Question
What type of organism serves as the primary consumer in
a lake ecosystem?Solution
In a lake ecosystem, phytoplankton act as primary producers, creating energy through photosynthesis. Zooplankton feed directly on these phytoplanktons, positioning them as primary consumers. While some fishes might consume phytoplankton, zooplankton are more universally recognized as the direct consumers in this aquatic food chain.
Find the smallest 4-digit number exactly divisible by 9.
How many whole numbers from 1 to 500 (both included) are divisible by 3 or 5?
The arithmetic mean of two values ‘a’ and ‘b’ is 16, and their geometric mean is 10√2. Find the positive difference between the numbers, given...
- Determine the remainder when
- A number gives a remainder of 19 when divided by 50. Find the remainder when the same number is divided by 25.
When N is divided by 5 the remainder is 2. What is the remainder, when n³ is divided by 5?
There are five numbers A, B, C, D and E. The ratio between the numbers of B and D is (y+1) : 3 respectively. The number C is 12.5% more than the number ...
- Three positive numbers are in the ratio 2:3:4. If the sum of their squares is 2349, what is the average of the two largest numbers?
Two numbers are in the ratio 7:9. If the larger number is increased by 25 and the smaller number is decreased by 10, then the larger number becomes twic...
Find the least 4-digit number which, when divided by 9, 12, and 15, leaves a remainder of 4 in each case.
Relevant for Exams:
