The world’s Largest Sharp Brain Virtual Experts Marketplace Just a click Away
Levels Tought:
Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | Apr 2017 |
| Last Sign in: | 90 Weeks Ago, 6 Days Ago |
| Questions Answered: | 7570 |
| Tutorials Posted: | 7352 |
BS,MBA, PHD
Adelphi University/Devry
Apr-2000 - Mar-2005
HOD ,Professor
Adelphi University
Sep-2007 - Apr-2017
QUESTION 1
1. What is the function of bacterial flagella?
|
|
a. |
assisting in protein synthesis |
|
|
b. |
cell membrane construction |
|
|
c. |
organization of the nuclear material |
|
|
d. |
energy production |
|
|
e. |
locomotion |
4 points
QUESTION 2
1. ____ allow bacteria to join together to transfer genes.
|
|
a. |
Cilia |
|
|
b. |
Pili |
|
|
c. |
Spores |
|
|
d. |
Capsules |
|
|
e. |
Flagella |
4 points
QUESTION 3
1. ____ may have been the ancestors of cellular life.
|
|
a. |
Lipid globules |
|
|
b. |
Pseudocells |
|
|
c. |
Protocells |
|
|
d. |
Prokaryotic cells |
|
|
e. |
Circular RNA |
4 points
QUESTION 4
1. The ____ form of Plasmodium is transferred to humans through the bite of an infected mosquito.
|
|
a. |
spore |
|
|
b. |
cyst |
|
|
c. |
merozoite |
|
|
d. |
gametocyte |
|
|
e. |
sporozoite |
4 points
QUESTION 5
1. Protists that are part of a(n) _____ are integrated with other cells, but remain self-sufficient.
|
|
a. |
pathogenic life cycle |
|
|
b. |
colonial organism |
|
|
c. |
multicellular organism |
|
|
d. |
contractile vacuole |
|
|
e. |
algal bloom |
4 points
QUESTION 6
1. Lichens are an important component in many ecosystems because they ____.
|
|
a. |
are food for primary producers |
|
|
b. |
form a mutualistic relationship with the roots of most plants |
|
|
c. |
are primary producers |
|
|
d. |
trap small predators with their hyphae |
|
|
e. |
help form soil by breaking down rocks |
4 points
QUESTION 7
1. The structure that consists of an embryo sporophyte and food to support it enclosed within a protective coat is referred to as a ____.
|
|
a. |
zygote |
|
|
b. |
spore |
|
|
c. |
seed |
|
|
d. |
fruit |
|
|
e. |
gamete |
4 points
QUESTION 8
1. Many tropical ferns live on other plants without withdrawing nutrients from them. These ferns are said to be ____.
|
|
a. |
epiphytes |
|
|
b. |
saprophytes |
|
|
c. |
pathogens |
|
|
d. |
bryophytes |
|
|
e. |
parasites |
4 points
QUESTION 9
1. The female part of a flower is known as the ____.
|
|
a. |
anther |
|
|
b. |
stamen |
|
|
c. |
endosperm |
|
|
d. |
carpel |
|
|
e. |
megaspore |
4 points
QUESTION 10
1. If fertilization occurs in seed plants, a seed will develop from the ____.
|
|
a. |
ovule |
|
|
b. |
zygote |
|
|
c. |
pollen grain |
|
|
d. |
gametophyte |
|
|
e. |
ovary |
QUESTION 1
1. Anaerobic methanogens produce ____.
|
|
a. |
hydrogen sulfide |
|
|
b. |
carbon monoxide |
|
|
c. |
ammonia sulfide |
|
|
d. |
methane |
|
|
e. |
carbon dioxide |
4 points
QUESTION 2
1. Flagellated protozoans possess a ____, layer of elastic proteins just beneath the plasma membrane.
Flagellated protozoans possess a ____, layer of elastic proteins just beneath the plasma membrane.
|
|
a. |
capsule |
|
|
b. |
cilium |
|
|
c. |
pillus |
|
|
d. |
flagellum |
|
|
e. |
pellicle |
4 points
QUESTION 3
1. Both mitochondria and chloroplasts are thought to have evolved by the process of ____.
|
|
a. |
nitrogen fixation |
|
|
b. |
decomposition |
|
|
c. |
endosymbiosis |
|
|
d. |
transformation |
|
|
e. |
viral reassortment |
4 points
QUESTION 4
1. ____ bacteria are found inside the roots of legumes, where they receive _____ from the host plant.
