SET-1-001 Hemichordata was earlier considered as a sub-phylum under phylum-Chordata. But now, it is placed as a separate phylum under
(A) Urochordata 
(B) Cephalochordata
(C) Protochordata
(D) Non-chordata

View Answer @ LIS Cafe

Answer: (C) Protochordata

---

SET-1-002 In which of the following sets, all examples represent hemichordates?
(A) Branchiostoma, Balanoglossus, Ascidia
(B) Balanoglossus, Saccoglossus, Amphioxus
(C) Salpa, Doliolum, Branchiostoma
(D) Balanoglossus, Saccoglossus, Acorn-worm

View Answer @ LIS Cafe

Answer: (D) Balanoglossus, Saccoglossus, Acorn-worm

---

SET-1-003 Which of the following statements is not correct about Hemichordata?
(A) Hemichordata consists of a worm-like marine animals with organ-system level of organisation.
(B) Hemichordates are bilaterally symmetrical, triploblastic and coelomate animals.
(C) In hemichordates, body is cylindrical and is composed of an anterior proboscis, a collar and a long trunk.
(D) In hemichordates, the respiration takes piace through general body surface.

View Answer @ LIS Cafe

Answer: (D) In hemichordates, the respiration takes piace through general body surface.

---

SET-1-004 In Hemichordata, circulatory system is
(A) of open type
(B) of closed type
(C) confined to anterior region only
(D) Both (B) and (c)

View Answer @ LIS Cafe

Answer: (A) of open type

---

SET-1-005 Body of Balanoglossus is divided into
(A) two palets
(B) three palets
(C) four palets
(D) five palets

View Answer @ LIS Cafe

Answer: (B) three palets

---

SET-1-006 Hemichordates are
(A) unisexual
(B) bisexual
(C) asexual
(D) reproduce parthenogenetically

View Answer @ LIS Cafe

Answer: (A) unisexual

---

SET-1-007 Balanoglossus is also called as
(A) sea squirt
(B) comb jelly 
(C) tongue worm
(D) lung worm

View Answer @ LIS Cafe

Answer: (C) tongue worm

---

SET-1-008 Sub-phylum-Urochordata and Cephalochordata are often referred to as
(A) Protochordata 
(B) Hemichordata
(C) Chordata
(D) Nonchordata

View Answer @ LIS Cafe

Answer: (A) Protochordata 

---

SET-1-009 In Urochordata, the notochord is
(A) present only in larval tail
(B) extending from head to tail region
(C) persistent throughout their life
(D) None of the above

View Answer @ LIS Cafe

Answer: (A) present only in larval tail

---

SET-1-010 Fish-like appearance is of
(A) Amphioxus 
(B) Herdmania
(C) Balanoglossus
(D) All of these

View Answer @ LIS Cafe

Answer: (A) Amphioxus 

---

SET-1-011 Which larvae goes under retrogressive metamorphosis?
(A) Bipinnaria of starfish
(B) Tadpole of frog
(C) Tornaria of Balanoglossus
(D) None of these

View Answer @ LIS Cafe

Answer: (D) None of these

---

SET-1-012 Which one emits jet of water when disturbed?
(A) Balanoglossus 
(B) Herdmania
(C) Salpa
(D) Branchiostoma

View Answer @ LIS Cafe

Answer: (B) Herdmania

---

SET-1-013 In protochordates, the epidermis is
(A) absent 
(B) multi-layered
(C) a few layered
(D) single-layered

View Answer @ LIS Cafe

Answer: (D) single-layered

---

SET-1-014 Herdmania is a  
(A) sea purse
(B) sea squirt
(C) sea potato
(D) Both (B) and (c)

View Answer @ LIS Cafe

Answer: (B) sea squirt

---

SET-1-015 Oral hood is found mainly in
(A) Amphioxus 
(B) Herdmania
(C) Saccogiossus
(D) All of these

View Answer @ LIS Cafe

Answer: (A) Amphioxus 

---

SET-1-016 Person who added hemichordates in protochordates
(A) Linnaeus
(B) Bateson
(C) Hyman
(D) None of these

View Answer @ LIS Cafe

Answer: (B) Bateson

---

SET-1-017 What is the basis of classification of Protochordata?
(A) Gut
(B) Brain
(C) Gills
(D) Notochord

View Answer @ LIS Cafe

Answer: (D) Notochord

---

SET-1-018 Larva of Balanoglossus is
(A) tornaria
(B) Muller’s larva
(C) kentrogen larva
(D) tadpole

View Answer @ LIS Cafe

Answer: (A) tornaria

---

SET-1-019 A current of water is produced in Branchiostoma by
(A) cilia 
(B) cirri
(C) wheel organ
(D) rostrum

View Answer @ LIS Cafe

Answer: (C) wheel organ

---

SET-1-020 An ascidian is
(A) Balanoglossus 
(B) Herdmania
(C) Branchiostoma
(D) None of these

View Answer @ LIS Cafe

Answer: (B) Herdmania

---

SET-1-021 Protochordates are
(A) marine 
(B) freshwater
(C) terrestrial
(D) All of these

View Answer @ LIS Cafe

Answer: (A) marine 

---

SET-1-022 Which one of the following is a protochordate?
(A) Amphioxus 
(B) Lamprey
(C) Labeo
(D) Exocoetus

View Answer @ LIS Cafe

Answer: (A) Amphioxus 

---

SET-1-023 Which group of protochordates contain Balanoglossus?
(A) Urochordata 
(B) Cephalochordata
(C) Tunicata
(D) Hemichordata

View Answer @ LIS Cafe

Answer: (D) Hemichordata

---

SET-1-024 Cephalochordata Branchiostoma possesses
(A) laterally compressed spindle-shaped body
(B) caudal fin
(C) dorsal and ventral fins
(D) All of the above

View Answer @ LIS Cafe

Answer: (D) All of the above

---

SET-1-025 Larvae of Herdmania is called
(A) bipinnaria
(B) auricularia
(C) tadpole
(D) doliolaria

View Answer @ LIS Cafe

Answer: (C) tadpole

---