05:13Phenotypic Plasticity | Plant Growth and Development (Part 4) | Class 11Scholarly Education458views
06:46Roots of Plants | Morphology of Flowering Plants | Plant Morphology | Don't MemoriseDon't Memorise876views
Multiple ChoiceLeaves occur at intervals along the plant stem. What is the region where a leaf is attached to the stem? 573views
Multiple ChoiceThe shoot system of a prickly pear cactus consists of broad paddle-like structures covered with clusters of spines. The spines are modified leaves, so the flat green paddles must be modified versions of what structure? 864views
Multiple ChoiceA cross section of a plant part exposes epidermis, a thick cortex, and a central cylinder of xylem and phloem. This part is a __________. 816views
Multiple ChoiceWhich of the following is closest to the center of a buttercup (eudicot) root? 496views
Multiple ChoiceIn most leaves, chloroplast-containing cells are most closely compacted in the __________. 586views
Multiple ChoiceWhich of the following is the correct arrangement of structures from the inside to the outside of a leaf blade? 475views
Textbook QuestionCreate a diagram or concept map that shows the relationships between the following: root system, root hairs, shoot system, leaves, petioles, blades, stems, nodes, internodes, flowers.458views
Textbook QuestionWhich of the following is an important exception to the central dogma of molecular biology? a. Many genes code for RNAs that function directly in the cell. b. DNA is the repository of genetic information in all cells. c. Messenger RNA is a short-lived 'information carrier.' d. Proteins are responsible for most aspects of the phenotype.1135views
Textbook QuestionResearchers design experiments so that only one thing is different between the treatments that are being compared. In the Hershey–Chase experiment, what was this single difference?468views
Textbook QuestionDescribe the general function of the shoot and the general function of the root system. Which tissues are continuous throughout these two systems? Suggest a hypothesis to explain why the shoot and root systems of different species are so variable in size and shape.253views
Textbook QuestionThe root pericycle is the site where (A) secondary growth originates. (B) root hairs originate. (C) lateral roots originate. (D) the endodermis originates917views
Textbook QuestionRoot apical meristems are found (A) only in taproots. (B) only in lateral roots. (C) only in adventitious roots. (D) in all roots987views
Textbook QuestionWhat does the cuticle do? What do stomata do? Predict how the thickness of the cuticle and the number of stomata differ in plants from wet habitats versus dry habitats.352views
Textbook QuestionIdentify the structure you are consuming when you eat each of the following: asparagus, Brussels sprouts, celery, spinach, carrot, potato.252views
Textbook QuestionA strawberry plant mutant that fails to make stolons would suffer from (A) too little mineral absorption. (B) a tendency to topple over. (C) too little water absorption. (D) a reduction in asexual reproduction844views
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