Tag: signs of life

Questions Related to signs of life

Organisms using protonephridia for excretion are...

zoology living and non living characteristics of life attributes of living organisms signs of life biology : an introduction living world and classification

  1. flatworms rotifers ,earthworm

  2. amphioxus,cockroach, prawn

  3. planaria ,cephalochordates ,rotifers

  4. rotifers cephalordates ,Annelids

Show answer
Correct Option: A
Explanation:

A flame cell is a specialized excretory cell found in the simplest freshwater invertebrates, including flatworms(except the turbellarian order Acoela), rotifers and nemerteans; these are the simplest animals to have a dedicated excretory system. Bundles of flame cells are called protonephridia. So the correct option is 'Flatworm rotifers, earthworm’.

Professor Birbal Sahani discovered 100 million years old fossil plant from fossil forest at Rajmahal Hills, Bihar. This plant was

zoology living and non living characteristics of life attributes of living organisms signs of life biology : an introduction living world and classification

  1. Rhynia

  2. Horneophyton

  3. Williamsonia

  4. Red alga

Show answer
Correct Option: C
Explanation:

In 1932 Palaeontologica Indica, Birbal Sahni added an account of the Bennettitalean plant that he named Williamsonia sewardi.

So, the correct answer is 'Williamsonia'.

Cellular organization has ______ stages

zoology living and non living characteristics of life attributes of living organisms signs of life biology : an introduction living world and classification

  1. $3$

  2. $5$

  3. $2$

  4. $4$

Show answer
Correct Option: B
Explanation:

The components of the cell and the arrangement of the individual parts within the cell form the cellular organisation. There are five stages which include cell, tissue, organs, organ systems and organisms. The cellular organisation provides the complete about the working model of the cell and its components.

So, the correct option is '5'.

A living organism can be unexceptionally differentained from a non-living thing on the basis of its ability for....

zoology living and non living characteristics of life attributes of living organisms signs of life biology : an introduction living world and classification

  1. Reproduction

  2. Growth and movement

  3. Responsiveness to touch

  4. Interaction with environment and progressive evolution

Show answer
Correct Option: C
Explanation:
Reproduction can or cannot be criteria because the childless couple is there who are living. evolution need not always be progressive. Growth is also shown in a deposition if materials and movement are exhibited by nonliving things.
So, the correct option is 'Responsiveness to touch'.