Biology · Science General

Diversity in Living Organisms

3,829 Questions

The diversity in living organisms deals with the classification of life forms into various kingdoms and phyla. This topic covers specific traits of bacteria, animal body cavities, and structural adaptations for survival. These fundamentals are crucial for biology sections in medical entrance and state board exams.

Animal phyla characteristicsBacteria and flagellaBiological adaptationsKingdom Animalia classificationBody cavity typesExtinct organism subphylaJawless animals identification

Diversity in Living Organisms Questions

Multiple choice

Which of the following sentences about chlamydomonas is untrue?

  1. Chlamydomonas is generally found in habitats rich in ammonium salt.

  2. Sexual reproduction is absent in chlamydomonas.

  3. Chlamydomonas possesses red eye spots for photosensitivity.

  4. Cell wall is made up of glycoprotein and non-cellulosic polysaccharides.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It is untrue. Chlamydomonas reproduces both by sexual and asexual reproduction.

Multiple choice

Which of the following makes the body of a bird, best suited for flying?

  1. Two pairs of wings attached to the breast

  2. Muscles that help shorten and extend the body

  3. Under surface lubricated with mucus

  4. Long backbone and interconnected muscles

  5. Light and hollow bones
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

It is correct. A bird has a body best suited for flying. Birds can fly easily with the help of their bony forelimbs. Birds have light and hollow bones and strong shoulder bones.

Multiple choice

Which of the following is the smallest microscopic species of arthropods?

  1. Japanese spider crab

  2. Stygotantulus

  3. Tick

  4. Oribatid turtle-mite
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Stygotantulus stocki is a species of crustaceans living as an ectoparasite on harpacticoid copepods of the families Tisbidae and Canuellidae. It is the smallest arthropod in the world, with a length less than 0.1 millimetres (0.004 in). Thus, it can be seen only under a microscope.

Multiple choice

Which statement is not true about lichen symbiosis?

  1. Fungus provides shelter.

  2. Fungus provides water and minerals.

  3. Fungus and algae do not live together.

  4. Algae provide food.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In the symbiotic relation of algae and fungi, both stay together, fungus providing shelter, water and minerals to the algae and in return, algae provide the prepared food to the fungi. So, the statement given in option (3) is incorrect.