176. Consider the following statements
     1. Tape worm is harmaphrodite
     2. Round worm has separate sexes
     3. Filaria is caused by a mematode
     4. Guinea worm is an annelid
     Which of these are correct?

1. 1. 1 and 2

   
   
   

   2. 1, 2 and 3

   
   
   

   3. 3 and 4

   
   
   

   4. 2, 3 and 4

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

---

177. Whale is grouped under mammal because

1. 1. They have lung, four chambered heart and vertebral column

   
   
   

   2. They have mammary gland, placenta and hair

   
   
   

   3. They have gill and placenta

   
   
   

   4. They have four chambered heart and lung

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

---

---

178. Why fishes die more during summer than winter seasones?

1. 1. Due to lack of food

   
   
   

   2. Due to increased concentration of non-toxic substance

   
   
   

   3. Due to reduction of O₂

   
   
   

   4. Due to spread out of disease

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

---

179. Archaeopteryx is

1. 1. Ancient bird of Jurrasic period

   
   
   

   2. Reptile of Jurrasic period

   
   
   

   3. Reptile of Triasic period

   
   
   

   4. Reptile Jurrasic and triasic period both

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

---

---

180. Which one of the following carries out the function in human being similar to the one which Malpighian tubules perform in cockroach and other insects?

1. 1. Lung

   
   
   

   2. Kidneys

   
   
   

   3. Heart

   
   
   

   4. Reproductive organs

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

---