Question

VIII Class
panth
er, will
Biology Common Notes
WORKSHEET - 1
forest ecosys
C) Cycas
Choose the correct answer :
Which among these is a non native species of fores
tem ?
A) Water hyacinth B) Nepenthes
D) Spanish flag plant
Which among the following leads to the loss of biodiversity 2
A) Increase in population B) Deforestation
C) Habitat destruction D) All the above
The species which are at the danger of extinction are called :
A) Endemic species B) Extinct species C) Endangered species D) None of these
6.
4. Wildlife protection act was enacted in the year :
A) 1952
B) 1962
C) 1972
D) 1982
5. Red data book was published by:
A) W.W.F
B) LC.U.W
C) I.U.W.C
D) Both A and D
The percentage of lizards endemic to western ghats is :
A) 20%
B) 30%
C) 40%
D) 50%
The endangered species of medicinal plants is :
A) Sandal wood B) Orchids
C) Rauwolfia serpentine D) Water hyacinth
For the past five years, the tiger population decreased to an average of:
A) 35%
B) 3.5%
C) 4%
D) 50%
The seasonal movement of birds from one habitat to another is called :
B) isolation
A) immigration
C) habitation
D) migration
The present number of tigers in India are:
B) 2800
A) 3500
D) none of these
C) 3800​

Answer 1

Answer:

a

Explanation: