Download chapter 10 part 1

Dr. AASHISH H. PANCHAL
(M.Pharm., Ph.D.)
TRISHA INSTITUTE OF BIOLOGY
Sub: Biology (056) (E)
Time: 1 hour
STD-12 (Semester-3)
PART-A
GSEB/CBSE/ISC/NEET
COMPLETE BIOLOGY SOLUTION
CHAPTER 10 PART 1
Marks:30
Q-1 MCQ
20
1. Which of the following statements is true ?
Statement X : Migration of birds is influenced by light.
Statement Y : Reproduction of birds is influenced by light.
Statement Z : In all birds gonads are activated due to increase in intensity of light during summer.
(a) X
(b) Y
(c) X, Y, Z
(d) X, Y
2. What is true for the given statements ?
Statement X : Birds and Mammals obtain greater body size in cold region than in warm regions.
Statement Y : Birds and Mammals are Homeothermic (warm blooded)animals.
Statement Z : Reptiles are smaller in cold region.
(a) X
(b) Y
(c) X, Y, Z
(d) X, Y
3. “Spiny lizard” absorbs water from the atmosphere which is appropria e similar functional option for the
statement ?
(a) Tongue of Human
(b) Hygroscpic roots of orchid
(c) Roots of plants
(d) None of these
4. Which animal is capable of obtaining water by oxidation of lipid.
(a) Rat
(b) Earthworm
(c) Mole
(d) Kangaroo rat
5. Statement X : Marine fishes have chlorine secretory cells. .
Statement Y : fluid present in marine fish is hypertonic
(a) If 'A' and 'R' are true and 'R' is the correct explanation of 'A'.
(b) If 'A' and 'R' are true and 'R' is not the correct explanation of 'A'.
(c) 'A' is true but 'R' is false.
(d) Both 'A' and 'R' are false.
6. A(n) __________ consists of the interactions between groups of different individuals and the non-living factors in a
particular area.
(a) Population
(b)Ecosystem
(c)Community
(d)Domain
7. A university biology department wishes to hire a scientist to work on the relationships among the wolves, moose,
trees and grass species on an island. If you were charged with writing the job announcement, you should title the
position
(a) Population ecologist. (b) Molecular biologist. (c) Community ecologist.
(d) Organismic physiologist.
8. Which of the following sequences of organization is likely to be seen in a multicellular organism, going from
smallest to largest?
(a) Cell, organ, tissue, organism, population, community, ecosystem and biomes
(b)Cell, organ, system, tissue, population, community, biomes and ecosystem
(c)Cell, tissue, system, organism population, community, ecosystem and biomes
(d)Organism, system, organ, tissue population, community, ecosystem and biomes
9. Which of these is a peculiarity of form, function, or behavior that promotes the likelihood of a species' continued
existence?
(a) Evolution
(b) Metabolism
(c) Adaptation
(d) Homeostasis
10. Which factor of ecosystem includes plants, animals and microorganisms?
(a) Biotic factors
(b) Direct factors
(c) Indirect factors
(d) Abiotic factor
11. A terrestrial animal must be able to
(a) Excrete large amounts of salts in urine
(b) Actively pump salts out through the skin
(c) Conserve water
(d) Excrete large amount of water in urine
12. A. Cave animals are colourless.
R. Light induces photochemical reactions resulting in the formation of colour pigments.
(a) If A and R both are correct and R is true explanation of A
(b) If A and R both are correct but R is not true explanation of A
(c) If A is correct and R is wrong
(d) If A is wrong and R is correct
13. A. Kangaroo rat in a desert is capable of meeting all its water requirement through its internal lipid oxidation.
R. Archae bacteria flofaish in hot spring.
(a) If A and R both are correct and R is true explanation of A
(b) If A and R both are correct but R is not true explanation of A
(c) If A is correct and R is wrong
(d) If A is wrong and R is correct
14. Interrelation is given in column-I and sign in column-II, select the correct option.
Column-I
Column-II
(a) A-(iii), B-(iv), C-(ii), D-(i), E-(v)
(b) A-(iv), B-(v), C-(i), D-(ii),E-(iii)
A. Archaebacteria
(i) hygroscopic skin
M.No. : 09898715582,
E-mail: [email protected]
Page 1
Dr. AASHISH H. PANCHAL
(M.Pharm., Ph.D.)
TRISHA INSTITUTE OF BIOLOGY
GSEB/CBSE/ISC/NEET
COMPLETE BIOLOGY SOLUTION
B. Crustacean Astacus (ii) Accessory-respiratory organs (c) A-(iii), B-(iv), C-(i), D-(v), E-(ii)
C. Spiny lizard
(iii)Hot water spring
(d) A-(iii), B-(iv), C-(i), D-(ii), E-(v)
D. Camel
(iv) Green gland
E. Anabus
(v) Water cells of reticulum
15. What is indicated by given diagram ?
(a) Population ecology (b) Species ecology
(c) Community ecology (d) Biotic and abiotic ecology
16. Match the column-I and column-II and select correct option.
Column-I
Column-II
(a) A-(s), B-(r), C-(p), D-(q)
(b) A-(s), B-(p), C-(r), D-(q)
A. Microflora (p) Moles
(c) A-(s), B-(r), C-(q), D-(p)
B. Microfauna (q) Insect larvae
(d) A-(r), B-(s), C-(p), D-(q)
C. Mesofauna (r) Nematodes
D. Macrofauna (s) Blue green algae
17. Which of the following statement is/are correct for biotic factor-temperature ?
(i) Sex-ratio is effected by temperature in rotifers. (ii) Under normal condition daphnids give sexual eggs.
(iii) Poikilotherms are larger in cold regions
(iv) Birds and mammals are cold blooded animals
(a) Only (i), (ii) and (iii) (b) Only (i)
(c) Only (ii), (iii) and (iv)
(d) Only (i) and (iv)
18. Who determine the percolation and water holding capacity of the soil ?
(a) Soil composition
(b) Grain aggregation
(c) Grain size
(d) (a), (b), (c) all
19. What is the reason for difference in vegetation at poles and other parts of the earth ?
(a) Different amount of radiation received with the change in latitude.
(b) Different amount of radiation received with the change in longitude.
(c) Different amount of radiation received with the change in altitude.
(d) Variation in humidity of earth's atmosphere.
20. Thermal stratification is most conspicuous in...........
(a) shallow fresh water habitat
(b) deep fresh water habitat
(c) shallow marine habitat
(d) deep marine habitat
Q-2 ANSWER THE FOLLOWING
21. Write a note on the water relationship with plant and animal
22. Write a note on how organism cope up with unfavorable conditions
M.No. : 09898715582,
E-mail: [email protected]
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