|
|
a. |
Nitrogen-fixing; carbohydrates |
|
|
b. |
Thermophilic; water |
|
|
c. |
Methane-producing; minerals |
|
|
d. |
Cyanobacteria; minerals |
|
|
e. |
Halophilic; carbohydrates |
4 points
QUESTION 5
1. The appearance of _____ on Earth due to the action of photosynthetic bacteria occurred about 2.7 billion years ago.
|
|
a. |
oxygen |
|
|
b. |
carbon dioxide |
|
|
c. |
ATP |
|
|
d. |
water |
|
|
e. |
iron |
4 points
QUESTION 6
1. Fungal cell walls consist primarily of ____.
|
|
a. |
cellulose |
|
|
b. |
lignin |
|
|
c. |
chitin |
|
|
d. |
protein |
|
|
e. |
pectin |
4 points
QUESTION 7
1. The most common mode of pollination in angiosperms occurs by _____.
|
|
a. |
insects |
|
|
b. |
water |
|
|
c. |
wind |
|
|
d. |
humans |
|
|
e. |
birds |
4 points
QUESTION 8
1. In flowering plants, pollen grains form in the flower's male parts called ____.
|
|
a. |
carpels |
|
|
b. |
endosperms |
|
|
c. |
stamens |
|
|
d. |
megaspores |
|
|
e. |
anthers |
4 points
QUESTION 9
1. After fertilization occurs in a flowering plant, the ovary becomes a(n) ____.
|
|
a. |
endosperm |
|
|
b. |
fruit |
|
|
c. |
gametophyte |
|
|
d. |
ovule |
|
|
e. |
seed |
4 points
QUESTION 10
1. Gymnosperms are seed plants that produce seeds ____.
|
|
a. |
on the surface of ovules |
|
|
b. |
on their waxy needles |
|
|
c. |
inside ovules |
|
|
d. |
inside fruits |
|
|
e. |
from a microspore |
QUESTION 1
1. ____ allow bacteria to join together to transfer genes.
|
|
a. |
Cilia |
|
|
b. |
Flagella |
|
|
c. |
Pili |
|
|
d. |
Spores |
|
|
e. |
Capsules |
4 points
QUESTION 2
1. Foraminifera are predatory protists with a ____ shell, which is the ultimate source of _____.
|
|
a. |
chitin; ozone |
|
|
b. |
calcium carbonate; chalk and limestone |
|
|
c. |
carbon; carbon dioxide |
|
|
d. |
bicarbonate; chalk and limestone |
|
|
e. |
silicon; oxygen |
4 points
QUESTION 3
1. The ____ form of Plasmodium is transferred to humans through the bite of an infected mosquito.
|
|
a. |
merozoite |
|
|
b. |
spore |
|
|
c. |
sporozoite |
|
|
d. |
gametocyte |
|
|
e. |
cyst |
4 points
QUESTION 4
1. It is thought that viruses may have originated from cells because ____.
|
|
a. |
of their genetic material |
|
|
b. |
they are pathogens |
|
|
c. |
of their small size |
|
|
d. |
they can only replicate within a host cell |
|
|
e. |
they do not have organelles |
4 points
QUESTION 5
1. Protists that are part of a(n) _____ are integrated with other cells, but remain self-sufficient.
|
|
a. |
algal bloom |
|
|
b. |
colonial organism |
|
|
c. |
multicellular organism |
|
|
d. |
pathogenic life cycle |
|
|
e. |
contractile vacuole |
4 points
QUESTION 6
1. In seed plants, which develops into a female gametophyte?
|
|
a. |
sporophyte |
|
|
b. |
microspore |
|
|
c. |
megasporangium |
|
|
d. |
microsporangium |
|
|
e. |
megaspore |
4 points
QUESTION 7
1. Gymnosperms are seed plants that produce seeds ____.
|
|
a. |
inside ovules |
|
|
b. |
on their waxy needles |
|
|
c. |
from a microspore |
|
|
d. |
on the surface of ovules |
|
|
e. |
inside fruits |
4 points
QUESTION 8
1. Lichens are an important component in many ecosystems because they ____.
|
|
a. |
trap small predators with their hyphae |
|
|
b. |
are primary producers |
|
|
c. |
form a mutualistic relationship with the roots of most plants |
|
|
d. |
are food for primary producers |
|
|
e. |
help form soil by breaking down rocks |
4 points
QUESTION 9
1. The structure that consists of an embryo sporophyte and food to support it enclosed within a protective coat is referred to as a ____.
|
|
a. |
spore |
|
|
b. |
seed |
|
|
c. |
fruit |
|
|
d. |
gamete |
|
|
e. |
zygote |
4 points
QUESTION 10
1. All fungi are _____.
|
|
a. |
multi-cellular |
|
|
b. |
photosynthetic |
|
|
c. |
heterotrophic |
|
|
d. |
unicellular |
|
|
e. |
autotrophic |
SCI----------- 11-----------5 W-----------eek----------- 8 -----------Qui-----------zSC-----------I 1-----------15 -----------Wee-----------k 8----------- Qu-----------iz-----------