71. The disease AIDS is caused by

1. 1. Bacteria

   
   
   

   2. Fungi

   
   
   

   3. Virus

   
   
   

   4. Protozoan

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

---

72. True nucleus is absent in

1. 1. Fungi

   
   
   

   2. Lichane

   
   
   

   3. Bacteria

   
   
   

   4. Algae

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

---

---

73. Which of the following is not a kharif crop?

1. 1. Cotton

   
   
   

   2. Groundnut

   
   
   

   3. Maize

   
   
   

   4. Mustard

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

---

74. Lichens are indicator of

1. 1. Air pollution

   
   
   

   2. Water Pollution

   
   
   

   3. Soil Pollution

   
   
   

   4. Radiation Pollution

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

---

---

75. Which of the following group of plant produce naked seed?

1. 1. Bryophytes

   
   
   

   2. Pteridophytes

   
   
   

   3. Angiosperm

   
   
   

   4. Gymnosperm

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

---