Let the number of ₹1, ₹2, and ₹5 coins be 3x, 2x, and x respectively. Total amount = 3x × 1 + 2x × 2 + x × 5 = 3x + 4x + 5x = 12x. 12x = 240; x = 20. Number of ₹2 coins = 2x = 2 × 20 = 40. Answer: b) 40
The total number of abdominal legs in the larval stage of the mustard sawfly is ____.
Chili leaf curl disease is spread by vector_________
‘Bagging’ or protective covering of fruit clusters is commonly used to protect against which type of pest?
This Chemical known as “Apple Factor” which is released by Malus sp. and acts as an attractant to Aphis pomi is:
Which of the following is not a natural predator of BPH?
Insects are classified into the phylum_______.
Drones are
Propodeum is found in the insect belonging to the sub-order:
Which of the following pair is not correct?
Elytra are the modified, hardened front wings of _____
