MCQ Bank
Which of the following is the primary excretory product of cray fish?
- A) Creatinine
- B) Urea
- C) Uric Acid
- D) Ammonia
The midgut of digestive system of cray fish is often called ______.
- A) Hepatic caeca
- B) Esophagus
- C) Gut
- D) Intestine
Amoeboid cells in the blood of arachnids are specialized for ___________.
- A) Digestion
- B) Defense
- C) Excretion
- D) Coordination
Word Malacostraca literally means ________.
- A) Hard shelled
- B) Porous shelled
- C) Soft shelled
- D) Irregular shelled
Which one of the following is the feeding tagma of crayfish?
- A) Abdomen
- B) Head
- C) Thorax
- D) Tail
Malacostraca has _____ chambered stomach.
- A) 3
- B) 1
- C) 2
- D) 4
Most copepods are planktonic and use their _______for filter feeding.
- A) First maxillae
- B) Second Antennae
- C) First Antennae
- D) Second maxillae
What is the location of chemical receptors in cray fish?
- A) Base of antennae
- B) Tail
- C) Mouth and Appendages
- D) Exoskeleton
The planktonic nauplius of barnacles is followed by a planktonic larval stage, called a ______larva.
- A) Cypris
- B) Chitons
- C) Nymph
- D) Trochophore
In copepods The first antennae and the thoracic appendages are modified for _____.
- A) Running
- B) Walking
- C) Swimming
- D) Jumping
Crustaceans possess biramous appendages, each of which consists of a basal segment, called _________.
- A) Protopodite
- B) Endopodite
- C) Mesopodite
- D) Exopodite
The gut tract of arachnids is divided into _______ regions.
- A) 2
- B) 3
- C) 4
- D) 1
All crustacean appendages, except_________, have presumably evolved from an ancestral biramous form
- A) Head
- B) Second antennae
- C) First antennae
- D) Thorax
Members of the order Cladocera are called _______.
- A) Common fleas
- B) Fire fleas
- C) Water fleas
- D) Terrestrial fleas
Word Crustacea literally means ________.
- A) Irregular shelled
- B) Soft shelled
- C) Porous shelled
- D) Hard shelled
Which of following are elongated appendages of the male spiders?
- A) Cypris
- B) Proboscis
- C) Zoea
- D) Ovigers
Maxillary glands are similar in evolutionary origin with _______.
- A) Androgenic Glands
- B) Antennal Glands
- C) Adrenal glands
- D) Coxal Glands
In spiders, copulation occurs and _____ part of male is used to transfer male gametes.
- A) Hemipenis
- B) Penis
- C) Exoskeleton
- D) Pedipalps
In arachnids most mechanoreceptors and chemoreceptors are modifications of _______.
- A) Jointed appendages
- B) Skin
- C) Exoskeleton
- D) Nervous system
The only extant order of class Phyllocarida is ______.
- A) Leptostraca
- B) Aeschronectida
- C) Archaeostraca
- D) Hoplostraca