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1.
value for human population in 1981. In India was
value for human population in 1981. In India was
2.
Statements
I. Mutualistic relationship evolve when benefit of both species out weight the lost
II. Mutualism relationship evolve when benefits of both species under weight the lost
III. Human caused ecological balance by eradicating common parasite
IV. Human caused altering competition between species
Select the wrong pair from statements
I. Mutualistic relationship evolve when benefit of both species out weight the lost
II. Mutualism relationship evolve when benefits of both species under weight the lost
III. Human caused ecological balance by eradicating common parasite
IV. Human caused altering competition between species
Select the wrong pair from statements
3.
Biotic potential or potential natality means
4.
I. Many xerophytic plants have thick cuticle on leaf epidermis and sunken stomata
II. Some xerophytic plants have special photosynthetic pathway (CAM) that enables their stomata close during day
III. <img width=54 height=20 src="https://mytat.co/uploads/question/ORGANISMSANDPOPULATIONS-1_filesimage033.png"> has spines (modified leaves), photosynthetic phylloclade (stem)
IV. All adaptations are genetically fixed in all organisms
Choose the combinations of correct option
II. Some xerophytic plants have special photosynthetic pathway (CAM) that enables their stomata close during day
III. <img width=54 height=20 src="https://mytat.co/uploads/question/ORGANISMSANDPOPULATIONS-1_filesimage033.png"> has spines (modified leaves), photosynthetic phylloclade (stem)
IV. All adaptations are genetically fixed in all organisms
Choose the combinations of correct option
5.
Formation of wide variety of habitats takes place by
6.
Population of any species is
7.
Smallest unit of ecology is
8.
What is a keystone species?
9.
Identify 
and 
<img width=195 height=135 src="https://mytat.co/uploads/question/ORGANISMSANDPOPULATIONS-1_filesimage100.jpg">
and <img width=195 height=135 src="https://mytat.co/uploads/question/ORGANISMSANDPOPULATIONS-1_filesimage100.jpg">
10.
Find out the correct ones
I. Mammals of colder climate generally have shorter ears and limbs to minimize heat loss
II. All organisms have behavioural adaptations that allow them to respond quickly to a stressful situation
III. Some organisms possess behavioural adaptations which allow them migrating temporarily to a less stressful situation
IV. Invertebrates and fishes live at great depths in the ocean have biochemical adaptation to cope with high pressure
I. Mammals of colder climate generally have shorter ears and limbs to minimize heat loss
II. All organisms have behavioural adaptations that allow them to respond quickly to a stressful situation
III. Some organisms possess behavioural adaptations which allow them migrating temporarily to a less stressful situation
IV. Invertebrates and fishes live at great depths in the ocean have biochemical adaptation to cope with high pressure