MCQ Bank
Enzymes for the separation of exoskeleton from hypodermis is secreted from ____________.
- A) Salivary Glands
- B) Hypodermal Glands
- C) Epidermal glands
- D) Secretions from hepatic caeca
Arthropods are closely related to which of the following phylm?
- A) Annelids
- B) Platyhelminthes
- C) Mollusca
- D) Echinoderms
Giant water scorpions belong to ________.
- A) Remipedia
- B) Trilobite
- C) Eurypterida
- D) Xiphosura
One or two pairs of testes and one pair of ovaries are located on the anterior _____ of certain anterior segments of oligochaetes.
- A) Septum
- B) Cavity
- C) Setae
- D) Nephridia
Animals belonging to sub-phylum chelcirata has _____ tagmata?
- A) 3
- B) 1
- C) 2
- D) 4
_____________ is when a structure present in members of a species proves useful in promoting reproductive success when an individual encounters new environmental situations.
- A) Pre adaptation
- B) Post adaptation
- C) Later adaptation
- D) Acclimatization
Sensory receptors present in the exoskeleton of arthropods are called ______.
- A) Articular membrane
- B) Invaginations
- C) Sensilla
- D) Jointed appendages
Which of the following anticoagulant is produced by salivary glands of leeches?
- A) Hirudin
- B) Heparin
- C) EDTA
- D) Formalin
Which type of symmetry is found in adult of Echinoderms?
- A) Radial
- B) Asymmetrical
- C) Hexagonal
- D) Bilateral
In terms of feeding, leeches are _________ specific.
- A) Order
- B) Phylum
- C) Class
- D) Species
____________ is a radical change in body form and physiology as an immature stage, usually called a larva, becomes an adult.
- A) Metamorphosis
- B) Maturation
- C) Ecdysis
- D) Sclerotization
Which type of symmetry is found in larvae of Echinoderms?
- A) Radial
- B) Hexagonal
- C) Bilateral
- D) Asymmetrical
___________type of metamorphosis is the characteristic of beetles, butterflies and moths, flies, and wasps.
- A) Hemimetabolous
- B) Zoometabolous
- C) Ametabolous
- D) Holometabolous
The class Oligochaeta has over ______ thousand species found throughout the world in freshwater and terrestrial habitats.
- A) 4
- B) 3
- C) 6
- D) 5
Which sub phylum of arthropods were a dominant form of life in the oceans from the Cambrian period to the Carboniferous period?
- A) Remipedia
- B) Chelicerata
- C) Crustacea
- D) Trilobitomorpha
When a structure present in members of a species proves useful in promoting reproductive success, this process is called _____________.
- A) Post adaptation
- B) Microevolution
- C) Adaptive Radiations
- D) Pre adaptation
Inner layer of exoskeleton is called _________.
- A) Procuticle
- B) Exocuticle
- C) Epicuticle
- D) Precuticle
The part of digestive system of leeches involved in pumping of body fluid from prey to leeches is called ___________.
- A) Intestinal Caeca
- B) Mouth
- C) Pharynx
- D) Proboscis
The ______________life cycle consists of egg, nymph, and adult.
- A) Ametabolous
- B) Hemimetabolous
- C) Zoometabolous
- D) Holometabolous
Non-reproductive part in leeches that help in the transfer of sperms is __________.
- A) Penis
- B) Integument
- C) Pharynx
- D) Mouth