Question
What are ecological pyramids. Which point should be kept in mind while calculating it. Draw a diagram of energy pyramid of a grass ecosystem.
✓
Answer
self
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Study the pedigree chart given above, showing the inheritance pattern of blood groups in a family and answer the following questions:
- Give the possible genotypes of the individuals 1 and 2.
- Which antigen or antigens will be present on the plasma membranes of the RBCs of individuals 5 and 9?
- Give the genotypes of the individuals 3 and 4.
In the figure given below label the following parts: male gametes, egg cell, polar nuclei, synergid and pollen tube,
Which one of the two in-situ or ex-situ biodiversity conservation measures help the larger number of species to survive? Explain.
What is DNA polymorphism? Why is it important to study it?
Study the population growth curves in the graph given below and answer the questions which follow?
→- Identify the growth curves 'a' and 'b'.
- Which one of them is considered a more realistic one and why?
- If $\frac{\text{dN}}{\text{dt}}=\text{r N}\Big(\frac{\text{K}-\text{N}}{\text{K}}\Big)$ is the equation of the logistic growth curve, what does K stand for?
- What is symbolised by N?
Where does triple fusion take place in a flowering plant? Why is it so called? Mention its significance.
Expand IUD.
- Name the infective stage Plasmodium which Anopheles mosquito takes in along with the blood meal from an infected human.
- Why does the infection cause fever in human?
- Give a flow chart of the part of the life-cycle of this parasite passed in the insect.
A non biology person is quite shocked to know that apple is a false fruit, mango is a true fruit and banana is a seedless fruit. As a biology student how would you satisfy this person.
Given below is a list of autotrophs and heterotrophs. With your knowledge about food chain, establish various linkages between the organisms on the principle of ‘eating and being eaten’. What is this inter-linkage established known as?
Algae, hydrilla, grasshopper, rat, squirrel, crow, maize plant, deer, rabbit, lizard, wolf, snake, peacock, phytoplankton, crustaceans, whale, tiger, lion, sparrow, duck, crane, cockroach, spider, toad, fish, leopard, elephant, goat, Nymphaea, Spirogyra.
Algae, hydrilla, grasshopper, rat, squirrel, crow, maize plant, deer, rabbit, lizard, wolf, snake, peacock, phytoplankton, crustaceans, whale, tiger, lion, sparrow, duck, crane, cockroach, spider, toad, fish, leopard, elephant, goat, Nymphaea, Spirogyra.