Animal Anatomy and Physiology
Structure, morphology, and physiological systems of animals including earthworms, cockroaches, frogs, and invertebrates
Questions
The first body segment of an earthworm is known as __________.
- prostomium
- peristomium
- clitellum
- seta
- none of the above
Which of the following statements is incorrect?
- Tight junctions help to stop substances from leaking across a tissue.
- Adhering junctions perform cementing to keep neighbouring cells together.
- Gap junctions facilitate the cells to communicate with each other by connecting the cytoplasm of adjoining cells.
- Adhering junctions facilitate rapid transfer of ions, small molecules and sometimes big molecules between adjoining cells.
- Blood is a connective tissue.
Which of the following earthworms is commonly seen in India?
- Eisenia
- Lampito
- Eudrilus
- Lumbricus
- None of these
In an earthworm, female genital pore is present on which of the following segments?
- 14th
- 18th
- 16th
- Anywhere between 5th to 9th
- 1st
The characteristic feature of the intestine of an earthworm between 26-35 segments is the presence of which of the following structures?
- Stomach
- Calciferous glands
- Typhlosole
- Respiratory aperture
- Septal nephridia
Which of the following statements about the morphology of earthworm is correct?
- A single female genital pore is present.
- A pair of male genital pores are present.
- A pair of female genital pores are present.
- Both 1 and 2
- Both 2 and 3
Malpighian tubules in cockroach are present at which of the following positions?
- 7th abdominal segment
- Junction of foregut and midgut
- Junction of midgut and hindgut
- 4th - 6th abdominal segments
- 2nd to 6th abdominal segments
Integumentary nephridia in an earthworm is attached to the lining of the body wall of which of the following segments?
- 6th
- 15th
- 3rd
- 4th
- 5th
Which of the following species is ureotelic?
- Tapeworm
- Cockroach
- Frog
- Lizard
- Star fish
Male frog can be distinguished from female frog by looking at copulatory pad, which is present on _________.
- first digit of the forelimbs
- second digit of forelimbs
- first digit of the hindlimbs
- second digit of hindlimbs
- none of the above
Which of the following statements is false about frogs?
- Hind limbs end in five digits.
- Forelimbs end in four digits.
- Male frogs can be distinguished by the presence of copulatory pad on the first digit of the forelimbs.
- On either side of eyes a membranous tympanum receives sound signals.
- Frog drinks water only once a week.
Which of the following types of metamorphosis is seen in Periplaneta americana?
- Ametabolous
- Pseudometabolous
- Holometabolous
- Hypermetamorphosis
- Paurometabolous
Bioluminescence is the property of which of the following living organisms?
- Ctenophores
- Sponges
- Cnidarians
- Molluscs
- Aschelminthes
Which of the following insects is a living fossil?
- Apis
- Bombyx
- Laccifer
- Locusta
- Limulus
Which type of digestion is seen in sponges?
- Intercellular
- Intracellular
- Extracellular
- Lumenal
- None of these
Which of the following animals is worm-like in appearance?
- Saccoglossus
- Ascidia
- Amphioxus
- Myxine
- None of these