Question
Identify the correctly matched
pair:Solution
(i) Amensalism – A relationship where one species is harmed while the other remains unaffected. Example: Penicillium fungus secretes penicillin, which kills bacteria, but the fungus itself is not affected. (ii) Parasitism – A relationship where one species (parasite) benefits while the other (host) is harmed. Example: Tapeworms in human intestines.\ (iii) Commensalism – A relationship where one species benefits while the other is unaffected. Example: Cattle egrets feeding on insects stirred up by grazing cattle. (iv) Mutualism – A relationship where both species benefit. Example: Pollination by bees, where bees get nectar and plants get pollinated.
What is the unit digit of the number 'C' obtained by subtracting the largest two-digit prime number from the least common multiple (LCM) of all single-d...
What is the fourth proportional to 4, 5, 16?
The product of two numbers is 4,320 and their highest common factor is 24. Find the least common multiple of these two numbers.
If Ashish has 3 types of pens in a ratio 4 : 6 : 5 such that their LCM is 360, then find the sum of the highest and lowest number of pens that he has?
The least multiple of 19, which on dividing by 5,6,7,8 and 9 leaves remainder 2 in each case is
Three numbers are in the ratio 4 : 9 : 13 and their LCM is 2340. Their HCF is:
If the product of two numbers is 108 and their HCF is 6, then find the LCM of the given two numbers.
If the product of two numbers is 350 and their HCF is 10, then find the LCM of the given two numbers.
Two numbers are in the ratio 3:5 and their HCF is 20. Their LCM is
The square of sum of two numbers is 25,600 and the sum of squares of the same two numbers is 13,000. If their H.C.F. is 10, then find their L.C.M.
Relevant for Exams:
