Organism and Populations Biology Quiz for NEET

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Details of Organism and Populations Biology Quiz for NEET
No. of Questions in Quiz 29 with Explanation
Time for each Questions 60 Seconds
Attempts Allowed Unlimited
Available Always
Pass Percentage 70 %

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#1. Which one of the following population interactions is widely used in medical science for the production of antibiotics?

Amensalism (0, –)
Antibiotics are chemicals secreted by one microbial group (eg : Penicillium) which harm other microbes
(eg : Staphylococcus)

It has no effect on Penicillium or the organism which produces it.

#2. Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other?

#3. Niche is

#4. Natality refers to

Death rate – Mortality

Number of individual entering a habitat is – Immigration

Number of individual leaving the habital – Emigration

#5. Mycorrhizae are the example of

Mycorrhizae is a symbiotic association of fungi with roots of higher plants.

#6. Asymptote in a logistic growth curve is obtained when

population growing in a habitat with limited resources shows logistic growth curve.

#7. Plants which produce characterstic pneumatophores and show vivipary belong to

Halophytes growing in saline soils show vivipary, which is in-situ seed germination and pneumatophores for gaseous exchange.

#8. Which of the following is correct for r-selected species?

#9. If '+' sign is assigned to beneficial interaction, '–' sign to detrimental and '0' sign to neutral interaction, then the population interaction represented by '+' '–' refers to

#10. An association of individuals of different species living in the same habitat and having functional interactions is

#11. Roots play insignificant role in absorption of water in

Pistia – roots are poorly developed as it is free floating hydrophyte.

#12. In which of the following interactions both partners are adversely affected?

#13. Most animals are tree dwellers in a

#14. Just as a person moving from Delhi to Shimla to escape the heat for the duration of hot summer, thousands of migratory birds from Siberia and other extremely cold northern regions move to

#15. Cuscuta is an example of

#16. People who have migrated from the planes to an area adjoining Rohtang pass about six months back

#17. Large Woody Vines are more commonly found in:

#18. Which one of the following is one of the characteristics of a biological community?

Stratification is vertical distribution of community.

#19. Geometric representation of age structure is a characteristic of

#20. A good soil is that which

#21. Rise in the temperature and air humidity can be observed from

#22. A process which maintains constancy of internal body environment of organisms despite varying external environmental conditions is called as

#23. Keolado national park is situated at ______ and is famous for ______.

#24. Altitude sickness which includes nausea, fatigue and heart palpitations occurs due to

#25. Altitude sickness is managed by the body by

Altitude sickness is managed by the body by decreasing binding capacity of hemoglobin.

#26. Warm blooded animals like mammals from colder climates generally have shorter ear and limbs. This is an explanation of

#27. Which is not true for J-shaped growth curve?

#28. Competition for food, light and space is most severe between two

#29. Which of the following type of age pyramid reflects a stable population growth?




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