a given period in the
population that are added to the initial density is 

 :
  • Natality
  • Mortality
  • Migration
  • Immigration

A.

Natality
587 Views . 5 Shares

1.png
curious learner
Do a good deed today
Refer a friend to Zigya