Running birds lost their ability of flight due to:
- (A) Weak feathers
- (B) Their life style
- (C) Having weight
- (D) Living on land
- (B) Their life style
“Rhizopus” is also known as:
- (A) Mushroom
- (B) Yeast
- (C) Black bread mold
- (D) Spirogyra
- (C) Black bread mold
Which of the following group of invertebrates do not have any head?
- (A) Insects
- (B) Worms
- (C) Echinoderms
- (D) Sponges
- (C) Echinoderms
Amphibians respire through:
- (A) Skin and lungs
- (B) Lungs and nose
- (C) Nose and liver
- (D) Skin and nose
- (A) Skin and lungs
“Starfish” and “Jelly fish” are the examples of:
- (A) Amphibian
- (B) Echinoderms
- (C) Worm
- (D) Marine mammal
- (B) Echinoderms
Which of the following is the biggest group of invertebrates?
- (A) Insects
- (B) Worms
- (C) Amphibian
- (D) Plants
- (A) Insects
Insects have _______ jointed legs.
- (A) 2
- (B) 4
- (C) 6
- (D) 8
- (C) 6
Frogs, toads and salamanders are the examples of:
- (A) Reptiles
- (B) Amphibian
- (C) Mammal
- (D) Echinoderm
- (B) Amphibian
A reptile with a four-chambered heart is:
- (A) Frog
- (B) Crocodile
- (C) Turtle
- (D) Lizard
- (B) Crocodile
Except crocodilians, all reptiles have a _______ heart.
- (A) Two-chambered
- (B) Three-chambered
- (C) Four-chambered
- (D) Five-chambered
- (B) Three-chambered