MCQS of Biology 1st Year Chapter 14

Lymph most closely resemble with

Blood

Plasma

Interstitial fluid

Urine

The pressure flow theory is the most acceptable theory for the transport in the phloem of

Angiosperms

Gymnosperm

Bryophytes

Pteridophyte

Most of the uptake of water and minerals from soil takes place through

Roots

Root cap

Root hair

Epidermal layers

Cardiac muscles can be distinguished from other muscle fibers because cardiac muscles

Have intercalated disc

Lacks regular arrangement of sarcomeres

Contain only actin

Voluntary in action

The closing and opening of stomata is directly controlled by

Light

Wind

Water

Temperature

The loss of liquid water through hydathodes in plants is called

Guttation

Transpiration

Imbibition

Bleeding

Which of the following is not true of the guard cells

They are kidney shape

They are present in the epidermis of leaf

They contain chloroplasts

They are connected by plasmodesmata with other epidermal cells