Chapter 15 – Biodiversity And Conservation

Class 12 Biology · 20 questions · 0 with answers

Questions

Q1Multiple choice

Which of the following countries has the highest biodiversity?

  • a.South America
  • b.South Africa
  • c.Russia
  • d.India
Q2Multiple choice

Which of the following is not a cause for loss of biodiversity?

  • a.Destruction of habitat
  • b.Invasion by alien species
  • c.Keeping animals in zoological parks
  • d.Over-exploitation of natural resources
Q3Multiple choice

Which of the following is not an invasive alien species in the Indian context?

  • a.Lantana
  • b.Cynodon
  • c.Parthenium
  • d.Eichhornia
Q4Multiple choice

Where among the following will you find pitcher plant?

  • a.Rain forest of North-East India
  • b.Sunderbans
  • c.Thar Desert
  • d.Western Ghats
Q5Multiple choice

Which one of the following is not a major characteristic feature of biodiversity hot spots?

  • a.Large number of species
  • b.Abundance of endemic species
  • c.Mostly located in the tropics
  • d.Mostly located in the polar regions BIODIVERSITY AND CONSERVATION 107
Q6Multiple choice

Match the animals given in column I with their location in column II: Column I Column II A. Dodo i. Africa B. Quagga ii. Russia C. Thylacine iii. Mauritius D. Stellar's sea cow iv. Australia Choose the correct match from the following:

  • a.A-i, B-iii, C-ii, D-iv
  • b.A-iv, B-iii, C-i, D-ii
  • c.A-iii, B-i, C-ii, D-iv
  • d.A-iii, B-i, C-iv, D-ii
Q7Multiple choice

What is common to the following plants: Nepenthes, Psilotum, Rauwolfia and Aconitum?

  • a.All are ornamental plants
  • b.All are phylogenic link species
  • c.All are prone to over exploitation
  • d.All are exclusively present in the Eastern Himalayas.
Q8Multiple choice

The one-horned rhinoceros is specific to which of the following sanctuary

  • a.Bhitar Kanika
  • b.Bandipur
  • c.Kaziranga
  • d.Corbett park
Q9Multiple choice

Amongst the animal groups given below, which one appears to be more vulnerable to extinction?

  • a.Insects
  • b.Mammals
  • c.Amphibians
  • d.Reptiles
Q10Multiple choice

Which one of the following is an endangered plant species of India?

  • a.Rauwolfia serpentina
  • b.Santalum album (Sandal wood)
  • c.Cycas beddonei
  • d.All of the
Q11Multiple choice

What is common to Lantana, Eichhornia and African catfish?

  • a.All are endangered species of India.
  • b.All are keystone species.
  • c.All are mammals found in India.
  • d.All the species are neither threatened nor indigenous species of India.
Q12Multiple choice

The extinction of passenger pigeon was due to:

  • a.Increased number of predatory birds.
  • b.Over exploitation by humans.
  • c.Non-availability of the food.
  • d.Bird flu virus infection.
Q13Multiple choice

Which of the following statements is correct?

  • a.Parthenium is an endemic species of our country.
  • b.African catfish is not a threat to indigenous catfishes.
  • c.Steller’s sea cow is an extinct animal.
  • d.Lantana is popularly known as carrot grass.
Q14Multiple choice

Among the ecosystem mentioned below, where can one find maximum biodiversity?

  • a.Mangroves
  • b.Desert
  • c.Coral reefs
  • d.Alpine meadows
Q15Multiple choice

Which of the following forests is known as the ‘lungs of the planet Earth’?

  • a.Taiga forest
  • b.Tundra forest
  • c.Amazon rain forest
  • d.Rain forests of North East India
Q16Multiple choice

The active chemical drug reserpine is obtained from:

  • a.Datura
  • b.Rauwolfia
  • c.Atropa
  • d.Papaver
Q17Multiple choice

Which of the following group exhibit more species diversity?

  • a.Gymnosperms
  • b.Algae
  • c.Bryophytes
  • d.Fungi
Q18Multiple choice

Which of the below mentioned regions exhibit less seasonal variations?

  • a.Tropics
  • b.Temperates
  • c.Alpines
  • d.Both (a) & (b) BIODIVERSITY AND CONSERVATION 109
Q19Multiple choice

The historic convention on Biological Diversity held in Rio de Janeiro in 1992 is known as:

  • a.CITES Convention
  • b.The Earth Summit
  • c.G-16 Summit
  • d.MAB Programme
Q20Multiple choice

What is common to the techniques (i) in vitro fertilisation, (ii) Cryo preservation and (iii) tissue culture?

  • a.All are in situ conservation methods.
  • b.All are ex situ conservation methods.
  • c.All require ultra modern equipment and large space.
  • d.All are methods of conservation of extinct organisms.