My Profile
Active Members
TodayLast 7 Days
more...
Awards & Gifts
Online Exams
Fresher Jobs
Our fresher job section is exclusively for fresh graduates! Find jobs for freshers in major Indian
cities including Bangalore, Chennai, Hyderabad, Pune or Kochi
Resources
Find educational articles, blogs, discussion threads and other resources.
Colleges
Find details about any college in India or search for courses.
|
BOTANY QUESTIONS-4
Posted Date: 27 Apr 2008 Resource Type: Articles/Knowledge Sharing Category: Education
|
Posted By: CONFIDENCE IS THE COMPANION OF SUCCESS Member Level: Diamond
Rating:  Points: 5
|
|
|
1). The genus Magnolia has a _____________ colored flower and is
pollinated by _______________
2). Which of the following are both seed bearing plants :
a) hepaticophyta and psilophyta b) ginkgophyta and gnetophyta
c) gnetophyta and pterophyta d) gnetophyta and psilophyta
3). Seed plants have pollen. What are two other adaptations
they have to growing on land?
_____________________________________________________________________
_____________________________________________________________________
4). Which of the following is a monocotyledon?
a) rose b) grass c) tomato d) oak
5). Asthma and hay fever are treated using the drug : ________________ ,
which is extracted from a plant in the phylum : ___________________.
6). What does "heterosporous" mean? ______________________________
7). Gymnosperms first evolved about __ years ago.
a) 150 million b) 400 million c) 250 million d) 400 billion
8). After pollination, how does the male gamete reach the egg in :
Cycads : ___________________________________________________________
Flowering plants : _________________________________________________
9). How are seeds of the genus Salsola dispersed ? ________________
____________________________________________________________________
10). Anthophyta (flowering plants) first evolved about __ years ago.
a) 150 million b) 400 million c) 250 million d) 400 billion
11). The genus Ephedra is found in _1_ and attracts pollinators using _2_.
a) Africa ; blue flowers b) Utah ; blue flowers
c) Africa ; nectar d) Utah ; nectar
12). What adaptation does Welwitschia have for living in the desert?
_____________________________________________________________________
13). Acacia seeds are spread by __1__ and have a(n) __2__ attached.
a) wind ; wing b) birds ; fruit
c) ant ; elaiosome d) water ; float
14). The genus Zamia is found in __1__ and is in the phylum __2__.
a) Africa ; cycadophyta b) Florida ; cycadophyta
c) Africa ; gnetophyta d) Florida ; gnetophyta
15). Give an example of a genus whose stem is strengthened by lignin :
_________________
16). Which phylum of gymnosperm has only one species still surviving?
_____________________
17). Cambium is characteristic of conifers and __1__ and produces __2__
towards the outside of the plant.
a) monocotyledons ; phloem b) dicotyledons ; phloem
c) monocotyledons ; xylem d) dicotyledons ; xylem
18). What is the function of sepals? ______________________________
19). What are two adaptations that conifers have that make them drought
resistant?
__________________________________________________________
20). The scientific name of "bristle cone pine" is _________ ____________
21). The stamen is made of two parts, the _______________ and _____________
22). The xylem of gymnosperms have ___________ to carry water, whereas the
xylem of anthophyta have ______________.
23). Explain "double fertilization": __________________________________
______________________________________________________________________
24). Apart from producing toxic chemicals, plants are defended from
predators by:
_____________________________________________________________________
25). Sapwood is __1__ than heartwood and is found closer to the __2__.
a) younger ; cambium b) older ; center of the stem
c) older ; cambium d) younger ; center of the stem
26). Swollen areas of the stem for storing food are called:
a) rhizomes b) tubers c) runners d) bulbs
27) Why are carnivorous plants typically found in wet soil?
______________________________________________________________________
28). Sundews, such as the genus _________ , trap insects using _____________
29). Leaves that have a long central stalk, with paired leaflets coming off
the side are called:
a) pinhead b) palmate c) pinnate d) prostrate
30). Whorled leaves have at least __ leaves on each node.
a) 2 b) 3 c) 4 d) 5
|
Responses
|
No responses found. Be the first to respond and make money from revenue sharing program.
|
|
Watch TV Channels
|