Biology Mcqs

In plants, water potential is determined by major factors?

A. Three
B. Four
C. Two
D. Five

Cytoplasmic strands that extend through pores in adjacent cell walls are known as___________?

A. Pseudopods
B. Symplasts
C. Plasmodesmata
D. Pili

In the root cells _______ pathway becomes discontinuous in the endodermis due to the presence of casparian strip.

A. Tonoplast
B. Apoplast
C. Symplast
D. Vacuolar.

In plants, the neighbouring cells are connected with one another by__________?

A. Plasmodesmata
B. Cell walls
C. Vacuoles
D. Both ‘A’ & ‘B’

Active transport is dependent on____________?

A. Photosynthesis
B. Respiration
C. Photophosporylation
D. None of these

The diffusion of ions along with water also takes place by mass flow system along the ________ path?

A. Tonoplast
B. Apoplast
C. Symplast
D. Vacuolar

The membrane of vacuoles is known as__________?

A. Vacuoloplast
B. Tonoplast
C. Tanoplast
D. All of these

The uptake of water in plants involves__________?

A. Active transport
B. Passive transport
C. Both of these
D. None of these

The site/s where most of the uptake of water and minerals take place is/are__________?

A. Root hairs
B. Root cells
C. Underground stem
D. All of these

There are __________ types of nutrients needed by plants besides light to carry out photosynthesis

A. Two
B. Three
C. Four
D. Five