Botany Questions

In monocots, the shoot is protected by a sheath called the

The pollen grain grows a tube through the of the carpel to the ovary at the base of the carpel

Undifferentiated cells that can multiply and produce daughter cells of many different types are called _______.. Embryonic cells of this type can differentiate into any cell type of the body; they are derived from the

Which conducts water, minerals, and sugars within the plant body? _________

Most of the interior of a leaf consists of soft, thin-walled, living ________ cells.A) collenchymaB) guardC) sclerenchymaD) epidermalE) parenchyma

In a reptile the extraembryonic membrane that enclose the embryo in a watery environment is the

Minerals dissolved in waterenter root epidermal cells

Which of the following is NOT true of sclerenchyma tissue?A) It is associated with xylem and phloem in the vascular tissue system.B) It dies at maturity.C) It is made up of cells with thickened cell walls.D) It provides support to strengthen the plant.E) It is a storage site for sugars and starches.

The spores germinate to produce the haploid generation, called the .

Water travels upward through plant roots and shoots within hollow tubes of __________, which contains two types of conducting cells, __________ and _________

The tube enters an ovule through an opening in the_______ of the ovule.

Plants grow through division of __________ cells and differentiation of the resulting daughter cells.

Why can't plants use N2 directly as a nutrient?A) Plants lack the enzymes necessary to convert N2 into NO3−or NH4+.B) Plants must use NO3− to carry out nitrogen fixation.C) Most soils are depleted of N2 as a nutrient.D) N2 diffuses out of leaves as quickly as it diffuses in, so it has to be "fixed" to remain in leaves.E) The N2 molecule is too large to enter the stomata.

Pollination occurs when pollen lands on the of a flower of the same plant species.

Mycorrhizae are symbiotic associations between fungi and plantA) leaves.B) stems.C) roots.D) flowers.E) seeds.

In humans, implantation in the uterus occurs at which stage of embryonic development?

In a flowering plant, the male gametophyte is the ____.It is formed in the ____of a flower

Parenchyma cells are located in all of the following structures EXCEPT theA) cortex.B) vascular tissues.C) mesophyll.D) pith.E) cuticle.

Cells that are alive, have thickened cell walls, and support the plant body areA) parenchyma cells.B) sclerenchyma cells.C) tracheids.D) collenchyma cells.E) vessel elements.

If a beaver eats the bark all the way around a tree trunk (a process called "girdling"), why does the tree die?A) The tree is susceptible to insect and fungal diseases.B) The phloem is damaged, and the transport of sugars ceases.C) Cells of the lateral meristem can no longer divide.D) Water and minerals are no longer supplied to the leaves.