If a sieve tube in a plant becomes blocked, the
plant will experience difficulty in
a. carrying on transpiration.
b. transporting minerals.
c. translocating food throughout the plant.
d. completing cell division and experiencing
normal growth.
e. healing wounds.
C
You might also like to view...
Paedomorphosis is
A. the formation of limbs from fins in the evolution of land vertebrates. B. the change from radial to bilateral symmetry in the evolution of plants and animals. C. the retention of juvenile traits in an adult organism. D. an earlier development of adult traits in an organism. E. the development of different types of eyes from a simpler form.
“Germination” can refer to two different events:
A. the arrival of the pollen grain at the ovule, and the growth of the seedling from the seed. B. the development of the flower, and the growth of the seedling from the seed. C. the growth of the pollen tube into the embryo sac, and the growth of the seedling from the seed. D. the development of the fruit from the ovary, and the growth of the seedling from the seed.
When a dorsal lip from a newt is attached to the ventral side of another embryo, it results in ____
a. two separate newts b. two attached newts c. survival of only the original newt d. death of the newt e. no observable result
Amy just gave birth by cesarean section to a beautiful baby girl. All through her pregnancy, her mammary glands enlarged to prepare for milk production. However, in the day or two following the birth of her baby, Amy cannot eject a drop of the milk that
is so obviously present in her breasts. What hormone is probably missing? A) progesterone B) prolactin C) oxytocin D) estrogen