NEET 2019
Instructions
For the following questions answer them individually
Question 171
Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.
Question 172
In some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as:
Question 173
Which of the following can be used as a biocontrol agent in the treatment of plant disease ?
Question 174
Match Column - I with Column - II.
Choose the correct answer from the options given below:
Question 177
The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans,these cells are mainly present in:
Question 179
Which one of the following statements regarding post-fertilization development in flowering plants is incorrect ?
