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Practice each question, then open the answer or worked solution.
In some animal groups, the body is found divided into compartments
with a serial repetition of at least some organs. This characteristic feature
is called
a. Segmentation
b. Metamerism
c. Metagenesis
d. Metamorphosis
Option (b) is the answer.
Given below are types of cells present in some animals. Which of the
following cells can differentiate to perform different functions?
a. Choanocytes
b. Interstitial cells
c. Gastrodermal cells
d. Nematocytes
Option (b) is the answer.
Which one of the following sets of animals shares a four-chambered
heart?
a. Amphibian, Reptiles, Birds
b. Crocodiles, Birds, Mammals
c. Crocodiles, Lizards, Turtles
d. Lizards, Mammals, Birds
Option (b) is the answer.
Which of the following pairs of animals has non-glandular skin
a? Snake and Frog
b. Chameleon and Turtle
c. Frog and Pigeon
d. Crocodile and Tiger
Option (b) is the answer.
Birds and mammals share one of the following characteristics as a
common feature.
a. Pigmented skin
b. Pneumatic bones
c. Viviparity
d. Warm-blooded
Option (d) is the answer.
Which one of the following sets of animals belongs to a single taxonomic
group?
a. Cuttlefish, Jellyfish, Silverfish, Dogfish, Starfish
b. Bat, Pigeon, Butterfly
c. Monkey, Chimpanzee, Man
d. Silkworm, Tapeworm, Earthworm
Option (c) is the answer.
Which one of the following statements is incorrect?
a. Mesoglea is present in between ectoderm and endoderm in Obelia.
b. Exhibits radial symmetry Asterias
c. Fasciola is a pseudocoelomate animal
d. Taenia is a triploblastic animal
Option (c) is the answer.
Which one of the following statements is incorrect?
a. In cockroaches and prawns excretion of waste material occurs
through malpighian tubules.
b. In ctenophores, locomotion is mediated by comb plates.
c. In Fasciola, flame cells help in excretion
d. Earthworms are hermaphrodites and yet cross-fertilization takes
place among them.
Option (a) is the answer.
Which one of the following is oviparous?
a. Platypus
b. Flying fox (Bat)
c. Elephant
d. Whale
Option (a) is the answer.
Which one of the following is a non-poisonous snake?
a. Cobra
b. Viper
c. Python
d. Krait
Option (c) is the answer.