241. The "Red Data books" published by the International Union for Conservation of Nature and Natural Resources (IUCN) contain lists of
     1. Endemic plant and animal species present in the biodiversity hotspots.
     2. Threatened plant and animal species.
     3. Protected sited for conservation of nature and natural resource in various countries.
     Select the correct answer using the codes given below

1. 1. 1 and 3

   
   
   

   2. 2 only

   
   
   

   3. 2 and 3

   
   
   

   4. 3 only

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

---

242. Biodiversity hotspots in India are
     1. Eastern Ghat
     2. Eastern Himalayas
     3. Andaman and Nicobar islands
     4. Western Ghat
     Codes

1. 1. 1, 2

   
   
   

   2. 2, 3, 4

   
   
   

   3. 2, 3

   
   
   

   4. 2, 4

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

---

---

243. Along a food chain, the role of .............is to help return or recycle the primary chemical compounds of organisms back to the chain : carbon, hydrogen, nitrogen, and other minor compounds.

1. 1. Decomposers (bacteria, fungus)

   
   
   

   2. Consumers (lions, tigers)

   
   
   

   3. Prey (deer, water buffaloes)

   
   
   

   4. Producers (plants, trees)

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

---

244. A term biotype means

1. 1. All individuals having same Phenotype

   
   
   

   2. All individuals having same genotype

   
   
   

   3. All individual with different phenotype

   
   
   

   4. All individuals with different genotype

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

---

---

245. Mangroves are salt-tolerant forest ecosystems. Name the largest mangrove forests in the world that constitute 7% of the worlds mangroves, house a variety of wildlife sanctuaries, and are also a potential site to harness tidal energy.

1. 1. The Sunderbans in West Bengal

   
   
   

   2. Muisue Forests in Eucador

   
   
   

   3. The Mekong Delta in Vietnam

   
   
   

   4. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

---