In order to find out VITAL INDEX in Rampur Village, following information was gathered
Death Rate = 1/x Birth Rate = z
Average population = 1/y
What is the Vital Index ?
What is the true for the community ecology diagram ?
A. Involvement of 4 individuls of a population
B. Involvement of 4 population of a species
C. Involvement of 4 species of a community
D. Involvement of 4 speces of 4 ecosystem
Answer : Option C
Match the column I with column II
Column I Column II
(1) Astacus (p) Hydrophiic skin
(2) Marine turtle (q) green gland
(3) Spiny lizard (r) water storage in intestine
(4) Uromatrix (s) salt glands
A. (1-q), (2-s), (3-p) (4-r)
B. (1-s), (2-q), (3-p) (4-r)
C. (1-s), (2-p), (3-q) (4-r)
D. (1-p), (2-q), (3-s) (4-r)
Answer : Option A
54. Which of the following is incorrect if ‘O’ sign is used for benificial and ‘+’ sign for harmful ?
A. Penicillium <--> Gram +ve bacteria ; Penicillium: ‘+’
B. Rhizobium <---> palnt - leguminosae family : Both ‘O’
C. Tiger <--> Rabbit ; Tiger : ‘O’
D. Shank fish <---> Suckerfish ; Suckerfish ; ‘O’
Answer : Option A
What will happen if ‘X’ which is related to this reaction is absent ?
A. Deconposition, essential process like death, will stop
B. Damage to ecosystem
C. Begining of the food chain is not possible
D. All the statements given are correct
Answer : Option D
56. In the section of lichen which layer is seen just below “ upper cortex”
What is true for the given statements ?
Statement X : Protopterus aestivate during winter to overcome dry period Statement Y : The
process of aestivation in protopterus is to overcome unfavourable condition
A. Both statements are true
B. X-Correct Y- wrong
C. Both statements are wrong
D. X- wrong Y- correct
Answer : Option D
What is true for the given statement ?
Statement X : Most of the animals and almost all the plants cannot keep up their internal
enviornment constant
Statement Y : process of osmoregulation in plants is an example of this
A. Both statements are true
B. X - correct, Y- wrong
C. Both statements are wrong
D. X- wrong, Y- correct
Answer : Option A
which type of pyramid is true for the population having more number of pre reproductive and re
productive age group ?
A. a = post reproductive age group
B. b = reproductive age group
C. c = pre reproductive age group
D. None
Answer : Option B
60. X= Arthropods, Y = Mollusca, z = Coelenterates :-If the X by using Y, lives benifical life with z, then which of the following is correct example ?
A. X = cockroachY = pearl oyester Z = Hydra
B. X = Millipede Y = pila Z = jellyfish
C. X = Hermit crab Y = Gastropoda Z = sea anenone
D. All of these
Answer : Option C