One of the ex situ conservation methods for endangered species is

(1)  wildlife sanctuaries

(2)  biosphere reserves

(3)  cryopreservation

(4)  national parks.

Subtopic:  Ex Situ Conservation of Biodiversity |
 85%
From NCERT
AIIMS - 2005
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Keystone species deserve protection because these

(1)  are capable of surviving in harsh envinmental conditions

(2)  indicate presence of certain mineral in the soil

(3)  have become rare due to over exploitation

(4)  play an important role in supporting other species.

Subtopic:  Importance of Biodiversity |
 77%
AIIMS - 2006
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

In India, we find mangoes with different flavours, colours, fibre content, sugar content and even shelf-life. The large variation is on account of  

(1)  species diversity    

(2)  induced mutations    

(3)  genetic diversity    

(4)  hybridisation.

Subtopic:  Introduction & Types |
 72%
From NCERT
AIIMS - 2006
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Biosphere reserves differ from National Parks and Wildlife sanctuaries because in the former
(1) human beings are not allowed to enter

(2) people are an integral part of the system

(3) plants are paid greater attention than the animals

(4) living organisms are brought from all over the world and preserved for posterity

Subtopic:  In Situ Conservation of Biodiversity |
AIIMS - 2006
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Beta diversity is diversity

(1) in a community

(2) between communities

(3) in a mountain gradient

(4) on a plain

 79%
AIIMS - 2007
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Which part of the world has a high density of organism?

(1) Deciduous forests

(2) Grasslands

(3) Tropical rain forests

(4) Savannahs

Subtopic:  Biodiversity Patterns |
 95%
From NCERT
AIIMS - 2007
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

What is a keystone species?

(1) A species which makes up only a small proportion of the total biomass of a community, yet has a huge impact on the community's organization and survival,

(2) A common species that has plenty of biomass, yet has a fairly low impact on the community's organization

(3) A rare species that has minimal impact on the biomass and on other species in the community.

(4) A dominant a large proportion of the biomass and which affects many other species.

Subtopic:  Importance of Biodiversity |
 76%
AIIMS - 2008
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Which of the following is best method of germplasm conservation ?

(1) Herbarium

(2) Botanical garden

(3) Seed bank

(4) Zoological park

Subtopic:  Ex Situ Conservation of Biodiversity |
 92%
From NCERT
AIIMS - 2011
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Which one has the largest species variety in India ?

(1) Wheat

(2) Maize

(3) Rice

(4) Potato

Subtopic:  Introduction & Types |
 92%
AIIMS - 2012
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Dust, oolong and brick are varieties of
(1) coffee

(2) pepper

(3) tea

(4) lavang.

AIIMS - 2012
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints