46. The cellular and molecular control of programed cell death is known as

1. 1. Apotrosis

   
   
   

   2. Ageing

   
   
   

   3. Degeneration

   
   
   

   4. Necrosis

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

---

47. Main function of Golgi bodies is

1. 1. Respiration

   
   
   

   2. Cell division

   
   
   

   3. % produce digestive enzyme

   
   
   

   4. Secretory

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

---

---

48. Vacuole is covered by single membrance called

1. 1. Plasmalemma

   
   
   

   2. Cell membraelte

   
   
   

   3. Tonoplast

   
   
   

   4. Cell wall

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

---

49. Which one of the following is the principal structural elements of a living cell?

1. 1. Oxygen

   
   
   

   2. Hydrogen

   
   
   

   3. Carbon

   
   
   

   4. Nitrogen

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

---

---

50. Nuclear envelope is absent in

1. 1. Eucaryotic cell

   
   
   

   2. Bacteria

   
   
   

   3. Both eucaryotic and bacterial cell

   
   
   

   4. None of the above

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

---