The xylem and phloem arranged side by side on same radius is called _________

(a)

radial

(b)

amphivasal

(c)

conjoint

(d)

None of these

Oxygen is produced at what point during photosynthesis ?

(a)

when ATP is converted to ADP

(b)

when CO₂ is fixed

(c)

when H₂O is splitted

(d)

All of these

Exarch and tetrarch xylem are a feature of ___________.

(a)

dicot stem

(b)

dicot leaf

(c)

monocot root

(d)

dicot root

Mitochondria was discovered by ___________

(a)

Sachs

(b)

Kelvin

(c)

Melvin

(d)

Kolliker

Name the tissue present between the upper and lower epidermis.

(a)

Lower epidermis tissue

(b)

Pith

(c)

Upper epidermis tissue

(d)

Mesophyll

Leucoplasts are __________ plastids.

(a)

colourless

(b)

yellow

(c)

orange

(d)

red