Which of the following statements is correct?
The biceps muscles originates on the head of the humerus
The biceps muscle is inserted at the ulna
The triceps muscle originates at the scapula and at head of the humerus
The ulna is pulled up when the biceps are relaxed
The radius is the point where the triceps muscle is inserted
Correct answer is C
No explanation has been provided for this answer.
Which of the following groups carry out similar functions in living things?
Vertebral column, chitin, and guard cells
Sclerenchyma, cartilage, and chitin
Tendon, chitin, and neuron
Collenchyma, Intercellular spaces, and blood vessels
Blood vessels, lymph, and shell
Correct answer is B
No explanation has been provided for this answer.
Carbondioxide enters the stomata during photosynthesis through the process known as
osmosis
active transport
diffusion
inhalation
ventilation
Correct answer is C
No explanation has been provided for this answer.
One of the differences between plant and animal cells is that in plants
cells have less distinct outline, but animal cells have distinct outline
The cell wall is made of cellulose, but animal cell wall is made of chitin
large vacuoles are absent, but present in animals
plastids are absent, but present in animals
carbohydrates are stored as starch, but as glycogen in animals
Correct answer is E
No explanation has been provided for this answer.
Which of the following organisms is one-celled and free-living?
Volvox
Spirogyra
Rhizopus
Chlamydomonas
Hydra
Correct answer is D
No explanation has been provided for this answer.