Question
Integers 11, 12, 13, 14 are written on 4 cards they are
well shuffled. Two cards are taken at random without replacement. What is the probability that the sum is at least 25?Solution
Out of these 12 combinations, four are having the sums at least 25. Probability of picking two cards, whose sum is at least 25 will thus be 8/12 = 2/3
Which of the following statements is true about Entomology?
“Clipping” the tips of the rice seedling before transplanting reduces the infestation of __________
The silkworm larva ceases to eat and begins spinning silk all over its body from ____
Which of the following statements is true for Entomophagy?
Which of the following insects is the carrier of grassy stunt pathogenic virus?
What is the term used to describe the average density of a pest population around which it fluctuates due to biotic and abiotic factors in the absence o...
 Apis mellifera is also known as
Which of the following is correctly matched ?
This Chemical known as “Apple Factor” which is released by Malus sp. and acts as an attractant to Aphis pomi is:
This leg type is observed in insects like the praying mantis, featuring spiny femurs and tibiae that interlock to form a gripping mechanism