Download App

Biodiversity and Conservation — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYBiodiversity and Conservation3 Marks
Question
What criteria should one use in categorizing a species as threatened?
✓

Answer

  1. Extinction risk: Number of the individuals of th species are declining at an alarming pace.
  2. Predation pressure.
  3. Habitat loss and fragmentation.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "3 Marks Question" from Biodiversity and Conservation→Biodiversity and Conservation — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Can you think and answer how a reporter enzyme can be used to monitor transformation of host cells by foreign DNA in addition to a selectable marker?
→
Fertilisation is essential for production of seed, but in some angiosperms, seeds develop without fertilisation.
Explain the two ways by which seeds develop without fertilisation.
→
Name the type and give the effect of the following drug in human.
LSD
→
Answer the following questions:
How do human males with ‘XXY’ abnormality suffer?
→
Who propounded the Central Dogma principle and what is meant by it?
→
How do ‘pills’ act as contraceptives in human female?
→
When someone buys packets of cigarettes, cannot miss the statutory warning that is present on the packing which warns against smoking and says how it is injurious to health. Yet, smoking is very prevalent in our society, both among young and old. Advise the adolescents about the importance of avoiding smoking. (Mention any six points.)
→
Baculoviruses are good examples of biocontrol agents. Justify giving three reasons.
→
Name the muscular layer of human uterus.
→
What is an incomplete ecosystem? Explain with the help of suitable example.
→