Biology ยท Science General

Diversity in Living Organisms

3,323 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

Birds are often seen on the back of buffalo because they _________.

  1. love to sing while sitting on the buffalo's back

  2. rest after flying for a while

  3. feed on parasites on the buffalo's back

  4. feed on insects present in the grass

  5. none of the above reasons is correct.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The buffalo allow the birds to sit and rest on their backs as they protect them from the pests such as flies, bugs, and many other creatures.

Multiple choice

Deep sea divers are asked to wear special suits because

  1. the sea water is very cold

  2. of the safety from dangerous aquatic animals

  3. special suits maintain the pressure equal to atmospheric pressure

  4. special suits reduce the pressure from the atmospheric pressure

  5. special suits reduce the weight
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Yes, special suits maintain the pressure equal to atmospheric pressure.

Multiple choice

Male frog can be distinguished from female frog by looking at copulatory pad, which is present on _________.

  1. first digit of the forelimbs

  2. second digit of forelimbs

  3. first digit of the hindlimbs

  4. second digit of hindlimbs

  5. none of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Male frogs can be distinguished by the presence of sound producing vocal sacs and also a copulatory pad on the first digit of the forelimbs, which are absent in female frogs.

Multiple choice

Which of the following statements is false about frogs?

  1. Hind limbs end in five digits.

  2. Forelimbs end in four digits.

  3. Male frogs can be distinguished by the presence of copulatory pad on the first digit of the forelimbs.

  4. On either side of eyes a membranous tympanum receives sound signals.

  5. Frog drinks water only once a week.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The frog never drinks water but absorbs it through the skin.

Multiple choice

Which of the following phyla possess all the three germinal layers?

  1. Porifera

  2. Coelentrata

  3. Platyhelminthes

  4. Cnidaria

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Those animals in which the developing embryo has a third germinal layer, mesoderm, in between the ectoderm and endoderm, are called triploblastic animals e.g. platyhelminthes to chordates.

Multiple choice

Which of the following statements is not true about chordates?

  1. Notochord is present

  2. Central nervous system is dorsal, hollow and single

  3. Gill slits are absent

  4. Heart is ventral

  5. A postanal part (tail) is present
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Pharynx is perforated by gill slits in chordates while gill slits are absent in non-chordates.