Which organ removes the largest amount of excess water from the body?
Liver
Lung
Kidney
skin
Correct answer is C
Lungs: Remove carbon dioxide.
Skin: Sweat glands remove water, salts, and other wastes.
Large intestine: Removes solid waste and some water in the form of faeces.
Kidneys: Remove urea, salts, and excess water from the blood.
Which of the following serves as the brain box in humans?
skeleton
skull
head
spinal column
Correct answer is B
No explanation has been provided for this answer.
biomes
biosphere
community
ecology
Correct answer is C
Option A is wrong because a biome is a regional or global land area that is characterized by the plants, animals, and climate in that area.
Option B is wrong because the biosphere is the part of the earth that supports life.
Option C is correct because a community consists of different organisms living together in a habitat.
Option D is wrong because ecology is the study of the relationship between organisms and their environment.
A tissue is composed of a group of
similar cells
tissues
systems
related organs
Correct answer is A
No explanation has been provided for this answer.
Which of the following will not allow osmosis to take place?
pig's bladder
cellophane
parchment paper
transparent polythene
cow's bladder
Correct answer is D
No explanation has been provided for this answer.