Growing radicles of seedlings are
negatively phototropic
positively phototropic
negatively geotropic
negatively hydrotropic
positively phototactic
Correct answer is A
No explanation has been provided for this answer.
The pituitary gland is regarded as the master gland because
it is located in the brain
its secretions are the most numerous
its secretions control other endocrine glands
it is the biggest endocrine gland
it controls the activities of the brain
Correct answer is C
No explanation has been provided for this answer.
Infective hepatitis is a disease of the
heart
kidney
liver
stomach
pancreas
Correct answer is C
No explanation has been provided for this answer.
The following are the activities of the liver except
heat production
bile manufacture
detoxifying alcohol and drugs
maintaining osmotic balance
deaminating excess nitrogenous substances
Correct answer is D
No explanation has been provided for this answer.
3.2 x10-2J
1.6x102J
8.0x10-4J
4.0x10-4J
2.0x10-4J
Correct answer is B
E = 1/2cv2 = 1/2 x 10 x 10-6 x 402 = 1.6 x 10-2J