Supplemental Instruction
Iowa State University / Leader: / Umair
Course: / Biology 212 (1)
Instructor: / Enger/Sakaguchi
Date: / 10/26/11
Supplemental Instruction
1060 Hixson-Lied Student Success Center v 294-6624 v www.si.iastate.edu
MCQ’s
22. Photorespiration
a. helps plants by capturing O2 b. helps plants by capturing CO2
c. hurts plants by capturing CO2 d. hurts plants by capturing O2
27. All of the following are characteristics of monocots except
a. parallel venation b. tap root system c. vascular bundles complexly arranged d. floral parts in multiples of 3
28. Root systems serve to
a. provide anchorage b. can be used for food storage
c. absorb water and minerals d. all of the above
33. A horizontal stem that grows underground is called a
a. rhizome b. tuber c. bulb d. all of the above
34. All of the following are parts of a leaf except
a. blade b. petiole c. sepal d. all of the above are parts of a leaf
35. A compound leaf
a. has more than one function b. consists of divided leaflets
c. is in an atypical spot on the plant d. consists of leaflets
36. Root hairs are an extension of
a. dermal tissue cells b. vascular tissue cells
c. ground tissue cells d. root hairs are not extensions of a cell; they are cells
37. Tracheids and vessel elements are both cells found in
a. xylem tissue b. phloem tissue c. ground tissue d. protoplast tissue
39. Sieve-tube member cells have no______and therefore need companion cells
a. mitochondria b. chloroplasts c. Endoplasmic reticulum d. nucleus
41. In ______the vascular bundles are arranged in a ring and the ______is on the inside of the ring.
a. dicots, pith b. dicots, cortex c. monocots, pith d. monocots, cortex
42. Collenchyma are
a. typical plant cells b. specialized for support c. are found in growing tissues d. all of the above
45. Meristematic tissue
a. is at the tips of shoots and roots b. . has cells that are undifferentiated
c. is involved in growth d. all of the above
48. Which of the following are root zones dedicated to growth
a. zone of elongation b. zone of maturation c. zone of cell division d. all of the above
50. The casparian strip
a. produces new vascular tissue b. keeps unwanted molecules out of the vascular tissue
c. produces epidermal tissue d. forms a waxy coating on the leaves to keep water in
51. Mycorrhizae have a symbiotic relationship with the ______of plants to help ______
a. roots, water and mineral absorbtion b. leaves, capture energy from sunlight
b. phloem tissue, transport sugars c. root meristems, grow stronger roots
52. Vascular bundles in the stems of dicots form a ring around the perimeter with the xylem towards the
a. pith b. cortex c. roots d. leaves
53. Every year of growth in a plant documented by rings of _____ tissue with the oldest ring on the ____.
a. phloem, outside b. phloem, inside c. xylem, outside d. xylem, inside
55. The cells in the leaf that contain chlorophyll are
a. mesophyll cells b. epidermal cells c. guard cells d. all of the above
56. Phloem tissue transports
a. sugar up b. sugar down c. sugar up and down d. water and mineral up and down
57. Water tension in plant cells gives them a
a. flaccid appearance b. turgid appearance c. evolutionary advantage d. none of the above
58. ______flow allows water and minerals flow directly into the xylem vessels
a. symplastic and apoplastic b. a symplastic c. apoplastic d. casparian
59. Transpiration is caused by
a. pumping of water and minerals into roots b. water evaporating out of stomata
c. mycorrhizae taking water from the plant d. guttation
60. Phloem transport is driven by
a. root pressure b. osmotic pressure flow c. all of the above d. none of the above
61. Megaspores
a. make pollen grains b. make microspores c. are produced by the ovule d. are diploid cells
1. Organs are characterized by
a. specialized cells b. at least 2 types of cells and functions
c. being the basic unit of living organisms d. cells with a common functions
2. Tissues that serves to form glands and gametes as well as covering and lining structures is
a. muscular tissue b. nervous tissue c. connective tissue d. epithelial tissue
3. The structural organization of animals include
a. tissues b. organs c. systems d. all of the above
4. Heterotrophs
a. include all animals b. make their own food
c. must ingest other organisms for food d. a and c
5. Metabolic rate measures ______in ______.
a. energy used by an animal, kilocalories b. energy ingested by an animal, kilocalories
c. energy used by an animal, calories d. energy ingested by an animal, calories
7. Homeostasis is used to
a. maintain the body’s temperature b. maintain optimal volume in cells, organ, etc.
c. maintain composition of body fluids d. all of the above
8. Food is used for
a. fuel b. essential nutrients c. carbon skeletons for molecules d. all of the above
11. Which of the following are not essential amino acids?
a. valine b. histidine c. alanine d. leucine
12. All of these are essential vitamins except
a. A b. P c. K d. B
14. Extracellular digestion is
a. carried out in the animals tissues b. carried out outside of the animals tissues
c. involves phagocytosis d. is carried out by sponges
16. Arteries
a. carry blood back to the heart b. carry blood away from the heart
c. allow gas, nutrient, or waste exchange d. have valves
18. Coronary circulation pumps blood to
a. the heart b. the brain c. the lungs d. all of the above
19. Which contracts first
a. the left side of the heart b. the right side of the heart c. the ventricles d. the atria
20. The heart maintains it’s own rhythm starting at the
a. sinoatrial node b. atrioventricular node c. semilunar valve d. atrioventricular valve
Short Questions
- What is homeostasis?
- What is the difference between an Artery and a Vein
- What is primarily digested in the stomach and how?
- What is the importance of signal amplification
- How does water get from the roots to the top of a tree?
- Where is the water potential most negative in a plant?
- Discuss the structure of a leaf. How do stomata open and close?
- What is the mechanism?
- What are guard cells?
- Where do plants get nitrogen?
a. Where does nitrogen in the soil come from?
Essay Question
Q1. Explain the cardiac cycle and how it helps in gaseous exchange?
Supplemental Instruction
1060 Hixson-Lied Student Success Center v 294-6624 v www.si.iastate.edu