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NEET - Grade 12 - Biology - Biodiversity and Conservation - Introduction and Snapshot of Biodiversity and Conservation - Study ref# 980

Introduction: If an alien from a distant galaxy were to visit our planet Earth, the first thing that would amaze and baffle him would most probably be the enormous diversity of life that he would encounter. Even for humans, the rich va... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Introduction and Snapshot of Biodiversity and Conservation - Study ref# 981

Following sections must be covered to understand the Biodiversity and Conservation: 1. Biodiversity 2. Biodiversity Conservation... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Target Setup for Biodiversity and Conservation - Study ref# 982

Student requires to achieve the following milestones to get better grip over Biodiversity and Conservation. The milestones / targets are as follows:Starting Point: Days 0Test TypeAppear on TestTarget TestsScorePractice Test000%Chapter... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10436

Why is tropical environment able to support greater species diversity? Answer: Tropical environments, unlike temperate ones, are less seasonal, relativity more constant environments promote niche specialization and lead to a greater species ... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10437

The Amazon rain forest is referred to as ‘the lungs of the planet’. Mention any more human activity that causes loss of biodiversity in this region. [A][Outside Delhi Comptt,2010] Answer: ... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10438

Why are mango trees unable to grow in temperate climate? [U][Outside Delhi Set-I, Comptt.2016] Answer: Because temperature affects the basal metabolism physiological function of the p... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10439

An exotic variety of prickly pear introduced in Australia turned out to be invasive. How was it brought under control? [A][Delhi Set-I,II, Comptt.2013] Answer: It was contro... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10440

Name the unlabeled areas ‘a’ & ‘b’ of the pie chart representing biodiversity of vertebrates showing the proportionate number of species of major taxa. [R][Foreign Set,2014] &n... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10441

Mention the kind of biodiversity of more than a thousand varieties of mangoes in India represent. How is it possible? [A][Delhi set-I, 2016] Answer: Genetic dive... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10442

What is meant by ‘alien species’ invasion? Name one plant and one animal alien species that are a threat to our Indian native species. [ R][Outside Delhi Set-III,2013] Answer... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10443

Where would you expect more species diversity in tropics or in polar regions? Give reasons in support of your answer. [U][Outside Delhi Set-I, 2013] Answer: Tropics have ... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10444

Plants that inhabit a rain-forest are not found in a wetland. Explain. [U][Delhi Set-III,2016] Answer: Plants that inhabit rain forest are well adapted to tha... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10445

Justify with the help of an example where a deliberate attempt by humans has led to the extinction of a particular species. [A][ Delhi Set-I, 2011] Answer: T... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10446

The above graph shows Species-Area relationship. Write the equation of the curve ’a’ and explain. [A][Delhi set-I,2011] Answer: (i) &n... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10447

With the help of one example, explain how does alien species invasion cause biodiversity loss. [Outside Delhi set I,II, III, 2011] Answer: When alien species are introduced, so... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10448

List the features that make stable biological community. [U][Outside Delhi set I,II, III, 2010] Answer: The features of a stable community re as follows:

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10449

Explain, giving three reasons, why tropics show greatest levels of species diversity. [U][Outside Delhi set-II, 2014] Answer:

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10450

Why certain regions have been declared biodiversity ‘hot spots’ by environmentalists of the world? Name any two (hotspot) regions of India. [A] [Delhi Comptt201... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10451

Taking one example each of habitat loss & fragmentation, explain how are the two responsible for biodiversity loss. [A][Outside Delhi set I, 2012] Answer: Habitat lo... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10452

Why have western Ghats in India been declared as biological hotspots? [R][Outside Delhi set-III, Comptt.2015] Answer: Due to greater species diversity/presence of endemic species. ... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10453

Write the importance of cryopreservation in conservation of biodiversity. Answer: Gametes of threatened species/ seeds of commercially important strains can be preserved, in viable and fertile condition / for long periods. ... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10454

Why are scared groves highly protected? Answer: Sacred proves are highly protected because of religious and cultural traditions, refugees for large number of rate and threatened plants, ecologically unique and biodiversity rich regions. ... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10455

Differentiate between in-situ and ex-situ approaches of conservation of biodiversity. [U][Delhi Set-II,2011] Answer: read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10456

Why should biodiversity be conserved? Explain giving three reasons. [U][Outside Delhi set-II, Comptt.2016] Answer: Narrowly utilitarian: Humans derive direct economic benefits from natu... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10457

Many plant and animal species are on the verge of their extinction because of loss of forest land by indiscriminate use by the humans. As biology student what method would you suggest along with its advantages that can protect such threatene... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10458

The scared groves of Aravalli Hills and Ooty botanical garden both aim at biodiversity conservation. How do they differ in their approached? Explain. Answer: Sacred groves are the areas of Aravalli Hills where forest patches around places of... read more

NEET - Grade 12 - Biology - Biodiversity and Conservation - Study ref# 10459

Explain the ‘Ex-situ conservation’ of Biodiversity. How is the in-situ conservation different from it? Answer: Ex-situ – Threatened animals and plants are taken out from their natural habitat and placed in special settings where th... read more