Indian Plants UPSC Questions

Indian Plants MCQ Questions

13.
With reference to the Neem tree, consider the following statements:
1. Neem oil can be used as a pesticide to control the proliferation of some species of insects and mites.
2. Neem seeds are used in the manufacture of biofuels and hospital detergents.
3. Neem oil has applications in the Pharmaceutical industry.
Which of the statements given above is/are correct?
UPSC - 2014
A.
1 and 2 only
B.
3 only
C.
1 and 3 only
D.
1, 2 and 3
ANSWER :
C. 1 and 3 only
14.
Where is Aldrovanda found in India?
A.
Kashmir valleys
B.
Sunderbans
C.
Eastern Ghats
D.
Western Ghats
ANSWER :
B. Sunderbans
15.
What mechanism does Nepenthes use to trap insects?
A.
Sticky tentacles
B.
Pitfall trap with slippery surface
C.
Snap trap
D.
Bladder trap
ANSWER :
B. Pitfall trap with slippery surface
16.
What is the main threat to insectivorous plants?
A.
Only pollution
B.
Only habitat destruction
C.
Gardening trade and pollution
D.
Only overgrazing
ANSWER :
C. Gardening trade and pollution
17.
Which of the following is a gall-forming insect on eucalyptus?
A.
Crazy ant
B.
Gold Fish
C.
Leptocybe invasa
D.
Black Wattle
ANSWER :
C. Leptocybe invasa
18.
In India, cluster bean (Guar) is traditionally used as a vegetable or animal feed, but recently the cultivation of this has assumed significance. Which one of the following statements is correct in this context?
UPSC - 2014
A.
The oil extracted from seeds is used in the manufacture of biodegradable plastics
B.
The gum made from its seeds is used in the extraction of shale gas
C.
The leaf extract of this plant has the properties of antihistamines
D.
It is a source of high quality biodiesel
ANSWER :
B. The gum made from its seeds is used in the extraction of shale gas