10th Class Biology 3rd Lesson Questions and Answers. We covered all the 10th Class Biology 3rd Lesson Questions and Answers in this post for free so that you can practice well for the exam.
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10th Class Biology 3rd Lesson Objective Questions and Answers for Students
Which one among the following is blind (extremely poor eyesight)?
(a) Bat
(b) Echidna
(c) Flying squirrel
(d) Slow loris
Option a – Bat
The urine of mammals contains excretory products as:
(a) Uric acid
(b) Ammonia
(c) Urea
(d) All of these
Option c – Urea
Which one among the following animals is without bone marrow?
(a) Frogs
(b) Fishes
(c) Lizards
(d) Birds
Option d – Birds
Which of the following is the smallest bird in the world?
(a) Finch
(b) Diamond Firetail
(c) Bee Hummingbird
(d) Robin
Option c – Bee Hummingbird
Which of the following sets of derivatives of integumentary structures characterizes birds as glorified reptiles?
(a) Scales and claws
(b) Syrinx and uropygial gland
(c) Claws and uropygial gland
(d) Syrinx and scales
Option a – Scales and claws
Pneumatic bones are expected to be found in:
(a) House lizard
(b) Flying fish
(c) Pigeon
(d) Tadpole of frog
Option c – Pigeon
Which of the following is/are flightless birds?
(a) Ostrich
(b) Emu
(c) Kiwi
(d) All of these
Option d – All of these
Which one of the following is incorrect for Aves?
(a) The heart is four-chambered and animals are oviparous.
(b) The presence of air cavities in bones and the presence of feathers on the body.
(c) The digestive tract has additional chambers, and animals are homeothermic.
(d) The forelimbs are not modified into wings.
Option d – The forelimbs are not modified into wings
Which of the following is a warm-blooded animal?
(a) Shark
(b) Snake
(c) Bat
(d) Lizard
Option c – Bat
We covered all the 10th class biology 3rd lesson questions and answers above in this post for free so that you can practice well for the exam.
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