MCQ Bank
Those Trilobite that have appendages consisted of two lobes or rami are called _______.
- A) Bilobed
- B) Bisect
- C) Biramous
- D) Bifurcate
Chloragogen tissue in oligochaeta acts similarly to the vertebrate ____________.
- A) Heart
- B) Kidney
- C) Bones
- D) Liver
Horseshoe crabs belong to ________.
- A) Remipedia
- B) Trilobite
- C) Xiphosura
- D) Eurypterida
In oligochaetes circulatory system the branches from the ventral vessel supply the ___________and body wall.
- A) Kidney
- B) Intestine
- C) Colon
- D) Stomach
Spiders belong to which sub phylum of arthropoda?
- A) Chelicerata
- B) Remipedia
- C) Crustacea
- D) Trilobitomorpha
Change in body form and physiology as an immature stage, usually called a larva, becomes an adult is called __________.
- A) Metamorphosis
- B) Polymorphism
- C) Tagmatization
- D) Metamerism
Spiders, scorpions, ticks and mites belong to which class of authropods?
- A) Arachnida
- B) Pycnogonida
- C) Remipedia
- D) Branchiopoda
__________ are pairs of ciliated sensory pits or slits in the head region of polychaetes.
- A) Nuchal organs
- B) Salivary glands
- C) Nasal organs
- D) Nerve cords
In arthropods the epidermal layer is sometimes called the hypodermis because ___________.
- A) Ventral nervous system
- B) Presence of exoskeleton
- C) Jointed appendages
- D) Semipermeable
Leeches ingestion in not comprised by?
- A) Digestion
- B) Secretion of Saliva
- C) Excretion of plasma
- D) Stereotyped Muscular movements
Regional specialization of body of arthropods is called ____________.
- A) Metamerization
- B) Tagmatization
- C) Segmentation
- D) Tissue organization
Which of the following statement about leeches is false?
- A) Leeches may be parasites
- B) Leeches are species specific
- C) Leeches are Predators
- D) Leeches are fluid feeders
According to traditional interpretations oligochaetes are believed to have given rise to the __________.
- A) Hirudinea
- B) Arachnida
- C) Insecta
- D) Polychaeta
Leeches excrete the _________- from their ingested blood meals.
- A) plasma
- B) ammonia
- C) serum
- D) urea
Leeches system is similar to that of ______.
- A) Echinodermata
- B) Porifera
- C) Annelids
- D) Cnidaria
Which of the following is not the characteristic of authropods?
- A) jointed exoskeleton
- B) metamerism
- C) tagmatization
- D) dorsal nervous system
Which of the following is the sensory, feeding and locomotor tagma of subphylum chelicerata?
- A) Pincer
- B) Prosoma
- C) Clitellum
- D) Claw
Which of the following is not involved in ecdysis?
- A) Softening the new exoskeleton
- B) The old exoskeleton splits
- C) New procuticle and epicuticle are secreted
- D) Separation of hypodermis and exoskeleton.
To cope with terrestrialism arachnids pre-adapted ___________.
- A) Segmentation
- B) Endoskeleton
- C) Exoskeleton
- D) Hydroskeleton
In arthropods, body regionsspecialized for feeding and sensory perception, locomotion, and visceral functions are collectively called ________.
- A) Cyclostomata
- B) Tagmata
- C) Antennae
- D) Larvae