Amphibians Notes Questions with Answers PDF Download - 7

The heart of an amphibian has three chambers which are

1. 2 ventricles and 1 auricle
2. 2 auricles and 1 ventricle
3. 3 ventricles and no auricle
4. 3 auricles and no ventricle

In humans' ciliated epithelium, mucous membrane filter foreign particles to enter in

1. oral cavity
2. nasal cavity
3. buccal cavity
4. digestive tract

Death or mental retardation takes place if accumulation happens in

1. somatic cells
2. brain cells
3. meristematic cells
4. sensory cells

There is a thick layer of insulating fat in whales and seals which protects them from colder water, this layer is known as

1. brown fat
2. cuticle
3. blubber
4. integument

When an impulse reaches a synaptic knob, synaptic vesicles fuse with the

1. pre-synaptic membrane
2. post-synaptic membrane
3. synaptic cleft
4. neurotransmitters