One of the following is called the emergency hormone in man.
Adrenalin
Prolactin
Testosterone
Thyroxine
Correct answer is A
No explanation has been provided for this answer.
The gland that releases hormones into the blood are part of the
digestive system
endocrine system
circulatory system
respiratory system
Correct answer is B
No explanation has been provided for this answer.
The following animals are invertebrates except
flat worms
round worms
chordate
protozoan
Correct answer is C
No explanation has been provided for this answer.
The following animals are viviparous expect
Cow
Dog
Goat
Pigeon
Correct answer is D
Pigeons are oviparous animals, meaning they lay eggs to reproduce.
The following distrupts the balance in an ecosystem except
afforestation
deforestation
migration
pollution
Correct answer is A
Afforestation prevents wind related disasters and soil erosion, both of which could harm humans and their resources.