Top 80+ Solved Organism and Population MCQ Questions Answer
Q. 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)
Q. 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’
Q. 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
Q. In the section of lichen which layer is seen just below “ upper cortex”
a. Medulla
b. Algal layer
c. lowercortex
d. All of these
Q. 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
Q. What is true for the given statement ?Statement X : Most of the animals and almost all the plants cannot keep up their internal enviornment constantStatement 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
Q. 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
Q. From the given option find out the correct pair ?
a. Mesofauna - Earthworm
b. Macrofauna - spider
c. Microfauna - fungi
d. None of these
Q. Mathc column I with column II Column - I Column - II1. Mutualism (p) Barnacles2. Competition (q) Tiger3. Predation (r) Mites4. Parasitism (s) Sea anemone
a. (1-s), (2-r), (3-p) (4-q)
b. (1-r), (2-s), (3-q) (4-p)
c. (1-s), (2-p), (3-q) (4-r)
d. (1-q), (2-r), (3-s) (4-p)
Q. ‘X’ is an example of Mutualism and ‘Y’is an example of succession then which is the correct realtionship ?
a. X = Hermit Grab Y = Gastropod
b. X= Sea anemore Y = mesosere Succession
c. X = Lichen Y = Xerosere
d. X= Lichen Y= Hydrosere
Q. Which of the following is not included as the climax community of general processof succession ?
a. Sedge-meadow stage
b. phytoplanktones
c. Forest
d. Grassland
Q. How mandy sq. km. area of biosphere is occupied by marine habitat. ?
a. 3,62,000,000
b. 36 crore 20 lacs
c. 36,20 Million
d. all of these
Q. Whats percentage of earth is occupied by marine habitat ?(1) 71% (2) 4 % (3) 67% (4) 29%
a. 1,2
b. 2,3
c. 1,4
d. 1
Q. What is the composition of soil with high waterlogging capicity ?
a. Sandy soil
b. Black soil (loan soil)
c. Rocky soil
d. Any one of these